./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor724329861 <...> Warning: Permanently added '10.128.10.28' (ED25519) to the list of known hosts. execve("./syz-executor724329861", ["./syz-executor724329861"], 0x7ffcdccb8e60 /* 10 vars */) = 0 brk(NULL) = 0x55555a3e0000 brk(0x55555a3e0d00) = 0x55555a3e0d00 arch_prctl(ARCH_SET_FS, 0x55555a3e0380) = 0 set_tid_address(0x55555a3e0650) = 5821 set_robust_list(0x55555a3e0660, 24) = 0 rseq(0x55555a3e0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor724329861", 4096) = 27 getrandom("\x36\x62\x68\x31\xf6\x27\x84\x6e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a3e0d00 brk(0x55555a401d00) = 0x55555a401d00 brk(0x55555a402000) = 0x55555a402000 mprotect(0x7f8dd402f000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5821}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 getrandom("\x1b\x49\xca\x03\x24\xb4\xcb\xe0", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.XhskEx", 0700) = 0 chmod("./syzkaller.XhskEx", 0777) = 0 chdir("./syzkaller.XhskEx") = 0 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8dcba00000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f8dcba00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "ntfs3", MS_I_VERSION, "\x77\x69\x6e\x64\x6f\x77\x73\x5f\x6e\x61\x6d\x65\x73\x2c\x77\x69\x6e\x64\x6f\x77\x73\x5f\x6e\x61\x6d\x65\x73\x2c\x68\x69\x64\x65\x5f\x64\x6f\x74\x5f\x66\x69\x6c\x65\x73\x2c\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x6d\x61\x63\x72\x6f\x6d\x61\x6e\x69\x61\x6e\x2c\x70\x72\x65\x61\x08") = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 70.631752][ T5821] loop0: detected capacity change from 0 to 4096 [ 70.656292][ T5821] ntfs3: Unknown parameter 'prea' close(3) = 0 mount(NULL, "./file0", "afs", MS_NOSYMFOLLOW|MS_NOATIME|0x200, "dyn,") = 0 mount(NULL, "./file0", "overlay", 0, "lowerdir=./file0:/") = 0 chdir("./file0") = 0 open(".", O_RDONLY) = 3 openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EREMOTE (Object is remote) [ 70.751292][ T5821] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:321 [ 70.762422][ T5821] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5821, name: syz-executor724 [ 70.772010][ T5821] preempt_count: 0, expected: 0 [ 70.776926][ T5821] RCU nest depth: 1, expected: 0 [ 70.781871][ T5821] 4 locks held by syz-executor724/5821: [ 70.787507][ T5821] #0: ffff888033c840f8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x310 getdents(3, NULL, 0) = -1 EINVAL (Invalid argument) exit_group(0) = ? [ 70.796701][ T5821] #1: ffff88807b5f0cf8 (&ovl_i_mutex_dir_key[depth]){++++}-{4:4}, at: wrap_directory_iterator+0x5a/0xd0 [ 70.808041][ T5821] #2: ffff88807d120148 (&type->i_mutex_dir_key#6){++++}-{4:4}, at: iterate_dir+0x4a6/0x760 [ 70.818363][ T5821] #3: ffffffff8eb3a760 (rcu_read_lock){....}-{1:3}, at: afs_dynroot_readdir+0x466/0xbe0 [ 70.828351][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor724 Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #0 PREEMPT(full) [ 70.828377][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 70.828395][ T5821] Call Trace: [ 70.828402][ T5821] [ 70.828409][ T5821] dump_stack_lvl+0x241/0x360 [ 70.828440][ T5821] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.828477][ T5821] __might_resched+0x558/0x6c0 [ 70.828514][ T5821] ? __pfx___might_resched+0x10/0x10 [ 70.828555][ T5821] ? __kmalloc_noprof+0xb7/0x4d0 [ 70.828578][ T5821] __kmalloc_noprof+0xd0/0x4d0 [ 70.828596][ T5821] ? ovl_cache_entry_new+0x39/0x7b0 [ 70.828623][ T5821] ovl_cache_entry_new+0x39/0x7b0 [ 70.828648][ T5821] ? __pfx_idr_get_next+0x10/0x10 [ 70.828704][ T5821] ovl_fill_merge+0x416/0x830 [ 70.828732][ T5821] afs_dynroot_readdir+0x814/0xbe0 [ 70.828760][ T5821] ? afs_dynroot_readdir+0x466/0xbe0 [ 70.828787][ T5821] ? __pfx_afs_dynroot_readdir+0x10/0x10 [ 70.828816][ T5821] ? vfs_open+0x31/0x370 [ 70.828839][ T5821] iterate_dir+0x5a9/0x760 [ 70.828872][ T5821] ovl_dir_read+0xfe/0x570 [ 70.828895][ T5821] ? ovl_path_next+0x23e/0x470 [ 70.828926][ T5821] ovl_dir_read_merged+0x315/0x5e0 [ 70.828955][ T5821] ? __pfx_ovl_dir_read_merged+0x10/0x10 [ 70.828978][ T5821] ? __pfx_ovl_fill_merge+0x10/0x10 [ 70.829011][ T5821] ? __kmalloc_cache_noprof+0x236/0x370 [ 70.829028][ T5821] ? ovl_iterate+0x10d6/0x21c0 [ 70.829052][ T5821] ovl_iterate+0x1196/0x21c0 [ 70.829077][ T5821] ? validate_chain+0x8a7/0x24e0 [ 70.829112][ T5821] ? __pfx_ovl_iterate+0x10/0x10 [ 70.829147][ T5821] ? __lock_acquire+0xad5/0xd80 [ 70.829194][ T5821] ? down_write+0x18d/0x220 [ 70.829225][ T5821] ? __pfx_down_write+0x10/0x10 [ 70.829257][ T5821] ? wrap_directory_iterator+0x52/0xd0 [ 70.829289][ T5821] ? __pfx_ovl_iterate+0x10/0x10 [ 70.829312][ T5821] wrap_directory_iterator+0x91/0xd0 [ 70.829343][ T5821] iterate_dir+0x5a9/0x760 [ 70.829376][ T5821] __se_sys_getdents+0x1ff/0x4e0 [ 70.829412][ T5821] ? __pfx___se_sys_getdents+0x10/0x10 [ 70.829442][ T5821] ? __pfx_filldir+0x10/0x10 [ 70.829483][ T5821] do_syscall_64+0xf3/0x230 [ 70.829512][ T5821] ? clear_bhb_loop+0x45/0xa0 [ 70.829536][ T5821] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 70.829557][ T5821] RIP: 0033:0x7f8dd3fa1749 [ 70.829583][ T5821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 1b 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 [ 70.829600][ T5821] RSP: 002b:00007ffcddcd0748 EFLAGS: 00000246 ORIG_RAX: 000000000000004e [ 70.829622][ T5821] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f8dd3fa1749 [ 70.829638][ T5821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 +++ exited with 0 +++ [ 70.829650][ T5821] RBP: 0000200