syzbot has found a reproducer for the following issue on:
HEAD commit: 4938296e03bd Linux 4.19.198
git tree: linux-4.19.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=17407f74300000
kernel config:
https://syzkaller.appspot.com/x/.config?x=9013c716691ad1fe
dashboard link:
https://syzkaller.appspot.com/bug?extid=607ad2b77fe8f8137629
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
syz repro:
https://syzkaller.appspot.com/x/repro.syz?x=17688eca300000
C reproducer:
https://syzkaller.appspot.com/x/repro.c?x=13ee3312300000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
======================================================
WARNING: possible circular locking dependency detected
4.19.198-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor094/8160 is trying to acquire lock:
0000000002495b4e ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: flush_workqueue+0xe8/0x13e0 kernel/workqueue.c:2658
but task is already holding lock:
000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: inode_lock include/linux/fs.h:748 [inline]
000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: generic_file_write_iter+0x99/0x730 mm/filemap.c:3320
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&sb->s_type->i_mutex_key#17){+.+.}:
(wq_completion)"dio/%s"sb->s_id --> (work_completion)(&dio->complete_work) --> &sb->s_type->i_mutex_key#17
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sb->s_type->i_mutex_key#17);
lock((work_completion)(&dio->complete_work));
lock(&sb->s_type->i_mutex_key#17);
lock((wq_completion)"dio/%s"sb->s_id);
*** DEADLOCK ***
1 lock held by syz-executor094/8160:
#0: 000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: inode_lock include/linux/fs.h:748 [inline]
#0: 000000000884639b (&sb->s_type->i_mutex_key#17){+.+.}, at: generic_file_write_iter+0x99/0x730 mm/filemap.c:3320
stack backtrace:
CPU: 1 PID: 8160 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8167 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8174 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8183 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8193 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8200 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8208 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8218 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8227 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8234 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8241 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8249 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8257 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8264 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8273 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8283 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8290 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8298 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049
__generic_file_write_iter+0x2d0/0x610 mm/filemap.c:3252
generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
call_write_iter include/linux/fs.h:1821 [inline]
aio_write+0x37f/0x5c0 fs/aio.c:1574
__io_submit_one fs/aio.c:1858 [inline]
io_submit_one+0xecd/0x20c0 fs/aio.c:1909
__do_sys_io_submit fs/aio.c:1953 [inline]
__se_sys_io_submit+0x11b/0x4a0 fs/aio.c:1924
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44ab79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c2fe6e2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00000000004cb4e0 RCX: 000000000044ab79
RDX: 0000000020000540 RSI: 0000000000000002 RDI: 00007f4c2fe45000
RBP: 000000000049b0b8 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004cb4ec
R13: 00007f4c2fe6e2f0 R14: 00000000004cb4e8 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 8305 Comm: syz-executor094 Not tainted 4.19.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0xa/0xf lib/fault-inject.c:149
__should_failslab+0x115/0x180 mm/failslab.c:32
should_failslab+0x5/0x10 mm/slab_common.c:1588
slab_pre_alloc_hook mm/slab.h:424 [inline]
slab_alloc mm/slab.c:3383 [inline]
kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557
mempool_alloc+0x146/0x350 mm/mempool.c:385
bio_alloc_bioset+0x389/0x5e0 block/bio.c:489
bio_alloc include/linux/bio.h:437 [inline]
mpage_alloc+0x2f/0x260 fs/mpage.c:79
__mpage_writepage+0x102a/0x1570 fs/mpage.c:636
write_cache_pages+0x802/0x12d0 mm/page-writeback.c:2240
mpage_writepages+0xd1/0x230 fs/mpage.c:730
do_writepages+0xe5/0x290 mm/page-writeback.c:2344
__filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
filemap_write_and_wait_range mm/filemap.c:679 [inline]
filemap_write_and_wait_range+0x46/0xd0 mm/filemap.c:673
generic_file_direct_write+0x389/0x4a0 mm/filemap.c:3049