./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1576057700 <...> Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. execve("./syz-executor1576057700", ["./syz-executor1576057700"], 0x7ffc22dccd60 /* 10 vars */) = 0 brk(NULL) = 0x55556f5d7000 brk(0x55556f5d7d00) = 0x55556f5d7d00 arch_prctl(ARCH_SET_FS, 0x55556f5d7380) = 0 set_tid_address(0x55556f5d7650) = 5100 set_robust_list(0x55556f5d7660, 24) = 0 rseq(0x55556f5d7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1576057700", 4096) = 28 getrandom("\xf5\x54\xfe\xb4\xa3\x5e\xf2\x6c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556f5d7d00 brk(0x55556f5f8d00) = 0x55556f5f8d00 brk(0x55556f5f9000) = 0x55556f5f9000 mprotect(0x7f3379c3a000, 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 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 202.238916][ T5100] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 202.413115][ T5100] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 mkdir("./syzkaller.9T67Rv", 0700) = 0 chmod("./syzkaller.9T67Rv", 0777) = 0 chdir("./syzkaller.9T67Rv") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556f5d7650) = 5101 ./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x55556f5d7660, 24) = 0 [pid 5101] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setsid() = 1 [pid 5101] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5101] dup2(3, 201) = 201 [pid 5101] close(3) = 0 [pid 5101] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5101] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5101] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5101] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5101] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5101] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5101] unshare(CLONE_NEWNS) = 0 [pid 5101] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5101] unshare(CLONE_NEWIPC) = 0 [pid 5101] unshare(CLONE_NEWCGROUP) = 0 [pid 5101] unshare(CLONE_NEWUTS) = 0 [pid 5101] unshare(CLONE_SYSVSEM) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "16777216", 8) = 8 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "536870912", 9) = 9 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1024", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "8192", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1024", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1024", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5101] close(3) = 0 [pid 5101] getpid() = 1 [pid 5101] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 203.269287][ T5104] dump_stack_lvl+0x241/0x360 [ 203.273959][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 203.279256][ T5104] ? __pfx__printk+0x10/0x10 [ 203.283867][ T5104] ? _printk+0xd5/0x120 [ 203.288019][ T5104] ? __virt_addr_valid+0x183/0x520 [ 203.293126][ T5104] ? __virt_addr_valid+0x183/0x520 [ 203.298259][ T5104] print_report+0x169/0x550 [ 203.302763][ T5104] ? __virt_addr_valid+0x183/0x520 [ 203.307873][ T5104] ? __virt_addr_valid+0x183/0x520 [ 203.313006][ T5104] ? __virt_addr_valid+0x44e/0x520 [ 203.318116][ T5104] ? __phys_addr+0xba/0x170 [ 203.322615][ T5104] ? sco_sock_setsockopt+0xc94/0xf90 [ 203.327903][ T5104] kasan_report+0x143/0x180 [ 203.332400][ T5104] ? sco_sock_setsockopt+0x131/0xf90 [ 203.337684][ T5104] ? sco_sock_setsockopt+0xc94/0xf90 [ 203.342970][ T5104] sco_sock_setsockopt+0xc94/0xf90 [ 203.348079][ T5104] ? __pfx_sco_sock_setsockopt+0x10/0x10 [ 203.353721][ T5104] ? aa_sock_opt_perm+0x79/0x120 [ 203.358672][ T5104] ? bpf_lsm_socket_setsockopt+0x9/0x10 [ 203.364288][ T5104] ? __pfx_sco_sock_setsockopt+0x10/0x10 [ 203.369949][ T5104] do_sock_setsockopt+0x3af/0x720 [ 203.374989][ T5104] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 203.380533][ T5104] ? _raw_spin_unlock_irq+0x2e/0x50 [ 203.385728][ T5104] ? ptrace_notify+0x279/0x380 [ 203.390489][ T5104] ? __pfx_ptrace_notify+0x10/0x10 [ 203.395610][ T5104] __sys_setsockopt+0x1ae/0x250 [ 203.400482][ T5104] __x64_sys_setsockopt+0xb5/0xd0 [ 203.405540][ T5104] do_syscall_64+0xfb/0x240 [ 203.410060][ T5104] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 203.415968][ T5104] RIP: 0033:0x7f3379bc6dc9 [ 203.420387][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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 b8 ff ff ff f7 d8 64 89 01 48 [ 203.440004][ T5104] RSP: 002b:00007ffc523f74d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 203.448418][ T5104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3379bc6dc9 [ 203.456382][ T5104] RDX: 0000000000000007 RSI: 0000000000000112 RDI: 0000000000000007 [ 203.464371][ T5104] RBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000000000 [ 203.472350][ T5104] R10: 0000000020000000 R11: 0000000000000246 R12: 000055556f5d7338 [ 203.480321][ T5104] R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000 [ 203.488292][ T5104] [ 203.491317][ T5104] [ 203.493637][ T5104] Allocated by task 5104: [ 203.498054][ T5104] kasan_save_track+0x3f/0x80 [ 203.502744][ T5104] __kasan_kmalloc+0x98/0xb0 [ 203.507337][ T5104] __kmalloc_noprof+0x200/0x410 [ 203.512191][ T5104] __cgroup_bpf_run_filter_setsockopt+0xd47/0x1050 [ 203.518696][ T5104] do_sock_setsockopt+0x6b4/0x720 [ 203.524250][ T5104] __sys_setsockopt+0x1ae/0x250 [ 203.529108][ T5104] __x64_sys_setsockopt+0xb5/0xd0 [ 203.534169][ T5104] do_syscall_64+0xfb/0x240 [ 203.538694][ T5104] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 203.544600][ T5104] [ 203.546928][ T5104] The buggy address belongs to the object at ffff88802451da00 [ 203.546928][ T5104] which belongs to the cache kmalloc-8 of size 8 [ 203.560775][ T5104] The buggy address is located 1 bytes to the right of [ 203.560775][ T5104] allocated 2-byte region [ffff88802451da00, ffff88802451da02) [ 203.575287][ T5104] [ 203.577617][ T5104] The buggy address belongs to the physical page: [ 203.584018][ T5104] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2451d [ 203.592951][ T5104] anon flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff) [ 203.600515][ T5104] page_type: 0xffffefff(slab) [ 203.605269][ T5104] raw: 00fff80000000000 ffff888015041280 0000000000000000 dead000000000001 [ 203.613848][ T5104] raw: 0000000000000000 0000000080800080 00000001ffffefff 0000000000000000 [ 203.622446][ T5104] page dumped because: kasan: bad access detected [ 203.628858][ T5104] page_owner tracks the page as allocated [ 203.634562][ T5104] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY), pid 782, tgid 931151107 (kworker/0:2), ts 782, free_ts 0 [ 203.651417][ T5104] post_alloc_hook+0x1f3/0x230 [ 203.656186][ T5104] get_page_from_freelist+0x2e7e/0x2f40 [ 203.661744][ T5104] __alloc_pages_noprof+0x256/0x6c0 [ 203.666960][ T5104] alloc_slab_page+0x5f/0x120 [ 203.671645][ T5104] allocate_slab+0x5a/0x2e0 [ 203.676146][ T5104] ___slab_alloc+0xcd1/0x14b0 [ 203.680834][ T5104] __slab_alloc+0x58/0xa0 [ 203.685197][ T5104] kmalloc_trace_noprof+0x1d5/0x2b0 [ 203.690407][ T5104] usb_control_msg+0xbb/0x4c0 [ 203.695085][ T5104] hub_ext_port_status+0x11a/0x840 [ 203.700207][ T5104] hub_activate+0x7cd/0x1c70 [ 203.704806][ T5104] process_scheduled_works+0xa2c/0x1830 [ 203.710359][ T5104] worker_thread+0x86d/0xd70 [ 203.714970][ T5104] kthread+0x2f0/0x390 [ 203.719054][ T5104] ret_from_fork+0x4b/0x80 [ 203.723480][ T5104] ret_from_fork_asm+0x1a/0x30 [ 203.728244][ T5104] page_owner free stack trace missing [ 203.733598][ T5104] [ 203.735909][ T5104] Memory state around the buggy address: [ 203.741533][ T5104] ffff88802451d900: 06 fc fc fc 06 fc fc fc fa fc fc fc fa fc fc fc [ 203.749583][ T5104] ffff88802451d980: 00 fc fc fc 00 fc fc fc fa fc fc fc fa fc fc fc [ 203.757638][ T5104] >ffff88802451da00: 02 fc fc fc 05 fc fc fc 05 fc fc fc 05 fc fc fc [ 203.765773][ T5104] ^ [ 203.769831][ T5104] ffff88802451da80: 05 fc fc fc 00 fc fc fc 00 fc fc fc 00 fc fc fc [ 203.777973][ T5104] ffff88802451db00: 05 fc fc fc 05 fc fc fc 06 fc fc fc 06 fc fc fc [ 203.786024][ T5104] ================================================================== [ 203.794668][ T5104] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 203.801956][ T5104] CPU: 1 PID: 5104 Comm: syz-executor157 Not tainted 6.9.0-rc2-next-20240404-syzkaller #0 [ 203.811842][ T5104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 203.821902][ T5104] Call Trace: [ 203.825179][ T5104] [ 203.828119][ T5104] dump_stack_lvl+0x241/0x360 [ 203.832822][ T5104] ? __pfx_dump_stack_lvl+0x10/0x10 [ 203.838016][ T5104] ? __pfx__printk+0x10/0x10 [ 203.842690][ T5104] ? lock_release+0xbf/0x9f0 [ 203.847301][ T5104] ? vscnprintf+0x5d/0x90 [ 203.851803][ T5104] panic+0x349/0x860 [ 203.855708][ T5104] ? check_panic_on_warn+0x21/0xb0 [ 203.860818][ T5104] ? __pfx_panic+0x10/0x10 [ 203.865226][ T5104] ? mark_lock+0x9a/0x350 [ 203.869555][ T5104] ? _raw_spin_unlock_irqrestore+0xd8/0x140 [ 203.875456][ T5104] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 203.881345][ T5104] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 203.887670][ T5104] ? print_report+0x502/0x550 [ 203.892343][ T5104] check_panic_on_warn+0x86/0xb0 [ 203.897368][ T5104] ? sco_sock_setsockopt+0xc94/0xf90 [ 203.902671][ T5104] end_report+0x77/0x160 [ 203.906909][ T5104] kasan_report+0x154/0x180 [ 203.911404][ T5104] ? sco_sock_setsockopt+0x131/0xf90 [ 203.916693][ T5104] ? sco_sock_setsockopt+0xc94/0xf90 [ 203.921977][ T5104] sco_sock_setsockopt+0xc94/0xf90 [ 203.927088][ T5104] ? __pfx_sco_sock_setsockopt+0x10/0x10 [ 203.932724][ T5104] ? aa_sock_opt_perm+0x79/0x120 [ 203.937655][ T5104] ? bpf_lsm_socket_setsockopt+0x9/0x10 [ 203.943205][ T5104] ? __pfx_sco_sock_setsockopt+0x10/0x10 [ 203.948837][ T5104] do_sock_setsockopt+0x3af/0x720 [ 203.953872][ T5104] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 203.959413][ T5104] ? _raw_spin_unlock_irq+0x2e/0x50 [ 203.964606][ T5104] ? ptrace_notify+0x279/0x380 [ 203.969368][ T5104] ? __pfx_ptrace_notify+0x10/0x10 [ 203.974477][ T5104] __sys_setsockopt+0x1ae/0x250 [ 203.979332][ T5104] __x64_sys_setsockopt+0xb5/0xd0 [ 203.984350][ T5104] do_syscall_64+0xfb/0x240 [ 203.988940][ T5104] entry_SYSCALL_64_after_hwframe+0x72/0x7a [ 203.994827][ T5104] RIP: 0033:0x7f3379bc6dc9 [ 203.999236][ T5104] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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 b8 ff ff ff f7 d8 64 89 01 48 [ 204.018839][ T5104] RSP: 002b:00007ffc523f74d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 204.027249][ T5104] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3379bc6dc9 [ 204.035213][ T5104] RDX: 0000000000000007 RSI: 0000000000000112 RDI: 0000000000000007 [ 204.043782][ T5104] RBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000000000 [ 204.051742][ T5104] R10: 0000000020000000 R11: 0000000000000246 R12: 000055556f5d7338 [ 204.059727][ T5104] R13: 000000000000000e R14: 0000000000000000 R15: 0000000000000000 [ 204.067693][ T5104] [ 204.070876][ T5104] Kernel Offset: disabled [ 204.075251][ T5104] Rebooting in 86400 seconds..