./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2774273582 <...> [ 30.574324][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.584863][ T3188] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 37.647834][ T27] kauditd_printk_skb: 37 callbacks suppressed [ 37.647853][ T27] audit: type=1400 audit(1658666347.289:73): avc: denied { transition } for pid=3392 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 37.677500][ T27] audit: type=1400 audit(1658666347.299:74): avc: denied { write } for pid=3392 comm="sh" path="pipe:[27894]" dev="pipefs" ino=27894 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.73' (ECDSA) to the list of known hosts. execve("./syz-executor2774273582", ["./syz-executor2774273582"], 0x7ffdfaac6330 /* 10 vars */) = 0 brk(NULL) = 0x555556036000 brk(0x555556036c40) = 0x555556036c40 arch_prctl(ARCH_SET_FS, 0x555556036300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2774273582", 4096) = 28 brk(0x555556057c40) = 0x555556057c40 brk(0x555556058000) = 0x555556058000 mprotect(0x7f5e12620000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 47.109321][ T27] audit: type=1400 audit(1658666356.749:75): avc: denied { execmem } for pid=3609 comm="syz-executor277" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 47.238973][ T3609] INFO: trying to register non-static key. [ 47.244819][ T3609] The code is fine but needs lockdep annotation, or maybe [ 47.251933][ T3609] you didn't initialize this object before use? [ 47.258181][ T3609] turning off the locking correctness validator. [ 47.273026][ T3609] CPU: 1 PID: 3609 Comm: syz-executor277 Not tainted 5.19.0-rc7-syzkaller-00199-g515f71412bb7 #0 [ 47.283726][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 47.293796][ T3609] Call Trace: [ 47.297608][ T3609] [ 47.300553][ T3609] dump_stack_lvl+0xcd/0x134 [ 47.305180][ T3609] register_lock_class+0xf30/0x1130 [ 47.310406][ T3609] ? is_dynamic_key.part.0+0x130/0x130 [ 47.315896][ T3609] ? mark_lock.part.0+0xee/0x1910 [ 47.320947][ T3609] __lock_acquire+0x10a/0x5660 [ 47.325823][ T3609] ? __lock_acquire+0x163e/0x5660 [ 47.330877][ T3609] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 47.336884][ T3609] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 47.342893][ T3609] lock_acquire+0x1ab/0x570 [ 47.347426][ T3609] ? ieee80211_do_stop+0xc3/0x1ff0 [ 47.352567][ T3609] ? lock_release+0x780/0x780 [ 47.357276][ T3609] ? lock_release+0x780/0x780 [ 47.361975][ T3609] ? mark_lock.part.0+0xee/0x1910 [ 47.367038][ T3609] _raw_spin_lock_bh+0x2f/0x40 [ 47.371826][ T3609] ? ieee80211_do_stop+0xc3/0x1ff0 [ 47.376963][ T3609] ieee80211_do_stop+0xc3/0x1ff0 [ 47.381928][ T3609] ? __mutex_lock+0x231/0x1350 [ 47.386710][ T3609] ? ieee80211_stop+0xb8/0x610 [ 47.391497][ T3609] ? mutex_lock_io_nested+0x1190/0x1190 [ 47.397069][ T3609] ? ieee80211_adjust_monitor_flags+0x230/0x230 [ 47.403337][ T3609] ? mark_held_locks+0x9f/0xe0 [ 47.408123][ T3609] ? __local_bh_enable_ip+0xa0/0x120 [ 47.413430][ T3609] ? __local_bh_enable_ip+0xa0/0x120 [ 47.418827][ T3609] ieee80211_stop+0xc5/0x610 [ 47.423447][ T3609] ? ieee80211_do_stop+0x1ff0/0x1ff0 [ 47.430925][ T3609] __dev_close_many+0x1b6/0x2e0 [ 47.435788][ T3609] ? napi_enable+0x210/0x210 [ 47.440364][ T3609] ? __local_bh_enable_ip+0xa0/0x120 [ 47.445644][ T3609] __dev_change_flags+0x2ca/0x750 [ 47.450693][ T3609] ? dev_set_allmulti+0x30/0x30 [ 47.455532][ T3609] ? netdev_state_change+0xa1/0x130 [ 47.460851][ T3609] ? dev_valid_name+0x70/0x70 [ 47.465515][ T3609] dev_change_flags+0x93/0x170 [ 