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 26s! [syz-executor.7:4462] Modules linked in: irq event stamp: 5287581 hardirqs last enabled at (5287580): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5287581): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5271202): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (5271205): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 4462 Comm: syz-executor.7 Not tainted 6.4.0-rc3-next-20230525 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_trace_lock+0xd5/0x480 Code: 8b 78 18 48 c7 c0 00 e4 86 84 48 85 ff 48 0f 44 f8 e8 bf f9 1e 03 49 8d 7e 68 48 89 fa 48 89 c3 48 b8 00 00 00 00 00 fc ff df <48> c1 ea 03 80 3c 02 00 0f 85 87 02 00 00 49 8d 7e 70 4d 8b 66 68 RSP: 0018:ffff88806ce093b0 EFLAGS: 00000202 RAX: dffffc0000000000 RBX: 000000000000000d RCX: 0000000000000005 RDX: ffffffff8550ec28 RSI: ffffffff8560b380 RDI: ffffffff8550ec28 RBP: ffff88806ce09488 R08: 0000000000000000 R09: fffffbfff0ba7042 R10: ffffffff85d38217 R11: 0000000000000001 R12: 1ffff1100d9c127c R13: ffff88806ce09460 R14: ffffffff8550ebc0 R15: 0000000000092820 FS: 00007fd891486700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004000 CR3: 000000001fcf8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: lock_release+0x4a9/0x680 __is_insn_slot_addr+0x147/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc_node+0x229/0x3a0 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb11/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __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+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:rcu_is_watching+0x0/0x70 Code: 82 4b 00 eb a3 e8 d0 83 4b 00 eb e4 48 c7 c7 00 f2 40 85 e8 d2 82 4b 00 eb b1 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 53 65 ff 05 8c e8 cd 7e 48 c7 c3 c0 4f 03 00 48 b8 00 RSP: 0018:ffff8880445f76a8 EFLAGS: 00000247 RAX: 0000000000000001 RBX: 00000000000146d8 RCX: ffffffff817891f7 RDX: fffffbfff0ba7043 RSI: 0000000000000008 RDI: ffffffff85d38210 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0ba7042 R10: ffffffff85d38217 R11: 0000000000000001 R12: 0000000000000003 R13: ffffea000051b608 R14: 0000000000000000 R15: ffffea000051b600 free_unref_page_prepare+0x5d8/0xc60 free_unref_page+0x53/0x220 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x172/0x390 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x2c2/0x510 folio_create_empty_buffers+0x30/0x460 __block_write_begin_int+0x121b/0x1530 ext4_da_write_begin+0x30b/0x840 generic_perform_write+0x2c7/0x690 ext4_buffered_write_iter+0x11d/0x3d0 ext4_file_write_iter+0x3ff/0x1950 vfs_write+0x941/0xd40 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd893f10b19 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:00007fd891486188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd894023f60 RCX: 00007fd893f10b19 RDX: 00000000000292e9 RSI: 0000000020000080 RDI: 0000000000000009 RBP: 00007fd893f6af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe353cbdff R14: 00007fd891486300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc3-next-20230525 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xb20 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 5c 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 6a 21 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8450621b RDX: fffffbfff0b4c1a9 RSI: 0000000000000004 RDI: ffffffff85a60d40 RBP: ffffffff85a60d40 R08: 0000000000000000 R09: fffffbfff0b4c1a8 R10: ffffffff85a60d43 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4c1a8 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055afe4242378 CR3: 000000000e7ea000 CR4: 0000000000350ee0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6e7/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __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+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 33 47 34 00 fb f4 e9 ab 4b 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008e2fe70 EFLAGS: 00000202 RAX: 000000000014cae5 RBX: 0000000000000001 RCX: ffffffff844e28be RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81288115 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e69f8 R10: ffff88806cf34fc3 R11: 0000000000000001 R12: ffffffff85d38210 R13: 1ffff110011c5fd3 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x305/0x3c0 cpu_startup_entry+0x18/0x20 start_secondary+0x19f/0x200 secondary_startup_64_no_verify+0x179/0x17b hpet: Lost 6 RTC interrupts hpet: Lost 1 RTC interrupts ---------------- Code disassembly (best guess): 0: 8b 78 18 mov 0x18(%rax),%edi 3: 48 c7 c0 00 e4 86 84 mov $0xffffffff8486e400,%rax a: 48 85 ff test %rdi,%rdi d: 48 0f 44 f8 cmove %rax,%rdi 11: e8 bf f9 1e 03 callq 0x31ef9d5 16: 49 8d 7e 68 lea 0x68(%r14),%rdi 1a: 48 89 fa mov %rdi,%rdx 1d: 48 89 c3 mov %rax,%rbx 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction 2e: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 32: 0f 85 87 02 00 00 jne 0x2bf 38: 49 8d 7e 70 lea 0x70(%r14),%rdi 3c: 4d 8b 66 68 mov 0x68(%r14),%r12