syzbot


invalid opcode in do_journal_end

Status: auto-closed as invalid on 2022/02/08 03:50
Reported-by: syzbot+5591d8fc6ecfa5f63f9e@syzkaller.appspotmail.com
First crash: 381d, last: 381d

Sample crash report:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10214 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_journal_end fs/reiserfs/journal.c:3642 [inline]
RIP: 0010:do_journal_end+0x459b/0x4610 fs/reiserfs/journal.c:4038
Code: 7c 24 18 48 c7 c6 e0 35 86 8a 48 c7 c2 e4 98 3f 8c 48 c7 c1 20 36 86 8a 41 89 e8 41 89 d9 31 c0 e8 ea fb fb ff e8 95 d4 65 ff <0f> 0b e8 8e d4 65 ff e8 39 9e b1 ff 48 8b 7c 24 18 48 c7 c6 e0 52
RSP: 0018:ffffc90002bef6b8 EFLAGS: 00010246
RAX: ffffffff821e77db RBX: ffffc90002d89048 RCX: 0000000000040000
RDX: ffffc9000fbbc000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff920005b1209 R08: ffffffff821e3835 R09: fffff520005b120c
R10: fffff520005b120c R11: 0000000000000000 R12: ffffc90002d89000
R13: 1ffff920005b120b R14: ffffc90002d89058 R15: 0000000000000000
FS:  00007f7469033700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc30d140058 CR3: 0000000092a91000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 reiserfs_fill_super+0x3100/0x37e0 fs/reiserfs/super.c:2166
 mount_bdev+0x26c/0x3a0 fs/super.c:1370
 legacy_get_tree+0xea/0x180 fs/fs_context.c:610
 vfs_get_tree+0x86/0x270 fs/super.c:1500
 do_new_mount fs/namespace.c:2988 [inline]
 path_mount+0x1986/0x2c30 fs/namespace.c:3318
 do_mount fs/namespace.c:3331 [inline]
 __do_sys_mount fs/namespace.c:3539 [inline]
 __se_sys_mount+0x308/0x3c0 fs/namespace.c:3516
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f746bae001a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007f7469032fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f746bae001a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7469033000
RBP: 00007f7469033040 R08: 00007f7469033040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f7469033000 R15: 0000000020011500
 </TASK>
Modules linked in:
---[ end trace c08200142ae8b509 ]---
RIP: 0010:check_journal_end fs/reiserfs/journal.c:3642 [inline]
RIP: 0010:do_journal_end+0x459b/0x4610 fs/reiserfs/journal.c:4038
Code: 7c 24 18 48 c7 c6 e0 35 86 8a 48 c7 c2 e4 98 3f 8c 48 c7 c1 20 36 86 8a 41 89 e8 41 89 d9 31 c0 e8 ea fb fb ff e8 95 d4 65 ff <0f> 0b e8 8e d4 65 ff e8 39 9e b1 ff 48 8b 7c 24 18 48 c7 c6 e0 52
RSP: 0018:ffffc90002bef6b8 EFLAGS: 00010246
RAX: ffffffff821e77db RBX: ffffc90002d89048 RCX: 0000000000040000
RDX: ffffc9000fbbc000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff920005b1209 R08: ffffffff821e3835 R09: fffff520005b120c
R10: fffff520005b120c R11: 0000000000000000 R12: ffffc90002d89000
R13: 1ffff920005b120b R14: ffffc90002d89058 R15: 0000000000000000
FS:  00007f7469033700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc30d140058 CR3: 0000000092a91000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/11/10 03:49 upstream cb690f5238d7 55fa030c .config log report info invalid opcode in do_journal_end
* Struck through repros no longer work on HEAD.