[moderation] [reiserfs?] general protection fault in update_blocked_averages
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syzbot
Jan 4, 2024, 2:19:20 AMJan 4
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 453f5db0619e Merge tag 'trace-v6.7-rc7' of git://git.kerne..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12625629e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=da1c95d4e55dda83
dashboard link: https://syzkaller.appspot.com/bug?extid=38eeab329de66ea9242a
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
CC: [linux-...@vger.kernel.org linux-...@vger.kernel.org reiserf...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8ec5e7b84249/disk-453f5db0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c63010ce8b4d/vmlinux-453f5db0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7357393aee4d/bzImage-453f5db0.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+38eeab...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xdffffc00000001af: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000d78-0x0000000000000d7f]
CPU: 0 PID: 22659 Comm: syz-executor.5 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__rq_lockp kernel/sched/sched.h:1222 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1340 [inline]
RIP: 0010:rq_clock_pelt kernel/sched/pelt.h:66 [inline]
RIP: 0010:cfs_rq_clock_pelt kernel/sched/pelt.h:174 [inline]
RIP: 0010:__update_blocked_fair kernel/sched/fair.c:9257 [inline]
RIP: 0010:update_blocked_averages+0x647/0x1e70 kernel/sched/fair.c:9363
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 11 00 00 8b 05 43 a1 bb 0d 85 c0 74 48 48 8d bb 78 0d 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e e8 11 00 00 44 8b ab 78 0d
RSP: 0018:ffffc90000007e38 EFLAGS: 00010006
RAX: 00000000000001af RBX: 0000000000000000 RCX: 1ffff11003b95c99
RDX: 0000000000000000 RSI: ffff88807b185188 RDI: 0000000000000d78
RBP: ffffc90000007ef8 R08: 00000000000001ca R09: 00000000000001ca
R10: ffffffff8f187397 R11: 0000000000000000 R12: ffff88807b1851e4
R13: ffff888019b8f998 R14: ffff88807b185000 R15: dffffc0000000000
FS: 00007fb8ba3426c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b23000 CR3: 000000002304b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
run_rebalance_domains+0x123/0x1a0 kernel/sched/fair.c:12381
__do_softirq+0x21a/0x8de kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_flush_all+0xa0e/0xd60 kernel/printk/printk.c:2973
Code: e8 27 78 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 55 be 1c 00 48 85 db 0f 85 7c 01 00 00 e8 b7 c2 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41
RSP: 0018:ffffc90014967808 EFLAGS: 00000293
RAX: fffff5200292cf28 RBX: 0000000000000000 RCX: ffffffff8169a23b
RDX: ffff888077776200 RSI: ffffffff8169a249 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000
R13: ffffffff8db8a6f8 R14: ffffffff8db8a6a0 R15: ffffc90014967940
console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2328
reiserfs_fill_super+0xf03/0x3160 fs/reiserfs/super.c:2019
mount_bdev+0x1f3/0x2e0 fs/super.c:1650
legacy_get_tree+0x109/0x220 fs/fs_context.c:662
vfs_get_tree+0x8c/0x370 fs/super.c:1771
do_new_mount fs/namespace.c:3337 [inline]
path_mount+0x1492/0x1ed0 fs/namespace.c:3664
do_mount fs/namespace.c:3677 [inline]
__do_sys_mount fs/namespace.c:3886 [inline]
__se_sys_mount fs/namespace.c:3863 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3863
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fb8b967e3ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8ba341ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb8ba341f80 RCX: 00007fb8b967e3ea
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 00007fb8ba341f40
RBP: 0000000020000080 R08: 00007fb8ba341f80 R09: 000000000000800c
R10: 000000000000800c R11: 0000000000000202 R12: 0000000020000040
