kernel BUG at fs/ocfs2/alloc.c:6002! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5011 Comm: kworker/u4:12 Not tainted 5.15.173-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 4a 57 9a fe e9 7d fb ff ff e8 a0 7e 50 fe 0f 0b e8 99 7e 50 fe <0f> 0b 65 44 8b 2d 47 20 d2 7c bf 07 00 00 00 44 89 ee e8 e2 81 50 RSP: 0018:ffffc900036579a0 EFLAGS: 00010293 RAX: ffffffff832ff507 RBX: 00000000ffffffff RCX: ffff88801ef03b80 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc90003657bb0 R08: ffffffff832fe65e R09: fffff520006caf1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003657ac0 R13: ffff88805ff44fb8 R14: ffff88805b313a00 R15: ffff88802c4c5c00 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f58b51c7ba8 CR3: 0000000063424000 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 960b1850d21924ca ]--- 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 4a 57 9a fe e9 7d fb ff ff e8 a0 7e 50 fe 0f 0b e8 99 7e 50 fe <0f> 0b 65 44 8b 2d 47 20 d2 7c bf 07 00 00 00 44 89 ee e8 e2 81 50 RSP: 0018:ffffc900036579a0 EFLAGS: 00010293 RAX: ffffffff832ff507 RBX: 00000000ffffffff RCX: ffff88801ef03b80 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffffc90003657bb0 R08: ffffffff832fe65e R09: fffff520006caf1d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90003657ac0 R13: ffff88805ff44fb8 R14: ffff88805b313a00 R15: ffff88802c4c5c00 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0cf28a1440 CR3: 000000002b675000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400