./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1152707142 <...> [ 28.699711][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.710520][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 38.471673][ T26] kauditd_printk_skb: 37 callbacks suppressed [ 38.471689][ T26] audit: type=1400 audit(1657169770.241:73): avc: denied { transition } for pid=3396 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 [ 38.501147][ T26] audit: type=1400 audit(1657169770.251:74): avc: denied { write } for pid=3396 comm="sh" path="pipe:[27689]" dev="pipefs" ino=27689 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. execve("./syz-executor1152707142", ["./syz-executor1152707142"], 0x7ffe08f2f7d0 /* 10 vars */) = 0 brk(NULL) = 0x5555572d2000 brk(0x5555572d2c40) = 0x5555572d2c40 arch_prctl(ARCH_SET_FS, 0x5555572d2300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1152707142", 4096) = 28 brk(0x5555572f3c40) = 0x5555572f3c40 brk(0x5555572f4000) = 0x5555572f4000 mprotect(0x7f8f6307c000, 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=0x5555572d25d0) = 3610 ./strace-static-x86_64: Process 3610 attached [pid 3610] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setsid() = 1 [pid 3610] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3610] unshare(CLONE_NEWNS) = 0 [pid 3610] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3610] unshare(CLONE_NEWIPC) = 0 [pid 3610] unshare(CLONE_NEWCGROUP) = 0 [pid 3610] unshare(CLONE_NEWUTS) = 0 [pid 3610] unshare(CLONE_SYSVSEM) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "16777216", 8) = 8 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "536870912", 9) = 9 [ 49.076964][ T26] audit: type=1400 audit(1657169780.851:75): avc: denied { execmem } for pid=3609 comm="syz-executor115" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.097035][ T26] audit: type=1400 audit(1657169780.851:76): avc: denied { mounton } for pid=3610 comm="syz-executor115" 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 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "8192", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3610] close(3) = 0 [pid 3610] getpid() = 1 [pid 3610] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 f6 fd ff ff e8 c7 58 bc f8 e8 52 c4 b9 00 31 ff 89 c3 89 [ 49.579257][ T3610] RSP: 0018:ffffc90002f67500 EFLAGS: 00010282 [ 49.585433][ T3610] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.593579][ T3610] RDX: ffff888074fd2200 RSI: ffffffff815ffb18 RDI: fffff520005ece92 [ 49.601701][ T3610] RBP: ffff88806fa18000 R08: 0000000000000005 R09: 0000000000000000 [ 49.609915][ T3610] R10: 0000000080000000 R11: 0000000000000001 R12: ffff88806fa18c80 [ 49.618057][ T3610] R13: 0000000002000000 R14: ffff88806fa1a2d0 R15: ffff88806fa1a2c8 [ 49.626246][ T3610] FS: 00005555572d2300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 49.635355][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.642142][ T3610] CR2: 0000563e88a98418 CR3: 00000000237d7000 CR4: 00000000003506f0 [ 49.650217][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.658469][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.666533][ T3610] Call Trace: [ 49.670007][ T3610] [ 49.672977][ T3610] ieee80211_bss_info_change_notify+0x9a/0xc0 [ 49.679206][ T3610] ieee80211_set_mcast_rate+0x37/0x40 [ 49.684849][ T3610] ? ieee80211_copy_mbssid_beacon+0x270/0x270 [ 49.690964][ T3610] nl80211_set_mcast_rate+0x317/0x610 [ 49.696499][ T3610] ? nl80211_tdls_cancel_channel_switch+0x5a0/0x5a0 [ 49.703415][ T3610] ? nl80211_pre_doit+0x100/0x600 [ 49.708593][ T3610] genl_family_rcv_msg_doit+0x228/0x320 [ 49.714463][ T3610] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 49.721877][ T3610] ? cap_capable+0x1f1/0x280 [ 49.726615][ T3610] ? ns_capable+0xd9/0x100 [ 49.731302][ T3610] genl_rcv_msg+0x328/0x580 [ 49.735973][ T3610] ? genl_get_cmd+0x480/0x480 [ 49.740824][ T3610] ? nl80211_tdls_cancel_channel_switch+0x5a0/0x5a0 [ 49.747503][ T3610] ? lock_release+0x780/0x780 [ 49.752416][ T3610] netlink_rcv_skb+0x153/0x420 [ 49.757421][ T3610] ? genl_get_cmd+0x480/0x480 [ 49.762136][ T3610] ? netlink_ack+0xa80/0xa80 [ 49.766809][ T3610] ? netlink_deliver_tap+0x1b1/0xc40 [ 49.772322][ T3610] genl_rcv+0x24/0x40 [ 49.776451][ T3610] netlink_unicast+0x543/0x7f0 [ 49.781397][ T3610] ? netlink_attachskb+0x880/0x880 [ 49.786593][ T3610] netlink_sendmsg+0x917/0xe10 [ 49.791536][ T3610] ? netlink_unicast+0x7f0/0x7f0 [ 49.796633][ T3610] ? netlink_unicast+0x7f0/0x7f0 [ 49.801741][ T3610] sock_sendmsg+0xcf/0x120 [ 49.806255][ T3610] ____sys_sendmsg+0x6eb/0x810 [ 49.811318][ T3610] ? kernel_sendmsg+0x50/0x50 [ 49.816361][ T3610] ? do_recvmmsg+0x6d0/0x6d0 [ 49.820996][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.827113][ T3610] ? lockdep_hardirqs_on+0x79/0x100 [ 49.832537][ T3610] ___sys_sendmsg+0xf3/0x170 [ 49.837245][ T3610] ? sendmsg_copy_msghdr+0x160/0x160 [ 49.842736][ T3610] ? lock_release+0x780/0x780 [ 49.847684][ T3610] ? ptrace_stop.part.0+0x5ec/0xa80 [ 49.852929][ T3610] ? do_raw_spin_lock+0x120/0x2a0 [ 49.858104][ T3610] ? rwlock_bug.part.0+0x90/0x90 [ 49.863264][ T3610] ? _raw_spin_lock_irq+0x41/0x50 [ 49.868400][ T3610] ? __fget_light+0x20a/0x270 [ 49.873270][ T3610] __x64_sys_sendmsg+0x132/0x220 [ 49.878342][ T3610] ? __sys_sendmsg+0x1b0/0x1b0 [ 49.883297][ T3610] ? _raw_spin_unlock_irq+0x2a/0x40 [ 49.888593][ T3610] ? ptrace_notify+0xfa/0x140 [ 49.893451][ T3610] do_syscall_64+0x35/0xb0 [ 49.897974][ T3610] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 49.903910][ T3610] RIP: 0033:0x7f8f63008aa9 [ 49.908466][ T3610] 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 [ 49.928228][ T3610] RSP: 002b:00007ffde786ba98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.936771][ T3610] RAX: ffffffffffffffda RBX: 00007f8f630823a0 RCX: 00007f8f63008aa9 [ 49.945136][ T3610] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 49.953145][ T3610] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 49.961204][ T3610] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 49.969331][ T3610] R13: 00007ffde786bae0 R14: 00007ffde786baca R15: 00007f8f63082410 [ 49.978153][ T3610] [ 49.981205][ T3610] Kernel panic - not syncing: panic_on_warn set ... [ 49.987806][ T3610] CPU: 0 PID: 3610 Comm: syz-executor115 Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0 [ 49.998330][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 50.008496][ T3610] Call Trace: [ 50.011799][ T3610] [ 50.014751][ T3610] dump_stack_lvl+0xcd/0x134 [ 50.019378][ T3610] panic+0x2d7/0x636 [ 50.023304][ T3610] ? panic_print_sys_info.part.0+0x10b/0x10b [ 50.029316][ T3610] ? __warn.cold+0x1d1/0x2c5 [ 50.033940][ T3610] ? drv_bss_info_changed+0x4dd/0x5f0 [ 50.039342][ T3610] __warn.cold+0x1e2/0x2c5 [ 50.043788][ T3610] ? __wake_up_klogd.part.0+0x99/0xf0 [ 50.049191][ T3610] ? drv_bss_info_changed+0x4dd/0x5f0 [ 50.054594][ T3610] report_bug+0x1bc/0x210 [ 50.058952][ T3610] handle_bug+0x3c/0x60 [ 50.063138][ T3610] exc_invalid_op+0x14/0x40 [ 50.067721][ T3610] asm_exc_invalid_op+0x1b/0x20 [ 50.072601][ T3610] RIP: 0010:drv_bss_info_changed+0x4dd/0x5f0 [ 50.078617][ T3610] Code: 08 06 00 00 48 85 ed 0f 84 b9 00 00 00 e8 eb 58 bc f8 e8 e6 58 bc f8 8b 54 24 04 48 89 ee 48 c7 c7 00 7d f3 8a e8 94 ba 74 00 <0f> 0b e9 f6 fd ff ff e8 c7 58 