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 22s! [syz-executor.3:4547] Modules linked in: irq event stamp: 4067671 hardirqs last enabled at (4067670): [] _raw_spin_unlock_irqrestore+0x2c/0x60 hardirqs last disabled at (4067671): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4061292): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4061295): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 4547 Comm: syz-executor.3 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x32/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 f6 a2 e9 fc 48 89 ef e8 0e 1a ea fc 80 e7 02 74 06 e8 04 d4 0d fd fb bf 01 00 00 00 b9 74 df fc 65 8b 05 ca 19 c1 7b 85 c0 74 07 5b 5d e9 3b 29 00 RSP: 0018:ffff88806ce09c20 EFLAGS: 00000206 RAX: 00000000003e1156 RBX: 0000000000000283 RCX: ffffffff812b740f RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000001 RBP: ffffffff856d14a0 R08: 0000000000000001 R09: ffffffff876358ef R10: fffffbfff0ec6b1d R11: 0000000000000001 R12: 0000000000000283 R13: ffff88800cb35c28 R14: 000000000001f818 R15: ffff888008793dc0 FS: 00007f6c2dfe0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 00000000160e2000 CR4: 0000000000350ef0 Call Trace: kmemleak_free+0x18a/0x200 kmem_cache_free+0xc1/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_release+0x44a/0x750 Code: 65 8b 1d d5 72 d7 7e 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 90 92 d0 85 e8 be 3f 51 00 48 0f a3 1d 36 7c a4 04 <0f> 83 5a fc ff ff 65 ff 05 a1 72 d7 7e 48 c7 c0 e0 5b ce 85 48 ba RSP: 0018:ffff888046cb7668 EFLAGS: 00000247 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff812c1652 RDX: fffffbfff0ba1253 RSI: 0000000000000008 RDI: ffffffff85d09290 RBP: 1ffff11008d96ecf R08: 0000000000000000 R09: ffffffff85d09297 R10: fffffbfff0ba1252 R11: 0000000000000001 R12: ffffffff85608660 R13: 0000000000000000 R14: ffffffff8564eb28 R15: 00000000000000f0 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc40 kmem_cache_alloc+0x273/0x410 vm_area_alloc+0x20/0x100 mmap_region+0x44e/0x1c20 do_mmap+0x82c/0xf50 ioctx_alloc+0x838/0x1eb0 __x64_sys_io_setup+0x138/0x300 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f6c30a6ab19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6c2dfe0188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f6c30b7df60 RCX: 00007f6c30a6ab19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007f6c30ac4f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdaba317af R14: 00007f6c2dfe0300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 48 83 c7 18 add $0x18,%rdi 4: 53 push %rbx 5: 48 89 f3 mov %rsi,%rbx 8: 48 8b 74 24 10 mov 0x10(%rsp),%rsi d: e8 f6 a2 e9 fc callq 0xfce9a308 12: 48 89 ef mov %rbp,%rdi 15: e8 0e 1a ea fc callq 0xfcea1a28 1a: 80 e7 02 and $0x2,%bh 1d: 74 06 je 0x25 1f: e8 04 d4 0d fd callq 0xfd0dd428 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 b9 74 df fc callq 0xfcdf74e8 <-- trapping instruction 2f: 65 8b 05 ca 19 c1 7b mov %gs:0x7bc119ca(%rip),%eax # 0x7bc11a00 36: 85 c0 test %eax,%eax 38: 74 07 je 0x41 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: e9 .byte 0xe9 3d: 3b 29 cmp (%rcx),%ebp