JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1387! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6000 Comm: syz.2.31 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x2107/0x2230 fs/ocfs2/suballoc.c:1927 Code: 8f bb 82 fe e9 8c fb ff ff e8 15 4d 2b fe 0f 0b e8 0e 4d 2b fe 0f 0b e8 07 4d 2b fe 0f 0b e8 00 4d 2b fe 0f 0b e8 f9 4c 2b fe <0f> 0b e8 f2 4c 2b fe 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d ee 71 a9 RSP: 0018:ffffc900059e6ee0 EFLAGS: 00010283 RAX: ffffffff835a43c7 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000d539000 RSI: 000000000001cda3 RDI: 000000000001cda4 RBP: ffffc900059e7170 R08: ffffc900059e7200 R09: 0000000000000000 R10: ffffc900059e7200 R11: fffff52000b3ce44 R12: ffff88805a71b400 R13: ffff88802d81ed08 R14: 0000000000000002 R15: dffffc0000000000 FS: 00007f807c4466c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa249991000 CR3: 000000007ce7a000 CR4: 00000000003506f0 Call Trace: ocfs2_claim_new_inode+0x32a/0x780 fs/ocfs2/suballoc.c:2210 ocfs2_mknod_locked+0x101/0x250 fs/ocfs2/namei.c:635 ocfs2_mknod+0x107e/0x20f0 fs/ocfs2/namei.c:381 ocfs2_create+0x196/0x410 fs/ocfs2/namei.c:674 lookup_open fs/namei.c:3496 [inline] open_last_lookups fs/namei.c:3564 [inline] path_openat+0x1277/0x3190 fs/namei.c:3794 do_filp_open+0x1c5/0x3d0 fs/namei.c:3824 do_sys_openat2+0x12c/0x1c0 fs/open.c:1421 do_sys_open fs/open.c:1436 [inline] __do_sys_openat fs/open.c:1452 [inline] __se_sys_openat fs/open.c:1447 [inline] __x64_sys_openat+0x139/0x160 fs/open.c:1447 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f807b58f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f807c446038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f807b7e5fa0 RCX: 00007f807b58f749 RDX: 0000000000141042 RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007f807b613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f807b7e6038 R14: 00007f807b7e5fa0 R15: 00007ffd0632cd98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline] RIP: 0010:ocfs2_claim_suballoc_bits+0x2107/0x2230 fs/ocfs2/suballoc.c:1927 Code: 8f bb 82 fe e9 8c fb ff ff e8 15 4d 2b fe 0f 0b e8 0e 4d 2b fe 0f 0b e8 07 4d 2b fe 0f 0b e8 00 4d 2b fe 0f 0b e8 f9 4c 2b fe <0f> 0b e8 f2 4c 2b fe 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d ee 71 a9 RSP: 0018:ffffc900059e6ee0 EFLAGS: 00010283 RAX: ffffffff835a43c7 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000d539000 RSI: 000000000001cda3 RDI: 000000000001cda4 RBP: ffffc900059e7170 R08: ffffc900059e7200 R09: 0000000000000000 R10: ffffc900059e7200 R11: fffff52000b3ce44 R12: ffff88805a71b400 R13: ffff88802d81ed08 R14: 0000000000000002 R15: dffffc0000000000 FS: 00007f807c4466c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f483bbb7198 CR3: 000000007ce7a000 CR4: 00000000003506e0