REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
audit: type=1800 audit(1673511745.986:2): pid=7962 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor284" name="bus" dev="loop0" ino=4 res=0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7962 Comm: syz-executor284 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
task: ffff8880b32ae0c0 task.stack: ffff8880963d0000
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:328 [inline]
RIP: 0010:set_buffer_uptodate include/linux/buffer_head.h:144 [inline]
RIP: 0010:do_journal_end+0x111f/0x4310 fs/reiserfs/journal.c:4090
RSP: 0018:ffff8880963d7ab8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc90001ae0000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea000263bc40
RBP: ffff8880b2e36000 R08: ffffea000263bc40 R09: 0000000000000003
R10: 0000000000000000 R11: ffff8880b32ae0c0 R12: 0000000000000000
R13: ffffc90001ae0058 R14: ffffc90001ae0048 R15: ffff8880963d7bf0
FS: 0000555556b10300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0325f04bb8 CR3: 000000009adfe000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
reiserfs_sync_fs+0xbb/0xd0 fs/reiserfs/super.c:78
__sync_filesystem fs/sync.c:39 [inline]
sync_filesystem fs/sync.c:64 [inline]
sync_filesystem+0xe2/0x230 fs/sync.c:48
generic_shutdown_super+0x70/0x370 fs/super.c:432
kill_block_super+0x95/0xe0 fs/super.c:1161
deactivate_locked_super+0x6c/0xd0 fs/super.c:319
deactivate_super+0x7f/0xa0 fs/super.c:350
cleanup_mnt+0x186/0x2c0 fs/namespace.c:1183
task_work_run+0x11f/0x190 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xa44/0x2850 kernel/exit.c:868
do_group_exit+0x100/0x2e0 kernel/exit.c:965
SYSC_exit_group kernel/exit.c:976 [inline]
SyS_exit_group+0x19/0x20 kernel/exit.c:974
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f5ec9873ae9
RSP: 002b:00007ffed83f5d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5ec98e9350 RCX: 00007f5ec9873ae9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f5ec98e3e40
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 00007f5ec98e9350
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
Code: 00 0f 85 4e 2d 00 00 48 8b 7b 18 b9 08 00 00 00 e8 b7 22 e0 ff 48 89 c2 48 89 44 24 60 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 11 2d 00 00 48 8b 5c 24 60 48 8b 03 a8 01 75
RIP: constant_test_bit arch/x86/include/asm/bitops.h:328 [inline] RSP: ffff8880963d7ab8
RIP: set_buffer_uptodate include/linux/buffer_head.h:144 [inline] RSP: ffff8880963d7ab8
RIP: do_journal_end+0x111f/0x4310 fs/reiserfs/journal.c:4090 RSP: ffff8880963d7ab8
---[ end trace 975c141c4ff9f963 ]---
----------------
Code disassembly (best guess):
0: 00 0f add %cl,(%rdi)
2: 85 4e 2d test %ecx,0x2d(%rsi)
5: 00 00 add %al,(%rax)
7: 48 8b 7b 18 mov 0x18(%rbx),%rdi
b: b9 08 00 00 00 mov $0x8,%ecx
10: e8 b7 22 e0 ff callq 0xffe022cc
15: 48 89 c2 mov %rax,%rdx
18: 48 89 44 24 60 mov %rax,0x60(%rsp)
1d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
24: fc ff df
27: 48 c1 ea 03 shr $0x3,%rdx
* 2b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2f: 0f 85 11 2d 00 00 jne 0x2d46
35: 48 8b 5c 24 60 mov 0x60(%rsp),%rbx
3a: 48 8b 03 mov (%rbx),%rax
3d: a8 01 test $0x1,%al
3f: 75 .byte 0x75