REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [1 2 0x0 SD] stat data divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 27373 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:do_journal_end+0x12c5/0x4770 fs/reiserfs/journal.c:4090 Code: 28 84 c0 0f 85 f8 2e 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 ff 2e 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c RSP: 0018:ffffc90014d07880 EFLAGS: 00010246 RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888022e24000 RBP: ffffc90014d07af0 R08: ffff888022e23fff R09: 0000000000000000 R10: ffff888022e23000 R11: ffffed10045c4800 R12: 0000000000000003 R13: dffffc0000000000 R14: ffff888083725017 R15: ffff888083725014 FS: 00007f2c7b2246c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5991fdf8 CR3: 000000004ec29000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_setattr+0xdc4/0x1140 fs/reiserfs/inode.c:3372 notify_change+0xb99/0xe60 fs/attr.c:499 chown_common+0x500/0x850 fs/open.c:783 vfs_fchown fs/open.c:851 [inline] ksys_fchown+0xe5/0x150 fs/open.c:862 __do_sys_fchown fs/open.c:870 [inline] __se_sys_fchown fs/open.c:868 [inline] __x64_sys_fchown+0x7a/0x90 fs/open.c:868 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f2c7a47cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f2c7b2240c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005d RAX: ffffffffffffffda RBX: 00007f2c7a59bf80 RCX: 00007f2c7a47cae9 RDX: 000000000000ee00 RSI: 000000000000ee00 RDI: 0000000000000004 RBP: 00007f2c7a4c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2c7a59bf80 R15: 00007ffd157f7748 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_end+0x12c5/0x4770 fs/reiserfs/journal.c:4090 Code: 28 84 c0 0f 85 f8 2e 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 ff 2e 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c RSP: 0018:ffffc90014d07880 EFLAGS: 00010246 RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888022e24000 RBP: ffffc90014d07af0 R08: ffff888022e23fff R09: 0000000000000000 R10: ffff888022e23000 R11: ffffed10045c4800 R12: 0000000000000003 R13: dffffc0000000000 R14: ffff888083725017 R15: ffff888083725014 FS: 00007f2c7b2246c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb00f8c56be CR3: 000000004ec29000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 84 c0 0f 85 f8 2e sub %al,0x2ef8850f(%rax,%rax,8) 7: 00 00 add %al,(%rax) 9: 4d 8d 64 1c 01 lea 0x1(%r12,%rbx,1),%r12 e: 4c 89 f0 mov %r14,%rax 11: 48 c1 e8 03 shr $0x3,%rax 15: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax 1a: 84 c0 test %al,%al 1c: 0f 85 ff 2e 00 00 jne 0x2f21 22: 41 8b 0f mov (%r15),%ecx 25: 4c 89 e0 mov %r12,%rax 28: 31 d2 xor %edx,%edx * 2a: 48 f7 f1 div %rcx <-- trapping instruction 2d: 48 89 d3 mov %rdx,%rbx 30: 48 03 5c 24 20 add 0x20(%rsp),%rbx 35: 48 8b 84 24 d8 00 00 mov 0xd8(%rsp),%rax 3c: 00 3d: 42 rex.X 3e: 80 .byte 0x80 3f: 3c .byte 0x3c