watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:4689] Modules linked in: irq event stamp: 4418691 hardirqs last enabled at (4418690): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4418691): [<ffffffff83e6274b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (4415052): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4415055): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4689 Comm: syz-executor.3 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ether_addr_equal include/linux/etherdevice.h:341 [inline] RIP: 0010:ieee80211_accept_frame net/mac80211/rx.c:4069 [inline] RIP: 0010:ieee80211_prepare_and_rx_handle+0x1d38/0x5890 net/mac80211/rx.c:4589 Code: 24 18 00 0f 84 70 f5 ff ff e8 84 6c 81 fd 48 8d bd 80 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 62 60 ad fd RSP: 0018:ffff88806cf09b00 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: ffff88803a140450 RCX: ffffffff83bf3929 RDX: 0000000000000000 RSI: ffffffff83bf512c RDI: ffff88801b16e040 RBP: ffff88801b16cbc0 R08: 0000000000000001 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000001 R12: 0000000000000001 R13: ffff88801b16dd98 R14: ffff88806cf09d98 R15: ffff88803a0738c0 FS: 00007fb0e4f1d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000017c0a000 CR4: 0000000000350ee0 Call Trace: <IRQ> __ieee80211_rx_handle_packet net/mac80211/rx.c:4666 [inline] ieee80211_rx_list+0xdd0/0x2370 net/mac80211/rx.c:4846 ieee80211_rx_napi+0xdc/0x3c0 net/mac80211/rx.c:4867 ieee80211_rx include/net/mac80211.h:4502 [inline] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x244/0x2f0 kernel/softirq.c:560 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:__read_once_word_nocheck+0x3/0x10 include/asm-generic/rwonce.h:68 Code: 0a fe ff ff e8 be 46 5c 00 e9 bf fd ff ff e8 b4 46 5c 00 e9 8c fd ff ff e8 aa 46 5c 00 e9 44 fd ff ff cc cc cc cc cc 48 8b 07 <e9> 88 d4 0f 03 0f 1f 84 00 00 00 00 00 41 57 89 d0 41 56 41 55 41 RSP: 0018:ffff88803ac07990 EFLAGS: 00000297 RAX: ffffffff8130259c RBX: ffff88803ac07b38 RCX: ffff88803ac07b38 RDX: dffffc0000000000 RSI: ffff88803ac07b80 RDI: ffff88803ac07b80 RBP: ffff88803ac07b80 R08: ffffffff85971d6d R09: ffff88803ac07b88 R10: 0000000000032042 R11: 1ffff11007580f41 R12: ffff88803ac07af0 R13: ffff88803ac00000 R14: 1ffff11007580f41 R15: ffffffff85971d6c deref_stack_reg+0xf2/0x160 arch/x86/kernel/unwind_orc.c:360 unwind_next_frame+0xbf8/0x1a90 arch/x86/kernel/unwind_orc.c:536 __unwind_start+0x523/0x7e0 arch/x86/kernel/unwind_orc.c:701 unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch_stack_walk+0x5f/0xf0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 __save_stack_trace mm/kmemleak.c:563 [inline] create_object.isra.0+0x372/0xa20 mm/kmemleak.c:618 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 anon_vma_chain_alloc mm/rmap.c:137 [inline] anon_vma_clone+0xdc/0x590 mm/rmap.c:283 __split_vma+0x17c/0x570 mm/mmap.c:2770 __do_munmap+0x365/0x1260 mm/mmap.c:2871 mremap_to mm/mremap.c:591 [inline] __do_sys_mremap+0xcd9/0x1310 mm/mremap.c:718 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb0e79a7b19 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:00007fb0e4f1d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 RAX: ffffffffffffffda RBX: 00007fb0e7abaf60 RCX: 00007fb0e79a7b19 RDX: 0000000000001000 RSI: 0000000000002000 RDI: 0000000020ffc000 RBP: 00007fb0e7a01f6d R08: 0000000020ffe000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffb98711f R14: 00007fb0e4f1d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 kauditd_printk_skb: 35 callbacks suppressed audit: type=1326 audit(1729354012.762:54): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.766:55): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=83 compat=0 ip=0x7fb0e79a6c27 code=0x7ffc0000 audit: type=1326 audit(1729354012.767:56): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=165 compat=0 ip=0x7fb0e79a904a code=0x7ffc0000 audit: type=1326 audit(1729354012.771:57): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=257 compat=0 ip=0x7fb0e795aa04 code=0x7ffc0000 audit: type=1326 audit(1729354012.771:58): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.775:59): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=266 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.778:60): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.778:61): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=264 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.778:62): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4746 comm="syz-executor.3" exe="/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fb0e79a7b19 code=0x7ffc0000 audit: type=1326 audit(1729354012.796:63): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4744 comm="syz-executor.1" exe="/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fc190b3ab19 code=0x7ffc0000 SELinux: duplicate or incompatible mount options ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 00 sbb %al,(%rax) 2: 0f 84 70 f5 ff ff je 0xfffff578 8: e8 84 6c 81 fd callq 0xfd816c91 d: 48 8d bd 80 14 00 00 lea 0x1480(%rbp),%rdi 14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1b: fc ff df 1e: 48 89 fa mov %rdi,%rdx 21: 48 c1 ea 03 shr $0x3,%rdx 25: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx * 29: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2c: 83 e0 07 and $0x7,%eax 2f: 83 c0 03 add $0x3,%eax 32: 38 d0 cmp %dl,%al 34: 7c 09 jl 0x3f 36: 84 d2 test %dl,%dl 38: 74 05 je 0x3f 3a: e8 62 60 ad fd callq 0xfdad60a1