------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 5377 at fs/buffer.c:1241 __brelse fs/buffer.c:1241 [inline]
WARNING: CPU: 0 PID: 5377 at fs/buffer.c:1241 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 0 PID: 5377 at fs/buffer.c:1241 __invalidate_bh_lrus fs/buffer.c:1510 [inline]
WARNING: CPU: 0 PID: 5377 at fs/buffer.c:1241 invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1523
Modules linked in:
CPU: 0 PID: 5377 Comm: syz-execprog Not tainted 6.10.0-rc6-syzkaller-00215-g22f902dfc51e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__brelse fs/buffer.c:1241 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:325 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1510 [inline]
RIP: 0010:invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1523
Code: 64 5b dd ff f0 ff 0b eb 25 e8 0a ed 7a ff 41 80 3c 2e 00 75 2a eb 30 e8 fc ec 7a ff 90 48 c7 c7 40 f5 d8 8b e8 df 1a 3d ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
RSP: 0018:ffffc90000007f30 EFLAGS: 00010046
RAX: 86dc0efbf9071b00 RBX: ffff88807b6da400 RCX: ffff88806dd90000
RDX: 0000000080010002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81585742 R09: 1ffff1101728519a
R10: dffffc0000000000 R11: ffffed101728519b R12: ffff8880b9439500
R13: 0000000000000020 R14: 1ffff110172872a4 R15: ffff8880b9439520
FS: 000000c000058090(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc16793d78 CR3: 000000002272a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
csd_do_func kernel/smp.c:133 [inline]
__flush_smp_call_function_queue+0x3fc/0x1690 kernel/smp.c:511
__sysvec_call_function_single+0xb8/0x430 arch/x86/kernel/smp.c:271
instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
sysvec_call_function_single+0x9e/0xc0 arch/x86/kernel/smp.c:266
asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 99 c9 0b 00 48 83 c4 08 4c 89 f7 e8 cd 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 50 72 21 0a e8 bb ed 36 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90004687988 EFLAGS: 00000282
RAX: 86dc0efbf9071b00 RBX: ffff88806dd90000 RCX: ffffffff94769603
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: ffffffff8c1f1600
RBP: ffffc900046879d0 R08: ffffffff8fac1d2f R09: 1ffffffff1f583a5
R10: dffffc0000000000 R11: fffffbfff1f583a6 R12: 1ffff11017287e97
R13: dffffc0000000000 R14: ffff8880b943e740 R15: ffff8880b943f4b8
context_switch kernel/sched/core.c:5411 [inline]
__schedule+0x179e/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2030
hrtimer_nanosleep+0x227/0x470 kernel/time/hrtimer.c:2083
__do_sys_nanosleep kernel/time/hrtimer.c:2118 [inline]
__se_sys_nanosleep kernel/time/hrtimer.c:2104 [inline]
__x64_sys_nanosleep+0x26e/0x2d0 kernel/time/hrtimer.c:2104
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x46eb97
Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 83 c4 10 5d c3 cc cc cc b8 ba 00 00 00 0f 05 89 44 24 08 c3 cc
RSP: 002b:000000c000069f18 EFLAGS: 00000202 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 000000000046eb97
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c000069f18
RBP: 000000c000069f28 R08: 000000002651bcfe R09: 7fffffffffffffff
R10: 00007efd3d8b70b8 R11: 0000000000000202 R12: 000000c000069f18
R13: 000000c000058000 R14: 000000c0000064e0 R15: 0000000000000003
----------------
Code disassembly (best guess):
0: c9 leave
1: 50 push %rax
2: e8 99 c9 0b 00 call 0xbc9a0
7: 48 83 c4 08 add $0x8,%rsp
b: 4c 89 f7 mov %r14,%rdi
e: e8 cd 38 00 00 call 0x38e0
13: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
18: 4c 89 f7 mov %r14,%rdi
1b: e8 50 72 21 0a call 0xa217270
20: e8 bb ed 36 00 call 0x36ede0
25: fb sti
26: 48 8b 5d c0 mov -0x40(%rbp),%rbx
* 2a: 48 8d bb f8 15 00 00 lea 0x15f8(%rbx),%rdi <-- trapping instruction
31: 48 89 f8 mov %rdi,%rax
34: 48 c1 e8 03 shr $0x3,%rax
38: 49 rex.WB
39: be 00 00 00 00 mov $0x0,%esi
3e: 00 fc add %bh,%ah