------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 30 Comm: kworker/u4:2 Not tainted 6.12.0-rc6-syzkaller-00099-g7758b206117d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444 Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 d7 d2 74 ff e9 93 fb ff ff e8 5d 68 3d 09 e8 08 0c 0b ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000050f1e0 EFLAGS: 00010293 RAX: ffffffff8289ce58 RBX: 0000000000000000 RCX: ffff88801dcbc880 RDX: 0000000000000000 RSI: ffffffff8eb69b80 RDI: 0000000000000000 RBP: ffffc9000050f370 R08: 0000000000000007 R09: ffffffff8289c102 R10: 0000000000000003 R11: ffff88801dcbc880 R12: 1ffff920000a1e40 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888043e714d8 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efea5d33130 CR3: 000000000e734000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723 writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2025 wb_writeback+0x42f/0xbd0 fs/fs-writeback.c:2136 wb_check_background_flush fs/fs-writeback.c:2206 [inline] wb_do_writeback fs/fs-writeback.c:2294 [inline] wb_workfn+0xc58/0x1090 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0xeb9/0xec0 fs/hfs/inode.c:444 Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 d7 d2 74 ff e9 93 fb ff ff e8 5d 68 3d 09 e8 08 0c 0b ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000050f1e0 EFLAGS: 00010293 RAX: ffffffff8289ce58 RBX: 0000000000000000 RCX: ffff88801dcbc880 RDX: 0000000000000000 RSI: ffffffff8eb69b80 RDI: 0000000000000000 RBP: ffffc9000050f370 R08: 0000000000000007 R09: ffffffff8289c102 R10: 0000000000000003 R11: ffff88801dcbc880 R12: 1ffff920000a1e40 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888043e714d8 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efea5d33130 CR3: 000000000e734000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400