watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:8202] Modules linked in: irq event stamp: 4377633 hardirqs last enabled at (4377632): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4377633): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4308082): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4308085): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 8202 Comm: syz-executor.4 Not tainted 6.1.0-rc5-next-20221114 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memcpy+0x16/0x30 Code: 00 48 89 ee 48 c7 c7 00 e2 9e 84 5d e9 23 fe ff ff 0f 1f 00 f3 0f 1e fa 0f 1f 44 00 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 48 a5 89 d1 f3 a4 e9 92 33 02 00 66 66 2e 0f 1f 84 00 00 00 00 RSP: 0018:ffff88806ce09ab0 EFLAGS: 00000202 RAX: ffff88803426c400 RBX: 0000000000000000 RCX: 0000000000000012 RDX: 0000000000000004 RSI: ffff88803426c008 RDI: ffff88803426c408 RBP: 000000000000009c R08: 0000000000000001 R09: ffff88803426c49b R10: ffffed100684d893 R11: 0000000000000001 R12: ffff888038065140 R13: 000000000000009c R14: 00000000ffffffb0 R15: 000000000000004c FS: 00007ff8b5e1b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ff26000 CR3: 000000003062a000 CR4: 0000000000350ef0 Call Trace: skb_copy_bits+0x65b/0x790 skb_copy+0x302/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/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+0x541/0xb50 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:should_fail+0xe2/0x5e0 Code: db 02 00 00 48 83 c4 08 31 c0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 53 b1 20 02 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 27 04 00 00 48 83 3b 00 74 ca 48 b8 00 00 00 00 RSP: 0018:ffff88804347f298 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: ffffffff856c8940 RCX: 00000000000000b0 RDX: 1ffffffff0ad9128 RSI: 00000000000000c0 RDI: ffff88804317c934 RBP: 00000000000000c0 R08: ffffffff82c3c693 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804317b580 R13: 00000000ffffffff R14: 00000000000000b0 R15: 0000000000000000 should_failslab+0x9/0x20 __kmem_cache_alloc_node+0x5b/0x400 kmalloc_trace+0x26/0x60 alloc_lookup_fw_priv+0x1f3/0x640 _request_firmware+0x202/0xce0 request_firmware+0x36/0x50 reg_reload_regdb+0x80/0x450 genl_family_rcv_msg_doit.isra.0+0x1ee/0x2e0 genl_rcv_msg+0x503/0x7e0 netlink_rcv_skb+0x15d/0x450 genl_rcv+0x28/0x40 netlink_unicast+0x552/0x800 netlink_sendmsg+0x919/0xe10 sock_sendmsg+0x158/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf7/0x1d0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff8b88a5b19 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:00007ff8b5e1b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff8b89b8f60 RCX: 00007ff8b88a5b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007ff8b88fff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff15d6548f R14: 00007ff8b5e1b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8203 Comm: syz-executor.1 Not tainted 6.1.0-rc5-next-20221114 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 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 c6 f8 2f 03 48 89 c6 31 d2 bf e0 06 00 00 e8 93 b1 RSP: 0018:ffff88806cf09ed8 EFLAGS: 00000012 RAX: 000001372ac7136c RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000137 RSI: ffff88806cf28100 RDI: 0000000000000466 RBP: ffff88806cf28100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000c99 R11: 0000000000000001 R12: 0000000000000466 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2b600 FS: 00007f70ba75c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000044fc0000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x8d/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 de 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff8880338d7208 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff843fe36b RDX: fffffbfff0fba7e1 RSI: 0000000000000004 RDI: ffffffff87dd3f00 RBP: ffffffff87dd3f00 R08: 0000000000000000 R09: ffffffff87dd3f03 R10: fffffbfff0fba7e0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0fba7e0 R14: 0000000000000001 R15: 1ffff1100671ae42 do_raw_spin_lock+0x1e0/0x270 alloc_lookup_fw_priv+0x36/0x640 _request_firmware+0x202/0xce0 request_firmware+0x36/0x50 reg_reload_regdb+0x80/0x450 genl_family_rcv_msg_doit.isra.0+0x1ee/0x2e0 genl_rcv_msg+0x503/0x7e0 netlink_rcv_skb+0x15d/0x450 genl_rcv+0x28/0x40 netlink_unicast+0x552/0x800 netlink_sendmsg+0x919/0xe10 sock_sendmsg+0x158/0x190 ____sys_sendmsg+0x744/0x930 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0xf7/0x1d0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f70bd1e6b19 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:00007f70ba75c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f70bd2f9f60 RCX: 00007f70bd1e6b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f70bd240f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb7d7498f R14: 00007f70ba75c300 R15: 0000000000022000 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 tmpfs: Bad value for 'mpol' tmpfs: Unknown parameter 'fowner' ---------------- Code disassembly (best guess): 0: 00 48 89 add %cl,-0x77(%rax) 3: ee out %al,(%dx) 4: 48 c7 c7 00 e2 9e 84 mov $0xffffffff849ee200,%rdi b: 5d pop %rbp c: e9 23 fe ff ff jmpq 0xfffffe34 11: 0f 1f 00 nopl (%rax) 14: f3 0f 1e fa endbr64 18: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1d: 48 89 f8 mov %rdi,%rax 20: 48 89 d1 mov %rdx,%rcx 23: 48 c1 e9 03 shr $0x3,%rcx 27: 83 e2 07 and $0x7,%edx * 2a: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2d: 89 d1 mov %edx,%ecx 2f: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) 31: e9 92 33 02 00 jmpq 0x233c8 36: 66 data16 37: 66 data16 38: 2e cs 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax)