REISERFS panic (device loop5): journal-2332 do_journal_end: Trying to log block 8211, which is a log block ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6886 Comm: syz-executor.5 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__reiserfs_panic.cold+0x37/0x8a fs/reiserfs/prints.c:390 Code: 9c 88 74 6d e8 4f 9a 7a ff 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 20 32 4f 8d 48 c7 c7 e0 b4 9c 88 e8 32 a3 63 ff e8 2e 9a 7a ff <0f> 0b e8 27 9a 7a ff 4d 85 e4 49 c7 c6 20 b3 9c 88 75 0a 49 c7 c6 RSP: 0018:ffffc900057c7b00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804d17e000 RCX: 0000000000000000 RDX: ffff888057f3e140 RSI: ffffffff81fba412 RDI: fffff52000af8f52 RBP: ffffc900057c7bd0 R08: 000000000000006a R09: ffff8880ae5318e7 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff889d1b20 R13: ffffffff889d2320 R14: ffffffff889cb320 R15: 0000000000002015 FS: 00000000023b5940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc9e331db8 CR3: 00000000966ca000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_journal_end+0x3d85/0x4950 fs/reiserfs/journal.c:4135 reiserfs_sync_fs+0xf8/0x120 fs/reiserfs/super.c:78 __sync_filesystem fs/sync.c:39 [inline] sync_filesystem fs/sync.c:64 [inline] sync_filesystem+0x105/0x260 fs/sync.c:48 generic_shutdown_super+0x70/0x370 fs/super.c:448 kill_block_super+0x97/0xf0 fs/super.c:1444 deactivate_locked_super+0x94/0x160 fs/super.c:335 deactivate_super+0xad/0xd0 fs/super.c:366 cleanup_mnt+0x3a3/0x530 fs/namespace.c:1118 task_work_run+0xdd/0x190 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:165 [inline] exit_to_user_mode_prepare+0x1e1/0x200 kernel/entry/common.c:192 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:267 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x460027 Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 fd 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffccf055678 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000460027 RDX: 0000000000403188 RSI: 0000000000000002 RDI: 00007ffccf055720 RBP: 0000000000000949 R08: 0000000000000000 R09: 000000000000000b R10: 0000000000000005 R11: 0000000000000246 R12: 00007ffccf0567b0 R13: 00000000023b6a60 R14: 0000000000000000 R15: 00007ffccf0567b0 Modules linked in: ---[ end trace 3c2c809ae25fc32e ]--- RIP: 0010:__reiserfs_panic.cold+0x37/0x8a fs/reiserfs/prints.c:390 Code: 9c 88 74 6d e8 4f 9a 7a ff 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 20 32 4f 8d 48 c7 c7 e0 b4 9c 88 e8 32 a3 63 ff e8 2e 9a 7a ff <0f> 0b e8 27 9a 7a ff 4d 85 e4 49 c7 c6 20 b3 9c 88 75 0a 49 c7 c6 RSP: 0018:ffffc900057c7b00 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804d17e000 RCX: 0000000000000000 RDX: ffff888057f3e140 RSI: ffffffff81fba412 RDI: fffff52000af8f52 RBP: ffffc900057c7bd0 R08: 000000000000006a R09: ffff8880ae5318e7 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff889d1b20 R13: ffffffff889d2320 R14: ffffffff889cb320 R15: 0000000000002015 FS: 00000000023b5940(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000748698 CR3: 00000000966ca000 CR4: 00000000001526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400