bc f8 e8 52 c4 b9 00 31 ff 89 c3 89 [ 50.098258][ T3610] RSP: 0018:ffffc90002f67500 EFLAGS: 00010282 [ 50.104408][ T3610] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 50.112493][ T3610] RDX: ffff888074fd2200 RSI: ffffffff815ffb18 RDI: fffff520005ece92 [ 50.120495][ T3610] RBP: ffff88806fa18000 R08: 0000000000000005 R09: 0000000000000000 [ 50.128493][ T3610] R10: 0000000080000000 R11: 0000000000000001 R12: ffff88806fa18c80 [ 50.136499][ T3610] R13: 0000000002000000 R14: ffff88806fa1a2d0 R15: ffff88806fa1a2c8 [ 50.144504][ T3610] ? vprintk+0x88/0x90 [ 50.148621][ T3610] ieee80211_bss_info_change_notify+0x9a/0xc0 [ 50.154724][ T3610] ieee80211_set_mcast_rate+0x37/0x40 [ 50.160129][ T3610] ? ieee80211_copy_mbssid_beacon+0x270/0x270 [ 50.166229][ T3610] nl80211_set_mcast_rate+0x317/0x610 [ 50.171632][ T3610] ? nl80211_tdls_cancel_channel_switch+0x5a0/0x5a0 [ 50.178252][ T3610] ? nl80211_pre_doit+0x100/0x600 [ 50.183307][ T3610] genl_family_rcv_msg_doit+0x228/0x320 [ 50.188886][ T3610] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 50.196372][ T3610] ? cap_capable+0x1f1/0x280 [ 50.200992][ T3610] ? ns_capable+0xd9/0x100 [ 50.205440][ T3610] genl_rcv_msg+0x328/0x580 [ 50.209986][ T3610] ? genl_get_cmd+0x480/0x480 [ 50.214690][ T3610] ? nl80211_tdls_cancel_channel_switch+0x5a0/0x5a0 [ 50.221309][ T3610] ? lock_release+0x780/0x780 [ 50.226023][ T3610] netlink_rcv_skb+0x153/0x420 [ 50.230816][ T3610] ? genl_get_cmd+0x480/0x480 [ 50.235519][ T3610] ? netlink_ack+0xa80/0xa80 [ 50.240134][ T3610] ? netlink_deliver_tap+0x1b1/0xc40 [ 50.245449][ T3610] genl_rcv+0x24/0x40 [ 50.249456][ T3610] netlink_unicast+0x543/0x7f0 [ 50.254248][ T3610] ? netlink_attachskb+0x880/0x880 [ 50.259401][ T3610] netlink_sendmsg+0x917/0xe10 [ 50.264189][ T3610] ? netlink_unicast+0x7f0/0x7f0 [ 50.269155][ T3610] ? netlink_unicast+0x7f0/0x7f0 [ 50.274130][ T3610] sock_sendmsg+0xcf/0x120 [ 50.278573][ T3610] ____sys_sendmsg+0x6eb/0x810 [ 50.283363][ T3610] ? kernel_sendmsg+0x50/0x50 [ 50.288062][ T3610] ? do_recvmmsg+0x6d0/0x6d0 [ 50.292685][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 50.298697][ T3610] ? lockdep_hardirqs_on+0x79/0x100 [ 50.303930][ T3610] ___sys_sendmsg+0xf3/0x170 [ 50.308551][ T3610] ? sendmsg_copy_msghdr+0x160/0x160 [ 50.313864][ T3610] ? lock_release+0x780/0x780 [ 50.318573][ T3610] ? ptrace_stop.part.0+0x5ec/0xa80 [ 50.323798][ T3610] ? do_raw_spin_lock+0x120/0x2a0 [ 50.328847][ T3610] ? rwlock_bug.part.0+0x90/0x90 [ 50.333810][ T3610] ? _raw_spin_lock_irq+0x41/0x50 [ 50.338903][ T3610] ? __fget_light+0x20a/0x270 [ 50.343614][ T3610] __x64_sys_sendmsg+0x132/0x220 [ 50.348582][ T3610] ? __sys_sendmsg+0x1b0/0x1b0 [ 50.353374][ T3610] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.358601][ T3610] ? ptrace_notify+0xfa/0x140 [ 50.363300][ T3610] do_syscall_64+0x35/0xb0 [ 50.367745][ T3610] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 50.373683][ T3610] RIP: 0033:0x7f8f63008aa9 [ 50.378150][ T3610] 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 [ 50.397880][ T3610] RSP: 002b:00007ffde786ba98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.406331][ T3610] RAX: ffffffffffffffda RBX: 00007f8f630823a0 RCX: 00007f8f63008aa9 [ 50.414344][ T3610] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 50.422343][ T3610] RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 [ 50.430350][ T3610] R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 [ 50.438354][ T3610] R13: 00007ffde786bae0 R14: 00007ffde786baca R15: 00007f8f63082410 [ 50.446352][ T3610] [ 50.449684][ T3610] Kernel Offset: disabled [ 50.454101][ T3610] Rebooting in 86400 seconds..