watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.7:9100] Modules linked in: irq event stamp: 2437393 hardirqs last enabled at (2437392): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2437393): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2425588): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2425595): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9100 Comm: syz-executor.7 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0x325/0x1200 Code: ed 01 00 00 48 8b 45 c8 65 48 2b 04 25 28 00 00 00 0f 85 bb 0d 00 00 48 8d 65 d0 4c 89 f8 5b 41 5a 41 5c 41 5d 41 5e 41 5f 5d <49> 8d 62 f8 e9 92 b6 02 03 49 63 c4 48 0f a3 05 8f 89 a5 06 0f 82 RSP: 0018:ffff88806ce098e8 EFLAGS: 00000246 RAX: ffff88800e556de0 RBX: ffffea0000365cc0 RCX: 1ffffffff0fe1e8c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81848451 RBP: ffff88806ce09960 R08: 0000000000000001 R09: fffffbfff0fdddf6 R10: ffff88806ce09900 R11: 0000000000000000 R12: ffff888008c4f780 R13: 0000000000092820 R14: 00000000000000e8 R15: ffffffff818f254f FS: 00007f072481c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555636c4c18 CR3: 000000003bc72000 CR4: 0000000000350ef0 Call Trace: kmem_cache_alloc_noprof+0x228/0x3d0 __alloc_object+0x2f/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:__sanitizer_cov_trace_const_cmp4+0x0/0x20 Code: 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 48 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 1a fe ff ff RSP: 0018:ffff88801d39f588 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffffffff85c6dc40 RCX: 1ffff11003a73e7f RDX: 1ffff11007afc827 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0fdddec R10: ffffffff87eeef67 R11: 00000000000c3a23 R12: 00007f07272a6b19 R13: 0000000000000000 R14: ffff88803d7e3700 R15: ffffffff81a094ec __is_insn_slot_addr+0x4f/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 copy_splice_read+0x15c/0xb70 do_splice_read+0x22f/0x2a0 splice_direct_to_actor+0x2a9/0x9d0 do_splice_direct+0x17a/0x250 do_sendfile+0xaf4/0xe60 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07272a6b19 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:00007f072481c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f07273b9f60 RCX: 00007f07272a6b19 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f0727300f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1fd7183f R14: 00007f072481c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-next-20241128 #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:ffff88806cf099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff848722cf RDX: fffffbfff0c1b789 RSI: 0000000000000004 RDI: ffffffff860dbc40 RBP: ffffffff860dbc40 R08: 0000000000000000 R09: fffffbfff0c1b788 R10: ffffffff860dbc43 R11: 5050505000000011 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b788 R15: ffff88806cf09a18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fd4ebe9040 CR3: 000000000ec90000 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 d9 80 3d 00 0f 1f 44 00 00 fb f4 e9 6c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000206 RAX: 00000000000ec381 RBX: 0000000000000001 RCX: ffffffff8484fb07 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b110a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9f10 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed loop5: detected capacity change from 0 to 6 FAT-fs (loop5): Directory bread(block 6) failed FAT-fs (loop5): Directory bread(block 7) failed FAT-fs (loop5): Directory bread(block 8) failed FAT-fs (loop5): Directory bread(block 9) failed loop5: detected capacity change from 0 to 6 FAT-fs (loop5): Directory bread(block 6) failed FAT-fs (loop5): Directory bread(block 7) failed FAT-fs (loop5): Directory bread(block 8) failed FAT-fs (loop5): Directory bread(block 9) failed loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed loop5: detected capacity change from 0 to 6 FAT-fs (loop5): Directory bread(block 6) failed FAT-fs (loop5): Directory bread(block 7) failed FAT-fs (loop5): Directory bread(block 8) failed FAT-fs (loop5): Directory bread(block 9) failed loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed program syz-executor.0 is using a deprecated SCSI ioctl, please convert it to SG_IO ---------------- Code disassembly (best guess): 0: ed in (%dx),%eax 1: 01 00 add %eax,(%rax) 3: 00 48 8b add %cl,-0x75(%rax) 6: 45 c8 65 48 2b rex.RB enterq $0x4865,$0x2b b: 04 25 add $0x25,%al d: 28 00 sub %al,(%rax) f: 00 00 add %al,(%rax) 11: 0f 85 bb 0d 00 00 jne 0xdd2 17: 48 8d 65 d0 lea -0x30(%rbp),%rsp 1b: 4c 89 f8 mov %r15,%rax 1e: 5b pop %rbx 1f: 41 5a pop %r10 21: 41 5c pop %r12 23: 41 5d pop %r13 25: 41 5e pop %r14 27: 41 5f pop %r15 29: 5d pop %rbp * 2a: 49 8d 62 f8 lea -0x8(%r10),%rsp <-- trapping instruction 2e: e9 92 b6 02 03 jmpq 0x302b6c5 33: 49 63 c4 movslq %r12d,%rax 36: 48 0f a3 05 8f 89 a5 bt %rax,0x6a5898f(%rip) # 0x6a589cd 3d: 06 3e: 0f .byte 0xf 3f: 82 .byte 0x82