./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2930245857 <...> Warning: Permanently added '10.128.1.128' (ED25519) to the list of known hosts. execve("./syz-executor2930245857", ["./syz-executor2930245857"], 0x7ffc7da704c0 /* 10 vars */) = 0 brk(NULL) = 0x55555d57b000 brk(0x55555d57bd00) = 0x55555d57bd00 arch_prctl(ARCH_SET_FS, 0x55555d57b380) = 0 set_tid_address(0x55555d57b650) = 5246 set_robust_list(0x55555d57b660, 24) = 0 rseq(0x55555d57bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2930245857", 4096) = 28 getrandom("\x08\x3f\x69\x1b\x5e\xd2\x4d\x4a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d57bd00 brk(0x55555d59cd00) = 0x55555d59cd00 brk(0x55555d59d000) = 0x55555d59d000 mprotect(0x7f1827c16000, 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 5247 attached , child_tidptr=0x55555d57b650) = 5247 [pid 5247] set_robust_list(0x55555d57b660, 24) = 0 [pid 5246] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5247] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached ./strace-static-x86_64: Process 5248 attached , child_tidptr=0x55555d57b650) = 5249 [pid 5246] <... clone resumed>, child_tidptr=0x55555d57b650) = 5248 [pid 5248] set_robust_list(0x55555d57b660, 24 [pid 5246] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] set_robust_list(0x55555d57b660, 24 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5251 attached ./strace-static-x86_64: Process 5250 attached [pid 5248] <... clone resumed>, child_tidptr=0x55555d57b650) = 5251 [pid 5246] <... clone resumed>, child_tidptr=0x55555d57b650) = 5250 [pid 5251] set_robust_list(0x55555d57b660, 24 [pid 5249] setpgid(0, 0 [pid 5250] set_robust_list(0x55555d57b660, 24 [pid 5246] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 5250] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5252 attached ) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5252] set_robust_list(0x55555d57b660, 24 [pid 5251] setpgid(0, 0 [pid 5249] <... openat resumed>) = 3 [pid 5246] <... clone resumed>, child_tidptr=0x55555d57b650) = 5252 [pid 5253] set_robust_list(0x55555d57b660, 24 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] <... setpgid resumed>) = 0 [pid 5246] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] <... set_robust_list resumed>) = 0 [pid 5252] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] write(3, "1000", 4 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] <... clone resumed>, child_tidptr=0x55555d57b650) = 5253 [pid 5249] <... write resumed>) = 4 ./strace-static-x86_64: Process 5254 attached [pid 5254] set_robust_list(0x55555d57b660, 24./strace-static-x86_64: Process 5255 attached ) = 0 [pid 5251] <... openat resumed>) = 3 [pid 5246] <... clone resumed>, child_tidptr=0x55555d57b650) = 5254 [pid 5255] set_robust_list(0x55555d57b660, 24 [pid 5253] <... prctl resumed>) = 0 [pid 5251] write(3, "1000", 4 [pid 5249] close(3 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] setpgid(0, 0 [pid 5252] <... clone resumed>, child_tidptr=0x55555d57b650) = 5255 [pid 5251] <... write resumed>) = 4 [pid 5249] <... close resumed>) = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] <... setpgid resumed>) = 0 [pid 5251] close(3executing program executing program [pid 5249] write(1, "executing program\n", 18 [pid 5255] <... prctl resumed>) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] <... close resumed>) = 0 [pid 5249] <... write resumed>) = 18 [pid 5255] setpgid(0, 0 [pid 5253] <... openat resumed>) = 3 [pid 5251] write(1, "executing program\n", 18 [pid 5249] 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 5256 attached [pid 5255] <... setpgid resumed>) = 0 [pid 5253] write(3, "1000", 4 [pid 5251] <... write resumed>) = 18 [pid 5249] <... openat resumed>) = 3 [pid 5256] set_robust_list(0x55555d57b660, 24 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... write resumed>) = 4 [pid 5251] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5256] <... set_robust_list resumed>) = 0 [pid 5254] <... clone resumed>, child_tidptr=0x55555d57b650) = 5256 [pid 5253] close(3 [pid 5251] <... openat resumed>) = 3 [pid 5249] dup(3 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... openat resumed>) = 3 [pid 5253] <... close resumed>) = 0 [pid 5249] <... dup resumed>) = 4 [pid 5256] <... prctl resumed>) = 0 [pid 5256] setpgid(0, 0 [pid 5255] write(3, "1000", 4executing program [pid 5253] write(1, "executing program\n", 18 [pid 5251] dup(3 [pid 5249] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5256] <... setpgid resumed>) = 0 [pid 5255] <... write resumed>) = 4 [pid 5253] <... write resumed>) = 18 [pid 5251] <... dup resumed>) = 4 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] close(3 [pid 5253] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5251] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5255] <... close resumed>) = 0 [pid 5253] <... openat resumed>) = 3 executing program [pid 5255] write(1, "executing program\n", 18 [pid 