Locker's tblock: ffffc900026891e0: 90cae620 ffffffff 00000000 00000000 Locker's tblock: ffffc900026891f0: 8b469380 ffffffff 00000200 00000000 Locker's tblock: ffffc90002689200: 02689200 ffffc900 02689200 ffffc900 Locker's tblock: ffffc90002689210: 00000004 0000001c 00000008 00000000 Tlock: ffffc900028aa1f8: 00030006 20208040 2f8792e8 ffff8880 Tlock: ffffc900028aa208: 70f516b0 ffff8880 03140000 05002000 Tlock: ffffc900028aa218: 06030a00 0000020d 00000000 00000000 Tlock: ffffc900028aa228: 00000000 00000000 00000000 00000000 Tlock: ffffc900028aa238: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:834! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4478 Comm: syz.0.25 Not tainted 6.1.131-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:txLock+0x1ec8/0x21a0 fs/jfs/jfs_txnmgr.c:834 Code: 8b 48 c7 c6 c0 99 46 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 8c cb 2f 01 48 83 c4 10 <0f> 0b e8 91 40 76 fe 4c 89 f7 48 c7 c6 c0 a1 46 8b e8 02 ce b5 fe RSP: 0018:ffffc900035970c0 EFLAGS: 00010286 RAX: b74e55d84d56bd00 RBX: 0000000000000010 RCX: ffff88802cad1dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003597210 R08: ffffffff816e7f1c R09: fffff520006b2d41 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200051543f R13: ffff888070f50000 R14: 000000000000003f R15: ffffc900028aa1fa FS: 00007fb09cf2d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb09cf2cf98 CR3: 0000000029840000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dtInsert+0xaef/0x6c80 fs/jfs/jfs_dtree.c:883 jfs_create+0x7b2/0xbb0 fs/jfs/namei.c:137 lookup_open fs/namei.c:3482 [inline] open_last_lookups fs/namei.c:3550 [inline] path_openat+0x12f1/0x2e60 fs/namei.c:3780 do_filp_open+0x230/0x480 fs/namei.c:3810 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1345 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb09c18d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb09cf2d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb09c3a6080 RCX: 00007fb09c18d169 RDX: 000000000000275a RSI: 00004000000010c0 RDI: ffffffffffffff9c RBP: 00007fb09c20e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fb09c3a6080 R15: 00007ffd49542a88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1ec8/0x21a0 fs/jfs/jfs_txnmgr.c:834 Code: 8b 48 c7 c6 c0 99 46 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 8c cb 2f 01 48 83 c4 10 <0f> 0b e8 91 40 76 fe 4c 89 f7 48 c7 c6 c0 a1 46 8b e8 02 ce b5 fe RSP: 0018:ffffc900035970c0 EFLAGS: 00010286 RAX: b74e55d84d56bd00 RBX: 0000000000000010 RCX: ffff88802cad1dc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90003597210 R08: ffffffff816e7f1c R09: fffff520006b2d41 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200051543f R13: ffff888070f50000 R14: 000000000000003f R15: ffffc900028aa1fa FS: 00007fb09cf2d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb09cf2cf98 CR3: 0000000029840000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400