ip: ffff888047b83e00: 9a30f4b0 ffffffff 00000000 00000000 ip: ffff888047b83e10: 00000000 00000000 8bde49c0 ffffffff ip: ffff888047b83e20: 00000300 00000000 00000000 00000000 ip: ffff888047b83e30: 00000000 00000000 00000000 00000000 ip: ffff888047b83e40: 00000000 dead4ead ffffffff 00000000 ip: ffff888047b83e50: ffffffff ffffffff 9324d3d0 ffffffff ip: ffff888047b83e60: 00000000 00000000 00000000 00000000 ip: ffff888047b83e70: 8bccea40 ffffffff 00000200 00000000 ip: ffff888047b83e80: 47b83e80 ffff8880 47b83e80 ffff8880 ip: ffff888047b83e90: 47b83e28 ffff8880 9a30f4a0 ffffffff ip: ffff888047b83ea0: 00000000 00000000 00000000 00000000 ip: ffff888047b83eb0: 8bde4980 ffffffff 00000400 00000000 ip: ffff888047b83ec0: 47b83ec0 ffff8880 47b83ec0 ffff8880 ip: ffff888047b83ed0: 00000004 00000000 00000000 00000000 ip: ffff888047b83ee0: 00000000 00000000 00000000 00000000 mp: ffff8880003ca6c8: 00001000 00000007 00003a1c 00000000 mp: ffff8880003ca6d8: 00f09340 ffffc900 003cb010 ffff8880 mp: ffff8880003ca6e8: 00000005 00000000 00000001 00000000 mp: ffff8880003ca6f8: 407c7000 ffff8880 0000072c 00000000 mp: ffff8880003ca708: 00000000 dead4ead ffffffff 00000000 mp: ffff8880003ca718: ffffffff ffffffff 9a405280 ffffffff mp: ffff8880003ca728: 93cd8940 ffffffff 00000000 00000000 mp: ffff8880003ca738: 8c0b65e0 ffffffff 00000300 00000000 mp: ffff8880003ca748: 003ca748 ffff8880 003ca748 ffff8880 mp: ffff8880003ca758: 0101f1c0 ffffea00 1abf8000 ffff8880 mp: ffff8880003ca768: 00001000 000076e8 00000001 00000000 mp: ffff8880003ca778: 42d42800 ffff8880 Locker's tblock: ffffc90000f09440: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000f09450: 00000100 dead0000 00000122 dead0000 Locker's tblock: ffffc90000f09460: 1abf8000 ffff8880 00090009 00000000 Locker's tblock: ffffc90000f09470: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000f09480: ffffffff ffffffff 9a405480 ffffffff Locker's tblock: ffffc90000f09490: 93cd9b38 ffffffff 00000000 00000000 Locker's tblock: ffffc90000f094a0: 8c0b7aa0 ffffffff 00000300 00000000 Locker's tblock: ffffc90000f094b0: 00f094b0 ffffc900 00f094b0 ffffc900 Locker's tblock: ffffc90000f094c0: 00000035 00000000 00000100 dead0000 Locker's tblock: ffffc90000f094d0: 00000122 dead0000 000076e8 00000000 Locker's tblock: ffffc90000f094e0: 326cb900 ffff8880 00000007 000006e8 Locker's tblock: ffffc90000f094f0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000f09500: ffffffff ffffffff 9a405460 ffffffff Locker's tblock: ffffc90000f09510: 93cd9a70 ffffffff 00000000 00000000 Locker's tblock: ffffc90000f09520: 8c0b7a60 ffffffff 00000300 00000000 Locker's tblock: ffffc90000f09530: 00f09530 ffffc900 00f09530 ffffc900 Locker's tblock: ffffc90000f09540: 00000004 0000072c 00001001 00000000 Tlock: ffffc900010a71f8: 00030000 80018804 003ca6c8 ffff8880 Tlock: ffffc900010a7208: 47b843a0 ffff8880 01140000 07002000 Tlock: ffffc900010a7218: 010a0100 ffffc900 0000001f 00000e20 Tlock: ffffc900010a7228: 00000000 00000000 00000000 00000000 Tlock: ffffc900010a7238: 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: 5326 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 c0 80 0b 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 9b 05 51 01 48 83 c4 10 90 <0f> 0b e8 2f 3c 64 fe 4c 89 ff 48 c7 c6 a0 88 0b 8c e8 60 af c6 fd RSP: 0018:ffffc9000f60f140 EFLAGS: 00010282 RAX: 4ccb6b6ee4f2a400 RBX: dffffc0000000000 RCX: ffff888037330000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000f60f278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd550 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000214e3f R15: ffffc900010a71fa FS: 00007f3bf6c8c6c0(0000) GS:ffff88808ca40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 0000000041ebe000 CR4: 0000000000352ef0 Call Trace: dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline] dtInsert+0xf19/0x5f10 fs/jfs/jfs_dtree.c:871 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: 0033:0x7f3bf5d9c819 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:00007f3bf6c8bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f3bf6016090 RCX: 00007f3bf5d9c819 RDX: 00000000000026e1 RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007f3bf5e32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3bf6016128 R14: 00007f3bf6016090 R15: 00007ffc891ee628 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 c0 80 0b 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 9b 05 51 01 48 83 c4 10 90 <0f> 0b e8 2f 3c 64 fe 4c 89 ff 48 c7 c6 a0 88 0b 8c e8 60 af c6 fd RSP: 0018:ffffc9000f60f140 EFLAGS: 00010282 RAX: 4ccb6b6ee4f2a400 RBX: dffffc0000000000 RCX: ffff888037330000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000f60f278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cbd550 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff92000214e3f R15: ffffc900010a71fa FS: 00007f3bf6c8c6c0(0000) GS:ffff88808ca40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 0000000041ebe000 CR4: 0000000000352ef0