ip: ffff88804696bc78: ffffffff ffffffff 9a4bb670 ffffffff ip: ffff88804696bc88: 00000000 00000000 00000000 00000000 ip: ffff88804696bc98: 8bde86c0 ffffffff 00000300 00000000 ip: ffff88804696bca8: 00000000 00000000 00000000 00000000 ip: ffff88804696bcb8: 00000000 00000000 00000000 dead4ead ip: ffff88804696bcc8: ffffffff 00000000 ffffffff ffffffff ip: ffff88804696bcd8: 933f9320 ffffffff 00000000 00000000 ip: ffff88804696bce8: 00000000 00000000 8bcce680 ffffffff ip: ffff88804696bcf8: 00000200 00000000 00000000 00000000 ip: ffff88804696bd08: 4696bca8 ffff8880 9a4bb660 ffffffff ip: ffff88804696bd18: 00000000 00000000 00000000 00000000 ip: ffff88804696bd28: 8bde8680 ffffffff 00000400 00000000 ip: ffff88804696bd38: 4696bd38 ffff8880 4696bd38 ffff8880 ip: ffff88804696bd48: 00000004 00000000 00000000 00000000 ip: ffff88804696bd58: 00000000 00000000 00000000 00000000 mp: ffff8880002ea6c8: 00001000 00000009 00003994 00000000 mp: ffff8880002ea6d8: 00e59340 ffffc900 002eb010 ffff8880 mp: ffff8880002ea6e8: 00000005 00000000 00000001 00000000 mp: ffff8880002ea6f8: 38e1a000 ffff8880 0000072c 00000000 mp: ffff8880002ea708: 00000000 dead4ead ffffffff 00000000 mp: ffff8880002ea718: ffffffff ffffffff 9a5b1600 ffffffff mp: ffff8880002ea728: 93e84bc0 ffffffff 00000000 00000000 mp: ffff8880002ea738: 8c0c17a0 ffffffff 00000300 00000000 mp: ffff8880002ea748: 002ea748 ffff8880 002ea748 ffff8880 mp: ffff8880002ea758: 00e38680 ffffea00 1239c000 ffff8880 mp: ffff8880002ea768: 00001000 00008bf4 00000001 00000000 mp: ffff8880002ea778: 41c00000 ffff8880 Locker's tblock: ffffc90000e59220: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000e59230: 00e59230 ffffc900 00e59230 ffffc900 Locker's tblock: ffffc90000e59240: 1239c000 ffff8880 00080008 00000000 Locker's tblock: ffffc90000e59250: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e59260: ffffffff ffffffff 9a5b1800 ffffffff Locker's tblock: ffffc90000e59270: 93e859d0 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e59280: 8c0c2c60 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e59290: 00e59290 ffffc900 00e59290 ffffc900 Locker's tblock: ffffc90000e592a0: 00000068 00000000 00000100 dead0000 Locker's tblock: ffffc90000e592b0: 00000122 dead0000 00003d30 00000000 Locker's tblock: ffffc90000e592c0: 13247800 ffff8880 00000003 00000d30 Locker's tblock: ffffc90000e592d0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e592e0: ffffffff ffffffff 9a5b17e0 ffffffff Locker's tblock: ffffc90000e592f0: 93e85908 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e59300: 8c0c2c20 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e59310: 00e59310 ffffc900 00e59310 ffffc900 Locker's tblock: ffffc90000e59320: 00000004 0000072c 00001002 00000000 Tlock: ffffc90000ff6288: 00030000 80018804 002ea6c8 ffff8880 Tlock: ffffc90000ff6298: 4696c200 ffff8880 01140000 07002000 Tlock: ffffc90000ff62a8: 00000104 00000000 00000000 00000000 Tlock: ffffc90000ff62b8: 00000000 00000000 00000000 00000000 Tlock: ffffc90000ff62c8: 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: 5332 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 32 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 2b 4c 4f 01 48 83 c4 10 90 <0f> 0b e8 cf 0d 61 fe 4c 89 ff 48 c7 c6 60 3a 0c 8c e8 80 54 c3 fd RSP: 0018:ffffc9000d087140 EFLAGS: 00010282 RAX: 449d9452297e0200 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021804000 RSI: 0000000000026620 RDI: 0000000000026621 RBP: ffffc9000d087278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd240 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920001fec51 R15: ffffc90000ff628a FS: 00007f10a4d796c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10a4d78fe8 CR3: 000000001320f000 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: 0033:0x7f10a3f9ce59 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:00007f10a4d78fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f10a4216270 RCX: 00007f10a3f9ce59 RDX: 000000000000275a RSI: 0000200000000140 RDI: ffffffffffffff9c RBP: 00007f10a4032d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10a4216308 R14: 00007f10a4216270 R15: 00007ffc367591e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 80 32 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 2b 4c 4f 01 48 83 c4 10 90 <0f> 0b e8 cf 0d 61 fe 4c 89 ff 48 c7 c6 60 3a 0c 8c e8 80 54 c3 fd RSP: 0018:ffffc9000d087140 EFLAGS: 00010282 RAX: 449d9452297e0200 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc90021804000 RSI: 0000000000026620 RDI: 0000000000026621 RBP: ffffc9000d087278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd240 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920001fec51 R15: ffffc90000ff628a FS: 00007f10a4d796c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10a4d78fe8 CR3: 000000001320f000 CR4: 0000000000352ef0