I/O error, dev loop7, sector 2 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev loop7, logical block 2, async page read I/O error, dev loop7, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 Buffer I/O error on dev loop7, logical block 3, async page read watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.3:4950] Modules linked in: irq event stamp: 5455767 hardirqs last enabled at (5455766): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (5455767): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (5408474): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5408477): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4950 Comm: syz-executor.3 Not tainted 5.19.0-rc7-next-20220718 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lockdep_init_map_type+0xa/0x7e0 Code: 4e 00 4c 8b 54 24 20 e9 dd f0 ff ff 4c 89 54 24 20 e8 2a 47 4e 00 4c 8b 54 24 20 e9 fe f0 ff ff 48 b8 00 00 00 00 00 fc ff df <41> 56 41 55 41 89 cd 41 54 49 89 d4 55 48 89 fd 48 83 c7 08 53 48 RSP: 0018:ffff88806cf09a00 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88801d57aa20 RCX: 0000000000000000 RDX: ffffffff8704cdc0 RSI: ffffffff848f7920 RDI: ffff88801d57aa38 RBP: ffffffff848f7920 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff8704cdc0 R13: 0000000000000002 R14: 0000000000000001 R15: ffff88801d57aa20 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ff33b0b648 CR3: 000000001bb88000 CR4: 0000000000350ee0 Call Trace: __raw_spin_lock_init+0x36/0x110 __create_object.isra.0+0x121/0xc10 kmem_cache_alloc_node+0x259/0x4b0 __alloc_skb+0x210/0x300 skb_copy+0x139/0x3c0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:kasan_check_range+0x175/0x1c0 Code: ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 f1 f9 e7 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 db 80 38 00 <74> f2 e9 64 ff ff ff 41 bb 01 00 00 00 44 89 d8 e9 c6 f9 e7 02 48 RSP: 0018:ffff888044037648 EFLAGS: 00000246 RAX: fffff940001a6f96 RBX: fffff940001a6f97 RCX: ffffffff8168c0ff RDX: fffff940001a6f97 RSI: 0000000000000004 RDI: ffffea0000d37cb0 RBP: fffff940001a6f96 R08: 0000000000000000 R09: ffffea0000d37cb3 R10: fffff940001a6f96 R11: 0000000000000001 R12: ffffea0000d37cb0 R13: 00007f819891f000 R14: ffff8880444318f0 R15: dffffc0000000000 unmap_page_range+0x10af/0x2720 unmap_single_vma+0x190/0x350 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0x9e0/0x27a0 do_group_exit+0xd2/0x2f0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f81994deb19 Code: Unable to access opcode bytes at RIP 0x7f81994deaef. RSP: 002b:00007f8196a54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffef RBX: 00007f81995f1f60 RCX: 00007f81994deb19 RDX: 00000000000062c3 RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 00007f8199538f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef7c8429f R14: 00007f8196a54300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4972 Comm: syz-executor.5 Not tainted 5.19.0-rc7-next-20220718 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lapic_next_deadline+0x21/0x40 Code: 2e 0f 1f 84 00 00 00 00 00 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 66 38 51 03 48 89 c6 31 d2 bf e0 06 00 00 e8 47 66 RSP: 0018:ffff88806ce09820 EFLAGS: 00000017 RAX: 00000165ac6f24fc RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000165 RSI: ffff88806ce27140 RDI: 000000000000015d RBP: ffff88806ce27140 R08: 0000000000000007 R09: 0000000000000000 R10: 00000000000002b1 R11: 0000000000000001 R12: 000000000000015d R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806ce2a640 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f32252318 CR3: 000000001bb88000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x244/0x360 tick_program_event+0xac/0x140 hrtimer_interrupt+0x366/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:queued_spin_lock_slowpath+0xac/0xc80 Code: b8 00 00 00 00 00 fc ff df 49 c1 ed 03 41 83 e4 07 49 01 c5 41 83 c4 03 be 04 00 00 00 48 89 ef e8 c9 04 4e 00 41 0f b6 45 00 <41> 38 c4 7c 08 84 c0 0f 85 1c 0a 00 00 8b 5d 00 85 db 75 62 be 04 RSP: 0018:ffff88806ce09a08 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff812a40a7 RDX: fffffbfff0b0770d RSI: 0000000000000004 RDI: ffffffff8583b860 RBP: ffffffff8583b860 R08: 0000000000000000 R09: ffffffff8583b863 R10: fffffbfff0b0770c R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b0770c R14: 0000000000000001 R15: 1ffff1100d9c1342 do_raw_spin_lock+0x1dc/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 02 b8 ff ff ff ff 65 0f c1 05 b9 99 d8 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff888045fc7568 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11008bf8eaf RCX: 000000000000104d RDX: 1ffff11008afcb36 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff86ca17d7 R10: fffffbfff0d942fa R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88801bdbd0d8 R15: 0000000000000000 _raw_spin_lock+0x2a/0x40 unmap_page_range+0x7ac/0x2720 unmap_single_vma+0x190/0x350 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0x9e0/0x27a0 do_group_exit+0xd2/0x2f0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb774ae0b19 Code: Unable to access opcode bytes at RIP 0x7fb774ae0aef. RSP: 002b:00007fb772056188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000004 RBX: 00007fb774bf3f60 RCX: 00007fb774ae0b19 RDX: 0000000000101442 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fb774b3af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5cf10adf R14: 00007fb772056300 R15: 0000000000022000 INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 1061 Comm: kworker/u4:9 Tainted: G L 5.19.0-rc7-next-20220718 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: netns cleanup_net Call Trace: dump_stack_lvl+0x8b/0xb3 register_lock_class+0x1597/0x1890 __lock_acquire+0x102/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_bh+0x2f/0x40 ieee80211_do_stop+0xbe/0x1dd0 ieee80211_stop+0xc5/0x600 __dev_close_many+0x1b8/0x2f0 dev_close_many+0x1b0/0x450 dev_close+0x13a/0x1c0 cfg80211_shutdown_all_interfaces+0x96/0x1f0 ieee80211_remove_interfaces+0xe3/0x690 ieee80211_unregister_hw+0x47/0x1f0 hwsim_exit_net+0x49a/0xb90 ops_exit_list+0xb3/0x180 cleanup_net+0x484/0x9e0 process_one_work+0xa0f/0x1690 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 ---------------- Code disassembly (best guess): 0: 4e 00 4c 8b 54 rex.WRX add %r9b,0x54(%rbx,%r9,4) 5: 24 20 and $0x20,%al 7: e9 dd f0 ff ff jmpq 0xfffff0e9 c: 4c 89 54 24 20 mov %r10,0x20(%rsp) 11: e8 2a 47 4e 00 callq 0x4e4740 16: 4c 8b 54 24 20 mov 0x20(%rsp),%r10 1b: e9 fe f0 ff ff jmpq 0xfffff11e 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 55 push %r13 2e: 41 89 cd mov %ecx,%r13d 31: 41 54 push %r12 33: 49 89 d4 mov %rdx,%r12 36: 55 push %rbp 37: 48 89 fd mov %rdi,%rbp 3a: 48 83 c7 08 add $0x8,%rdi 3e: 53 push %rbx 3f: 48 rex.W