./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3806530920 <...> Warning: Permanently added '10.128.0.196' (ED25519) to the list of known hosts. execve("./syz-executor3806530920", ["./syz-executor3806530920"], 0x7fffc0669310 /* 10 vars */) = 0 brk(NULL) = 0x55555ef7e000 brk(0x55555ef7ed00) = 0x55555ef7ed00 arch_prctl(ARCH_SET_FS, 0x55555ef7e380) = 0 set_tid_address(0x55555ef7e650) = 5217 set_robust_list(0x55555ef7e660, 24) = 0 rseq(0x55555ef7eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3806530920", 4096) = 28 getrandom("\x1d\xd8\xe3\x0c\x05\xdf\x1b\xdc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555ef7ed00 brk(0x55555ef9fd00) = 0x55555ef9fd00 brk(0x55555efa0000) = 0x55555efa0000 mprotect(0x7f689ed9d000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached [pid 5218] set_robust_list(0x55555ef7e660, 24 [pid 5217] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5218 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x55555ef7e660, 24 [pid 5218] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5219 ./strace-static-x86_64: Process 5220 attached [pid 5219] <... set_robust_list resumed>) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0 [pid 5220] set_robust_list(0x55555ef7e660, 24 [pid 5217] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5220 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... setpgid resumed>) = 0 [pid 5217] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5222 attached ./strace-static-x86_64: Process 5221 attached [pid 5219] write(3, "1000", 4 [pid 5217] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5221 [pid 5222] set_robust_list(0x55555ef7e660, 24 [pid 5221] set_robust_list(0x55555ef7e660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5222 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5217] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5221] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] <... write resumed>) = 4 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5219] close(3./strace-static-x86_64: Process 5223 attached executing program [pid 5222] <... prctl resumed>) = 0 [pid 5219] <... close resumed>) = 0 [pid 5217] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5223 [pid 5223] set_robust_list(0x55555ef7e660, 24 [pid 5219] write(1, "executing program\n", 18 [pid 5217] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] setpgid(0, 0 [pid 5219] <... write resumed>) = 18 [pid 5222] <... setpgid resumed>) = 0 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC./strace-static-x86_64: Process 5225 attached [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5217] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5225 [pid 5225] set_robust_list(0x55555ef7e660, 24 [pid 5222] <... openat resumed>) = 3 [pid 5221] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5224 [pid 5219] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5226 attached [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] set_robust_list(0x55555ef7e660, 24 [pid 5222] write(3, "1000", 4 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5226] set_robust_list(0x55555ef7e660, 24 [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5226 [pid 5222] <... write resumed>) = 4 [pid 5219] dup(3 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5224] <... prctl resumed>) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] setpgid(0, 0 [pid 5222] close(3 [pid 5219] <... dup resumed>) = 4 ./strace-static-x86_64: Process 5227 attached [pid 5222] <... close resumed>) = 0 [pid 5227] set_robust_list(0x55555ef7e660, 24 [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5227 executing program [pid 5224] <... setpgid resumed>) = 0 [pid 5222] write(1, "executing program\n", 18 [pid 5219] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5226] setpgid(0, 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... write resumed>) = 18 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5226] <... setpgid resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNCexecuting program [pid 5226] <... openat resumed>) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5227] <... prctl resumed>) = 0 [pid 5226] close(3 [pid 5224] <... openat resumed>) = 3 [pid 5226] <... close resumed>) = 0 [pid 5227] setpgid(0, 0 [pid 5226] write(1, "executing program\n", 18) = 18 [pid 5227] <... setpgid resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5224] write(3, "1000", 4 [pid 5222] <... openat resumed>) = 3 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5226] <... openat resumed>) = 3 executing program [pid 5227] <... openat resumed>) = 3 [pid 5224] <... write resumed>) = 4 [pid 5222] dup(3 [pid 5227] write(3, "1000", 4 [pid 5222] <... dup resumed>) = 4 [pid 5224] close(3 [pid 5227] <... write resumed>) = 4 [pid 5222] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5227] close(3 [pid 5224] <... close