------------[ cut here ]------------ kernel BUG at fs/ocfs2/alloc.c:6002! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4338 Comm: kworker/u4:6 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: ocfs2_wq ocfs2_truncate_log_worker RIP: 0010:__ocfs2_flush_truncate_log+0x1077/0x11c0 fs/ocfs2/alloc.c:6002 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 8a fb ff ff 48 89 df e8 1a 17 90 fe e9 7d fb ff ff e8 90 3a 46 fe 0f 0b e8 89 3a 46 fe <0f> 0b 65 44 8b 2d f7 ca c7 7c bf 07 00 00 00 44 89 ee e8 d2 3d 46 RSP: 0018:ffffc900031df9a0 EFLAGS: 00010293 RAX: ffffffff833a4a57 RBX: 00000000ffffffff RCX: ffff88802add8000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc900031dfbb0 R08: ffffffff833a3bae R09: fffff5200063bf1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900031dfac0 R13: ffff88805fa716b8 R14: ffff88805bc87a00 R15: ffff888023b49800 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555568c53608 CR3: 000000006591a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_flush_truncate_log fs/ocfs2/alloc.c:6067 [inline] ocfs2_truncate_log_worker+0x9e/0x1b0 fs/ocfs2/alloc.c:6080 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 9c2fc3faf5d428e2 ]--- RIP: 0010:__ocfs2_flush_truncate_log+0x1077/0x11c0 fs/ocfs2/alloc.c:6002 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 8a fb ff ff 48 89 df e8 1a 17 90 fe e9 7d fb ff ff e8 90 3a 46 fe 0f 0b e8 89 3a 46 fe <0f> 0b 65 44 8b 2d f7 ca c7 7c bf 07 00 00 00 44 89 ee e8 d2 3d 46 RSP: 0018:ffffc900031df9a0 EFLAGS: 00010293 RAX: ffffffff833a4a57 RBX: 00000000ffffffff RCX: ffff88802add8000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc900031dfbb0 R08: ffffffff833a3bae R09: fffff5200063bf1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900031dfac0 R13: ffff88805fa716b8 R14: ffff88805bc87a00 R15: ffff888023b49800 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10af2c6178 CR3: 0000000065430000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400