watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.7:7463] Modules linked in: irq event stamp: 4801255 hardirqs last enabled at (4801254): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4801255): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4762462): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4762465): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 7463 Comm: syz-executor.7 Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1c2/0x2130 Code: 8d 43 ff 39 c6 0f 83 8c 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 10 b7 49 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88806cf09838 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000036014 RSI: 0000000000036014 RDI: ffffffff86573760 RBP: ffff88806cf09910 R08: ffffffff8646989e R09: ffffffff864698a2 R10: ffff88806cf09ff8 R11: 0000000000038001 R12: ffff88806cf098f9 R13: ffff88806cf09918 R14: ffff88806cf098b8 R15: ffffffff84601449 FS: 00007ffb1338e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe981827718 CR3: 000000000fd8e000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa00 kmem_cache_free+0xb9/0x510 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __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:__sanitizer_cov_trace_pc+0x50/0x70 Code: 0e 85 c9 74 35 8b 82 14 14 00 00 85 c0 74 2b 8b 82 f0 13 00 00 83 f8 02 75 20 48 8b 8a f8 13 00 00 8b 92 f4 13 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 07 48 89 01 48 89 34 c1 e9 6f 0c fb 02 66 RSP: 0018:ffff8880173ef178 EFLAGS: 00000246 RAX: 000000000001a0e0 RBX: 0000000000000200 RCX: ffffc90005e02000 RDX: 0000000000040000 RSI: ffffffff811d7fd6 RDI: 0000000000000000 RBP: 0000000000000040 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000200 R11: 0000000000000001 R12: ffff8880437c1400 R13: ffff888008471000 R14: 0000000000000000 R15: 0000000000000001 queue_work_on+0x86/0xc0 call_usermodehelper_exec+0x33c/0x4d0 __request_module+0x417/0xa30 nfnetlink_rcv_msg+0x6db/0x12e0 netlink_rcv_skb+0x15d/0x450 nfnetlink_rcv+0x1b0/0x420 netlink_unicast+0x552/0x800 netlink_sendmsg+0x923/0xe20 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: 0033:0x7ffb15e18b19 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:00007ffb1338e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffb15f2bf60 RCX: 00007ffb15e18b19 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007ffb15e72f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4ef4ccff R14: 00007ffb1338e300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7467 Comm: syz-executor.2 Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x16b/0x1d0 Code: 49 0f be 12 83 e0 07 48 39 d0 0f 8d e0 fe ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c e9 41 fb c6 02 48 85 d2 74 e9 48 01 ea 09 48 83 c0 01 48 39 d0 74 db 80 38 00 74 f2 e9 64 ff ff ff 41 RSP: 0018:ffff88806ce093e8 EFLAGS: 00000082 RAX: fffffbfff0ec9d29 RBX: fffffbfff0ec9d2a RCX: ffffffff812b799f RDX: fffffbfff0ec9d2a RSI: 0000000000000008 RDI: ffffffff8764e948 RBP: fffffbfff0ec9d29 R08: 0000000000000000 R09: ffffffff8764e94f R10: fffffbfff0ec9d29 R11: 0000000000000001 R12: 0000000000000002 R13: ffff88801f083f78 R14: 0000000000000261 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93cfc726f4 CR3: 000000000e3f2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mark_lock.part.0+0xef/0x2f70 mark_held_locks+0x9e/0xe0 lockdep_hardirqs_on_prepare+0x139/0x410 trace_hardirqs_on+0x31/0x130 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0xf5/0x2130 Code: ca 17 00 00 4d 8b 66 60 4d 85 e4 74 32 49 8d bc 24 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 64 17 00 00 41 f6 84 24 88 00 00 00 03 0f 85 b7 02 00 00 48 RSP: 0018:ffff88806ce09698 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffffffff0f3b700 RDX: 1ffff11006bc0ed4 RSI: ffffffff8149727b RDI: ffff888035e076a0 RBP: ffff88806ce09770 R08: ffffffff86473810 R09: ffffffff86473814 R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffff888035e07618 R13: ffff88806ce09778 R14: ffff88806ce09718 R15: 0000000000000a20 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node+0x187/0x310 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __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:__sanitizer_cov_trace_pc+0xb/0x70 Code: c0 e9 ed 0c fb 02 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 0d 17 ba 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 89 03 00 a9 RSP: 0018:ffff888035e076c0 EFLAGS: 00000286 RAX: 0000000080000001 RBX: ffff888035e07ad8 RCX: ffffffff817128e6 RDX: ffff88801f083580 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffffffffffffffff R08: 0000000000000007 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000001 R12: ffff888041aace28 R13: ffffea0000fc5700 R14: 0000000000000000 R15: ffff888035e07ad8 __tlb_remove_page_size+0x54/0x480 unmap_page_range+0x1ca9/0x2c90 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7feb26308b19 Code: Unable to access opcode bytes at 0x7feb26308aef. RSP: 002b:00007feb2387e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 000000000000012c RBX: 00007feb2641bf60 RCX: 00007feb26308b19 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007feb26362f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb802407f R14: 00007feb2387e300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 8d 43 ff lea -0x1(%rbx),%eax 3: 39 c6 cmp %eax,%esi 5: 0f 83 8c 15 00 00 jae 0x1597 b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 89 f2 mov %esi,%edx 17: 48 8d 3c 95 10 b7 49 lea -0x79b648f0(,%rdx,4),%rdi 1e: 86 1f: 48 89 f9 mov %rdi,%rcx 22: 48 c1 e9 03 shr $0x3,%rcx 26: 0f b6 0c 01 movzbl (%rcx,%rax,1),%ecx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 c8 cmp %cl,%al 35: 7c 27 jl 0x5e 37: 84 c9 test %cl,%cl 39: 74 23 je 0x5e 3b: 48 89 54 24 28 mov %rdx,0x28(%rsp)