Locker's tblock: ffffc900026c9320: 00000000 00000000 00000000 00000000 Tlock: ffffc900028ea0d8: 00010000 80018000 54cbfc98 ffff8880 Tlock: ffffc900028ea0e8: 556628d0 ffff8880 01140000 07002000 Tlock: ffffc900028ea0f8: 0000011c 00000000 00000000 00000000 Tlock: ffffc900028ea108: 00000000 00000000 00000000 00000000 Tlock: ffffc900028ea118: 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: 6178 Comm: syz.4.74 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:txLock+0x1b33/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 89 e9 41 b8 04 00 00 00 b9 10 00 00 00 6a 00 ba 01 00 00 00 48 c7 c6 c0 c3 ce 8b 48 c7 c7 00 c3 ce 8b 6a 48 e8 de 80 59 01 90 <0f> 0b e8 36 de d3 fe e9 e9 e6 ff ff e8 5c de d3 fe e9 d5 e7 ff ff RSP: 0018:ffffc9000b057870 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8e9a87a0 RCX: ffffc9000e291000 RDX: fffff5200160aee3 RSI: ffffffff84a98a92 RDI: 0000000000000006 RBP: ffff8880556628d0 R08: 0000000000000006 R09: 0000000000000050 R10: 0000000000000048 R11: 0000000000000000 R12: 0000000000000003 R13: ffffc900028ea0d8 R14: 0000000000000002 R15: ffff888054cbfc98 FS: 00007fc14f5666c0(0000) GS:ffff888124ae0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff94f72ff8 CR3: 0000000054add000 CR4: 0000000000350ef0 Call Trace: diWrite+0x349/0x1ba0 fs/jfs/jfs_imap.c:654 txCommit+0x6d5/0x4d40 fs/jfs/jfs_txnmgr.c:1256 jfs_commit_inode+0x450/0x570 fs/jfs/inode.c:114 jfs_fsync+0x12a/0x210 fs/jfs/file.c:37 vfs_fsync_range+0x139/0x220 fs/sync.c:187 generic_write_sync include/linux/fs.h:3046 [inline] generic_file_write_iter+0x305/0x3c0 mm/filemap.c:4389 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d3/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc14e78eec9 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:00007fc14f566038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc14e9e6090 RCX: 00007fc14e78eec9 RDX: 000000000000045c RSI: 00002000000007c0 RDI: 0000000000000004 RBP: 00007fc14e811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc14e9e6128 R14: 00007fc14e9e6090 R15: 00007ffc1a389428 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1b33/0x1cb0 fs/jfs/jfs_txnmgr.c:835 Code: 89 e9 41 b8 04 00 00 00 b9 10 00 00 00 6a 00 ba 01 00 00 00 48 c7 c6 c0 c3 ce 8b 48 c7 c7 00 c3 ce 8b 6a 48 e8 de 80 59 01 90 <0f> 0b e8 36 de d3 fe e9 e9 e6 ff ff e8 5c de d3 fe e9 d5 e7 ff ff RSP: 0018:ffffc9000b057870 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8e9a87a0 RCX: ffffc9000e291000 RDX: fffff5200160aee3 RSI: ffffffff84a98a92 RDI: 0000000000000006 RBP: ffff8880556628d0 R08: 0000000000000006 R09: 0000000000000050 R10: 0000000000000048 R11: 0000000000000000 R12: 0000000000000003 R13: ffffc900028ea0d8 R14: 0000000000000002 R15: ffff888054cbfc98 FS: 00007fc14f5666c0(0000) GS:ffff888124ae0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff94f72ff8 CR3: 0000000054add000 CR4: 0000000000350ef0