Buffer I/O error on dev sr0, logical block 4, async page read Buffer I/O error on dev sr0, logical block 5, async page read Buffer I/O error on dev sr0, logical block 6, async page read Buffer I/O error on dev sr0, logical block 7, async page read watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.1:7316] Modules linked in: irq event stamp: 4355489 hardirqs last enabled at (4355488): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4355489): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4351860): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4351863): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 7316 Comm: syz-executor.1 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_hdrlen+0x3f/0x170 Code: de bf 0c 00 00 00 e8 30 88 1b fd 66 83 fb 0c 0f 84 20 01 00 00 e8 61 8d 1b fd 89 de bf 08 00 00 00 e8 15 88 1b fd 66 83 fb 08 <0f> 84 95 00 00 00 e8 46 8d 1b fd 31 ff 89 de e8 fd 87 1b fd 66 85 RSP: 0018:ffff88806ce09c90 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff84563bfb RDX: ffff88800efc3780 RSI: 0000000000000008 RDI: 0000000000000003 RBP: 0000000000000080 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806ce09d70 R13: 0000000000000080 R14: ffff888038edc430 R15: ffff88800de68e20 FS: 00007f3d150a2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560a7cc0d080 CR3: 0000000038e72000 CR4: 0000000000350ef0 Call Trace: ieee80211_rx_list+0xe6c/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 e0 6d d2 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 be 6d d2 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff888041fe7b40 EFLAGS: 00000282 RAX: ffff888032686400 RBX: ffff888032686400 RCX: ffff8880b2686400 RDX: ffffea0000c9a180 RSI: ffffea0000c9a101 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800cd82640 R09: 00000000000c0009 R10: ffffea0000336000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888041fe7b78 R14: ffff88800cd82640 R15: ffff88800cd82640 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 fat_alloc_inode+0x27/0x1f0 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 fat_build_inode+0x14e/0x2e0 vfat_mkdir+0x187/0x310 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3d17b2bc27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3d150a1fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d17b2bc27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f3d150a2040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f3d150a2000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: de bf 0c 00 00 00 fidivrs 0xc(%rdi) 6: e8 30 88 1b fd callq 0xfd1b883b b: 66 83 fb 0c cmp $0xc,%bx f: 0f 84 20 01 00 00 je 0x135 15: e8 61 8d 1b fd callq 0xfd1b8d7b 1a: 89 de mov %ebx,%esi 1c: bf 08 00 00 00 mov $0x8,%edi 21: e8 15 88 1b fd callq 0xfd1b883b 26: 66 83 fb 08 cmp $0x8,%bx * 2a: 0f 84 95 00 00 00 je 0xc5 <-- trapping instruction 30: e8 46 8d 1b fd callq 0xfd1b8d7b 35: 31 ff xor %edi,%edi 37: 89 de mov %ebx,%esi 39: e8 fd 87 1b fd callq 0xfd1b883b 3e: 66 data16 3f: 85 .byte 0x85