5256] <... openat resumed>) = 3 [pid 5253] dup(3 [pid 5255] <... write resumed>) = 18 [pid 5253] <... dup resumed>) = 4 [pid 5255] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC [pid 5253] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5255] <... openat resumed>) = 3 [pid 5255] dup(3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5255] <... dup resumed>) = 4 [pid 5255] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5256] write(1, "executing program\n", 18executing program ) = 18 [pid 5256] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5256] dup(3) = 4 [pid 5256] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5247] kill(-5249, SIGKILL) = 0 [pid 5247] kill(5249, SIGKILL) = 0 [pid 5248] kill(-5251, SIGKILL [pid 5250] kill(-5253, SIGKILL [pid 5248] <... kill resumed>) = 0 [pid 5250] <... kill resumed>) = 0 [pid 5248] kill(5251, SIGKILL [pid 5250] kill(5253, SIGKILL [pid 5248] <... kill resumed>) = 0 [pid 5250] <... kill resumed>) = 0 [pid 5252] kill(-5255, SIGKILL) = 0 [pid 5252] kill(5255, SIGKILL) = 0 [pid 5254] kill(-5256, SIGKILL) = 0 [pid 5254] kill(5256, SIGKILL) = 0 [pid 5248] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5252] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5247] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5248] <... openat resumed>) = 3 [pid 5252] <... openat resumed>) = 3 [pid 5248] newfstatat(3, "", [pid 5247] <... openat resumed>) = 3 [pid 5247] newfstatat(3, "", [pid 5252] newfstatat(3, "", [pid 5247] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5252] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5248] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5248] getdents64(3, [pid 5247] getdents64(3, [pid 5248] <... getdents64 resumed>0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5247] <... getdents64 resumed>0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5252] getdents64(3, [pid 5247] getdents64(3, [pid 5252] <... getdents64 resumed>0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5248] getdents64(3, [pid 5247] <... getdents64 resumed>0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5252] getdents64(3, [pid 5248] <... getdents64 resumed>0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5248] close(3 [pid 5247] close(3 [pid 5248] <... close resumed>) = 0 [pid 5247] <... close resumed>) = 0 [pid 5254] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5252] <... getdents64 resumed>0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5254] newfstatat(3, "", [pid 5252] close(3 [pid 5254] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5254] getdents64(3, [pid 5252] <... close resumed>) = 0 [pid 5254] <... getdents64 resumed>0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5254] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5254] close(3) = 0 [pid 5250] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5250] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5250] getdents64(3, 0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5250] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5250] close(3) = 0 [pid 5249] <... fallocate resumed>) = ? [pid 5249] +++ killed by SIGKILL +++ [pid 5247] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5249, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3424 /* 34.24 s */} --- [pid 5247] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x55555d57b660, 24 [pid 5247] <... clone resumed>, child_tidptr=0x55555d57b650) = 5257 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 [pid 5257] write(1, "executing program\n", 18) = 18 [pid 5257] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5257] dup(3) = 4 [pid 5257] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5247] kill(-5257, SIGKILL) = 0 [pid 5247] kill(5257, SIGKILL) = 0 [pid 5247] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5247] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5247] getdents64(3, 0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5247] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5247] close(3) = 0 [pid 5251] <... fallocate resumed>) = ? [pid 5251] +++ killed by SIGKILL +++ [pid 5248] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5251, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3458 /* 34.58 s */} --- [pid 5248] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5264 attached , child_tidptr=0x55555d57b650) = 5264 [pid 5264] set_robust_list(0x55555d57b660, 24) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 executing program [pid 5264] close(3) = 0 [pid 5264] write(1, "executing program\n", 18) = 18 [pid 5264] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5264] dup(3) = 4 [pid 5264] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5248] kill(-5264, SIGKILL) = 0 [pid 5248] kill(5264, SIGKILL) = 0 [pid 5248] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5248] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5248] getdents64(3, 