resumed>) = 0 [pid 5227] <... close resumed>) = 0 [pid 5224] write(1, "executing program\n", 18 executing program [pid 5227] write(1, "executing program\n", 18 [pid 5224] <... write resumed>) = 18 [pid 5227] <... write resumed>) = 18 [pid 5227] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5226] dup(3 [pid 5224] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5227] <... openat resumed>) = 3 [pid 5226] <... dup resumed>) = 4 [pid 5227] dup(3 [pid 5226] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5227] <... dup resumed>) = 4 [pid 5224] <... openat resumed>) = 3 [pid 5227] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5224] dup(3) = 4 [pid 5224] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5218] kill(-5219, SIGKILL) = 0 [pid 5218] kill(5219, SIGKILL) = 0 [pid 5220] kill(-5222, SIGKILL) = 0 [pid 5220] kill(5222, SIGKILL) = 0 [pid 5221] kill(-5224, SIGKILL) = 0 [pid 5221] kill(5224, SIGKILL) = 0 [pid 5225] kill(-5227, SIGKILL [pid 5223] kill(-5226, SIGKILL [pid 5225] <... kill resumed>) = 0 [pid 5225] kill(5227, SIGKILL) = 0 [pid 5223] <... kill resumed>) = 0 [pid 5223] kill(5226, SIGKILL) = 0 [pid 5218] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5220] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5223] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5218] <... openat resumed>) = 3 [pid 5225] <... openat resumed>) = 3 [pid 5223] newfstatat(3, "", [pid 5221] <... openat resumed>) = 3 [pid 5220] <... openat resumed>) = 3 [pid 5225] newfstatat(3, "", [pid 5223] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5221] newfstatat(3, "", [pid 5220] newfstatat(3, "", [pid 5218] newfstatat(3, "", [pid 5225] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5223] getdents64(3, [pid 5221] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5220] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5218] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, [pid 5223] <... getdents64 resumed>0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5221] getdents64(3, [pid 5225] <... getdents64 resumed>0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5223] getdents64(3, [pid 5220] getdents64(3, [pid 5223] <... getdents64 resumed>0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5225] getdents64(3, [pid 5223] close(3 [pid 5218] getdents64(3, [pid 5225] <... getdents64 resumed>0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5223] <... close resumed>) = 0 [pid 5225] close(3) = 0 [pid 5221] <... getdents64 resumed>0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5220] <... getdents64 resumed>0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5218] <... getdents64 resumed>0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5221] getdents64(3, 0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5220] getdents64(3, [pid 5218] getdents64(3, [pid 5221] close(3) = 0 [pid 5220] <... getdents64 resumed>0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5218] <... getdents64 resumed>0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5220] close(3 [pid 5218] close(3 [pid 5220] <... close resumed>) = 0 [pid 5218] <... close resumed>) = 0 [ 76.677271][ T9] cfg80211: failed to load regulatory.db [pid 5219] <... fallocate resumed>) = ? [pid 5219] +++ killed by SIGKILL +++ [pid 5218] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5219, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2702 /* 27.02 s */} --- [pid 5218] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached , child_tidptr=0x55555ef7e650) = 5244 [pid 5244] set_robust_list(0x55555ef7e660, 24) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 executing program [pid 5244] close(3) = 0 [pid 5244] write(1, "executing program\n", 18) = 18 [pid 5244] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5244] dup(3) = 4 [pid 5244] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5218] kill(-5244, SIGKILL) = 0 [pid 5218] kill(5244, SIGKILL) = 0 [pid 5218] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5218] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5218] getdents64(3, 0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5218] getdents64(3, 0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5218] close(3) = 0 [pid 5222] <... fallocate resumed>) = ? [pid 5222] +++ killed by SIGKILL +++ [pid 5220] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5222, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2688 /* 26.88 s */} --- [pid 5220] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached , child_tidptr=0x55555ef7e650) = 5246 [pid 5246] set_robust_list(0x55555ef7e660, 24) = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5246] setpgid(0, 0) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3) = 0 [pid 5246] write(1, "executing program\n", 18) = 18 [pid 5246] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5246] dup(3) = 