watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:9544] Modules linked in: irq event stamp: 3674341 hardirqs last enabled at (3674340): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3674341): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3574758): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3574761): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 9544 Comm: syz-executor.0 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__ieee80211_beacon_get+0x2/0x1310 Code: 89 ef e8 61 11 71 fd e9 44 f9 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 <49> 89 ff 41 56 41 55 41 89 cd 41 54 55 48 89 f5 53 44 89 c3 48 83 RSP: 0018:ffff88806cf09c78 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88806cf09cb0 RSI: ffff8880469fe2e8 RDI: ffff888046fd0de0 RBP: ffff888046fd0de0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 1ffff1100d9e1392 R15: ffff8880469fe2e8 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69a7a70718 CR3: 0000000044fe8000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0xa3a/0x2c10 Code: 10 48 8b 44 24 10 48 2d 00 10 00 00 48 89 04 24 e8 0b 29 dc ff 4c 89 e0 48 c1 e8 03 80 3c 28 00 0f 85 d2 17 00 00 4d 8b 2c 24 <31> ff 4c 89 eb 48 83 e3 9f 48 89 de e8 45 25 dc ff 48 85 db 74 89 RSP: 0018:ffff88803845f700 EFLAGS: 00000246 RAX: 1ffff11006a23810 RBX: 00007fad23a10000 RCX: 0000000000000000 RDX: ffff888044bd1ac0 RSI: ffffffff816cb475 RDI: 0000000000000006 RBP: dffffc0000000000 R08: 0000000000000006 R09: 00007fad23a10000 R10: 00007fad23b61000 R11: 0000000000000001 R12: ffff88803511c080 R13: 8000000038fcc007 R14: 00007fad23b61000 R15: ffff88803845fad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fad257e9b19 Code: Unable to access opcode bytes at 0x7fad257e9aef. RSP: 002b:00007fad22d1d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000004 RBX: 00007fad258fd0e0 RCX: 00007fad257e9b19 RDX: ffffffefffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007fad25843f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe12df853f R14: 00007fad22d1d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9584 Comm: syz-executor.5 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x14e2/0x5e70 Code: 00 00 4c 89 ee 4c 89 e7 e8 ab b6 ff ff 85 c0 0f 84 3e f9 ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 0f b6 04 02 <48> 89 ea 83 e2 07 38 d0 0f 8f 20 f3 ff ff 84 c0 0f 84 18 f3 ff ff RSP: 0018:ffff88806ce09390 EFLAGS: 00000016 RAX: 0000000000000000 RBX: ffff888048338944 RCX: ffffffff812b3b2f RDX: 1ffff11009067153 RSI: 0000000000000008 RDI: ffffffff876360f0 RBP: ffff888048338a9a R08: 0000000000000000 R09: ffffffff876328cf R10: fffffbfff0ec6519 R11: 0000000000000001 R12: ffff888048338000 R13: ffff888048338a78 R14: 0000000000000000 R15: 0000000000066000 FS: 00007f69a7af4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056303a95f648 CR3: 0000000041804000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire.part.0+0x11e/0x340 ktime_get_update_offsets_now+0x9b/0x360 hrtimer_interrupt+0x13b/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__unwind_start+0x4a1/0x7c0 Code: 00 4c 89 f2 49 8b 77 28 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 9f 02 00 00 49 8b 7f 48 4c 89 e1 4c 89 fa 5a e7 f5 ff 85 c0 0f 85 12 01 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88806ce097d0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806ce098b8 RCX: ffff88806ce09840 RDX: ffff88806ce09820 RSI: ffff888048338000 RDI: ffff88806ce097d0 RBP: ffff888048338000 R08: 0000000000000001 R09: ffff88806ce09820 R10: ffffed100d9c1311 R11: 0000000000000001 R12: ffff88806ce09840 R13: ffff88806ce09848 R14: ffff88806ce09868 R15: ffff88806ce09820 arch_stack_walk+0x63/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 kmem_cache_alloc_node+0x283/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__unwind_start+0x4/0x7c0 Code: 1c 24 e8 3f 22 6a 00 4c 8b 1c 24 e9 4c f5 ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 57 49 89 ff 41 56 41 55 4d 8d 6f 28 41 54 49 89 d4 ba 70 00 00 RSP: 0018:ffff8880485e7150 EFLAGS: 00000246 RAX: ffff888048338000 RBX: ffffffff8137fb50 RCX: ffff8880485e71f0 RDX: 0000000000000000 RSI: ffff888048338000 RDI: ffff8880485e7158 RBP: ffff8880485e71f0 R08: 00000000000000c8 R09: ffffed1002cdc47d R10: fffffbfff0ec6523 R11: 0000000000000001 R12: ffff8880485e7220 R13: 0000000000000000 R14: ffff888048338000 R15: ffff88800c26a780 arch_stack_walk+0x63/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xfb/0x610 ext4_mb_new_blocks+0x1403/0x49b0 ext4_ext_map_blocks+0x1fca/0x5d40 ext4_map_blocks+0x776/0x19e0 ext4_getblk+0x604/0x7b0 ext4_bread+0x2e/0x1a0 ext4_append+0x21d/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x495/0x740 do_mkdirat+0x16e/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f69aa59ec27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f69a7af3fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69aa59ec27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f69a7af4040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f69a7af4000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 89 ef mov %ebp,%edi 2: e8 61 11 71 fd callq 0xfd711168 7: e9 44 f9 ff ff jmpq 0xfffff950 c: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 13: 00 00 00 00 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 41 57 push %r15 * 2a: 49 89 ff mov %rdi,%r15 <-- trapping instruction 2d: 41 56 push %r14 2f: 41 55 push %r13 31: 41 89 cd mov %ecx,%r13d 34: 41 54 push %r12 36: 55 push %rbp 37: 48 89 f5 mov %rsi,%rbp 3a: 53 push %rbx 3b: 44 89 c3 mov %r8d,%ebx 3e: 48 rex.W 3f: 83 .byte 0x83