divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11476 Comm: syz-executor.4 Not tainted 5.13.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:do_journal_end+0x15d6/0x4950 fs/reiserfs/journal.c:4073
Code: c6 41 84 f0 0f 85 40 2c 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 29 2c 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90003ddfb18 EFLAGS: 00010246
RAX: 0000000000000009 RBX: ffff88816ed20000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807a09d018
RBP: ffff88807a09d000 R08: 0000000000000001 R09: ffff88816ed20ffb
R10: ffffed102dda41ff R11: 0000000000000000 R12: 0000000000001000
R13: 0000000000000000 R14: ffffc90003ddfd38 R15: ffffc90014131000
FS:  0000000001ad2400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000022f9708 CR3: 0000000017863000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 do_journal_release fs/reiserfs/journal.c:1914 [inline]
 journal_release+0x14d/0x4e0 fs/reiserfs/journal.c:1968
 reiserfs_put_super+0xe0/0x5c0 fs/reiserfs/super.c:616
 generic_shutdown_super+0x14c/0x370 fs/super.c:465
 kill_block_super+0x97/0xf0 fs/super.c:1395
 deactivate_locked_super+0x94/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x3a2/0x540 fs/namespace.c:1136
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x272/0x280 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x467a57
Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd45c3b3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000467a57
RDX: 00007ffd45c3b4ac RSI: 0000000000000002 RDI: 00007ffd45c3b4a0
RBP: 00007ffd45c3b4a0 R08: 00000000ffffffff R09: 00007ffd45c3b270
R10: 0000000001ad38e3 R11: 0000000000000246 R12: 00000000004bee98
R13: 00007ffd45c3c570 R14: 0000000001ad3810 R15: 00007ffd45c3c5b0
Modules linked in:
---[ end trace 564faf2099eb320e ]---
RIP: 0010:do_journal_end+0x15d6/0x4950 fs/reiserfs/journal.c:4073
Code: c6 41 84 f0 0f 85 40 2c 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 29 2c 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
RSP: 0018:ffffc90003ddfb18 EFLAGS: 00010246
RAX: 0000000000000009 RBX: ffff88816ed20000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807a09d018
RBP: ffff88807a09d000 R08: 0000000000000001 R09: ffff88816ed20ffb
R10: ffffed102dda41ff R11: 0000000000000000 R12: 0000000000001000
R13: 0000000000000000 R14: ffffc90003ddfd38 R15: ffffc90014131000
FS:  0000000001ad2400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4721046fe8 CR3: 0000000017863000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600