random: crng reseeded on system resumption Restarting kernel threads ... done. watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:28600] Modules linked in: irq event stamp: 2011247 hardirqs last enabled at (2011246): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2011247): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (1971540): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1971543): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 28600 Comm: syz-executor.4 Not tainted 6.13.0-rc1-next-20241205 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x16fc/0x2490 Code: 80 3c 02 00 0f 85 86 08 00 00 49 8b 47 10 48 39 dd 0f 87 d1 f5 ff ff 48 39 d8 0f 86 c8 f5 ff ff 48 8d 53 08 48 39 d0 0f 93 c1 <48> 39 d5 0f 92 c0 84 c1 0f 84 b0 f5 ff ff 48 39 5c 24 08 0f 82 a5 RSP: 0018:ffff88806ce09770 EFLAGS: 00000206 RAX: ffff88806ce0a000 RBX: ffff88806ce09c08 RCX: 0000000000000001 RDX: ffff88806ce09c10 RSI: ffff88806ce09bf8 RDI: ffff88806ce097f0 RBP: ffff88806ce02000 R08: 0000000000000001 R09: ffff88806ce09820 R10: 000000000003c001 R11: 00000000000226c9 R12: ffff88806ce09840 R13: ffff88806ce09828 R14: ffff88806ce09bf8 R15: ffff88806ce097e0 FS: 00007fd2a1b2b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9a03ff7308 CR3: 000000002ecfa000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_record_aux_stack+0x89/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 skb_release_data+0x814/0x990 consume_skb+0xd0/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0xa9/0x160 Code: 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 2e 11 f2 03 48 8b 72 08 48 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 00 00 00 00 48 0f 45 ca 48 8b 69 08 e9 63 ff ff ff 48 83 7d 48 RSP: 0018:ffff888038177a00 EFLAGS: 00000246 RAX: ffff888038a53000 RBX: ffff888038a53000 RCX: ffffea0000e294c0 RDX: ffffea0000e294c0 RSI: ffff888008c4f780 RDI: ffffffff818477d6 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fde3e9 R10: ffffffff87ef1f4f R11: 0000000000000000 R12: 0000000000000000 R13: ffff888038177a38 R14: ffff88800d683de0 R15: ffff88800d683de0 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 copy_process+0x67c4/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd2a45b5b19 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:00007fd2a1b2b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd2a46c8f60 RCX: 00007fd2a45b5b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd2a460ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc7887accf R14: 00007fd2a1b2b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 random: crng reseeded on system resumption Restarting kernel threads ... done. random: crng reseeded on system resumption Restarting kernel threads ... done. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 28653 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 28653 Comm: syz-executor.4 Tainted: G L 6.13.0-rc1-next-20241205 #1 Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ipmr_rules_exit+0x13a/0x1c0 Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 ac 2a a3 00 e8 37 e6 6d fd 90 <0f> 0b 90 eb 93 e8 2c e6 6d fd 0f b6 2d d8 f8 58 02 31 ff 89 ee e8 RSP: 0018:ffff88802db478b8 EFLAGS: 00010216 RAX: 00000000000191c1 RBX: ffff88803d360000 RCX: ffffc90004a10000 RDX: 0000000000040000 RSI: ffffffff83e3fc39 RDI: 0000000000000005 RBP: ffff8880167c6000 R08: 0000000000000000 R09: ffffed1007a6c028 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88803d360800 R14: ffff88803d360000 R15: fffffbfff0c50eb8 FS: 00007fd2a1b2b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555cd75c58 CR3: 0000000030956000 CR4: 0000000000350ef0 Call Trace: ipmr_net_exit_batch+0x53/0xa0 ops_exit_list+0x12b/0x180 setup_net+0x492/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd2a45b5b19 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:00007fd2a1b2b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd2a46c8f60 RCX: 00007fd2a45b5b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd2a460ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc7887accf R14: 00007fd2a1b2b300 R15: 0000000000022000 irq event stamp: 280151 hardirqs last enabled at (280169): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (280194): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (279302): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (278593): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 4: 0f 85 86 08 00 00 jne 0x890 a: 49 8b 47 10 mov 0x10(%r15),%rax e: 48 39 dd cmp %rbx,%rbp 11: 0f 87 d1 f5 ff ff ja 0xfffff5e8 17: 48 39 d8 cmp %rbx,%rax 1a: 0f 86 c8 f5 ff ff jbe 0xfffff5e8 20: 48 8d 53 08 lea 0x8(%rbx),%rdx 24: 48 39 d0 cmp %rdx,%rax 27: 0f 93 c1 setae %cl * 2a: 48 39 d5 cmp %rdx,%rbp <-- trapping instruction 2d: 0f 92 c0 setb %al 30: 84 c1 test %al,%cl 32: 0f 84 b0 f5 ff ff je 0xfffff5e8 38: 48 39 5c 24 08 cmp %rbx,0x8(%rsp) 3d: 0f .byte 0xf 3e: 82 (bad) 3f: a5 movsl %ds:(%rsi),%es:(%rdi)