R13: 00007fb8ba341f40 R14: 0000000000001113 R15: 0000000020000180
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rq_lockp kernel/sched/sched.h:1222 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1340 [inline]
RIP: 0010:rq_clock_pelt kernel/sched/pelt.h:66 [inline]
RIP: 0010:cfs_rq_clock_pelt kernel/sched/pelt.h:174 [inline]
RIP: 0010:__update_blocked_fair kernel/sched/fair.c:9257 [inline]
RIP: 0010:update_blocked_averages+0x647/0x1e70 kernel/sched/fair.c:9363
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 11 00 00 8b 05 43 a1 bb 0d 85 c0 74 48 48 8d bb 78 0d 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e e8 11 00 00 44 8b ab 78 0d
RSP: 0018:ffffc90000007e38 EFLAGS: 00010006
RAX: 00000000000001af RBX: 0000000000000000 RCX: 1ffff11003b95c99
RDX: 0000000000000000 RSI: ffff88807b185188 RDI: 0000000000000d78
RBP: ffffc90000007ef8 R08: 00000000000001ca R09: 00000000000001ca
R10: ffffffff8f187397 R11: 0000000000000000 R12: ffff88807b1851e4
R13: ffff888019b8f998 R14: ffff88807b185000 R15: dffffc0000000000
FS: 00007fb8ba3426c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b23000 CR3: 000000002304b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 83 e0 07 and $0x7,%eax
3: 83 c0 03 add $0x3,%eax
6: 38 d0 cmp %dl,%al
8: 7c 08 jl 0x12
a: 84 d2 test %dl,%dl
c: 0f 85 3a 11 00 00 jne 0x114c
12: 8b 05 43 a1 bb 0d mov 0xdbba143(%rip),%eax # 0xdbba15b
18: 85 c0 test %eax,%eax
1a: 74 48 je 0x64
1c: 48 8d bb 78 0d 00 00 lea 0xd78(%rbx),%rdi
23: 48 89 f8 mov %rdi,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 74 08 je 0x3b
33: 3c 03 cmp $0x3,%al
35: 0f 8e e8 11 00 00 jle 0x1223
3b: 44 rex.R
3c: 8b .byte 0x8b
3d: ab stos %eax,%es:(%rdi)
3e: 78 0d js 0x4d
---
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
syzbot found the following issue on:
HEAD commit: 453f5db0619e Merge tag 'trace-v6.7-rc7' of git://git.kerne..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12625629e80000
kernel config: https://syzkaller.appspot.com/x/.config?x=da1c95d4e55dda83
dashboard link: https://syzkaller.appspot.com/bug?extid=38eeab329de66ea9242a
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
CC: [linux-...@vger.kernel.org linux-...@vger.kernel.org reiserf...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8ec5e7b84249/disk-453f5db0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c63010ce8b4d/vmlinux-453f5db0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7357393aee4d/bzImage-453f5db0.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+38eeab...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xdffffc00000001af: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000d78-0x0000000000000d7f]
CPU: 0 PID: 22659 Comm: syz-executor.5 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__rq_lockp kernel/sched/sched.h:1222 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1340 [inline]
RIP: 0010:rq_clock_pelt kernel/sched/pelt.h:66 [inline]
RIP: 0010:cfs_rq_clock_pelt kernel/sched/pelt.h:174 [inline]
RIP: 0010:__update_blocked_fair kernel/sched/fair.c:9257 [inline]
RIP: 0010:update_blocked_averages+0x647/0x1e70 kernel/sched/fair.c:9363
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 11 00 00 8b 05 43 a1 bb 0d 85 c0 74 48 48 8d bb 78 0d 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e e8 11 00 00 44 8b ab 78 0d
RSP: 0018:ffffc90000007e38 EFLAGS: 00010006
RAX: 00000000000001af RBX: 0000000000000000 RCX: 1ffff11003b95c99
RDX: 0000000000000000 RSI: ffff88807b185188 RDI: 0000000000000d78
RBP: ffffc90000007ef8 R08: 00000000000001ca R09: 00000000000001ca
R10: ffffffff8f187397 R11: 0000000000000000 R12: ffff88807b1851e4
R13: ffff888019b8f998 R14: ffff88807b185000 R15: dffffc0000000000
