SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5369 sclass=netlink_route_socket pid=6075 comm=syz-executor.6 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:6073] Modules linked in: irq event stamp: 55739618 hardirqs last enabled at (55739617): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (55739617): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (55739618): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (55634614): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (55634609): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 6073 Comm: syz-executor.5 Not tainted 5.10.159 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191 Code: 3e 00 0f 1f 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 2a d7 44 fd 48 89 ef e8 02 91 45 fd f6 c7 02 75 10 53 9d <65> ff 0d 84 4e 20 7c 5b 5d e9 3d 1f 3e 00 e8 18 63 64 fd eb e9 66 RSP: 0018:ffff8880469ffd00 EFLAGS: 00000202 RAX: 00000000035284e1 RBX: 0000000000000202 RCX: 1ffffffff0acdad9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e220c8 RBP: ffff8880456fc450 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880456fc450 R13: 1ffff11008d3ffa5 R14: 0000000000000202 R15: ffff8880469ffea8 FS: 00007f68af318700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004c80 CR3: 0000000046d1a000 CR4: 0000000000350ef0 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] prepare_to_wait_exclusive+0x129/0x2a0 kernel/sched/wait.c:273 io_cqring_wait fs/io_uring.c:7043 [inline] __do_sys_io_uring_enter+0x825/0x1920 fs/io_uring.c:9171 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f68b1da2b19 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:00007f68af318188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007f68b1eb5f60 RCX: 00007f68b1da2b19 RDX: 0000000000005da1 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f68b1dfcf6d R08: 0000000020000180 R09: 0000000000000008 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd768ec53f R14: 00007f68af318300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6081 Comm: syz-executor.2 Not tainted 5.10.159 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire+0xf8/0x490 kernel/locking/lockdep.c:5538 Code: 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 46 03 00 00 8b 0d 46 1b 40 04 85 c9 <0f> 84 bb 00 00 00 65 8b 05 3b 80 db 7e 85 c0 0f 85 f5 00 00 00 65 RSP: 0018:ffff888046b17c58 EFLAGS: 00000002 RAX: 0000000000000007 RBX: 1ffff11008d62f8d RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff84ff8220 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff85670a8f R10: fffffbfff0ace151 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88804693a468 R15: 0000000000000000 FS: 00007fd567897700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d325000 CR3: 0000000047b04000 CR4: 0000000000350ee0 Call Trace: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x36/0x60 kernel/locking/spinlock.c:159 finish_wait+0xb2/0x210 kernel/sched/wait.c:392 io_cqring_wait fs/io_uring.c:7056 [inline] __do_sys_io_uring_enter+0xdf1/0x1920 fs/io_uring.c:9171 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fd56a321b19 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:00007fd567897188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007fd56a434f60 RCX: 00007fd56a321b19 RDX: 0000000000005da1 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fd56a37bf6d R08: 0000000020000180 R09: 0000000000000008 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff26461b2f R14: 00007fd567897300 R15: 0000000000022000 hpet: Lost 3 RTC interrupts hpet: Lost 2 RTC interrupts ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 0f 1f 00 nopl (%rax) 3: 55 push %rbp 4: 48 89 fd mov %rdi,%rbp 7: 48 83 c7 18 add $0x18,%rdi b: 53 push %rbx c: 48 89 f3 mov %rsi,%rbx f: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 14: e8 2a d7 44 fd callq 0xfd44d743 19: 48 89 ef mov %rbp,%rdi 1c: e8 02 91 45 fd callq 0xfd459123 21: f6 c7 02 test $0x2,%bh 24: 75 10 jne 0x36 26: 53 push %rbx 27: 9d popfq * 28: 65 ff 0d 84 4e 20 7c decl %gs:0x7c204e84(%rip) # 0x7c204eb3 <-- trapping instruction 2f: 5b pop %rbx 30: 5d pop %rbp 31: e9 3d 1f 3e 00 jmpq 0x3e1f73 36: e8 18 63 64 fd callq 0xfd646353 3b: eb e9 jmp 0x26 3d: 66 data16