... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... BUG at fs/jfs/jfs_txnmgr.c:933 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:933! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 7105 Comm: syz.0.176 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:txUnlock+0xd6c/0xdb0 fs/jfs/jfs_txnmgr.c:933 Code: c8 fd 90 0f 0b e8 a4 28 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba a5 03 00 00 48 c7 c1 a0 f8 8b 8b e8 c5 81 c8 fd 90 <0f> 0b e8 7d 28 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba RSP: 0018:ffffc900065cf790 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88803175b358 RCX: ddeb973ac4e29700 RDX: ffffc900049a9000 RSI: 00000000000492ed RDI: 00000000000492ee RBP: 1ffff110062eb66b R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124903 R12: ffffc900033992d0 R13: dffffc0000000000 R14: 000000000000005a R15: 0000000000000000 FS: 00007f07b1a0e6c0(0000) GS:ffff888126244000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001149a000 CR4: 00000000003526f0 Call Trace: txCommit+0x4faf/0x54a0 fs/jfs/jfs_txnmgr.c:1337 jfs_truncate_nolock+0x22f/0x340 fs/jfs/inode.c:407 jfs_truncate fs/jfs/inode.c:420 [inline] jfs_write_failed fs/jfs/inode.c:295 [inline] jfs_write_end+0x16a/0x1f0 fs/jfs/inode.c:322 generic_perform_write+0x5f8/0x8b0 mm/filemap.c:4384 generic_file_write_iter+0xaf/0x330 mm/filemap.c:4506 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61e/0xbb0 fs/read_write.c:687 ksys_write+0x156/0x270 fs/read_write.c:739 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: 0033:0x7f07b37bce59 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:00007f07b1a0e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f07b3a35fa0 RCX: 00007f07b37bce59 RDX: 00000000fffffe69 RSI: 0000200000000400 RDI: 0000000000000005 RBP: 00007f07b3852e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f07b3a36038 R14: 00007f07b3a35fa0 R15: 00007ffc25e9cc28 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xd6c/0xdb0 fs/jfs/jfs_txnmgr.c:933 Code: c8 fd 90 0f 0b e8 a4 28 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba a5 03 00 00 48 c7 c1 a0 f8 8b 8b e8 c5 81 c8 fd 90 <0f> 0b e8 7d 28 66 fe 48 c7 c7 60 eb 8b 8b 48 c7 c6 59 e7 8b 8b ba RSP: 0018:ffffc900065cf790 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88803175b358 RCX: ddeb973ac4e29700 RDX: ffffc900049a9000 RSI: 00000000000492ed RDI: 00000000000492ee RBP: 1ffff110062eb66b R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1017124903 R12: ffffc900033992d0 R13: dffffc0000000000 R14: 000000000000005a R15: 0000000000000000 FS: 00007f07b1a0e6c0(0000) GS:ffff888126244000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f6d3cc000 CR3: 000000001149a000 CR4: 00000000003526f0