Hello,
syzbot found the following issue on:
HEAD commit: 75cefdf153f5 Linux 6.1.127
git tree: linux-6.1.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=15fc85f8580000
kernel config:
https://syzkaller.appspot.com/x/.config?x=1ea4b21f3251d6d
dashboard link:
https://syzkaller.appspot.com/bug?extid=c1a0107529554d81d3a6
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image:
https://storage.googleapis.com/syzbot-assets/0190b36bba7f/disk-75cefdf1.raw.xz
vmlinux:
https://storage.googleapis.com/syzbot-assets/8bafaed53174/vmlinux-75cefdf1.xz
kernel image:
https://storage.googleapis.com/syzbot-assets/77cbf9e7b5f3/Image-75cefdf1.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+c1a010...@syzkaller.appspotmail.com
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4301 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x56c/0x664 net/ipv4/af_inet.c:154
Modules linked in:
CPU: 1 PID: 4301 Comm: syz-executor Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : inet_sock_destruct+0x56c/0x664 net/ipv4/af_inet.c:154
lr : inet_sock_destruct+0x56c/0x664 net/ipv4/af_inet.c:154
sp : ffff800008017c70
x29: ffff800008017c70 x28: ffff0000c3535e30 x27: 0000000000000006
x26: 1fffe000186a6b54 x25: dfff800000000000 x24: 1fffe000186a6b2a
x23: 1fffe000186a6b2d x22: 0000000000000007 x21: 0000000000000000
x20: 0000000000000fec x19: ffff0000c3535940 x18: 1fffe00019cdaaef
x17: ffff80019e31d000 x16: ffff8000084f309c x15: 0000000000000000
x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800010e8e724
x8 : ffff0000ce6d5340 x7 : ffff8000083b1150 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800010e8e574
x2 : 0000000000000000 x1 : 0000000000000fec x0 : 0000000000000000
Call trace:
inet_sock_destruct+0x56c/0x664 net/ipv4/af_inet.c:154
inet6_sock_destruct+0x28/0x38 net/ipv6/af_inet6.c:115
__sk_destruct+0x5c/0x75c net/core/sock.c:2142
rcu_do_batch kernel/rcu/tree.c:2297 [inline]
rcu_core+0x880/0x1c48 kernel/rcu/tree.c:2557
rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2574
handle_softirqs+0x318/0xd58 kernel/softirq.c:571
__do_softirq+0x14/0x20 kernel/softirq.c:605
____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893
do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:654
irq_exit_rcu+0x14/0x84 kernel/softirq.c:666
__el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486
el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
bytes_is_nonzero mm/kasan/generic.c:84 [inline]
memory_is_nonzero mm/kasan/generic.c:102 [inline]
memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
memory_is_poisoned mm/kasan/generic.c:159 [inline]
check_region_inline mm/kasan/generic.c:180 [inline]
kasan_check_range+0x78/0x2a4 mm/kasan/generic.c:189
memmove+0x60/0x90 mm/kasan/shadow.c:55
copy_pages fs/btrfs/extent_io.c:5612 [inline]
memmove_extent_buffer+0x2b8/0x468 fs/btrfs/extent_io.c:5680
setup_items_for_insert+0x560/0xa80 fs/btrfs/ctree.c:4111
btrfs_insert_empty_items+0x100/0x178 fs/btrfs/ctree.c:4187
btrfs_insert_empty_item fs/btrfs/ctree.h:3137 [inline]
remove_free_space_extent fs/btrfs/free-space-tree.c:783 [inline]
__remove_from_free_space_tree fs/btrfs/free-space-tree.c:822 [inline]
remove_from_free_space_tree+0x98c/0xdf8 fs/btrfs/free-space-tree.c:851
alloc_reserved_extent+0x5c/0x438 fs/btrfs/extent-tree.c:4677
alloc_reserved_tree_block fs/btrfs/extent-tree.c:4828 [inline]
run_delayed_tree_ref fs/btrfs/extent-tree.c:1676 [inline]
run_one_delayed_ref fs/btrfs/extent-tree.c:1705 [inline]
btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1954 [inline]
__btrfs_run_delayed_refs+0x1310/0x3a90 fs/btrfs/extent-tree.c:2017
btrfs_run_delayed_refs+0x2c0/0x4c0 fs/btrfs/extent-tree.c:2148
commit_cowonly_roots+0x574/0x740 fs/btrfs/transaction.c:1325
btrfs_commit_transaction+0x1228/0x2cd4 fs/btrfs/transaction.c:2425
btrfs_commit_super+0xb4/0xd0 fs/btrfs/disk-io.c:4542
close_ctree+0x3c4/0xb10 fs/btrfs/disk-io.c:4716
btrfs_put_super+0x70/0x80 fs/btrfs/super.c:397
generic_shutdown_super+0x130/0x328 fs/super.c:501
kill_anon_super+0x4c/0x74 fs/super.c:1128
btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2449
deactivate_locked_super+0xac/0x124 fs/super.c:332
deactivate_super+0xf0/0x110 fs/super.c:363
cleanup_mnt+0x394/0x41c fs/namespace.c:1186
__cleanup_mnt+0x20/0x30 fs/namespace.c:1193
task_work_run+0x240/0x2f0 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
do_notify_resume+0x2080/0x2cb8 arch/arm64/kernel/signal.c:1132
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1029369
hardirqs last enabled at (1029368): [<ffff8000124118e4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (1029368): [<ffff8000124118e4>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (1029369): [<ffff80001232b704>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (1028362): [<ffff8000081c2418>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last enabled at (1028362): [<ffff8000081c2418>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (1029219): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---
---
This report is generated by a bot. It may contain errors.
See
https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at
syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup