EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.5:13489] Modules linked in: irq event stamp: 2153423 hardirqs last enabled at (2153422): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2153423): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2124940): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2124943): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 13489 Comm: syz-executor.5 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x65/0x170 Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ad 00 00 00 31 c0 3b 6b 08 0f 83 81 00 00 00 <48> b8 00 00 00 00 00 fc ff df 48 8d 7b 0c 48 89 fa 48 c1 ea 03 0f RSP: 0018:ffff88806cf09788 EFLAGS: 00000287 RAX: 0000000000000000 RBX: ffff88806cf09870 RCX: 0000000000000001 RDX: 1ffff1100d9e130f RSI: ffffffff81af009d RDI: ffff88806cf09878 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806cf097e8 R10: 000000000003aab6 R11: 0000000000025317 R12: ffff88806cf09870 R13: 0000000000000000 R14: ffff888041fb5340 R15: 0000000000000820 FS: 00007f397f959700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e227abc058 CR3: 00000000438ae000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+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:put_cpu_partial+0xa/0x1b0 Code: 85 e8 8a 5d 94 ff 90 0f 0b 90 90 eb c4 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 56 41 55 41 54 41 89 d4 55 <48> 89 fd 53 48 89 f3 9c 41 5d fa 41 81 e5 00 02 00 00 0f 85 13 01 RSP: 0018:ffff8880448cfa48 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804300d000 RCX: 00000000000d000c RDX: 0000000000000001 RSI: ffffea000035b6c0 RDI: ffff888008c4f780 RBP: ffff888008c4f780 R08: ffff88800d6db128 R09: 00000000000d000c R10: ffffea000035b601 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880448cfaa8 R14: ffff88800d6db128 R15: ffff88800d6db128 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 __kmalloc_noprof+0x1f7/0x4b0 alloc_pipe_info+0x1f1/0x5b0 splice_direct_to_actor+0x78e/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xa7e/0xdb0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f39823e3b19 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:00007f397f959188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f39824f6f60 RCX: 00007f39823e3b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000006 RBP: 00007f398243df6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000fffffdef R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0ffbeb6f R14: 00007f397f959300 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 6.13.0-rc3-next-20241220 #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:ffff88806ce099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84aa53ff RDX: fffffbfff0c1bb01 RSI: 0000000000000004 RDI: ffffffff860dd800 RBP: ffffffff860dd800 R08: 0000000000000000 R09: fffffbfff0c1bb00 R10: ffffffff860dd803 R11: 0000000000000001 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1bb00 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e227ac3b60 CR3: 000000000d26e000 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+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: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 56 1a 00 0f 1f 44 00 00 fb f4 e9 1c 30 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000206 RAX: 00000000005ebd77 RBX: 0000000000000000 RCX: ffffffff84a82a97 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814b32ba RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6c4a R10: ffff88806ce36253 R11: 0000000000000000 R12: ffffffff863fcc90 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x412/0x540 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess), 7 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax c: 84 c0 test %al,%al e: 74 08 je 0x18 10: 3c 03 cmp $0x3,%al 12: 0f 8e ad 00 00 00 jle 0xc5 18: 31 c0 xor %eax,%eax 1a: 3b 6b 08 cmp 0x8(%rbx),%ebp 1d: 0f 83 81 00 00 00 jae 0xa4 * 23: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2a: fc ff df 2d: 48 8d 7b 0c lea 0xc(%rbx),%rdi 31: 48 89 fa mov %rdi,%rdx 34: 48 c1 ea 03 shr $0x3,%rdx 38: 0f .byte 0xf