REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using rupasov hash to sort names ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3657! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9344 Comm: syz-executor346 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal RIP: 0010:check_journal_end fs/reiserfs/journal.c:3657 [inline] RIP: 0010:do_journal_end+0x3601/0x4840 fs/reiserfs/journal.c:4054 Code: 55 0e ff ff e9 9a f9 ff ff e8 7b 7c 8b ff 0f 0b e8 74 7c 8b ff 0f 0b e8 6d 7c 8b ff 0f 0b e8 66 7c 8b ff 0f 0b e8 5f 7c 8b ff <0f> 0b e8 58 7c 8b ff 0f 0b e8 51 7c 8b ff 48 8b 44 24 08 48 8b 54 REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal RSP: 0018:ffff888097687998 EFLAGS: 00010293 RAX: ffff88809ec24600 RBX: ffffc90008607000 RCX: ffffffff81d6d933 RDX: 0000000000000000 RSI: ffffffff81d70911 RDI: 0000000000000007 RBP: ffff88809c8fed00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc90008607058 R14: ffff888097687bc8 R15: 0000000000000000 FS: 0000555555575300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb0598000 CR3: 00000000b4dde000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal journal_end+0x277/0x310 fs/reiserfs/journal.c:3426 reiserfs_fill_super+0x1ee8/0x2d80 fs/reiserfs/super.c:2179 REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal mount_bdev+0x2fc/0x3b0 fs/super.c:1158 REISERFS (device loop2): using ordered data mode mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 REISERFS (device loop3): using ordered data mode ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 reiserfs: using flush barriers do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f014597770a REISERFS (device loop0): using ordered data mode Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeb0597208 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f014597770a RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007ffeb0597220 reiserfs: using flush barriers RBP: 00007ffeb0597220 R08: 00007ffeb0597260 R09: 0000000000000000 reiserfs: using flush barriers R10: 0000000002000004 R11: 0000000000000286 R12: 0000000000000004 R13: 00005555555752c0 R14: 0000000002000004 R15: 00007ffeb0597260 Modules linked in: ---[ end trace 31e340bf93c7db2d ]--- REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 RIP: 0010:check_journal_end fs/reiserfs/journal.c:3657 [inline] RIP: 0010:do_journal_end+0x3601/0x4840 fs/reiserfs/journal.c:4054 REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal Code: 55 0e ff ff e9 9a f9 ff ff e8 7b 7c 8b ff 0f 0b e8 74 7c 8b ff 0f 0b e8 6d 7c 8b ff 0f 0b e8 66 7c 8b ff 0f 0b e8 5f 7c 8b ff <0f> 0b e8 58 7c 8b ff 0f 0b e8 51 7c 8b ff 48 8b 44 24 08 48 8b 54 REISERFS (device loop5): using ordered data mode RSP: 0018:ffff888097687998 EFLAGS: 00010293 REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 RAX: ffff88809ec24600 RBX: ffffc90008607000 RCX: ffffffff81d6d933 REISERFS (device loop1): using ordered data mode RDX: 0000000000000000 RSI: ffffffff81d70911 RDI: 0000000000000007 reiserfs: using flush barriers RBP: ffff88809c8fed00 R08: 0000000000000001 R09: 0000000000000000 REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 REISERFS (device loop2): checking transaction log (loop2) R13: ffffc90008607058 R14: ffff888097687bc8 R15: 0000000000000000 reiserfs: using flush barriers FS: 0000555555575300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 REISERFS (device loop3): checking transaction log (loop3) CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 REISERFS (device loop0): checking transaction log (loop0) CR2: 00007f27554b7000 CR3: 00000000b4dde000 CR4: 00000000003406e0 REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 REISERFS (device loop0): Using rupasov hash to sort names DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 REISERFS (device loop3): Using rupasov hash to sort names ---------------- Code disassembly (best guess): 0: 48 c7 c2 c0 ff ff ff mov $0xffffffffffffffc0,%rdx 7: f7 d8 neg %eax 9: 64 89 02 mov %eax,%fs:(%rdx) c: b8 ff ff ff ff mov $0xffffffff,%eax 11: eb d2 jmp 0xffffffe5 13: e8 a8 00 00 00 callq 0xc0 18: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1f: 00 20: 49 89 ca mov %rcx,%r10 23: b8 a5 00 00 00 mov $0xa5,%eax 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 c0 ff ff ff mov $0xffffffffffffffc0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W