Locker's tblock: ffffc90002691c90: 8a623980 ffffffff 00000200 00000000 Locker's tblock: ffffc90002691ca0: 02691ca0 ffffc900 02691ca0 ffffc900 Locker's tblock: ffffc90002691cb0: 00000004 0000001c 00000008 00000000 Tlock: ffffc900028b2630: 00010015 20208040 619664d8 ffff8880 Tlock: ffffc900028b2640: 6087a930 ffff8880 03140000 05002000 Tlock: ffffc900028b2650: 06030a00 0000020d 00000000 00000000 Tlock: ffffc900028b2660: 00000000 00000000 00000000 00000000 Tlock: ffffc900028b2670: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:835! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5405 Comm: syz.3.68 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txLock+0x1aff/0x1b20 fs/jfs/jfs_txnmgr.c:835 Code: 3f 62 8a 48 c7 c6 c0 3f 62 8a ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4d 89 f1 6a 00 6a 48 e8 85 ec 10 01 48 83 c4 10 <0f> 0b e8 8a c5 a6 fe 48 89 ef 48 c7 c6 20 46 62 8a e8 fb a7 d9 fe RSP: 0018:ffffc900035cf3d0 EFLAGS: 00010282 RAX: 69b7d453bda93300 RBX: 000000000000000b RCX: ffff888021735940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900028b2632 R08: ffffc900035ced47 R09: 1ffff920006b9da8 R10: dffffc0000000000 R11: fffff520006b9da9 R12: 1ffff920005164c6 R13: dffffc0000000000 R14: ffffc900028b2630 R15: 0000000000000010 FS: 00007f5910e436c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5910e42ff8 CR3: 00000000570f3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dtInsert+0x8c5/0x57e0 fs/jfs/jfs_dtree.c:884 jfs_create+0x729/0xae0 fs/jfs/namei.c:137 lookup_open fs/namei.c:3470 [inline] open_last_lookups fs/namei.c:3540 [inline] path_openat+0x120a/0x2fb0 fs/namei.c:3747 do_filp_open+0x1df/0x400 fs/namei.c:3777 do_sys_openat2+0x14b/0x500 fs/open.c:1255 do_sys_open fs/open.c:1271 [inline] __do_sys_openat fs/open.c:1287 [inline] __se_sys_openat fs/open.c:1282 [inline] __x64_sys_openat+0x135/0x160 fs/open.c:1282 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5911bee569 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:00007f5910e43028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5911dbc080 RCX: 00007f5911bee569 RDX: 000000000000275a RSI: 00000000200010c0 RDI: ffffffffffffff9c RBP: 00007f5911c717af R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5911dbc080 R15: 00007ffd7e5e5ad8 Modules linked in: ---[ end trace 86f57dd9964cb870 ]--- RIP: 0010:txLock+0x1aff/0x1b20 fs/jfs/jfs_txnmgr.c:835 Code: 3f 62 8a 48 c7 c6 c0 3f 62 8a ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4d 89 f1 6a 00 6a 48 e8 85 ec 10 01 48 83 c4 10 <0f> 0b e8 8a c5 a6 fe 48 89 ef 48 c7 c6 20 46 62 8a e8 fb a7 d9 fe RSP: 0018:ffffc900035cf3d0 EFLAGS: 00010282 RAX: 69b7d453bda93300 RBX: 000000000000000b RCX: ffff888021735940 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900028b2632 R08: ffffc900035ced47 R09: 1ffff920006b9da8 R10: dffffc0000000000 R11: fffff520006b9da9 R12: 1ffff920005164c6 R13: dffffc0000000000 R14: ffffc900028b2630 R15: 0000000000000010 FS: 00007f5910e436c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5910e42ff8 CR3: 00000000570f3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400