sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.0:4370] Modules linked in: irq event stamp: 5733853 hardirqs last enabled at (5733852): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5733853): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5717486): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (5717489): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 4370 Comm: syz-executor.0 Not tainted 6.3.0-next-20230425 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0x1e/0x1d0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 <53> 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 RSP: 0018:ffff88806ce096a0 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 1ffff1100d9c12e7 RSI: ffff888043357a60 RDI: ffff88806ce09738 RBP: ffff888043357a60 R08: ffffffff8609b43a R09: ffffffff8609b43e R10: 0000000000038001 R11: ffff88806ce09778 R12: 0000000000000008 R13: ffff88806ce09780 R14: ffff888043357a60 R15: ffff88806ce09738 FS: 00007ff63e964700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb952923344 CR3: 000000000dc3a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: unwind_next_frame+0xde7/0x2310 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+0x189/0x3a0 __alloc_skb+0x28c/0x330 __netdev_alloc_skb+0x72/0x370 __ieee80211_beacon_get+0x3f6/0xfc0 ieee80211_beacon_get_tim+0xa1/0x550 mac80211_hwsim_beacon_tx+0x402/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 __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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 46 42 e1 fc 48 89 ef e8 5e be e1 fc 80 e7 02 74 06 e8 34 e9 06 fd fb 65 ff 0d c4 43 b7 7b <74> 07 5b 5d e9 37 2a 00 00 0f 1f 44 00 00 5b 5d e9 2b 2a 00 00 0f RSP: 0018:ffff8880433576e8 EFLAGS: 00000246 RAX: 0000000000549003 RBX: 0000000000000256 RCX: ffffffff812ce85f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff844c48fc RBP: ffff8880084409c0 R08: 0000000000000001 R09: ffffffff877899ef R10: fffffbfff0ef133d R11: 0000000000000001 R12: ffff8880084409c0 R13: ffff888008442140 R14: ffff888041de6000 R15: ffff888041de6000 __slab_free+0x297/0x380 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_kmalloc+0x6f/0x90 __kmalloc_node_track_caller+0x5b/0x160 kmemdup+0x2c/0x60 fib_notifier_ops_register+0x32/0x220 ipmr_net_init+0x51/0x370 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x73b0 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff6413eeb19 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:00007ff63e964188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007ff641501f60 RCX: 00007ff6413eeb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007ff641448f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf0ecab7f R14: 00007ff63e964300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 13: fc ff df 16: 41 56 push %r14 18: 41 55 push %r13 1a: 41 54 push %r12 1c: 49 89 d4 mov %rdx,%r12 1f: 48 89 fa mov %rdi,%rdx 22: 55 push %rbp 23: 48 c1 ea 03 shr $0x3,%rdx 27: 48 89 f5 mov %rsi,%rbp * 2a: 53 push %rbx <-- trapping instruction 2b: 48 89 fb mov %rdi,%rbx 2e: 48 83 ec 08 sub $0x8,%rsp 32: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 36: 84 c0 test %al,%al 38: 74 08 je 0x42 3a: 3c 03 cmp $0x3,%al 3c: 0f .byte 0xf 3d: 8e 4b 01 mov 0x1(%rbx),%cs