watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.3:5196] Modules linked in: irq event stamp: 7128813 hardirqs last enabled at (7128812): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (7128813): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (7095888): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (7095891): [] __irq_exit_rcu+0xcc/0x110 CPU: 1 PID: 5196 Comm: syz-executor.3 Not tainted 6.2.0-rc6-next-20230203 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc50 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 d5 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 3e 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8447fb0b RDX: fffffbfff0b48fa1 RSI: 0000000000000004 RDI: ffffffff85a47d00 RBP: ffffffff85a47d00 R08: 0000000000000000 R09: ffffffff85a47d03 R10: fffffbfff0b48fa0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48fa0 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ec10b40cf8 CR3: 000000001f33c000 CR4: 0000000000350ee0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6de/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0xbbd/0x2da0 Code: 00 10 00 00 48 89 44 24 08 e8 0f de db ff 48 8b 04 24 48 c1 e8 03 42 80 3c 30 00 0f 85 2c 17 00 00 48 8b 04 24 31 ff 4c 8b 20 <4c> 89 e3 48 83 e3 9f 48 89 de e8 e4 d9 db ff 48 85 db 0f 85 38 fe RSP: 0018:ffff88804412f6f0 EFLAGS: 00000246 RAX: ffff88800efbbe28 RBX: 00007ffa283c5000 RCX: 0000000000000000 RDX: ffff888044dbb580 RSI: ffffffff816f80b1 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000006 R09: 00007ffa283c5000 R10: 00007ffa283d6000 R11: 0000000000000001 R12: 800000003d20d007 R13: ffff88804412fad8 R14: dffffc0000000000 R15: 00007ffa283d6000 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ffa2a45eb19 Code: Unable to access opcode bytes at 0x7ffa2a45eaef. RSP: 002b:00007ffa279d4108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: 0000000000000008 RBX: 00007ffa2a571f60 RCX: 00007ffa2a45eb19 RDX: 0000000020ff9000 RSI: 0000000020000180 RDI: 000000000000293f RBP: 0000000020000180 R08: 0000000020000300 R09: 0000000020000300 R10: 0000000020000200 R11: 0000000000000202 R12: 0000000020000300 R13: 0000000020ff9000 R14: 0000000020000200 R15: 0000000020ffb000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5198 Comm: syz-executor.5 Not tainted 6.2.0-rc6-next-20230203 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get+0x157/0x1f0 Code: 4c 8b 35 f4 96 26 04 89 44 24 08 44 8b 2d 91 96 26 04 89 de 44 89 ef e8 57 5a 0f 00 41 39 dd 0f 85 e6 fe ff ff e8 39 5f 0f 00 <4c> 0f af e5 0f b6 4c 24 08 48 8b 04 24 48 83 c4 10 5b 5d 4d 01 e6 RSP: 0018:ffff88806ce09478 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000106e86 RCX: 0000000000000100 RDX: ffff888044db8000 RSI: ffffffff813bff87 RDI: 0000000000000004 RBP: 00000000005b99b3 R08: 0000000000000004 R09: 0000000000106e86 R10: 0000000000106e86 R11: 0000000000000001 R12: 0000000000258624 R13: 0000000000106e86 R14: 0006f30824c2cf18 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004c00 CR3: 00000000095fe000 CR4: 0000000000350ef0 DR0: 0001000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_swevent_hrtimer+0x224/0x3d0 __hrtimer_run_queues+0x17f/0xcb0 hrtimer_interrupt+0x2ef/0x750 __sysvec_apic_timer_interrupt+0xff/0x4a0 sysvec_apic_timer_interrupt+0x33/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:___slab_alloc+0x1d1/0x1070 Code: 45 28 0f 85 f6 03 00 00 49 c7 45 28 00 00 00 00 48 c7 c6 5f 24 7f 81 4c 89 ef e8 5a 1c ae ff 48 83 3c 24 00 0f 85 a1 01 00 00 <48> 83 7b 18 00 0f 84 8a 04 00 00 9c 41 5d fa 41 81 e5 00 02 00 00 RSP: 0018:ffff88806ce09940 EFLAGS: 00000202 RAX: 00000000005922e6 RBX: ffff88806ce3dc80 RCX: ffffffff812c9dff RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff817f2627 RBP: ffff88800844f780 R08: 0000000000000001 R09: ffffffff8769b98f R10: fffffbfff0ed3731 R11: 0000000000000001 R12: 00000000ffffffff R13: ffff88806ce3dca0 R14: 0000000000000000 R15: 0000000000000000 kmem_cache_alloc+0x2fa/0x320 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x215/0x330 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb08/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:percpu_counter_add_batch+0xcd/0x180 Code: 81 27 ff 65 45 01 2e e8 51 81 27 ff 31 ff 48 89 de e8 47 7d 27 ff 48 85 db 74 0b e8 3d 81 27 ff e8 08 a0 2e ff fb 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 24 81 27 ff e8 1f 81 27 ff e8 ca RSP: 0018:ffff8880158976b8 EFLAGS: 00000286 RAX: 00000000005538a3 RBX: 0000000000000200 RCX: ffffffff812c9dff RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8223dd88 RBP: 0000000000000020 R08: 0000000000000001 R09: ffffffff8769b947 R10: fffffbfff0ed3728 R11: 0000000000000001 R12: ffff88800c947080 R13: fffffffffffffffb R14: 0000607f92e01554 R15: ffffffffffffffed unmap_page_range+0x1281/0x2da0 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f22d6c38b19 Code: Unable to access opcode bytes at 0x7f22d6c38aef. RSP: 002b:00007f22d41ae188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: fffffffffffffe00 RBX: 00007f22d6d4bf60 RCX: 00007f22d6c38b19 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000005 RBP: 00007f22d6c92f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000040100000284 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc44056f0f R14: 00007f22d41ae300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 d5 09 00 00 jne 0x9e7 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 3e 1f 00 00 jmpq 0x1f66 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e4 test %ah,%ah