ip: ffff88805504bcb8: 9a4d0670 ffffffff 00000000 00000000 ip: ffff88805504bcc8: 00000000 00000000 8bde86c0 ffffffff ip: ffff88805504bcd8: 00000300 00000000 00000000 00000000 ip: ffff88805504bce8: 00000000 00000000 00000000 00000000 ip: ffff88805504bcf8: 00000000 dead4ead ffffffff 00000000 ip: ffff88805504bd08: ffffffff ffffffff 9340e320 ffffffff ip: ffff88805504bd18: 00000000 00000000 00000000 00000000 ip: ffff88805504bd28: 8bcce6e0 ffffffff 00000200 00000000 ip: ffff88805504bd38: 00000000 00000000 5504bce0 ffff8880 ip: ffff88805504bd48: 9a4d0660 ffffffff 00000000 00000000 ip: ffff88805504bd58: 00000000 00000000 8bde8680 ffffffff ip: ffff88805504bd68: 00000400 00000000 5504bd70 ffff8880 ip: ffff88805504bd78: 5504bd70 ffff8880 00000008 00000000 ip: ffff88805504bd88: 00000000 00000000 00000000 00000000 ip: ffff88805504bd98: 00000000 00000000 mp: ffff888030b86aa8: 00001000 00000004 00009d70 00000000 mp: ffff888030b86ab8: 42d2d220 ffff8880 30b86ca8 ffff8880 mp: ffff888030b86ac8: 00000005 00000000 00000001 00000000 mp: ffff888030b86ad8: 40f55000 ffff8880 0000072c 00000000 mp: ffff888030b86ae8: 00000000 dead4ead ffffffff 00000000 mp: ffff888030b86af8: ffffffff ffffffff 9a5c6580 ffffffff mp: ffff888030b86b08: 93e99fa8 ffffffff 00000000 00000000 mp: ffff888030b86b18: 8c0c0320 ffffffff 00000300 00000000 mp: ffff888030b86b28: 30b86b28 ffff8880 30b86b28 ffff8880 mp: ffff888030b86b38: 0103d540 ffffea00 3fc58000 ffff8880 mp: ffff888030b86b48: 00001000 00018d64 00000001 00000000 mp: ffff888030b86b58: 42d2d000 ffff8880 Locker's tblock: ffffc90000ec1440: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000ec1450: 00ec1450 ffffc900 00ec1450 ffffc900 Locker's tblock: ffffc90000ec1460: 3fc58000 ffff8880 00070007 00000000 Locker's tblock: ffffc90000ec1470: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000ec1480: ffffffff ffffffff 9a5c6780 ffffffff Locker's tblock: ffffc90000ec1490: 93e9ac28 ffffffff 00000000 00000000 Locker's tblock: ffffc90000ec14a0: 8c0c17e0 ffffffff 00000300 00000000 Locker's tblock: ffffc90000ec14b0: 00ec14b0 ffffc900 00ec14b0 ffffc900 Locker's tblock: ffffc90000ec14c0: 00000129 00000000 00000100 dead0000 Locker's tblock: ffffc90000ec14d0: 00000122 dead0000 00018494 00000000 Locker's tblock: ffffc90000ec14e0: 36478800 ffff8880 00000018 00000494 Locker's tblock: ffffc90000ec14f0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000ec1500: ffffffff ffffffff 9a5c6760 ffffffff Locker's tblock: ffffc90000ec1510: 93e9b0d8 ffffffff 00000000 00000000 Locker's tblock: ffffc90000ec1520: 8c0c17a0 ffffffff 00000300 00000000 Locker's tblock: ffffc90000ec1530: 00ec1530 ffffc900 00ec1530 ffffc900 Locker's tblock: ffffc90000ec1540: 00000004 0000001c 00000009 00000000 Tlock: ffffc9000105e120: 00030006 40048884 30b86aa8 ffff8880 Tlock: ffffc9000105e130: 55049eb8 ffff8880 01140000 01000008 Tlock: ffffc9000105e140: 40f55480 ffff8880 00000001 0000072c Tlock: ffffc9000105e150: 00000001 0000073e 00000000 00000000 Tlock: ffffc9000105e160: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:836! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 00 1e 0c 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 6b 30 50 01 48 83 c4 10 90 <0f> 0b e8 ef ba 61 fe 4c 89 ff 48 c7 c6 e0 25 0c 8c e8 90 f5 c3 fd RSP: 0018:ffffc90006327140 EFLAGS: 00010282 RAX: e1b898eac9147900 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000f18a000 RSI: 0000000000026c0b RDI: 0000000000026c0c RBP: ffffc90006327278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd258 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff9200020bc24 R15: ffffc9000105e122 FS: 00007fd4bb23a6c0(0000) GS:ffff88808c87f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000005a000 CR3: 000000000e4c4000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1924 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline] dtInsert+0xeea/0x5cd0 fs/jfs/jfs_dtree.c:868 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138 lookup_open fs/namei.c:4511 [inline] open_last_lookups fs/namei.c:4611 [inline] path_openat+0x1395/0x3860 fs/namei.c:4855 do_file_open+0x23e/0x4a0 fs/namei.c:4887 do_sys_openat2+0x113/0x200 fs/open.c:1364 do_sys_open fs/open.c:1370 [inline] __do_sys_openat fs/open.c:1386 [inline] __se_sys_openat fs/open.c:1381 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd4ba39ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd4bb239fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd4ba615fa0 RCX: 00007fd4ba39ce59 RDX: 000000000000275a RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fd4ba432d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd4ba616038 R14: 00007fd4ba615fa0 R15: 00007ffe7e114188 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 00 1e 0c 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 6b 30 50 01 48 83 c4 10 90 <0f> 0b e8 ef ba 61 fe 4c 89 ff 48 c7 c6 e0 25 0c 8c e8 90 f5 c3 fd RSP: 0018:ffffc90006327140 EFLAGS: 00010282 RAX: e1b898eac9147900 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000f18a000 RSI: 0000000000026c0b RDI: 0000000000026c0c RBP: ffffc90006327278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd258 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff9200020bc24 R15: ffffc9000105e122 FS: 00007fd4bb23a6c0(0000) GS:ffff88808c87f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000005a000 CR3: 000000000e4c4000 CR4: 0000000000352ef0