0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5248] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5248] close(3) = 0 [pid 5253] <... fallocate resumed>) = ? [pid 5253] +++ killed by SIGKILL +++ [pid 5250] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5253, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3409 /* 34.09 s */} --- [pid 5250] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached , child_tidptr=0x55555d57b650) = 5265 [pid 5265] set_robust_list(0x55555d57b660, 24) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] write(1, "executing program\n", 18) = 18 [pid 5265] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5265] dup(3) = 4 [pid 5265] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5250] kill(-5265, SIGKILL) = 0 [pid 5250] kill(5265, SIGKILL) = 0 [pid 5250] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5250] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5250] getdents64(3, 0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5250] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5250] close(3) = 0 [pid 5255] <... fallocate resumed>) = ? [pid 5255] +++ killed by SIGKILL +++ [pid 5252] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5255, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3381 /* 33.81 s */} --- [pid 5252] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5273 attached , child_tidptr=0x55555d57b650) = 5273 [pid 5273] set_robust_list(0x55555d57b660, 24executing program ) = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5273] setpgid(0, 0) = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5273] write(3, "1000", 4) = 4 [pid 5273] close(3) = 0 [pid 5273] write(1, "executing program\n", 18) = 18 [pid 5273] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_TRUNC|O_APPEND|O_NONBLOCK|__O_SYNC|O_NOFOLLOW|O_NOATIME|FASYNC) = 3 [pid 5273] dup(3) = 4 [pid 5273] fallocate(4, FALLOC_FL_ZERO_RANGE, 0, 137438954496 [pid 5252] kill(-5273, SIGKILL) = 0 [pid 5252] kill(5273, SIGKILL) = 0 [pid 5252] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5252] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5252] getdents64(3, 0x55555d57c6f0 /* 2 entries */, 32768) = 48 [pid 5252] getdents64(3, 0x55555d57c6f0 /* 0 entries */, 32768) = 0 [pid 5252] close(3) = 0 [ 430.188087][ T30] INFO: task syz-executor293:5257 blocked for more than 143 seconds. [ 430.198500][ T30] Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 430.206299][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.216376][ T30] task:syz-executor293 state:D stack:23472 pid:5257 tgid:5257 ppid:5247 flags:0x00004006 [ 430.254411][ T30] Call Trace: [ 430.257858][ T30] [ 430.261788][ T30] __schedule+0x1843/0x4ae0 [ 430.267774][ T30] ? __pfx___schedule+0x10/0x10 [ 430.272710][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.302016][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.317654][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.327902][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 430.336271][ T30] ? schedule+0x90/0x320 [ 430.358466][ T30] schedule+0x14b/0x320 [ 430.367725][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.373375][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 430.396998][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 430.404482][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 430.413920][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 430.420674][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.426760][ T30] down_write+0x1d7/0x220 [ 430.431293][ T30] ? __pfx_down_write+0x10/0x10 [ 430.436352][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.441732][ T30] blkdev_fallocate+0x20e/0x490 [ 430.448939][ T30] vfs_fallocate+0x569/0x6e0 [ 430.455214][ T30] __x64_sys_fallocate+0xbd/0x110 [ 430.461592][ T30] do_syscall_64+0xf3/0x230 [ 430.467450][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.475289][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.481490][ T30] RIP: 0033:0x7f1827ba3b29 [ 430.485973][ T30] RSP: 002b:00007ffd5b898e88 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 430.495606][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1827ba3b29 [ 430.505591][ T30] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004 [ 430.516686][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 430.527309][ T30] R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000025106 [ 430.535645][ T30] R13: 00007ffd5b898e9c R14: 00007ffd5b898eb0 R15: 00007ffd5b898ea0 [ 430.543783][ T30] [ 430.549237][ T30] INFO: task syz-executor293:5264 blocked for more than 143 seconds. [ 430.567163][ T30] Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 430.575137][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.585563][ T30] task:syz-executor293 state:D stack:24152 pid:5264 tgid:5264 ppid:5248 flags:0x00004006 [ 430.607766][ T30] Call Trace: [ 430.611215][ T30] [ 430.614186][ T30] __schedule+0x1843/0x4ae0 [ 430.619077][ T30] ? __pfx___schedule+0x10/0x10 [ 430.624084][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.629314][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.636924][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.645785][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 430.652210][ T30] ? schedule+0x90/0x320 [ 430.661523][ T30] schedule+0x14b/0x320 [ 430.665817][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.671559][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 430.678626][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 430.685731][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 430.693276][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 430.701120][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.711227][ T30] down_write+0x1d7/0x220 [ 430.715639][ T30] ? __pfx_down_write+0x10/0x10 [ 430.720708][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.725983][ T30] blkdev_fallocate+0x20e/0x490 [ 430.731051][ T30] vfs_fallocate+0x569/0x6e0 [ 430.735780][ T30] __x64_sys_fallocate+0xbd/0x110 [ 430.747067][ T30] do_syscall_64+0xf3/0x230 [ 430.751781][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.756529][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.762607][ T30] RIP: 0033:0x7f1827ba3b29 [ 430.767076][ T30] RSP: 002b:00007ffd5b898e88 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 430.776730][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1827ba3b29 [ 430.787202][ T30] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004 [ 430.797156][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 430.805281][ T30] R10: 0000002000000400 R11: 0000000000000246 R12: 000000000002511c [ 430.835296][ T30] R13: 00007ffd5b898e9c R14: 00007ffd5b898eb0 R15: 00007ffd5b898ea0 [ 430.845641][ T30] [ 430.849733][ T30] [ 430.849733][ T30] Showing all locks held in the system: [ 430.859058][ T30] 1 lock held by khungtaskd/30: [ 430.864043][ T30] #0: ffffffff8e937de0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 430.932267][ T30] 1 lock held by klogd/4662: [ 430.936946][ T30] 2 locks held by getty/4979: [ 430.952451][ T30] #0: ffff8880321020a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.981826][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 431.005168][ T30] 1 lock held by syz-executor293/5256: [ 431.017624][ T30] #0: ffff8880234959c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 431.058437][ T30] 1 lock held by syz-executor293/5257: [ 431.064730][ T30] #0: ffff8880234959c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 431.102875][ T30] 1 lock held by syz-executor293/5264: [ 431.114510][ T30] #0: ffff8880234959c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 431.126592][ T30] 1 lock held by syz-executor293/5265: [ 431.133203][ T30] #0: ffff8880234959c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 431.146955][ T30] 1 lock held by syz-executor293/5273: [ 431.153608][ T30] #0: ffff8880234959c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 [ 431.165166][ T30] [ 431.167551][ T30] ============================================= [ 431.167551][ T30] [ 431.176096][ T30] NMI backtrace for cpu 1 [ 431.180562][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 431.191119][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.201391][ T30] Call Trace: [ 431.204715][ T30] [ 431.207770][ T30] dump_stack_lvl+0x241/0x360 [ 431.212477][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.217702][ T30] ? __pfx__printk+0x10/0x10 [ 431.222325][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 431.227407][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 431.232879][ T30] ? _printk+0xd5/0x120 [ 431.237131][ T30] ? __pfx__printk+0x10/0x10 [ 431.241754][ T30] ? __wake_up_klogd+0xcc/0x110 [ 431.246639][ T30] ? __pfx__printk+0x10/0x10 [ 431.251266][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 431.256328][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 431.262421][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 431.268508][ T30] watchdog+0xff4/0x1040 [ 431.272776][ T30] ? watchdog+0x1ea/0x1040 [ 431.277741][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.282710][ T30] kthread+0x2f0/0x390 [ 431.286812][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.291509][ T30] ? __pfx_kthread+0x10/0x10 [ 431.296283][ T30] ret_from_fork+0x4b/0x80 [ 431.300732][ T30] ? __pfx_kthread+0x10/0x10 [ 431.305350][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.310578][ T30] [ 431.317233][ T30] Sending NMI from CPU 1 to CPUs 0: [ 431.325941][ C0] NMI backtrace for cpu 0 [ 431.325957][ C0] CPU: 0 UID: 0 PID: 4662 Comm: klogd Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 431.325977][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.325988][ C0] RIP: 0010:qlist_free_all+0x71/0x140 [ 431.326019][ C0] Code: 4c 05 08 f6 c1 01 0f 85 a8 00 00 00 4c 01 e8 66 90 0f b6 48 33 c1 e1 18 81 f9 00 00 00 f5 48 0f 45 c5 48 8b 58 08 4d 8b 34 24 <48> 63 83 c0 00 00 00 49 29 c4 48 89 df 4c 89 e6 e8 4a e5 ff ff 66 [ 431.326042][ C0] RSP: 