watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.3:9184] Modules linked in: irq event stamp: 2558051 hardirqs last enabled at (2558050): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2558051): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2530308): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2530335): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 9184 Comm: syz-executor.3 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 Code: 7e 60 e8 a3 ff ff ff 31 c0 e9 dc f4 32 03 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 90 2a b2 7e 65 8b 05 91 2a b2 RSP: 0018:ffff88806cf09ab8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88800bf7cc80 RCX: ffffffff838db8d0 RDX: ffff88803e5f3700 RSI: 0000000000000000 RDI: 0000000000000007 RBP: ffff88800bf7cb40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800bf7cbb0 FS: 00007f5e3d2d7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdbeca53542 CR3: 0000000038644000 CR4: 0000000000350ef0 Call Trace: __copy_skb_header+0x373/0x5a0 skb_copy_header+0x20/0x2b0 skb_copy+0x2f1/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2cb/0x5d0 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 16 a6 ab fc 48 89 ef e8 0e 17 ac fc 80 e7 02 74 06 e8 24 26 d5 fc fb 65 ff 0d a4 54 7f 7b <74> 07 5b 5d e9 b3 1e 00 00 0f 1f 44 00 00 5b 5d e9 a7 1e 00 00 0f RSP: 0018:ffff88800712f718 EFLAGS: 00000246 RAX: 0000000000269c1d RBX: 0000000000000212 RCX: 1ffffffff0fdc332 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8484521c RBP: ffff888009fe63d0 R08: 0000000000000001 R09: fffffbfff0fda9d7 R10: ffffffff87ed4ebf R11: 00000000e5b906e6 R12: dffffc0000000000 R13: ffff888009fe6000 R14: ffffffff82f83c10 R15: ffff888009fe6410 devres_for_each_res+0x185/0x1c0 dev_cache_fw_image+0xa3/0x3d0 dpm_for_each_dev+0x5d/0xb0 fw_pm_notify+0xe0/0x120 blocking_notifier_call_chain_robust+0x145/0x200 pm_notifier_call_chain_robust+0x2a/0x60 snapshot_open+0x211/0x2b0 misc_open+0x31e/0x420 chrdev_open+0x235/0x690 do_dentry_open+0x71c/0x1420 vfs_open+0x82/0x3f0 path_openat+0x1cf3/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e3fd61b19 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:00007f5e3d2d7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5e3fe74f60 RCX: 00007f5e3fd61b19 RDX: 0000000000181481 RSI: 0000000020000380 RDI: ffffffffffffff9c RBP: 00007f5e3fdbbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8eb8a51f R14: 00007f5e3d2d7300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806ce099f8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84845a6f RDX: fffffbfff0c1a969 RSI: 0000000000000004 RDI: ffffffff860d4b40 RBP: ffffffff860d4b40 R08: 0000000000000000 R09: fffffbfff0c1a968 R10: ffffffff860d4b43 R11: 5050505000000011 R12: 1ffff1100d9c1340 R13: 0000000000000003 R14: fffffbfff0c1a968 R15: ffff88806ce09a30 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c002c6e000 CR3: 00000000149c6000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2cb/0x5d0 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 69 41 40 00 0f 1f 44 00 00 fb f4 e9 5c 28 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 00000000001244cb RBX: 0000000000000000 RCX: ffffffff848238d7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812ad1ed RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6c70 R10: ffff88806ce36383 R11: 0000000000000000 R12: ffffffff863f2748 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fd/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 loop0: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 40 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' audit: type=1326 audit(1729204384.534:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9425 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f74401ccb19 code=0x0 syz-executor.2 calls setitimer() with new_value NULL pointer. Misfeature support will be removed audit: type=1326 audit(1729204385.354:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9425 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f74401ccb19 code=0x0 syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode audit: type=1326 audit(1729204385.807:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9455 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f74401ccb19 code=0x0 syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode audit: type=1326 audit(1729204386.862:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9503 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f74401ccb19 code=0x0 syz_tun: entered promiscuous mode syz_tun: left promiscuous mode ---------------- Code disassembly (best guess): 0: 7e 60 jle 0x62 2: e8 a3 ff ff ff callq 0xffffffaa 7: 31 c0 xor %eax,%eax 9: e9 dc f4 32 03 jmpq 0x332f4ea e: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 15: 00 00 00 00 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 34 24 mov (%rsp),%rsi 32: 65 48 8b 15 90 2a b2 mov %gs:0x7eb22a90(%rip),%rdx # 0x7eb22aca 39: 7e 3a: 65 gs 3b: 8b .byte 0x8b 3c: 05 .byte 0x5 3d: 91 xchg %eax,%ecx 3e: 2a .byte 0x2a 3f: b2 .byte 0xb2