Tlock: ffffc9000291a058: 797028d0 ffff8880 01140000 07002000 Tlock: ffffc9000291a068: 0002011c 00000000 00000000 00000000 Tlock: ffffc9000291a078: 00000000 00000000 00000000 00000000 Tlock: ffffc9000291a088: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:835! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 16344 Comm: syz.2.2915 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 20 b7 a4 8b 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 54 a4 49 01 48 83 c4 10 90 <0f> 0b e8 f8 d0 78 fe 4c 89 ff 48 c7 c6 20 bf a4 8b e8 69 2a e1 fd RSP: 0018:ffffc9000cc17580 EFLAGS: 00010282 RAX: d00ed5fce6534b00 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc9000e4b9000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000cc176a8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: 0000000000000002 R13: dffffc0000000000 R14: 1ffff92000523409 R15: ffffc9000291a04a FS: 00007fa31bebd6c0(0000) GS:ffff888125e12000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa31bebcf98 CR3: 0000000052695000 CR4: 0000000000350ef0 Call Trace: diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654 txCommit+0x852/0x5430 fs/jfs/jfs_txnmgr.c:1256 jfs_commit_inode+0x2ef/0x530 fs/jfs/inode.c:114 jfs_fsync+0x17e/0x1d0 fs/jfs/file.c:37 generic_write_sync include/linux/fs.h:3046 [inline] generic_file_write_iter+0x319/0x550 mm/filemap.c:4389 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa31af8eec9 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:00007fa31bebd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa31b1e6090 RCX: 00007fa31af8eec9 RDX: 000000000000045c RSI: 00002000000007c0 RDI: 0000000000000004 RBP: 00007fa31b011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa31b1e6128 R14: 00007fa31b1e6090 R15: 00007fff0612af98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 48 c7 c6 20 b7 a4 8b 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 54 a4 49 01 48 83 c4 10 90 <0f> 0b e8 f8 d0 78 fe 4c 89 ff 48 c7 c6 20 bf a4 8b e8 69 2a e1 fd RSP: 0018:ffffc9000cc17580 EFLAGS: 00010282 RAX: d00ed5fce6534b00 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc9000e4b9000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000cc176a8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: 0000000000000002 R13: dffffc0000000000 R14: 1ffff92000523409 R15: ffffc9000291a04a FS: 00007fa31bebd6c0(0000) GS:ffff888125e12000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa31bebcf98 CR3: 0000000052695000 CR4: 0000000000350ef0