ip: ffff8880558abcb8: 9a4ca670 ffffffff 00000000 00000000 ip: ffff8880558abcc8: 00000000 00000000 8bde8680 ffffffff ip: ffff8880558abcd8: 00000300 00000000 00000000 00000000 ip: ffff8880558abce8: 00000000 00000000 00000000 00000000 ip: ffff8880558abcf8: 00000000 dead4ead ffffffff 00000000 ip: ffff8880558abd08: ffffffff ffffffff 93408320 ffffffff ip: ffff8880558abd18: 00000000 00000000 00000000 00000000 ip: ffff8880558abd28: 8bcce6e0 ffffffff 00000200 00000000 ip: ffff8880558abd38: 00000000 00000000 558abce0 ffff8880 ip: ffff8880558abd48: 9a4ca660 ffffffff 00000000 00000000 ip: ffff8880558abd58: 00000000 00000000 8bde8640 ffffffff ip: ffff8880558abd68: 00000400 00000000 558abd70 ffff8880 ip: ffff8880558abd78: 558abd70 ffff8880 00000006 00000000 ip: ffff8880558abd88: 00000000 00000000 00000000 00000000 ip: ffff8880558abd98: 00000000 00000000 mp: ffff888000f776c8: 00001000 00000009 000039dc 00000000 mp: ffff888000f776d8: 00e49340 ffffc900 00f78010 ffff8880 mp: ffff888000f776e8: 00000005 00000000 00000001 00000000 mp: ffff888000f776f8: 41019000 ffff8880 0000072c 00000000 mp: ffff888000f77708: 00000000 dead4ead ffffffff 00000000 mp: ffff888000f77718: ffffffff ffffffff 9a5c0540 ffffffff mp: ffff888000f77728: 93e94390 ffffffff 00000000 00000000 mp: ffff888000f77738: 8c0c00a0 ffffffff 00000300 00000000 mp: ffff888000f77748: 00f77748 ffff8880 00f77748 ffff8880 mp: ffff888000f77758: 01040640 ffffea00 39480000 ffff8880 mp: ffff888000f77768: 00001000 0000418c 00000001 00000000 mp: ffff888000f77778: 42b55000 ffff8880 Locker's tblock: ffffc90000e49220: 00000400 00000000 00000000 00000000 Locker's tblock: ffffc90000e49230: 00e49230 ffffc900 00e49230 ffffc900 Locker's tblock: ffffc90000e49240: 39480000 ffff8880 00080008 00000000 Locker's tblock: ffffc90000e49250: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e49260: ffffffff ffffffff 9a5c0740 ffffffff Locker's tblock: ffffc90000e49270: 93e950d8 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e49280: 8c0c1560 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e49290: 00e49290 ffffc900 00e49290 ffffc900 Locker's tblock: ffffc90000e492a0: 00000009 00000000 00000100 dead0000 Locker's tblock: ffffc90000e492b0: 00000122 dead0000 00003d98 00000000 Locker's tblock: ffffc90000e492c0: 43e8ca00 ffff8880 00000003 00000d98 Locker's tblock: ffffc90000e492d0: 00000000 dead4ead ffffffff 00000000 Locker's tblock: ffffc90000e492e0: ffffffff ffffffff 9a5c0720 ffffffff Locker's tblock: ffffc90000e492f0: 93e95010 ffffffff 00000000 00000000 Locker's tblock: ffffc90000e49300: 8c0c1520 ffffffff 00000300 00000000 Locker's tblock: ffffc90000e49310: 00e49310 ffffc900 00e49310 ffffc900 Locker's tblock: ffffc90000e49320: 00000004 0000072c 00001002 00000000 Tlock: ffffc90000fe6288: 00030000 80018804 00f776c8 ffff8880 Tlock: ffffc90000fe6298: 558ac238 ffff8880 01140000 07002000 Tlock: ffffc90000fe62a8: 558a0104 ffff8880 00000000 01000001 Tlock: ffffc90000fe62b8: 00000001 00000734 00000000 00000000 Tlock: ffffc90000fe62c8: 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: 5338 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 1b 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 bb 2b 50 01 48 83 c4 10 90 <0f> 0b e8 af c7 61 fe 4c 89 ff 48 c7 c6 60 23 0c 8c e8 90 1b c4 fd RSP: 0018:ffffc9000f797140 EFLAGS: 00010282 RAX: a287962579c99b00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000eeda000 RSI: 00000000000269a9 RDI: 00000000000269aa RBP: ffffc9000f797278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd250 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920001fcc51 R15: ffffc90000fe628a FS: 00007f8112d1f6c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 000000004451f000 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+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8111d9cdd9 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:00007f8112d1efe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f8112015fa0 RCX: 00007f8111d9cdd9 RDX: 0000000000101042 RSI: 0000200000000040 RDI: ffffffffffffff9c RBP: 00007f8111e32d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8112016038 R14: 00007f8112015fa0 R15: 00007ffc00c58ad8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:836 Code: 48 c7 c6 80 1b 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 bb 2b 50 01 48 83 c4 10 90 <0f> 0b e8 af c7 61 fe 4c 89 ff 48 c7 c6 60 23 0c 8c e8 90 1b c4 fd RSP: 0018:ffffc9000f797140 EFLAGS: 00010282 RAX: a287962579c99b00 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000eeda000 RSI: 00000000000269a9 RDI: 00000000000269aa RBP: ffffc9000f797278 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1cfd250 R12: 0000000000000010 R13: dffffc0000000000 R14: 1ffff920001fcc51 R15: ffffc90000fe628a FS: 00007f8112d1f6c0(0000) GS:ffff88808c885000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000040 CR3: 000000004451f000 CR4: 0000000000352ef0