ip: ffff888012beb588: 00000300 00000000 12beb590 ffff8880 ip: ffff888012beb598: 12beb590 ffff8880 00000000 00000000 ip: ffff888012beb5a8: 00000000 00000000 00000000 00000000 ip: ffff888012beb5b8: 00000000 dead4ead ffffffff 00000000 ip: ffff888012beb5c8: ffffffff ffffffff 92d6e370 ffffffff ip: ffff888012beb5d8: 00000000 00000000 00000000 00000000 ip: ffff888012beb5e8: 8b8ce580 ffffffff 00000200 00000000 ip: ffff888012beb5f8: 12beb5f8 ffff8880 12beb5f8 ffff8880 ip: ffff888012beb608: 12beb5a0 ffff8880 99e2da20 ffffffff ip: ffff888012beb618: 00000000 00000000 00000000 00000000 ip: ffff888012beb628: 8b9e19e0 ffffffff 00000400 00000000 ip: ffff888012beb638: 00000000 00000000 12beb640 ffff8880 ip: ffff888012beb648: 12beb640 ffff8880 00000006 00000000 ip: ffff888012beb658: 00000000 00000000 00000000 00000000 ip: ffff888012beb668: 00000000 00000000 mp: ffff8880127ef2e8: 00001000 00000005 00003adc 00000000 mp: ffff8880127ef2f8: 01399230 ffffc900 37c5fa28 ffff8880 mp: ffff8880127ef308: 00000005 00000000 00000001 00000000 mp: ffff8880127ef318: 11550000 ffff8880 0000072c 00000000 mp: ffff8880127ef328: 00000000 dead4ead ffffffff 00000000 mp: ffff8880127ef338: ffffffff ffffffff 99f225e0 ffffffff mp: ffff8880127ef348: 937fa308 ffffffff 00000000 00000000 mp: ffff8880127ef358: 8bcae220 ffffffff 00000300 00000000 mp: ffff8880127ef368: 127ef368 ffff8880 127ef368 ffff8880 mp: ffff8880127ef378: 00455400 ffffea00 3a32c000 ffff8880 mp: ffff8880127ef388: 00001000 00004310 00000001 00000000 mp: ffff8880127ef398: 37c5f800 ffff8880 Locker's tblock: ffffc90001399330: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90001399340: 00000100 dead0000 00000122 dead0000 Locker's tblock: ffffc90001399350: 3a32c000 ffff8880 00060006 00000000 Locker's tblock: ffffc90001399360: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90001399370: ffffffff ffffffff 99f227e0 ffffffff Locker's tblock: ffffc90001399380: 937fb118 ffffffff 00000000 00000000 Locker's tblock: ffffc90001399390: 8bcaf6e0 ffffffff 00000300 00000000 Locker's tblock: ffffc900013993a0: 013993a0 ffffc900 013993a0 ffffc900 Locker's tblock: ffffc900013993b0: 00000009 00000000 00000100 dead0000 Locker's tblock: ffffc900013993c0: 00000122 dead0000 0000410c 00000000 Locker's tblock: ffffc900013993d0: 00f48a00 ffff8880 00000004 0000010c Locker's tblock: ffffc900013993e0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc900013993f0: ffffffff ffffffff 99f227c0 ffffffff Locker's tblock: ffffc90001399400: 937fb050 ffffffff 00000000 00000000 Locker's tblock: ffffc90001399410: 8bcaf6a0 ffffffff 00000300 00000000 Locker's tblock: ffffc90001399420: 01399420 ffffc900 01399420 ffffc900 Locker's tblock: ffffc90001399430: 00000004 0000072c 00001001 00000000 Tlock: ffffc90001539168: 00020007 40048884 127ef2e8 ffff8880 Tlock: ffffc90001539178: 12becd70 ffff8880 01140000 01000008 Tlock: ffffc90001539188: 115500a0 ffff8880 00000000 00000000 Tlock: ffffc90001539198: 00000000 00000000 00000000 00000000 Tlock: ffffc900015391a8: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:835! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5341 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:835 Code: 48 c7 c6 00 fd ca 8b 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 2b 70 47 01 48 83 c4 10 90 <0f> 0b e8 8f 8f 6f fe 4c 89 ff 48 c7 c6 e0 04 cb 8b e8 90 ef d4 fd RSP: 0018:ffffc9000e787160 EFLAGS: 00010286 RAX: 2deaac2e7d273f00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021003000 RSI: 0000000000027ba9 RDI: 0000000000027baa RBP: ffffc9000e787298 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1c3ce48 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a722d R15: ffffc9000153916a FS: 00007f49cf9736c0(0000) GS:ffff88808cf1d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49cf972ff0 CR3: 000000001fa54000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline] dtInsert+0xedd/0x5de0 fs/jfs/jfs_dtree.c:871 jfs_create+0x75b/0xb10 fs/jfs/namei.c:137 lookup_open fs/namei.c:4449 [inline] open_last_lookups fs/namei.c:4549 [inline] path_openat+0x18dd/0x3e20 fs/namei.c:4793 do_filp_open+0x22d/0x490 fs/namei.c:4823 do_sys_openat2+0x12f/0x220 fs/open.c:1430 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+0x138/0x170 fs/open.c:1447 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f49ceb9acb9 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:00007f49cf973028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f49cee16090 RCX: 00007f49ceb9acb9 RDX: 000000000000275a RSI: 0000200000000140 RDI: ffffffffffffff9c RBP: 00007f49cec08bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f49cee16128 R14: 00007f49cee16090 R15: 00007ffec93c7208 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 00 fd ca 8b 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 2b 70 47 01 48 83 c4 10 90 <0f> 0b e8 8f 8f 6f fe 4c 89 ff 48 c7 c6 e0 04 cb 8b e8 90 ef d4 fd RSP: 0018:ffffc9000e787160 EFLAGS: 00010286 RAX: 2deaac2e7d273f00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021003000 RSI: 0000000000027ba9 RDI: 0000000000027baa RBP: ffffc9000e787298 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1c3ce48 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920002a722d R15: ffffc9000153916a FS: 00007f49cf9736c0(0000) GS:ffff88808cf1d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49cf972ff0 CR3: 000000001fa54000 CR4: 0000000000352ef0