FS: 00007fb8ba3426c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b23000 CR3: 000000002304b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
run_rebalance_domains+0x123/0x1a0 kernel/sched/fair.c:12381
__do_softirq+0x21a/0x8de kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:console_flush_all+0xa0e/0xd60 kernel/printk/printk.c:2973
Code: e8 27 78 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 55 be 1c 00 48 85 db 0f 85 7c 01 00 00 e8 b7 c2 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41
RSP: 0018:ffffc90014967808 EFLAGS: 00000293
RAX: fffff5200292cf28 RBX: 0000000000000000 RCX: ffffffff8169a23b
RDX: ffff888077776200 RSI: ffffffff8169a249 RDI: 0000000000000007
RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000
R13: ffffffff8db8a6f8 R14: ffffffff8db8a6a0 R15: ffffc90014967940
console_unlock+0x10c/0x260 kernel/printk/printk.c:3036
vprintk_emit+0x17f/0x5f0 kernel/printk/printk.c:2303
vprintk+0x7b/0x90 kernel/printk/printk_safe.c:45
_printk+0xc8/0x100 kernel/printk/printk.c:2328
reiserfs_fill_super+0xf03/0x3160 fs/reiserfs/super.c:2019
mount_bdev+0x1f3/0x2e0 fs/super.c:1650
legacy_get_tree+0x109/0x220 fs/fs_context.c:662
vfs_get_tree+0x8c/0x370 fs/super.c:1771
do_new_mount fs/namespace.c:3337 [inline]
path_mount+0x1492/0x1ed0 fs/namespace.c:3664
do_mount fs/namespace.c:3677 [inline]
__do_sys_mount fs/namespace.c:3886 [inline]
__se_sys_mount fs/namespace.c:3863 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:3863
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fb8b967e3ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb8ba341ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb8ba341f80 RCX: 00007fb8b967e3ea
RDX: 0000000020000080 RSI: 0000000020000040 RDI: 00007fb8ba341f40
RBP: 0000000020000080 R08: 00007fb8ba341f80 R09: 000000000000800c
R10: 000000000000800c R11: 0000000000000202 R12: 0000000020000040
R13: 00007fb8ba341f40 R14: 0000000000001113 R15: 0000000020000180
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__rq_lockp kernel/sched/sched.h:1222 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1340 [inline]
RIP: 0010:rq_clock_pelt kernel/sched/pelt.h:66 [inline]
RIP: 0010:cfs_rq_clock_pelt kernel/sched/pelt.h:174 [inline]
RIP: 0010:__update_blocked_fair kernel/sched/fair.c:9257 [inline]
RIP: 0010:update_blocked_averages+0x647/0x1e70 kernel/sched/fair.c:9363
Code: 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 11 00 00 8b 05 43 a1 bb 0d 85 c0 74 48 48 8d bb 78 0d 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e e8 11 00 00 44 8b ab 78 0d
RSP: 0018:ffffc90000007e38 EFLAGS: 00010006
RAX: 00000000000001af RBX: 0000000000000000 RCX: 1ffff11003b95c99
RDX: 0000000000000000 RSI: ffff88807b185188 RDI: 0000000000000d78
RBP: ffffc90000007ef8 R08: 00000000000001ca R09: 00000000000001ca
R10: ffffffff8f187397 R11: 0000000000000000 R12: ffff88807b1851e4
R13: ffff888019b8f998 R14: ffff88807b185000 R15: dffffc0000000000
FS: 00007fb8ba3426c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b23000 CR3: 000000002304b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 83 e0 07 and $0x7,%eax
3: 83 c0 03 add $0x3,%eax
6: 38 d0 cmp %dl,%al
8: 7c 08 jl 0x12
a: 84 d2 test %dl,%dl
c: 0f 85 3a 11 00 00 jne 0x114c
12: 8b 05 43 a1 bb 0d mov 0xdbba143(%rip),%eax # 0xdbba15b
18: 85 c0 test %eax,%eax
1a: 74 48 je 0x64
1c: 48 8d bb 78 0d 00 00 lea 0xd78(%rbx),%rdi
23: 48 89 f8 mov %rdi,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 74 08 je 0x3b
33: 3c 03 cmp $0x3,%al
35: 0f 8e e8 11 00 00 jle 0x1223
3b: 44 rex.R
3c: 8b .byte 0x8b
3d: ab stos %eax,%es:(%rdi)
3e: 78 0d js 0x4d
---
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
syzbot
Mar 30, 2024, 3:16:12 AMMar 30
to syzkaller-upst...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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