ip: ffff888047a23c78: ffffffff ffffffff 9a4be670 ffffffff ip: ffff888047a23c88: 00000000 00000000 00000000 00000000 ip: ffff888047a23c98: 8bde86c0 ffffffff 00000300 00000000 ip: ffff888047a23ca8: 00000000 00000000 00000000 00000000 ip: ffff888047a23cb8: 00000000 00000000 00000000 dead4ead ip: ffff888047a23cc8: ffffffff 00000000 ffffffff ffffffff ip: ffff888047a23cd8: 933fc320 ffffffff 00000000 00000000 ip: ffff888047a23ce8: 00000000 00000000 8bcce680 ffffffff ip: ffff888047a23cf8: 00000200 00000000 00000000 00000000 ip: ffff888047a23d08: 47a23ca8 ffff8880 9a4be660 ffffffff ip: ffff888047a23d18: 00000000 00000000 00000000 00000000 ip: ffff888047a23d28: 8bde8680 ffffffff 00000400 00000000 ip: ffff888047a23d38: 47a23d38 ffff8880 47a23d38 ffff8880 ip: ffff888047a23d48: 0000000a 00000000 00000000 00000000 ip: ffff888047a23d58: 00000000 00000000 00000000 00000000 mp: ffff888000214c98: 00001000 00000004 00006754 00000000 mp: ffff888000214ca8: 00214bb0 ffff8880 00215108 ffff8880 mp: ffff888000214cb8: 00000005 00000000 00000001 00000000 mp: ffff888000214cc8: 1aa4a000 ffff8880 0000072c 00000000 mp: ffff888000214cd8: 00000000 dead4ead ffffffff 00000000 mp: ffff888000214ce8: ffffffff ffffffff 9a5b4600 ffffffff mp: ffff888000214cf8: 93e878a0 ffffffff 00000000 00000000 mp: ffff888000214d08: 8c0c16a0 ffffffff 00000300 00000000 mp: ffff888000214d18: 00214d18 ffff8880 00214d18 ffff8880 mp: ffff888000214d28: 006a9280 ffffea00 36d04000 ffff8880 mp: ffff888000214d38: 00001000 0001d7b0 00000001 00000000 mp: ffff888000214d48: 42c02000 ffff8880 Locker's tblock: ffffc90000e99440: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000e99450: 00e99450 ffffc900 00e99450 ffffc900 Locker's tblock: ffffc90000e99460: 36d04000 ffff8880 00090009 00000000 Locker's tblock: ffffc90000e99470: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e99480: ffffffff ffffffff 9a5b4800 ffffffff Locker's tblock: ffffc90000e99490: 93e88520 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e994a0: 8c0c2b60 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e994b0: 00e994b0 ffffc900 00e994b0 ffffc900 Locker's tblock: ffffc90000e994c0: 0000016f 00000000 00000100 dead0000 Locker's tblock: ffffc90000e994d0: 00000122 dead0000 0001d348 00000000 Locker's tblock: ffffc90000e994e0: 1271c700 ffff8880 0000001d 00000348 Locker's tblock: ffffc90000e994f0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e99500: ffffffff ffffffff 9a5b47e0 ffffffff Locker's tblock: ffffc90000e99510: 93e88a98 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e99520: 8c0c2b20 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e99530: 00e99530 ffffc900 00e99530 ffffc900 Locker's tblock: ffffc90000e99540: 00000004 0000001c 00000009 00000000 Tlock: ffffc90001036120: 00030005 40048884 00214c98 ffff8880 Tlock: ffffc90001036130: 47a22778 ffff8880 01140000 01000008 Tlock: ffffc90001036140: 1aa4a640 ffff8880 00000001 0000072c Tlock: ffffc90001036150: 00000000 00000000 00000000 00000000 Tlock: ffffc90001036160: 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: 5336 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 80 31 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 4b 4c 4f 01 48 83 c4 10 90 <0f> 0b e8 8f 13 61 fe 4c 89 ff 48 c7 c6 60 39 0c 8c e8 40 5b c3 fd RSP: 0018:ffffc9000fc8f140 EFLAGS: 00010282 RAX: ecc25bfec93d1c00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 0000000000026630 RDI: 0000000000026631 RBP: ffffc9000fc8f278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd220 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000206c24 R15: ffffc90001036122 FS: 00007f67f04d86c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000075000 CR3: 0000000012b0a000 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+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f67ef59ce59 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:00007f67f04d7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f67ef816090 RCX: 00007f67ef59ce59 RDX: 000000000000275a RSI: 0000200000000200 RDI: ffffffffffffff9c RBP: 00007f67ef632d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f67ef816128 R14: 00007f67ef816090 R15: 00007ffde27c7488 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 80 31 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 4b 4c 4f 01 48 83 c4 10 90 <0f> 0b e8 8f 13 61 fe 4c 89 ff 48 c7 c6 60 39 0c 8c e8 40 5b c3 fd RSP: 0018:ffffc9000fc8f140 EFLAGS: 00010282 RAX: ecc25bfec93d1c00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 0000000000026630 RDI: 0000000000026631 RBP: ffffc9000fc8f278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd220 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000206c24 R15: ffffc90001036122 FS: 00007f67f04d86c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000075000 CR3: 0000000012b0a000 CR4: 0000000000352ef0