4 [pid 5246] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5220] kill(-5246, SIGKILL) = 0 [pid 5220] kill(5246, SIGKILL) = 0 [pid 5220] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5220] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5220] getdents64(3, 0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5220] getdents64(3, 0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5220] close(3) = 0 [pid 5226] <... fallocate resumed>) = ? [pid 5226] +++ killed by SIGKILL +++ [pid 5223] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5226, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2703 /* 27.03 s */} --- [pid 5223] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached , child_tidptr=0x55555ef7e650) = 5247 [pid 5247] set_robust_list(0x55555ef7e660, 24) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 executing program [pid 5247] close(3) = 0 [pid 5247] write(1, "executing program\n", 18) = 18 [pid 5247] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5247] dup(3) = 4 [pid 5247] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5223] kill(-5247, SIGKILL) = 0 [pid 5223] kill(5247, SIGKILL) = 0 [pid 5223] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5223] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5223] getdents64(3, 0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5223] getdents64(3, 0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5223] close(3) = 0 [pid 5227] <... fallocate resumed>) = ? [pid 5227] +++ killed by SIGKILL +++ [pid 5225] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5227, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2708 /* 27.08 s */} --- [pid 5225] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached [pid 5254] set_robust_list(0x55555ef7e660, 24 [pid 5225] <... clone resumed>, child_tidptr=0x55555ef7e650) = 5254 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0) = 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5254] write(3, "1000", 4) = 4 [pid 5254] close(3) = 0 [pid 5254] write(1, "executing program\n", 18) = 18 [pid 5254] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5254] dup(3) = 4 [pid 5254] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5225] kill(-5254, SIGKILL) = 0 [pid 5225] kill(5254, SIGKILL) = 0 [pid 5225] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5225] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5225] getdents64(3, 0x55555ef7f6f0 /* 2 entries */, 32768) = 48 [pid 5225] getdents64(3, 0x55555ef7f6f0 /* 0 entries */, 32768) = 0 [pid 5225] close(3) = 0 [ 286.565593][ T30] INFO: task syz-executor380:5244 blocked for more than 143 seconds. [ 286.577544][ T30] Not tainted 6.12.0-rc2-syzkaller #0 [ 286.592275][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.602995][ T30] task:syz-executor380 state:D stack:26800 pid:5244 tgid:5244 ppid:5218 flags:0x00004006 [ 286.614021][ T30] Call Trace: [ 286.617885][ T30] [ 286.621462][ T30] __schedule+0x1843/0x4ae0 [ 286.626685][ T30] ? __pfx___schedule+0x10/0x10 [ 286.632143][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.637993][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.644822][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.652512][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.657805][ T30] ? schedule+0x90/0x320 [ 286.662084][ T30] schedule+0x14b/0x320 [ 286.666312][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.671877][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 286.677706][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 286.690471][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.696863][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.709648][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.715844][ T30] down_write+0x1d7/0x220 [ 286.723188][ T30] ? __pfx_down_write+0x10/0x10 [ 286.728070][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.733361][ T30] blkdev_fallocate+0x20e/0x490 [ 286.744164][ T30] vfs_fallocate+0x569/0x6e0 [ 286.748797][ T30] __x64_sys_fallocate+0xbd/0x110 [ 286.754005][ T30] do_syscall_64+0xf3/0x230 [ 286.760512][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.768773][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.774885][ T30] RIP: 0033:0x7f689ed2ab29 [ 286.779333][ T30] RSP: 002b:00007ffff7ac82c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.789804][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f689ed2ab29 [ 286.803411][ T30] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004 [ 286.811503][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.819583][ T30] R10: 0000002000000400 R11: 0000000000000246 R12: 000000000000e175 [ 286.833570][ T30] R13: 00007ffff7ac82dc R14: 00007ffff7ac82f0 R15: 00007ffff7ac82e0 [ 286.841690][ T30] [ 286.844871][ T30] [ 286.844871][ T30] Showing all locks held in the system: [ 286.854357][ T30] 1 lock held by khungtaskd/30: [ 286.863998][ T30] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.874000][ T30] 1 lock held by klogd/4662: [ 286.878605][ T30] 2 locks held by getty/4978: [ 286.883340][ T30] #0: ffff88802ec460a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.897919][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 286.917437][ T30] 1 lock held by syz-executor380/5224: [ 286.924684][ T30] 1 lock held by syz-executor380/5244: [ 286.933548][ T30] #0: ffff888148d57c40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 286.944316][ T30] 1 lock held by syz-executor380/5246: [ 286.952952][ T30] #0: ffff888148d57c40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 286.969771][ T30] 1 lock held by syz-executor380/5247: [ 286.975318][ T30] #0: ffff888148d57c40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 286.986111][ T30] 1 lock held by syz-executor380/5254: [ 286.992507][ T30] #0: ffff888148d57c40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 287.004159][ T30] [ 287.006504][ T30] ============================================= [ 287.006504][ T30] [ 287.088614][ T30] NMI backtrace for cpu 1 [ 287.092999][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc2-syzkaller #0 [ 287.101783][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.111852][ T30] Call Trace: [ 287.115145][ T30] [ 287.118086][ T30] dump_stack_lvl+0x241/0x360 [ 287.122782][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.127995][ T30] ? __pfx__printk+0x10/0x10 [ 287.132617][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.137575][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.143049][ T30] ? _printk+0xd5/0x120 [ 287.147219][ T30] ? __pfx__printk+0x10/0x10 [ 287.151809][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.156661][ T30] ? __pfx__printk+0x10/0x10 [ 287.161249][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.166280][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.172260][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.178269][ T30] watchdog+0xff4/0x1040 [ 287.182511][ T30] ? watchdog+0x1ea/0x1040 [ 287.186936][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.192043][ T30] kthread+0x2f0/0x390 [ 287.196197][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.200870][ T30] ? __pfx_kthread+0x10/0x10 [ 287.205460][ T30] ret_from_fork+0x4b/0x80 [ 287.209895][ T30] ? __pfx_kthread+0x10/0x10 [ 287.214488][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.219275][ T30] [ 287.222617][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.228058][ C0] NMI backtrace for cpu 0 [ 287.228070][ C0] CPU: 0 UID: 0 PID: 4662 Comm: klogd Not tainted 6.12.0-rc2-syzkaller #0 [ 287.228087][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.228097][ C0] RIP: 0010:unwind_next_frame+0x1843/0x22d0 [ 287.228117][ C0] Code: 48 89 df e8 1f f6 b9 00 4d 39 fe 0f 87 b2 00 00 00 48 8b 03 4c 39 f8 0f 86 a6 00 00 00 49 8d 4f 08 4c 39 f1 0f 86 99 00 00 00 <48> 39 c1 0f 87 90 00 00 00 4c 3b bc 24 90 00 00 00 0f 87 82 00 00 [ 287.228135][ C0] RSP: 0018:ffffc9000329f070 EFLAGS: 00000202 [ 287.228150][ C0] RAX: ffffc900032a0000 RBX: ffffc9000329f150 RCX: ffffc9000329f6a8 [ 287.228162][ C0] RDX: dffffc0000000000 RSI: ffffc90003298000 RDI: ffffc9000329f148 [ 287.228174][ C0] RBP: ffffc9000329f140 R08: ffffc9000329f690 R09: 0000000000000000 [ 287.228186][ C0] R10: ffffc9000329f190 R11: fffff52000653e34 R12: dffffc0000000000 [ 287.228197][ C0] R13: ffffc9000329f140 R14: ffffc90003298000 R15: ffffc9000329f6a0 [ 287.228209][ C0] FS: 00007f1b5bb7e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.228223][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.228234][ C0] CR2: 0000556f4e0d57f0 CR3: 000000003062c000 CR4: 00000000003526f0 [ 287.228248][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.228257][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.228273][ C0] Call Trace: [ 287.228278][ C0] [ 287.228284][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.228304][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.228328][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.228346][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.228368][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.228389][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.228404][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.228421][ C0] ? unwind_next_frame+0x1843/0x22d0 [ 287.228435][ C0] ? default_do_nmi+0x63/0x160 [ 287.228455][ C0] ? exc_nmi+0x123/0x1f0 [ 287.228472][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.228500][ C0] ? unwind_next_frame+0x1843/0x22d0 [ 287.228515][ C0] ? unwind_next_frame+0x1843/0x22d0 [ 287.228530][ C0] ? unwind_next_frame+0x1843/0x22d0 [ 287.228545][ C0] [ 287.228550][ C0] [ 287.228560][ C0] ? kasan_quarantine_reduce+0x14f/0x170 [ 287.228582][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.228601][ C0] arch_stack_walk+0x11c/0x150 [ 287.228620][ C0] ? __kasan_kmalloc+0x23/0xb0 [ 287.228643][ C0] stack_trace_save+0x118/0x1d0 [ 287.228662][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 287.228685][ C0] save_stack+0xfb/0x1f0 [ 287.228705][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.228727][ C0] ? __pfx_save_stack+0x10/0x10 [ 287.228746][ C0] ? free_unref_page+0xcd0/0xf00 [ 287.228763][ C0] ? __put_partials+0xeb/0x130 [ 287.228781][ C0] ? put_cpu_partial+0x17c/0x250 [ 287.228800][ C0] ? __slab_free+0x2ea/0x3d0 [ 287.228819][ C0] ? qlist_free_all+0x9a/0x140 [ 287.228837][ C0] ? kasan_quarantine_reduce+0x14f/0x170 [ 287.228862][ C0] ? page_ext_get+0x20/0x2a0 [ 287.228885][ C0] __reset_page_owner+0x76/0x430 [ 287.228904][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.228927][ C0] free_unref_page+0xcd0/0xf00 [ 287.228949][ C0] __put_partials+0xeb/0x130 [ 287.228968][ C0] put_cpu_partial+0x17c/0x250 [ 287.228987][ C0] ? put_cpu_partial+0x70/0x250 [ 287.229008][ C0] __slab_free+0x2ea/0x3d0 [ 287.229029][ C0] ? __phys_addr+0xba/0x170 [ 287.229046][ C0] qlist_free_all+0x9a/0x140 [ 287.229066][ C0] kasan_quarantine_reduce+0x14f/0x170 [ 287.229088][ C0] __kasan_kmalloc+0x23/0xb0 [ 287.229109][ C0] __kmalloc_node_track_caller_noprof+0x225/0x440 [ 287.229127][ C0] ? __alloc_skb+0x1f3/0x440 [ 287.229143][ C0] ? __alloc_skb+0x1f3/0x440 [ 287.229157][ C0] kmalloc_reserve+0x111/0x2a0 [ 287.229173][ C0] __alloc_skb+0x1f3/0x440 [ 287.229187][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.229210][ C0] ? __pfx___alloc_skb+0x10/0x10 [ 287.229229][ C0] alloc_skb_with_frags+0xc3/0x820 [ 287.229252][ C0] sock_alloc_send_pskb+0x91a/0xa60 [ 287.229283][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 287.229304][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.229327][ C0] unix_dgram_sendmsg+0x6d3/0x1f80 [ 287.229346][ C0] ? __pfx_smack_socket_sendmsg+0x10/0x10 [ 287.229369][ C0] ? tomoyo_socket_sendmsg_permission+0x288/0x420 [ 287.229394][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.229416][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.229430][ C0] __sock_sendmsg+0x221/0x270 [ 287.229451][ C0] __sys_sendto+0x39b/0x4f0 [ 287.229469][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 287.229494][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.229517][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.229542][ C0] __x64_sys_sendto+0xde/0x100 [ 287.229559][ C0] do_syscall_64+0xf3/0x230 [ 287.229574][ C0] ? clear_bhb_loop+0x35/0x90 [ 287.229588][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.229611][ C0] RIP: 0033:0x7f1b5bce09b5 [ 287.229624][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 287.229636][ C0] RSP: 002b:00007ffd587f6918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.229651][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1b5bce09b5 [ 287.229662][ C0] RDX: 0000000000000056 RSI: 0000564aa0bf3cf0 RDI: 0000000000000003 [ 287.229672][ C0] RBP: 0000564aa0bef910 R08: 0000000000000000 R09: 0000000000000000 [ 287.229682][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.229691][ C0] R13: 00007f1b5be6e212 R14: 00007ffd587f6a18 R15: 0000000000000000 [ 287.229709][ C0] [ 287.229716][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.657 msecs [ 287.234574][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.234587][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc2-syzkaller #0 [ 287.234608][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.234618][ T30] Call Trace: [ 287.234624][ T30] [ 287.234632][ T30] dump_stack_lvl+0x241/0x360 [ 287.234654][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.234671][ T30] ? __pfx__printk+0x10/0x10 [ 287.234692][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.234721][ T30] ? vscnprintf+0x5d/0x90 [ 287.234742][ T30] panic+0x349/0x880 [ 287.234766][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.234787][ T30] ? __pfx_panic+0x10/0x10 [ 287.234807][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.234826][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.234849][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.234866][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.234885][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.234906][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.234927][ T30] watchdog+0x1033/0x1040 [ 287.234949][ T30] ? watchdog+0x1ea/0x1040 [ 287.234974][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.234994][ T30] kthread+0x2f0/0x390 [ 287.235010][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.235029][ T30] ? __pfx_kthread+0x10/0x10 [ 287.235046][ T30] ret_from_fork+0x4b/0x80 [ 287.235067][ T30] ? __pfx_kthread+0x10/0x10 [ 287.235083][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.235114][ T30] [ 287.941837][ T30] Kernel Offset: disabled [ 287.946150][ T30] Rebooting in 86400 seconds..