./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor327925856 <...> [ 24.621772][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.645551][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 39.996273][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 39.996288][ T26] audit: type=1400 audit(1667129324.907:73): avc: denied { transition } for pid=3586 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 [ 40.024768][ T26] audit: type=1400 audit(1667129324.907:74): avc: denied { write } for pid=3586 comm="sh" path="pipe:[28882]" dev="pipefs" ino=28882 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. execve("./syz-executor327925856", ["./syz-executor327925856"], 0x7fff46622200 /* 10 vars */) = 0 brk(NULL) = 0x5555558ff000 brk(0x5555558ffc40) = 0x5555558ffc40 arch_prctl(ARCH_SET_FS, 0x5555558ff300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor327925856", 4096) = 27 brk(0x555555920c40) = 0x555555920c40 brk(0x555555921000) = 0x555555921000 mprotect(0x7f98424fa000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555558ff5d0) = 3605 ./strace-static-x86_64: Process 3605 attached [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [ 49.203206][ T26] audit: type=1400 audit(1667129334.107:75): avc: denied { execmem } for pid=3604 comm="syz-executor327" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.224109][ T26] audit: type=1400 audit(1667129334.127:76): avc: denied { mounton } for pid=3605 comm="syz-executor327" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 76 ff ff ff e8 fb 1d b2 f8 0f 0b e9 43 fe ff ff e8 ef 1d [ 49.573667][ T3605] RSP: 0018:ffffc900035e74f8 EFLAGS: 00010286 [ 49.579768][ T3605] RAX: 0000000000000000 RBX: ffff888073838000 RCX: 0000000000000000 [ 49.587806][ T3605] RDX: ffff8880284ae200 RSI: ffffffff816142b8 RDI: fffff520006bce91 [ 49.595809][ T3605] RBP: ffff888073838000 R08: 0000000000000005 R09: 0000000000000000 [ 49.603779][ T3605] R10: 0000000080000000 R11: 46203a316e616c77 R12: 0000000000000000 [ 49.611766][ T3605] R13: ffff88807383a248 R14: 0000000000000000 R15: ffff88806f2506c0 [ 49.619751][ T3605] FS: 00005555558ff300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 49.628741][ T3605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.635454][ T3605] CR2: 0000000020000140 CR3: 000000002082e000 CR4: 00000000003506e0 [ 49.643431][ T3605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.651451][ T3605] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.659492][ T3605] Call Trace: [ 49.662770][ T3605] [ 49.665718][ T3605] ieee80211_set_mcast_rate+0x3e/0x50 [ 49.671109][ T3605] ? ieee80211_copy_mbssid_beacon+0x270/0x270 [ 49.677215][ T3605] nl80211_set_mcast_rate+0x35d/0x6d0 [ 49.682601][ T3605] ? nl80211_tdls_cancel_channel_switch+0x660/0x660 [ 49.689227][ T3605] ? nl80211_pre_doit+0x11c/0xab0 [ 49.694275][ T3605] genl_family_rcv_msg_doit+0x228/0x320 [ 49.699862][ T3605] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 49.707284][ T3605] ? cap_capable+0x1f1/0x280 [ 49.711893][ T3605] ? ns_capable+0xd9/0x100 [ 49.716347][ T3605] genl_rcv_msg+0x441/0x780 [ 49.720945][ T3605] ? genl_get_cmd+0x480/0x480 [ 49.725652][ T3605] ? __alloc_skb+0xd9/0x2f0 [ 49.730159][ T3605] ? netlink_sendmsg+0x9a2/0xe10 [ 49.735155][ T3605] ? sock_sendmsg+0xcf/0x120 [ 49.739747][ T3605] ? nl80211_tdls_cancel_channel_switch+0x660/0x660 [ 49.746361][ T3605] ? lock_release+0x810/0x810 [ 49.751040][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.756520][ T3605] ? lock_acquire+0x4fc/0x630 [ 49.761201][ T3605] netlink_rcv_skb+0x153/0x420 [ 49.765988][ T3605] ? genl_get_cmd+0x480/0x480 [ 49.770670][ T3605] ? netlink_ack+0xd50/0xd50 [ 49.775315][ T3605] ? netlink_deliver_tap+0x1b1/0xc40 [ 49.780605][ T3605] genl_rcv+0x24/0x40 [ 49.784574][ T3605] netlink_unicast+0x543/0x7f0 [ 49.789368][ T3605] ? netlink_attachskb+0x880/0x880 [ 49.794485][ T3605] netlink_sendmsg+0x917/0xe10 [ 49.799269][ T3605] ? netlink_unicast+0x7f0/0x7f0 [ 49.804219][ T3605] ? netlink_unicast+0x7f0/0x7f0 [ 49.809181][ T3605] sock_sendmsg+0xcf/0x120 [ 49.813617][ T3605] ____sys_sendmsg+0x712/0x8c0 [ 49.818421][ T3605] ? copy_msghdr_from_user+0xfc/0x150 [ 49.823809][ T3605] ? kernel_sendmsg+0x50/0x50 [ 49.828529][ T3605] ? finish_task_switch.isra.0+0x2b5/0xc80 [ 49.834359][ T3605] ? trace_hardirqs_on+0x2d/0x160 [ 49.839432][ T3605] ___sys_sendmsg+0x110/0x1b0 [ 49.844115][ T3605] ? do_recvmmsg+0x6e0/0x6e0 [ 49.848724][ T3605] ? __schedule+0xaf1/0x53f0 [ 49.853329][ T3605] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 49.859184][ T3605] ? trace_hardirqs_on+0x2d/0x160 [ 49.864221][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.869723][ T3605] ? lock_acquire+0x4fc/0x630 [ 49.874403][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 49.879913][ T3605] ? lock_acquire+0x4fc/0x630 [ 49.884598][ T3605] ? lock_release+0x810/0x810 [ 49.889320][ T3605] ? ptrace_stop.part.0+0x49a/0x8c0 [ 49.894531][ T3605] ? do_raw_spin_lock+0x120/0x2a0 [ 49.899592][ T3605] ? rwlock_bug.part.0+0x90/0x90 [ 49.904536][ T3605] ? __fget_light+0x20a/0x270 [ 49.909263][ T3605] __sys_sendmsg+0xf3/0x1c0 [ 49.913778][ T3605] ? __sys_sendmsg_sock+0x30/0x30 [ 49.918852][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 49.923719][ T3605] ? _raw_spin_unlock_irq+0x2a/0x40 [ 49.928959][ T3605] ? ptrace_notify+0xfa/0x140 [ 49.933652][ T3605] do_syscall_64+0x35/0xb0 [ 49.938100][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.944006][ T3605] RIP: 0033:0x7f9842486b49 [ 49.948445][ T3605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.968100][ T3605] RSP: 002b:00007ffe120ac938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.976551][ T3605] RAX: ffffffffffffffda RBX: 00007f98425003a0 RCX: 00007f9842486b49 [ 49.984542][ T3605] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004 [ 49.992559][ T3605] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 50.000553][ T3605] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 50.008546][ T3605] R13: 00007ffe120ac980 R14: 00007ffe120ac96a R15: 00007f9842500410 [ 50.016539][ T3605] [ 50.019545][ T3605] Kernel panic - not syncing: panic_on_warn set ... [ 50.026127][ T3605] CPU: 1 PID: 3605 Comm: syz-executor327 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 [ 50.036524][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 50.046572][ T3605] Call Trace: [ 50.049840][ T3605] [ 50.052758][ T3605] dump_stack_lvl+0xcd/0x134 [ 50.057340][ T3605] panic+0x2c8/0x622 [ 50.061235][ T3605] ? panic_print_sys_info.part.0+0x110/0x110 [ 50.067232][ T3605] ? __warn.cold+0x24b/0x350 [ 50.071818][ T3605] ? ieee80211_link_info_change_notify+0x1f9/0x260 [ 50.078319][ T3605] __warn.cold+0x25c/0x350 [ 50.082729][ T3605] ? ieee80211_link_info_change_notify+0x1f9/0x260 [ 50.089245][ T3605] report_bug+0x1bc/0x210 [ 50.093579][ T3605] handle_bug+0x3c/0x70 [ 50.097728][ T3605] exc_invalid_op+0x14/0x40 [ 50.102226][ T3605] asm_exc_invalid_op+0x16/0x20 [ 50.107073][ T3605] RIP: 0010:ieee80211_link_info_change_notify+0x1f9/0x260 [ 50.114185][ T3605] Code: 8b 9d 08 09 00 00 48 85 db 74 32 e8 21 1e b2 f8 48 89 dd e8 19 1e b2 f8 44 89 f2 48 89 ee 48 c7 c7 c0 e3 15 8b e8 d3 c1 7f 00 <0f> 0b e9 76 ff ff ff e8 fb 1d b2 f8 0f 0b e9 43 fe ff ff e8 ef 1d [ 50.133784][ T3605] RSP: 0018:ffffc900035e74f8 EFLAGS: 00010286 [ 50.139847][ T3605] RAX: 0000000000000000 RBX: ffff888073838000 RCX: 0000000000000000 [ 50.147872][ T3605] RDX: ffff8880284ae200 RSI: ffffffff816142b8 RDI: fffff520006bce91 [ 50.155859][ T3605] RBP: ffff888073838000 R08: 0000000000000005 R09: 0000000000000000 [ 50.163835][ T3605] R10: 0000000080000000 R11: 46203a316e616c77 R12: 0000000000000000 [ 50.171801][ T3605] R13: ffff88807383a248 R14: 0000000000000000 R15: ffff88806f2506c0 [ 50.179773][ T3605] ? vprintk+0x88/0x90 [ 50.183847][ T3605] ? ieee80211_link_info_change_notify+0x1f9/0x260 [ 50.190359][ T3605] ieee80211_set_mcast_rate+0x3e/0x50 [ 50.195730][ T3605] ? ieee80211_copy_mbssid_beacon+0x270/0x270 [ 50.201795][ T3605] nl80211_set_mcast_rate+0x35d/0x6d0 [ 50.207169][ T3605] ? nl80211_tdls_cancel_channel_switch+0x660/0x660 [ 50.213769][ T3605] ? nl80211_pre_doit+0x11c/0xab0 [ 50.218809][ T3605] genl_family_rcv_msg_doit+0x228/0x320 [ 50.224363][ T3605] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 50.231744][ T3605] ? cap_capable+0x1f1/0x280 [ 50.236351][ T3605] ? ns_capable+0xd9/0x100 [ 50.240777][ T3605] genl_rcv_msg+0x441/0x780 [ 50.245285][ T3605] ? genl_get_cmd+0x480/0x480 [ 50.249962][ T3605] ? __alloc_skb+0xd9/0x2f0 [ 50.254462][ T3605] ? netlink_sendmsg+0x9a2/0xe10 [ 50.259399][ T3605] ? sock_sendmsg+0xcf/0x120 [ 50.263984][ T3605] ? nl80211_tdls_cancel_channel_switch+0x660/0x660 [ 50.270573][ T3605] ? lock_release+0x810/0x810 [ 50.275250][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.280714][ T3605] ? lock_acquire+0x4fc/0x630 [ 50.285386][ T3605] netlink_rcv_skb+0x153/0x420 [ 50.290148][ T3605] ? genl_get_cmd+0x480/0x480 [ 50.294997][ T3605] ? netlink_ack+0xd50/0xd50 [ 50.299586][ T3605] ? netlink_deliver_tap+0x1b1/0xc40 [ 50.304871][ T3605] genl_rcv+0x24/0x40 [ 50.308853][ T3605] netlink_unicast+0x543/0x7f0 [ 50.313615][ T3605] ? netlink_attachskb+0x880/0x880 [ 50.318728][ T3605] netlink_sendmsg+0x917/0xe10 [ 50.323491][ T3605] ? netlink_unicast+0x7f0/0x7f0 [ 50.328438][ T3605] ? netlink_unicast+0x7f0/0x7f0 [ 50.333375][ T3605] sock_sendmsg+0xcf/0x120 [ 50.337789][ T3605] ____sys_sendmsg+0x712/0x8c0 [ 50.342548][ T3605] ? copy_msghdr_from_user+0xfc/0x150 [ 50.347921][ T3605] ? kernel_sendmsg+0x50/0x50 [ 50.352605][ T3605] ? finish_task_switch.isra.0+0x2b5/0xc80 [ 50.358421][ T3605] ? trace_hardirqs_on+0x2d/0x160 [ 50.363442][ T3605] ___sys_sendmsg+0x110/0x1b0 [ 50.368130][ T3605] ? do_recvmmsg+0x6e0/0x6e0 [ 50.372719][ T3605] ? __schedule+0xaf1/0x53f0 [ 50.377309][ T3605] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 50.383124][ T3605] ? trace_hardirqs_on+0x2d/0x160 [ 50.388145][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.393613][ T3605] ? lock_acquire+0x4fc/0x630 [ 50.398287][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 50.403755][ T3605] ? lock_acquire+0x4fc/0x630 [ 50.408428][ T3605] ? lock_release+0x810/0x810 [ 50.413102][ T3605] ? ptrace_stop.part.0+0x49a/0x8c0 [ 50.418302][ T3605] ? do_raw_spin_lock+0x120/0x2a0 [ 50.423326][ T3605] ? rwlock_bug.part.0+0x90/0x90 [ 50.428260][ T3605] ? __fget_light+0x20a/0x270 [ 50.432934][ T3605] __sys_sendmsg+0xf3/0x1c0 [ 50.437445][ T3605] ? __sys_sendmsg_sock+0x30/0x30 [ 50.442468][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 50.447320][ T3605] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.452526][ T3605] ? ptrace_notify+0xfa/0x140 [ 50.457200][ T3605] do_syscall_64+0x35/0xb0 [ 50.461615][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.467503][ T3605] RIP: 0033:0x7f9842486b49 [ 50.471910][ T3605] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.491515][ T3605] RSP: 002b:00007ffe120ac938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.499925][ T3605] RAX: ffffffffffffffda RBX: 00007f98425003a0 RCX: 00007f9842486b49 [ 50.507978][ T3605] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004 [ 50.515946][ T3605] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 50.523913][ T3605] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 50.531877][ T3605] R13: 00007ffe120ac980 R14: 00007ffe120ac96a R15: 00007f9842500410 [ 50.539845][ T3605] [ 50.543011][ T3605] Kernel Offset: disabled [ 50.547339][ T3605] Rebooting in 86400 seconds..