ip: ffff8880445fbc78: ffffffff ffffffff 9a80b1d0 ffffffff ip: ffff8880445fbc88: 00000000 00000000 00000000 00000000 ip: ffff8880445fbc98: 8bfef900 ffffffff 00000300 00000000 ip: ffff8880445fbca8: 00000000 00000000 00000000 00000000 ip: ffff8880445fbcb8: 00000000 00000000 00000000 dead4ead ip: ffff8880445fbcc8: ffffffff 00000000 ffffffff ffffffff ip: ffff8880445fbcd8: 937474c0 ffffffff 00000000 00000000 ip: ffff8880445fbce8: 00000000 00000000 8bed0380 ffffffff ip: ffff8880445fbcf8: 00000200 00000000 00000000 00000000 ip: ffff8880445fbd08: 445fbca8 ffff8880 9a80b1c0 ffffffff ip: ffff8880445fbd18: 00000000 00000000 00000000 00000000 ip: ffff8880445fbd28: 8bfef8c0 ffffffff 00000400 00000000 ip: ffff8880445fbd38: 445fbd38 ffff8880 445fbd38 ffff8880 ip: ffff8880445fbd48: 00000006 00000000 00000000 00000000 ip: ffff8880445fbd58: 00000000 00000000 00000000 00000000 mp: ffff888000cb74d8: 00001000 0000000a 000039fc 00000000 mp: ffff888000cb74e8: 00eb1450 ffffc900 00cb7da0 ffff8880 mp: ffff888000cb74f8: 00000005 00000000 00000001 00000000 mp: ffff888000cb7508: 43268000 ffff8880 0000072c 00000000 mp: ffff888000cb7518: 00000000 dead4ead ffffffff 00000000 mp: ffff888000cb7528: ffffffff ffffffff 9a900fe0 ffffffff mp: ffff888000cb7538: 941d39e0 ffffffff 00000000 00000000 mp: ffff888000cb7548: 8c2c8d60 ffffffff 00000300 00000000 mp: ffff888000cb7558: 00cb7558 ffff8880 00cb7558 ffff8880 mp: ffff888000cb7568: 010c9a00 ffffea00 12066000 ffff8880 mp: ffff888000cb7578: 00001000 0000793c 00000001 00000000 mp: ffff888000cb7588: 52c96000 ffff8880 Locker's tblock: ffffc90000eb1330: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000eb1340: 00eb1340 ffffc900 00eb1340 ffffc900 Locker's tblock: ffffc90000eb1350: 12066000 ffff8880 00080008 00000000 Locker's tblock: ffffc90000eb1360: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000eb1370: ffffffff ffffffff 9a9011e0 ffffffff Locker's tblock: ffffc90000eb1380: 941d4980 ffffffff 00000000 00000000 Locker's tblock: ffffc90000eb1390: 8c2ca220 ffffffff 00000300 00000000 Locker's tblock: ffffc90000eb13a0: 00eb13a0 ffffc900 00eb13a0 ffffc900 Locker's tblock: ffffc90000eb13b0: 00000037 00000000 00000100 dead0000 Locker's tblock: ffffc90000eb13c0: 00000122 dead0000 0000793c 00000000 Locker's tblock: ffffc90000eb13d0: 12b91500 ffff8880 00000007 0000093c Locker's tblock: ffffc90000eb13e0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000eb13f0: ffffffff ffffffff 9a9011c0 ffffffff Locker's tblock: ffffc90000eb1400: 941d48b8 ffffffff 00000000 00000000 Locker's tblock: ffffc90000eb1410: 8c2ca1e0 ffffffff 00000300 00000000 Locker's tblock: ffffc90000eb1420: 00eb1420 ffffc900 00eb1420 ffffc900 Locker's tblock: ffffc90000eb1430: 00000004 0000072c 00001001 00000000 Tlock: ffffc9000104c2d0: 00040000 80018804 00cb74d8 ffff8880 Tlock: ffffc9000104c2e0: 445fc200 ffff8880 01140000 07002000 Tlock: ffffc9000104c2f0: 01040100 ffffc900 0000001f 00000e20 Tlock: ffffc9000104c300: 00000000 00000000 00000000 00000000 Tlock: ffffc9000104c310: 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: 5327 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+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 40 a8 2c 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 22 0f 6a 01 48 83 c4 10 90 <0f> 0b e8 86 1d 5b fe 4c 89 ef 48 c7 c6 20 b0 2c 8c e8 a7 2a bc fd RSP: 0018:ffffc9000ef5f240 EFLAGS: 00010282 RAX: 469ee7687e6a0700 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90020802000 RSI: 0000000000026cf0 RDI: 0000000000026cf1 RBP: ffffc9000ef5f380 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1d3ca24 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff9200020985a R15: ffffc9000104c2d2 FS: 00007fea9fa3a6c0(0000) GS:ffff88808c545000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 000000001c7cf000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x38d/0x1900 fs/jfs/jfs_dtree.c:1924 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline] dtInsert+0xedd/0x5cb0 fs/jfs/jfs_dtree.c:868 jfs_create+0x730/0xae0 fs/jfs/namei.c:138 lookup_open fs/namei.c:4508 [inline] open_last_lookups fs/namei.c:4608 [inline] path_openat+0x133a/0x3830 fs/namei.c:4860 do_file_open+0x23e/0x4a0 fs/namei.c:4892 do_sys_openat2+0x115/0x200 fs/open.c:1368 do_sys_open fs/open.c:1374 [inline] __do_sys_openat fs/open.c:1390 [inline] __se_sys_openat fs/open.c:1385 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1385 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fea9eb9de99 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:00007fea9fa39fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fea9ee26090 RCX: 00007fea9eb9de99 RDX: 000000000000275a RSI: 0000200000000000 RDI: ffffffffffffff9c RBP: 00007fea9ec33eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fea9ee26128 R14: 00007fea9ee26090 R15: 00007fff71fe4228 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1cc3/0x1d10 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 40 a8 2c 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 22 0f 6a 01 48 83 c4 10 90 <0f> 0b e8 86 1d 5b fe 4c 89 ef 48 c7 c6 20 b0 2c 8c e8 a7 2a bc fd RSP: 0018:ffffc9000ef5f240 EFLAGS: 00010282 RAX: 469ee7687e6a0700 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90020802000 RSI: 0000000000026cf0 RDI: 0000000000026cf1 RBP: ffffc9000ef5f380 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1d3ca24 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff9200020985a R15: ffffc9000104c2d2 FS: 00007fea9fa3a6c0(0000) GS:ffff88808c545000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 000000001c7cf000 CR4: 0000000000352ef0