47.470265][ T3609] do_setlink+0x961/0x3bb0 [ 47.474666][ T3609] ? unwind_next_frame+0xfa9/0x1cc0 [ 47.479856][ T3609] ? if_nlmsg_stats_size+0x680/0x680 [ 47.485124][ T3609] ? __module_text_address+0xc7/0x1a0 [ 47.490480][ T3609] ? is_module_text_address+0x47/0x70 [ 47.495837][ T3609] ? kernel_text_address+0x31/0x60 [ 47.500937][ T3609] ? __kernel_text_address+0x9/0x30 [ 47.506119][ T3609] ? unwind_get_return_address+0x51/0x90 [ 47.511738][ T3609] ? create_prof_cpu_mask+0x20/0x20 [ 47.516920][ T3609] ? arch_stack_walk+0x93/0xe0 [ 47.521693][ T3609] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 47.527589][ T3609] ? nla_get_range_signed+0x520/0x520 [ 47.533052][ T3609] ? kasan_save_stack+0x2e/0x40 [ 47.537889][ T3609] ? kasan_save_stack+0x1e/0x40 [ 47.542726][ T3609] ? __nla_parse+0x3d/0x50 [ 47.547170][ T3609] __rtnl_newlink+0xb96/0x17e0 [ 47.554614][ T3609] ? rtnl_link_unregister+0x250/0x250 [ 47.559970][ T3609] ? find_held_lock+0x2d/0x110 [ 47.564744][ T3609] ? rcu_read_lock_sched_held+0x3a/0x70 [ 47.570282][ T3609] ? trace_kmalloc+0x32/0xf0 [ 47.574858][ T3609] ? kmem_cache_alloc_trace+0x203/0x4a0 [ 47.580405][ T3609] rtnl_newlink+0x64/0xa0 [ 47.584737][ T3609] ? __rtnl_newlink+0x17e0/0x17e0 [ 47.589745][ T3609] rtnetlink_rcv_msg+0x43a/0xc90 [ 47.594667][ T3609] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 47.599417][ T3609] netlink_rcv_skb+0x153/0x420 [ 47.604255][ T3609] ? rtnl_fdb_dump+0x9a0/0x9a0 [ 47.609017][ T3609] ? netlink_ack+0xa80/0xa80 [ 47.613849][ T3609] ? netlink_deliver_tap+0x1a2/0xc40 [ 47.619118][ T3609] ? netlink_deliver_tap+0x1b1/0xc40 [ 47.624473][ T3609] netlink_unicast+0x543/0x7f0 [ 47.629240][ T3609] ? netlink_attachskb+0x880/0x880 [ 47.634335][ T3609] netlink_sendmsg+0x917/0xe10 [ 47.639097][ T3609] ? netlink_unicast+0x7f0/0x7f0 [ 47.644020][ T3609] ? netlink_unicast+0x7f0/0x7f0 [ 47.648943][ T3609] sock_sendmsg+0xcf/0x120 [ 47.653345][ T3609] ____sys_sendmsg+0x6eb/0x810 [ 47.658090][ T3609] ? kernel_sendmsg+0x50/0x50 [ 47.662748][ T3609] ? do_recvmmsg+0x6d0/0x6d0 [ 47.667323][ T3609] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 47.673312][ T3609] ? lockdep_hardirqs_on+0x79/0x100 [ 47.678587][ T3609] ___sys_sendmsg+0xf3/0x170 [ 47.683160][ T3609] ? sendmsg_copy_msghdr+0x160/0x160 [ 47.688433][ T3609] ? lock_release+0x780/0x780 [ 47.693098][ T3609] ? ptrace_stop.part.0+0x5ec/0xa80 [ 47.698284][ T3609] ? do_raw_spin_lock+0x120/0x2a0 [ 47.703378][ T3609] ? rwlock_bug.part.0+0x90/0x90 [ 47.708301][ T3609] ? _raw_spin_lock_irq+0x41/0x50 [ 47.713312][ T3609] ? __fget_light+0x20a/0x270 [ 47.717972][ T3609] __x64_sys_sendmsg+0x132/0x220 [ 47.722900][ T3609] ? __sys_sendmsg+0x1b0/0x1b0 [ 47.727648][ T3609] ? _raw_spin_unlock_irq+0x2a/0x40 [ 47.732887][ T3609] ? ptrace_notify+0xfa/0x140 [ 47.737564][ T3609] do_syscall_64+0x35/0xb0 [ 47.741968][ T3609] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 47.747884][ T3609] RIP: 0033:0x7f5e125b3c49 [ 47.752284][ T3609] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 47.771884][ T3609] RSP: 002b:00007ffff4020378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 47.780325][ T3609] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e125b3c49 [ 47.788304][ T3609] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 47.796261][ T3609] RBP: 00007f5e12577df0 R08: 0000000000000008 R09: 0000000000000000 [ 47.804217][ T3609] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f5e12577e80 [ 47.812175][ T3609] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 47.820138][ T3609]