Locker's tblock: ffffc900026612f0: 00000000 00000000 00000000 00000000 Locker's tblock: ffffc90002661300: 8b424840 ffffffff 00000200 00000000 Locker's tblock: ffffc90002661310: 02661310 ffffc900 02661310 ffffc900 Locker's tblock: ffffc90002661320: 00000004 0000001c 00000008 00000000 Tlock: ffffc900028820d8: 00010002 20208040 6354ec98 ffff8880 Tlock: ffffc900028820e8: 649e2930 ffff8880 03140000 05002000 Tlock: ffffc900028820f8: 06030a00 0000020d 00000000 00000000 Tlock: ffffc90002882108: 00000000 00000000 00000000 00000000 Tlock: ffffc90002882118: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:834! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5622 Comm: syz-executor.5 Not tainted 6.6.0-rc2-syzkaller-00048-g42dc814987c1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:txLock+0x1ecc/0x21a0 fs/jfs/jfs_txnmgr.c:834 Code: 8b 48 c7 c6 80 4e 42 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 20 6a 00 6a 48 e8 48 a0 2b 01 48 83 c4 10 <0f> 0b e8 0d f5 7a fe 4c 89 f7 48 c7 c6 80 56 42 8b e8 ce cb bc fe RSP: 0018:ffffc9000584f0e0 EFLAGS: 00010282 RAX: 646500892a430600 RBX: 0000000000000010 RCX: ffff88801e8bd940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000584f230 R08: ffffffff81710a1c R09: 1ffff92000b09d38 R10: dffffc0000000000 R11: fffff52000b09d39 R12: 1ffff9200051041b R13: ffff8880649e1280 R14: 000000000000001b R15: ffffc900028820da FS: 00007f3de2c4d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561308976000 CR3: 0000000063f66000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dtInsert+0xb0a/0x6b00 fs/jfs/jfs_dtree.c:876 jfs_create+0x7b6/0xb90 fs/jfs/namei.c:137 lookup_open fs/namei.c:3495 [inline] open_last_lookups fs/namei.c:3563 [inline] path_openat+0x13e7/0x3180 fs/namei.c:3793 do_filp_open+0x234/0x490 fs/namei.c:3823 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3de1e7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3de2c4d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f3de1f9c050 RCX: 00007f3de1e7cae9 RDX: 000000000000275a RSI: 00000000200010c0 RDI: ffffffffffffff9c RBP: 00007f3de1ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f3de1f9c050 R15: 00007ffce63c78a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1ecc/0x21a0 fs/jfs/jfs_txnmgr.c:834 Code: 8b 48 c7 c6 80 4e 42 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 20 6a 00 6a 48 e8 48 a0 2b 01 48 83 c4 10 <0f> 0b e8 0d f5 7a fe 4c 89 f7 48 c7 c6 80 56 42 8b e8 ce cb bc fe RSP: 0018:ffffc9000584f0e0 EFLAGS: 00010282 RAX: 646500892a430600 RBX: 0000000000000010 RCX: ffff88801e8bd940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000584f230 R08: ffffffff81710a1c R09: 1ffff92000b09d38 R10: dffffc0000000000 R11: fffff52000b09d39 R12: 1ffff9200051041b R13: ffff8880649e1280 R14: 000000000000001b R15: ffffc900028820da FS: 00007f3de2c4d6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561308976000 CR3: 0000000063f66000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400