REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5011 Comm: syz-executor289 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:do_journal_end+0x167d/0x4af0 fs/reiserfs/journal.c:4089 Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 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:ffffc90003aaf9c8 EFLAGS: 00010246 RAX: 0000000000000003 RBX: ffff888072d11000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807ee81018 RBP: ffff88807ee81000 R08: 0000000000000001 R09: 424c724573496552 R10: ffff88807f20c000 R11: 0000000000000004 R12: 0000000000001000 R13: 0000000000000000 R14: ffffc90003aafbb8 R15: ffff888074625570 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd41f595ed8 CR3: 0000000015fee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_sync_fs+0xfc/0x130 fs/reiserfs/super.c:78 sync_filesystem.part.0+0x75/0x1d0 fs/sync.c:56 sync_filesystem+0x8f/0xc0 fs/sync.c:43 generic_shutdown_super+0x74/0x480 fs/super.c:473 kill_block_super+0xa1/0x100 fs/super.c:1407 deactivate_locked_super+0x98/0x160 fs/super.c:331 deactivate_super+0xb1/0xd0 fs/super.c:362 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1177 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb0d/0x29f0 kernel/exit.c:871 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0c9696aad9 Code: Unable to access opcode bytes at 0x7f0c9696aaaf. RSP: 002b:00007ffcf6107988 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f0c969e0350 RCX: 00007f0c9696aad9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0c969dae40 R10: 000000000001ff01 R11: 0000000000000246 R12: 00007f0c969e0350 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_end+0x167d/0x4af0 fs/reiserfs/journal.c:4089 Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 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:ffffc90003aaf9c8 EFLAGS: 00010246 RAX: 0000000000000003 RBX: ffff888072d11000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807ee81018 RBP: ffff88807ee81000 R08: 0000000000000001 R09: 424c724573496552 R10: ffff88807f20c000 R11: 0000000000000004 R12: 0000000000001000 R13: 0000000000000000 R14: ffffc90003aafbb8 R15: ffff888074625570 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055719d760003 CR3: 00000000284ea000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c6 41 84 f0 movb $0xf0,-0x7c(%rcx) 4: 0f 85 16 2b 00 00 jne 0x2b20 a: 83 e2 07 and $0x7,%edx d: 38 d1 cmp %dl,%cl f: 40 0f 9e c6 setle %sil 13: 84 c9 test %cl,%cl 15: 0f 95 c2 setne %dl 18: 40 84 d6 test %dl,%sil 1b: 0f 85 ff 2a 00 00 jne 0x2b20 21: 8b 4b 14 mov 0x14(%rbx),%ecx 24: 48 8d 7d 18 lea 0x18(%rbp),%rdi 28: 31 d2 xor %edx,%edx * 2a: 48 f7 f1 div %rcx <-- trapping instruction 2d: 4a 8d 34 2a lea (%rdx,%r13,1),%rsi 31: 48 89 fa mov %rdi,%rdx 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 48 rex.W 3f: c1 .byte 0xc1