[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.362432][ T25] kauditd_printk_skb: 7 callbacks suppressed [ 70.362443][ T25] audit: type=1800 audit(1575185902.739:39): pid=9678 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 70.391231][ T25] audit: type=1800 audit(1575185902.739:40): pid=9678 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 71.324752][ T25] audit: type=1400 audit(1575185903.699:41): avc: denied { map } for pid=9856 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. syzkaller login: [ 77.967372][ T25] audit: type=1400 audit(1575185910.339:42): avc: denied { map } for pid=9868 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/12/01 07:38:30 parsed 1 programs [ 79.483279][ T25] audit: type=1400 audit(1575185911.859:43): avc: denied { map } for pid=9868 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1048 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/12/01 07:38:32 executed programs: 0 [ 79.732391][ T9883] IPVS: ftp: loaded support on port[0] = 21 [ 79.804353][ T9883] chnl_net:caif_netlink_parms(): no params data found [ 79.836301][ T9883] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.844164][ T9883] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.853117][ T9883] device bridge_slave_0 entered promiscuous mode [ 79.861535][ T9883] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.869654][ T9883] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.878002][ T9883] device bridge_slave_1 entered promiscuous mode [ 79.896885][ T9883] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.909198][ T9883] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.928729][ T9883] team0: Port device team_slave_0 added [ 79.936459][ T9883] team0: Port device team_slave_1 added [ 80.019313][ T9883] device hsr_slave_0 entered promiscuous mode [ 80.067867][ T9883] device hsr_slave_1 entered promiscuous mode [ 80.168072][ T25] audit: type=1400 audit(1575185912.539:44): avc: denied { create } for pid=9883 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.169950][ T9883] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.198961][ T25] audit: type=1400 audit(1575185912.549:45): avc: denied { write } for pid=9883 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.226753][ T25] audit: type=1400 audit(1575185912.549:46): avc: denied { read } for pid=9883 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.279908][ T9883] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.349848][ T9883] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.409708][ T9883] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.489504][ T9883] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.496669][ T9883] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.504653][ T9883] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.511949][ T9883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.552405][ T9883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.566053][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.588274][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.607898][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.616043][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.629313][ T9883] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.641146][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.650075][ T1193] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.657217][ T1193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.678553][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.686932][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.694146][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.702799][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.713305][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.724808][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.736363][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.750059][ T9883] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.762432][ T9883] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.775358][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.792727][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.800458][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.812636][ T9883] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.824401][ T25] audit: type=1400 audit(1575185913.199:47): avc: denied { associate } for pid=9883 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 80.923777][ T9891] kasan: CONFIG_KASAN_INLINE enabled [ 80.929117][ T9891] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.937168][ T9891] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.944091][ T9891] CPU: 1 PID: 9891 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 80.952328][ T9891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.962577][ T9891] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 80.968204][ T9891] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e 20 19 78 8a 0f 84 5f ee ff [ 80.988496][ T9891] RSP: 0018:ffff888099a2fb48 EFLAGS: 00010006 [ 80.994551][ T9891] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.002513][ T9891] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 81.010472][ T9891] RBP: ffff888099a2fc60 R08: 0000000000000001 R09: 0000000000000001 [ 81.019910][ T9891] R10: fffffbfff146e1d0 R11: ffff88809e80c080 R12: 00000000000010c0 [ 81.027875][ T9891] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 81.036975][ T9891] FS: 00007f9972555700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.046631][ T9891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.053313][ T9891] CR2: 000000000075c000 CR3: 00000000a8882000 CR4: 00000000001406e0 [ 81.061271][ T9891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.069305][ T9891] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.077264][ T9891] Call Trace: [ 81.080555][ T9891] ? __kasan_check_read+0x11/0x20 [ 81.085555][ T9891] ? __lock_acquire+0x16f2/0x4a00 [ 81.090558][ T9891] ? rwlock_bug.part.0+0x90/0x90 [ 81.095488][ T9891] ? lock_acquire+0x190/0x410 [ 81.100156][ T9891] ? mark_held_locks+0xf0/0xf0 [ 81.104907][ T9891] lock_acquire+0x190/0x410 [ 81.109401][ T9891] ? j1939_jsk_del+0x32/0x210 [ 81.114058][ T9891] _raw_spin_lock_bh+0x33/0x50 [ 81.118817][ T9891] ? j1939_jsk_del+0x32/0x210 [ 81.123484][ T9891] j1939_jsk_del+0x32/0x210 [ 81.128281][ T9891] ? lock_sock_nested+0xe2/0x120 [ 81.133217][ T9891] j1939_sk_bind+0x2ea/0x8f0 [ 81.137800][ T9891] __sys_bind+0x239/0x290 [ 81.142120][ T9891] ? __ia32_sys_socketpair+0xf0/0xf0 [ 81.147381][ T9891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.153595][ T9891] ? put_timespec64+0xda/0x140 [ 81.158471][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.164015][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.169545][ T9891] ? do_syscall_64+0x26/0x790 [ 81.174210][ T9891] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.180541][ T9891] ? do_syscall_64+0x26/0x790 [ 81.185207][ T9891] __x64_sys_bind+0x73/0xb0 [ 81.189777][ T9891] do_syscall_64+0xfa/0x790 [ 81.194365][ T9891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.200260][ T9891] RIP: 0033:0x45a679 [ 81.204140][ T9891] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.224157][ T9891] RSP: 002b:00007f9972554c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 81.232544][ T9891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 81.240490][ T9891] RDX: 0000000000000018 RSI: 00000000200000c0 RDI: 0000000000000003 [ 81.249043][ T9891] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 81.257000][ T9891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99725556d4 [ 81.264974][ T9891] R13: 00000000004c09e9 R14: 00000000004d37d0 R15: 00000000ffffffff [ 81.273184][ T9891] Modules linked in: [ 81.277138][ T9891] ------------[ cut here ]------------ [ 81.282602][ T9891] WARNING: CPU: 1 PID: 9891 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 [ 81.292030][ T9891] Kernel panic - not syncing: panic_on_warn set ... [ 81.298733][ T9891] ------------[ cut here ]------------ [ 81.304209][ T9891] WARNING: CPU: 1 PID: 9891 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 [ 81.314102][ T9891] Modules linked in: [ 81.317994][ T9891] CPU: 1 PID: 9891 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 81.326292][ T9891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.336530][ T9891] RIP: 0010:mutex_trylock+0x279/0x2f0 [ 81.341880][ T9891] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 fc 12 a0 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 e0 54 20 8b 48 89 4d d0 e8 b0 7a f7 [ 81.361459][ T9891] RSP: 0018:ffff888099a2f3f8 EFLAGS: 00010006 [ 81.367501][ T9891] RAX: 0000000080000202 RBX: 1ffff11013345e87 RCX: 0000000000000004 [ 81.375448][ T9891] RDX: 0000000000000000 RSI: ffffffff816bc9c5 RDI: ffffffff895c25a0 [ 81.383397][ T9891] RBP: ffff888099a2f428 R08: 0000000000000002 R09: fffffbfff12b381d [ 81.391367][ T9891] R10: fffffbfff12b381c R11: ffffffff8959c0e3 R12: ffffffff8b2054e0 [ 81.399329][ T9891] R13: 0000000000000000 R14: ffffffff87bab400 R15: ffffffff895c25a0 [ 81.408021][ T9891] FS: 00007f9972555700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.416943][ T9891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.423516][ T9891] CR2: 000000000075c000 CR3: 00000000a8882000 CR4: 00000000001406e0 [ 81.431489][ T9891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.439463][ T9891] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.447421][ T9891] Call Trace: [ 81.450746][ T9891] ? mutex_trylock+0x1f0/0x2f0 [ 81.455523][ T9891] __crash_kexec+0x91/0x200 [ 81.467047][ T9891] ? kexec_crash_loaded+0x20/0x20 [ 81.472051][ T9891] ? trace_hardirqs_off+0x62/0x240 [ 81.477144][ T9891] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 81.482936][ T9891] ? __printk_safe_flush+0x31e/0x3a0 [ 81.488206][ T9891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.493901][ T9891] ? find_next_bit+0x107/0x130 [ 81.498640][ T9891] ? cpumask_next+0x41/0x50 [ 81.503152][ T9891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 81.508846][ T9891] ? printk_safe_flush+0xf2/0x140 [ 81.513845][ T9891] ? mutex_trylock+0x1f0/0x2f0 [ 81.518585][ T9891] panic+0x308/0x75c [ 81.522467][ T9891] ? add_taint.cold+0x16/0x16 [ 81.527133][ T9891] ? printk+0xba/0xed [ 81.531091][ T9891] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 81.536536][ T9891] ? __warn.cold+0x14/0x3e [ 81.540927][ T9891] ? __warn+0xd9/0x1cf [ 81.544972][ T9891] ? mutex_trylock+0x279/0x2f0 [ 81.550575][ T9891] __warn.cold+0x2f/0x3e [ 81.554810][ T9891] ? report_bug.cold+0x63/0xb2 [ 81.559547][ T9891] ? mutex_trylock+0x279/0x2f0 [ 81.564286][ T9891] report_bug+0x289/0x300 [ 81.568717][ T9891] do_error_trap+0x11b/0x200 [ 81.573317][ T9891] do_invalid_op+0x37/0x50 [ 81.577724][ T9891] ? mutex_trylock+0x279/0x2f0 [ 81.582578][ T9891] invalid_op+0x23/0x30 [ 81.586908][ T9891] RIP: 0010:mutex_trylock+0x279/0x2f0 [ 81.592274][ T9891] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 fc 12 a0 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 e0 54 20 8b 48 89 4d d0 e8 b0 7a f7 [ 81.612135][ T9891] RSP: 0018:ffff888099a2f830 EFLAGS: 00010006 [ 81.618196][ T9891] RAX: 0000000080000201 RBX: 1ffff11013345f0e RCX: 0000000000000004 [ 81.626237][ T9891] RDX: 0000000000000000 RSI: ffffffff816bc9c5 RDI: ffffffff895c25a0 [ 81.634451][ T9891] RBP: ffff888099a2f860 R08: 0000000000000001 R09: fffffbfff12b381d [ 81.642748][ T9891] R10: fffffbfff12b381c R11: ffffffff8959c0e3 R12: ffffffff8b2054e0 [ 81.650874][ T9891] R13: ffff888099a2fa98 R14: ffffffff89561480 R15: ffffffff895c25a0 [ 81.658978][ T9891] ? __crash_kexec+0x85/0x200 [ 81.663638][ T9891] __crash_kexec+0x91/0x200 [ 81.668145][ T9891] ? kexec_crash_loaded+0x20/0x20 [ 81.673680][ T9891] ? trace_hardirqs_off+0x62/0x240 [ 81.678885][ T9891] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 81.684679][ T9891] ? __printk_safe_flush+0x31e/0x3a0 [ 81.690096][ T9891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 81.695803][ T9891] ? find_next_bit+0x107/0x130 [ 81.700561][ T9891] ? cpumask_next+0x41/0x50 [ 81.705203][ T9891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 81.710937][ T9891] ? printk_safe_flush+0xf2/0x140 [ 81.715956][ T9891] crash_kexec+0x78/0xe0 [ 81.720206][ T9891] oops_end+0xaa/0xf0 [ 81.724577][ T9891] die+0x3e/0x48 [ 81.728120][ T9891] do_general_protection+0x15d/0x370 [ 81.733413][ T9891] general_protection+0x2d/0x40 [ 81.738267][ T9891] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 81.743988][ T9891] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e 20 19 78 8a 0f 84 5f ee ff [ 81.763682][ T9891] RSP: 0018:ffff888099a2fb48 EFLAGS: 00010006 [ 81.769742][ T9891] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.777721][ T9891] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 81.785686][ T9891] RBP: ffff888099a2fc60 R08: 0000000000000001 R09: 0000000000000001 [ 81.793637][ T9891] R10: fffffbfff146e1d0 R11: ffff88809e80c080 R12: 00000000000010c0 [ 81.801697][ T9891] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 81.811499][ T9891] ? __kasan_check_read+0x11/0x20 [ 81.816501][ T9891] ? __lock_acquire+0x16f2/0x4a00 [ 81.821501][ T9891] ? rwlock_bug.part.0+0x90/0x90 [ 81.827236][ T9891] ? lock_acquire+0x190/0x410 [ 81.831920][ T9891] ? mark_held_locks+0xf0/0xf0 [ 81.836660][ T9891] lock_acquire+0x190/0x410 [ 81.841165][ T9891] ? j1939_jsk_del+0x32/0x210 [ 81.845833][ T9891] _raw_spin_lock_bh+0x33/0x50 [ 81.850571][ T9891] ? j1939_jsk_del+0x32/0x210 [ 81.855408][ T9891] j1939_jsk_del+0x32/0x210 [ 81.860258][ T9891] ? lock_sock_nested+0xe2/0x120 [ 81.865172][ T9891] j1939_sk_bind+0x2ea/0x8f0 [ 81.869742][ T9891] __sys_bind+0x239/0x290 [ 81.874225][ T9891] ? __ia32_sys_socketpair+0xf0/0xf0 [ 81.879497][ T9891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.886060][ T9891] ? put_timespec64+0xda/0x140 [ 81.890819][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.896259][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.901698][ T9891] ? do_syscall_64+0x26/0x790 [ 81.906356][ T9891] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.913992][ T9891] ? do_syscall_64+0x26/0x790 [ 81.918648][ T9891] __x64_sys_bind+0x73/0xb0 [ 81.923131][ T9891] do_syscall_64+0xfa/0x790 [ 81.927613][ T9891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.933493][ T9891] RIP: 0033:0x45a679 [ 81.937367][ T9891] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.957359][ T9891] RSP: 002b:00007f9972554c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 81.966768][ T9891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 81.975045][ T9891] RDX: 0000000000000018 RSI: 00000000200000c0 RDI: 0000000000000003 [ 81.983038][ T9891] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 81.991013][ T9891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99725556d4 [ 81.998963][ T9891] R13: 00000000004c09e9 R14: 00000000004d37d0 R15: 00000000ffffffff [ 82.006934][ T9891] irq event stamp: 74 [ 82.010910][ T9891] hardirqs last enabled at (73): [] __local_bh_enable_ip+0x15a/0x270 [ 82.021669][ T9891] hardirqs last disabled at (71): [] __local_bh_enable_ip+0x11a/0x270 [ 82.031929][ T9891] softirqs last enabled at (72): [] lock_sock_nested+0x9a/0x120 [ 82.041454][ T9891] softirqs last disabled at (74): [] j1939_jsk_del+0x32/0x210 [ 82.050464][ T9891] ---[ end trace ae866f3a5b78e72e ]--- [ 82.056291][ T9891] ------------[ cut here ]------------ [ 82.061747][ T9891] WARNING: CPU: 1 PID: 9891 at kernel/locking/mutex.c:737 mutex_unlock+0x1d/0x30 [ 82.071603][ T9891] Modules linked in: [ 82.075483][ T9891] CPU: 1 PID: 9891 Comm: syz-executor.0 Tainted: G W 5.4.0-syzkaller #0 [ 82.085429][ T9891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.095769][ T9891] RIP: 0010:mutex_unlock+0x1d/0x30 [ 82.101037][ T9891] Code: 4c 89 ff e8 05 86 f7 f9 e9 8c fb ff ff 55 65 8b 05 10 75 47 78 a9 00 ff 1f 00 48 89 e5 75 0b 48 8b 75 08 e8 45 f9 ff ff 5d c3 <0f> 0b 48 8b 75 08 e8 38 f9 ff ff 5d c3 66 0f 1f 44 00 00 48 b8 00 [ 82.121216][ T9891] RSP: 0018:ffff888099a2f428 EFLAGS: 00010006 [ 82.127812][ T9891] RAX: 0000000080000202 RBX: 1ffff11013345e87 RCX: ffffffff816bc9dd [ 82.135761][ T9891] RDX: 0000000000000000 RSI: ffffffff816bca3f RDI: ffffffff895c25a0 [ 82.143805][ T9891] RBP: ffff888099a2f428 R08: ffff88809e80c080 R09: 0000000000000000 [ 82.151965][ T9891] R10: fffffbfff12b84b4 R11: ffffffff895c25a7 R12: 0000000000000001 [ 82.160699][ T9891] R13: 0000000000000000 R14: ffffffff87bab400 R15: 000000000000058b [ 82.168652][ T9891] FS: 00007f9972555700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 82.177577][ T9891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.185040][ T9891] CR2: 000000000075c000 CR3: 00000000a8882000 CR4: 00000000001406e0 [ 82.193014][ T9891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.201778][ T9891] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.210097][ T9891] Call Trace: [ 82.213574][ T9891] __crash_kexec+0x10b/0x200 [ 82.218790][ T9891] ? kexec_crash_loaded+0x20/0x20 [ 82.224965][ T9891] ? trace_hardirqs_off+0x62/0x240 [ 82.230484][ T9891] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 82.236376][ T9891] ? __printk_safe_flush+0x31e/0x3a0 [ 82.241653][ T9891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 82.247886][ T9891] ? find_next_bit+0x107/0x130 [ 82.252744][ T9891] ? cpumask_next+0x41/0x50 [ 82.257673][ T9891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 82.264003][ T9891] ? printk_safe_flush+0xf2/0x140 [ 82.270421][ T9891] ? mutex_trylock+0x1f0/0x2f0 [ 82.275751][ T9891] panic+0x308/0x75c [ 82.280581][ T9891] ? add_taint.cold+0x16/0x16 [ 82.285607][ T9891] ? printk+0xba/0xed [ 82.289585][ T9891] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 82.295021][ T9891] ? __warn.cold+0x14/0x3e [ 82.299414][ T9891] ? __warn+0xd9/0x1cf [ 82.303560][ T9891] ? mutex_trylock+0x279/0x2f0 [ 82.308402][ T9891] __warn.cold+0x2f/0x3e [ 82.312622][ T9891] ? report_bug.cold+0x63/0xb2 [ 82.317363][ T9891] ? mutex_trylock+0x279/0x2f0 [ 82.322105][ T9891] report_bug+0x289/0x300 [ 82.326424][ T9891] do_error_trap+0x11b/0x200 [ 82.331163][ T9891] do_invalid_op+0x37/0x50 [ 82.335730][ T9891] ? mutex_trylock+0x279/0x2f0 [ 82.340670][ T9891] invalid_op+0x23/0x30 [ 82.345112][ T9891] RIP: 0010:mutex_trylock+0x279/0x2f0 [ 82.350571][ T9891] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 fc 12 a0 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 e0 54 20 8b 48 89 4d d0 e8 b0 7a f7 [ 82.373039][ T9891] RSP: 0018:ffff888099a2f830 EFLAGS: 00010006 [ 82.382293][ T9891] RAX: 0000000080000201 RBX: 1ffff11013345f0e RCX: 0000000000000004 [ 82.391714][ T9891] RDX: 0000000000000000 RSI: ffffffff816bc9c5 RDI: ffffffff895c25a0 [ 82.402163][ T9891] RBP: ffff888099a2f860 R08: 0000000000000001 R09: fffffbfff12b381d [ 82.410460][ T9891] R10: fffffbfff12b381c R11: ffffffff8959c0e3 R12: ffffffff8b2054e0 [ 82.419227][ T9891] R13: ffff888099a2fa98 R14: ffffffff89561480 R15: ffffffff895c25a0 [ 82.427859][ T9891] ? __crash_kexec+0x85/0x200 [ 82.433004][ T9891] __crash_kexec+0x91/0x200 [ 82.437979][ T9891] ? kexec_crash_loaded+0x20/0x20 [ 82.443784][ T9891] ? trace_hardirqs_off+0x62/0x240 [ 82.449259][ T9891] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 82.455440][ T9891] ? __printk_safe_flush+0x31e/0x3a0 [ 82.461117][ T9891] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 82.468947][ T9891] ? find_next_bit+0x107/0x130 [ 82.473794][ T9891] ? cpumask_next+0x41/0x50 [ 82.479370][ T9891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 82.489197][ T9891] ? printk_safe_flush+0xf2/0x140 [ 82.496234][ T9891] crash_kexec+0x78/0xe0 [ 82.500497][ T9891] oops_end+0xaa/0xf0 [ 82.505295][ T9891] die+0x3e/0x48 [ 82.509193][ T9891] do_general_protection+0x15d/0x370 [ 82.514611][ T9891] general_protection+0x2d/0x40 [ 82.520378][ T9891] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 82.526471][ T9891] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e 20 19 78 8a 0f 84 5f ee ff [ 82.546878][ T9891] RSP: 0018:ffff888099a2fb48 EFLAGS: 00010006 [ 82.553073][ T9891] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 82.561851][ T9891] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 82.570043][ T9891] RBP: ffff888099a2fc60 R08: 0000000000000001 R09: 0000000000000001 [ 82.578975][ T9891] R10: fffffbfff146e1d0 R11: ffff88809e80c080 R12: 00000000000010c0 [ 82.587756][ T9891] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 82.597520][ T9891] ? __kasan_check_read+0x11/0x20 [ 82.602867][ T9891] ? __lock_acquire+0x16f2/0x4a00 [ 82.607973][ T9891] ? rwlock_bug.part.0+0x90/0x90 [ 82.613579][ T9891] ? lock_acquire+0x190/0x410 [ 82.618348][ T9891] ? mark_held_locks+0xf0/0xf0 [ 82.623995][ T9891] lock_acquire+0x190/0x410 [ 82.629142][ T9891] ? j1939_jsk_del+0x32/0x210 [ 82.634043][ T9891] _raw_spin_lock_bh+0x33/0x50 [ 82.638820][ T9891] ? j1939_jsk_del+0x32/0x210 [ 82.648716][ T9891] j1939_jsk_del+0x32/0x210 [ 82.653673][ T9891] ? lock_sock_nested+0xe2/0x120 [ 82.658615][ T9891] j1939_sk_bind+0x2ea/0x8f0 [ 82.663325][ T9891] __sys_bind+0x239/0x290 [ 82.667651][ T9891] ? __ia32_sys_socketpair+0xf0/0xf0 [ 82.675905][ T9891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.682324][ T9891] ? put_timespec64+0xda/0x140 [ 82.687193][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.692905][ T9891] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 82.698639][ T9891] ? do_syscall_64+0x26/0x790 [ 82.703443][ T9891] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.709861][ T9891] ? do_syscall_64+0x26/0x790 [ 82.714631][ T9891] __x64_sys_bind+0x73/0xb0 [ 82.721303][ T9891] do_syscall_64+0xfa/0x790 [ 82.725818][ T9891] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.731967][ T9891] RIP: 0033:0x45a679 [ 82.737278][ T9891] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.757078][ T9891] RSP: 002b:00007f9972554c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 82.765783][ T9891] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 82.773742][ T9891] RDX: 0000000000000018 RSI: 00000000200000c0 RDI: 0000000000000003 [ 82.782046][ T9891] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 82.790706][ T9891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99725556d4 [ 82.800226][ T9891] R13: 00000000004c09e9 R14: 00000000004d37d0 R15: 00000000ffffffff [ 82.809562][ T9891] irq event stamp: 74 [ 82.815752][ T9891] hardirqs last enabled at (73): [] __local_bh_enable_ip+0x15a/0x270 [ 82.826093][ T9891] hardirqs last disabled at (71): [] __local_bh_enable_ip+0x11a/0x270 [ 82.835899][ T9891] softirqs last enabled at (72): [] lock_sock_nested+0x9a/0x120 [ 82.847574][ T9891] softirqs last disabled at (74): [] j1939_jsk_del+0x32/0x210 [ 82.856806][ T9891] ---[ end trace ae866f3a5b78e72f ]--- [ 82.863622][ T9891] Kernel Offset: disabled [ 82.868265][ T9891] Rebooting in 86400 seconds..