9p: Unknown access argument (: -22 EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:12317] Modules linked in: irq event stamp: 3625095 hardirqs last enabled at (3625094): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3625095): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3617094): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3617107): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 12317 Comm: syz-executor.2 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 1c a9 fc 48 89 ef e8 5e 8f a9 fc 80 e7 02 74 06 e8 64 ee d2 fc fb 65 ff 0d 44 8c 7c 7b <74> 07 5b 5d e9 93 1e 00 00 0f 1f 44 00 00 5b 5d e9 87 1e 00 00 0f RSP: 0018:ffff88806ce09940 EFLAGS: 00000202 RAX: 0000000000375066 RBX: 0000000000000286 RCX: 1ffffffff0fe1e8c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84871a7c RBP: ffffffff85d01a80 R08: 0000000000000001 R09: fffffbfff0fdddf6 R10: ffffffff87eeefb7 R11: 0000000000008067 R12: ffff888043e2d500 R13: 0000000000000280 R14: 0000000000000001 R15: 0000000000000286 FS: 00007fdb8ee19700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555613cd3bc CR3: 000000000e9c8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __create_object+0x59/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 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+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 84 92 ab ff 4d 85 ed 74 06 e8 6a 64 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff8880427a7c70 EFLAGS: 00000286 RAX: 0000000000373151 RBX: ffffea000039c340 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a476 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: ffff88806ce40350 R13: 0000000000000200 R14: ffffea0000711ac0 R15: ffff88800e70dcb8 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 find_get_pmu_context+0x86/0x970 __do_sys_perf_event_open+0x13f7/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdb918a3b19 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:00007fdb8ee19188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fdb919b6f60 RCX: 00007fdb918a3b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000200 RBP: 00007fdb918fdf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8dc6496f R14: 00007fdb8ee19300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 loop4: detected capacity change from 0 to 120 FAT-fs (loop4): count of clusters too big (16325630) FAT-fs (loop4): Can't find a valid FAT filesystem autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) 9p: Unknown access argument (: -22 autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12401:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12401:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12401:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12401:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12395:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12395:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) loop4: detected capacity change from 0 to 104 autofs4:pid:12408:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12408:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12408:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(40963.2), cmd(0xc018937e) autofs4:pid:12408:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) FAT-fs (loop4): count of clusters too big (16325630) FAT-fs (loop4): Can't find a valid FAT filesystem blktrace: Concurrent blktraces are not allowed on sr0 blktrace: Concurrent blktraces are not allowed on sr0 autofs4:pid:12408:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.2), cmd(0xc018937e) autofs4:pid:12408:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) autofs4:pid:12410:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(40963.2), cmd(0xc018937e) autofs4:pid:12410:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc018937e) ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 86 1c a9 fc callq 0xfca91c95 f: 48 89 ef mov %rbp,%rdi 12: e8 5e 8f a9 fc callq 0xfca98f75 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 64 ee d2 fc callq 0xfcd2ee85 21: fb sti 22: 65 ff 0d 44 8c 7c 7b decl %gs:0x7b7c8c44(%rip) # 0x7b7c8c6d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 93 1e 00 00 jmpq 0x1ec5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 87 1e 00 00 jmpq 0x1ec5 3e: 0f .byte 0xf