watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:2296] Modules linked in: irq event stamp: 2188003 hardirqs last enabled at (2188002): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2188003): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2182088): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2182091): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2182091): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 2296 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:deref_stack_reg+0x168/0x1d0 arch/x86/kernel/unwind_orc.c:336 Code: b8 00 00 00 00 00 fc ff df 80 3c 02 00 75 4c 49 89 6d 00 b8 01 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 c7 04 13 00 00 00 00 <48> 8b 4c 24 60 65 48 2b 0c 25 28 00 00 00 75 47 48 83 c4 68 5b 5d RSP: 0018:ffff8880ba0076b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: 1ffff11017400ed8 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff8880ba0076e0 RDI: ffff8880ba007f00 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba0078df R11: 0000000000074071 R12: ffff8880ba007880 R13: ffff8880ba0078c0 R14: ffff8880ba000000 R15: ffffffff8b912544 FS: 00007f890dc21700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31f24000 CR3: 00000000281fe000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0xf83/0x1400 arch/x86/kernel/unwind_orc.c:555 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 netdev_alloc_skb include/linux/skbuff.h:2680 [inline] dev_alloc_skb include/linux/skbuff.h:2693 [inline] __ieee80211_beacon_get+0xc7d/0x1a30 net/mac80211/tx.c:4352 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4463 ieee80211_beacon_get include/net/mac80211.h:4484 [inline] mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:___bpf_prog_run+0x1b50/0x4e80 kernel/bpf/core.c:1184 Code: 03 0f b6 0c 1a 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 da 2e 00 00 41 23 46 04 49 83 c6 08 49 89 07 e9 f0 e4 ff ff 7b 33 f6 ff 49 8d 7e 04 48 89 f8 48 c1 e8 03 0f b6 14 18 48 89 RSP: 0018:ffff88809c677538 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff10df711 RBX: dffffc0000000000 RCX: ffffc90007076000 RDX: 0000000000000000 RSI: 0000000000000085 RDI: ffffffff886fb888 RBP: ffff88809c677608 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000006 R11: ffffffff8c66501b R12: ffffffff886fb460 R13: ffffed10138ceec3 R14: ffffc9000a2db060 R15: 0000000000000085 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2314 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__lock_release kernel/locking/lockdep.c:3670 [inline] RIP: 0010:lock_release+0x22d/0x8b0 kernel/locking/lockdep.c:3927 Code: df 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c6 05 00 00 44 89 f8 0b 05 43 eb d8 0b <0f> 84 69 04 00 00 48 8d 4c 24 38 44 89 fa 48 89 ee 4c 89 f7 e8 ba RSP: 0018:ffff888091c17910 EFLAGS: 00000002 RAX: 0000000000000001 RBX: ffffffff8d243760 RCX: 1ffffffff148be2c RDX: 0000000000000004 RSI: 0000000000000002 RDI: ffff888045b1cd84 RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff8c66505b R12: 1ffff11012382f25 R13: ffffffff816a1acc R14: ffff888045b1c500 R15: 0000000000000001 FS: 00007fa9f16a5700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002034f030 CR3: 00000000a3376000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1165 [inline] bpf_trace_run2+0x183/0x260 kernel/trace/bpf_trace.c:1201 trace_kfree include/trace/events/kmem.h:137 [inline] kfree+0x175/0x210 mm/slab.c:3812 ___sys_recvmsg+0x3c4/0x570 net/socket.c:2416 __sys_recvmmsg+0x254/0x6d0 net/socket.c:2501 do_sys_recvmmsg+0x172/0x190 net/socket.c:2577 __do_sys_recvmmsg net/socket.c:2595 [inline] __se_sys_recvmmsg net/socket.c:2591 [inline] __x64_sys_recvmmsg+0xba/0x150 net/socket.c:2591 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa9f31540f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa9f16a5168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fa9f3274050 RCX: 00007fa9f31540f9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007fa9f31afae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff333e7c8f R14: 00007fa9f16a5300 R15: 0000000000022000