tmpfs: Unsupported parameter 'huge' Invalid option length (64811) for dns_resolver key watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.6:14392] Modules linked in: irq event stamp: 2268999 hardirqs last enabled at (2268998): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2268999): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2253300): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2253305): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 14392 Comm: syz-executor.6 Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0x171/0x6f0 Code: 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 cb 04 00 00 49 81 3c 24 c0 89 7d 87 0f 84 90 02 00 00 9c 8f 04 24 48 b8 00 00 00 00 00 fc ff df 48 89 ea 83 e5 07 48 c1 ea 03 83 RSP: 0018:ffff88806cf09540 EFLAGS: 00000202 RAX: dffffc0000000000 RBX: 1ffff1100d9e12aa RCX: ffffffff8150355e RDX: 1ffffffff0b82c80 RSI: 0000000000000008 RDI: 0000000000000000 RBP: ffffffff863fcc34 R08: 0000000000000001 R09: fffffbfff0c7f7d2 R10: ffffffff863fbe97 R11: 0000000000000003 R12: ffffffff85c16400 R13: ffffffff81727ad6 R14: ffff888037133780 R15: 0000000000082820 FS: 00007f6bda12f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f347229e718 CR3: 000000003cff6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __is_insn_slot_addr+0x13b/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_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff88803d16f670 EFLAGS: 00000246 RAX: ffff88800cdca128 RBX: ffff88800cdca6f0 RCX: ffffea0000337280 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: ffff888008c4f780 R08: ffff88803cc54818 R09: 00000000000d0006 R10: ffffea0000f31500 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803d16f6a8 R14: ffff88803cc54818 R15: ffff88803cc54818 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 jbd2__journal_start+0x193/0x6b0 __ext4_journal_start_sb+0x331/0x600 ext4_dirty_inode+0xa5/0x130 __mark_inode_dirty+0x1b6/0xd50 generic_update_time+0xcb/0xf0 touch_atime+0x4bb/0x590 step_into+0x1221/0x1fa0 walk_component+0xf5/0x5b0 link_path_walk.part.0+0x683/0xd50 path_parentat+0xa8/0x1b0 __filename_parentat+0x20e/0x660 filename_create+0xa3/0x4a0 do_mkdirat+0x9b/0x350 __x64_sys_mkdirat+0x84/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6bdcbb9b19 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:00007f6bda12f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f6bdccccf60 RCX: 00007f6bdcbb9b19 RDX: 00000000000001ff RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f6bdcc13f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3d2fcccf R14: 00007f6bda12f300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 257 Comm: syz-fuzzer Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x4e/0x170 Code: 04 02 84 c0 74 08 3c 03 0f 8e e7 00 00 00 48 8d 7b 08 8b 6b 10 48 b8 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 RSP: 0018:ffff88806ce095e8 EFLAGS: 00000216 RAX: 0000000000000000 RBX: ffff88806ce096d0 RCX: ffff88806ce096a8 RDX: 1ffff1100d9c12db RSI: ffffffff815f150f RDI: ffff88806ce096d8 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce09648 R10: 000000000003a808 R11: 0000000000004332 R12: ffff88806ce096d0 R13: 0000000000000000 R14: ffff888016443780 R15: 0000000000082820 FS: 000000c000030b10(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f80c52fabe0 CR3: 0000000016332000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/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:srso_safe_ret+0x0/0x20 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f RSP: 0018:ffff88801638f488 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff815f1180 RCX: ffff88801638f538 RDX: 0000000000000000 RSI: ffffffff815f150f RDI: ffff88801638f56c RBP: ffff88801638f530 R08: 0000000000000001 R09: ffff88801638f4d8 R10: 000000000003a808 R11: 0000000000004332 R12: ffff88801638f560 R13: 0000000000000000 R14: ffff888016443780 R15: ffff88803d94ec80 srso_return_thunk+0x5/0x5f arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kmem_cache_free+0x138/0x470 kfree_skbmem+0x152/0x1f0 skb_attempt_defer_free+0x3b8/0x460 tcp_recvmsg_locked+0x1112/0x2540 tcp_recvmsg+0x116/0x630 inet_recvmsg+0x12b/0x6b0 sock_recvmsg+0x198/0x240 sock_read_iter+0x2bb/0x3b0 vfs_read+0xa2f/0xbd0 ksys_read+0x1fe/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x4b0f4b Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 5b c3 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 RSP: 002b:000000c0003bb890 EFLAGS: 00000206 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004b0f4b RDX: 0000000000001000 RSI: 000000c000248000 RDI: 0000000000000006 RBP: 000000c0003bb8e0 R08: 0000000000000001 R09: 0000000000000002 R10: 00000000000003ee R11: 0000000000000206 R12: 0000000000005e8b R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 ---------------- Code disassembly (best guess), 6 bytes skipped: 0: df 4c 89 e2 fisttps -0x1e(%rcx,%rcx,4) 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 cb 04 00 00 jne 0x4dd 12: 49 81 3c 24 c0 89 7d cmpq $0xffffffff877d89c0,(%r12) 19: 87 1a: 0f 84 90 02 00 00 je 0x2b0 20: 9c pushfq 21: 8f 04 24 popq (%rsp) * 24: fa cli <-- trapping instruction 25: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 2c: fc ff df 2f: 48 89 ea mov %rbp,%rdx 32: 83 e5 07 and $0x7,%ebp 35: 48 c1 ea 03 shr $0x3,%rdx 39: 83 .byte 0x83