0018:ffffc900031bf620 EFLAGS: 00000246 [ 431.326058][ C0] RAX: ffffea0000ccec80 RBX: ffff888141b66c80 RCX: 00000000f5000000 [ 431.326072][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 431.326083][ C0] RBP: 0000000000000000 R08: ffffffff8142ee9c R09: ffffffff81fb7a1f [ 431.326095][ C0] R10: dffffc0000000000 R11: fffffbfff2852107 R12: ffff8880333b23a0 [ 431.326109][ C0] R13: ffffea0000000000 R14: ffff8880333b40c0 R15: 0000000000000000 [ 431.326122][ C0] FS: 00007f822de00380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 431.326137][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.326150][ C0] CR2: 000055af0927fad8 CR3: 000000007dd78000 CR4: 00000000003526f0 [ 431.326166][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 431.326176][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 431.326187][ C0] Call Trace: [ 431.326194][ C0] [ 431.326201][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 431.326224][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 431.326253][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 431.326274][ C0] ? nmi_handle+0x2a/0x5a0 [ 431.326300][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 431.326324][ C0] ? nmi_handle+0x14f/0x5a0 [ 431.326342][ C0] ? nmi_handle+0x2a/0x5a0 [ 431.326360][ C0] ? qlist_free_all+0x71/0x140 [ 431.326383][ C0] ? default_do_nmi+0x63/0x160 [ 431.326407][ C0] ? exc_nmi+0x123/0x1f0 [ 431.326428][ C0] ? end_repeat_nmi+0xf/0x53 [ 431.326446][ C0] ? qlist_free_all+0x8f/0x140 [ 431.326468][ C0] ? __phys_addr+0xac/0x170 [ 431.326488][ C0] ? qlist_free_all+0x71/0x140 [ 431.326511][ C0] ? qlist_free_all+0x71/0x140 [ 431.326535][ C0] ? qlist_free_all+0x71/0x140 [ 431.326557][ C0] [ 431.326563][ C0] [ 431.326571][ C0] kasan_quarantine_reduce+0x14f/0x170 [ 431.326597][ C0] __kasan_kmalloc+0x23/0xb0 [ 431.326622][ C0] __kmalloc_node_track_caller_noprof+0x225/0x440 [ 431.326643][ C0] ? __alloc_skb+0x1f3/0x440 [ 431.326663][ C0] ? __alloc_skb+0x1f3/0x440 [ 431.326680][ C0] kmalloc_reserve+0x111/0x2a0 [ 431.326700][ C0] __alloc_skb+0x1f3/0x440 [ 431.326717][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 431.326744][ C0] ? __pfx___alloc_skb+0x10/0x10 [ 431.326767][ C0] alloc_skb_with_frags+0xc3/0x820 [ 431.326794][ C0] sock_alloc_send_pskb+0x91a/0xa60 [ 431.326825][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 431.326851][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 431.326878][ C0] unix_dgram_sendmsg+0x6d3/0x1f80 [ 431.326901][ C0] ? __pfx_smack_socket_sendmsg+0x10/0x10 [ 431.326933][ C0] ? tomoyo_socket_sendmsg_permission+0x288/0x420 [ 431.326965][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 431.326990][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 431.327007][ C0] __sock_sendmsg+0x221/0x270 [ 431.327033][ C0] __sys_sendto+0x39b/0x4f0 [ 431.327053][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 431.327082][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 431.327110][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 431.327139][ C0] __x64_sys_sendto+0xde/0x100 [ 431.327159][ C0] do_syscall_64+0xf3/0x230 [ 431.327177][ C0] ? clear_bhb_loop+0x35/0x90 [ 431.327194][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.327221][ C0] RIP: 0033:0x7f822df629b5 [ 431.327236][ 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 [ 431.327250][ C0] RSP: 002b:00007fffd4959848 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 431.327267][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f822df629b5 [ 431.327279][ C0] RDX: 0000000000000073 RSI: 00005558c859dcc0 RDI: 0000000000000003 [ 431.327290][ C0] RBP: 00005558c8599910 R08: 0000000000000000 R09: 0000000000000000 [ 431.327301][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 431.327311][ C0] R13: 00007f822e0f0212 R14: 00007fffd4959948 R15: 0000000000000000 [ 431.327331][ C0] [ 431.327338][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.398 msecs [ 431.340705][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 431.340729][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 [ 431.340759][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.340774][ T30] Call Trace: [ 431.340783][ T30] [ 431.340795][ T30] dump_stack_lvl+0x241/0x360 [ 431.340831][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.340857][ T30] ? __pfx__printk+0x10/0x10 [ 431.340878][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 431.340922][ T30] ? vscnprintf+0x5d/0x90 [ 431.340953][ T30] panic+0x349/0x880 [ 431.340978][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.341010][ T30] ? __pfx_panic+0x10/0x10 [ 431.341030][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 431.341059][ T30] ? __irq_work_queue_local+0x137/0x410 [ 431.341092][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 431.341119][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.341148][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 431.341180][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 431.341215][ T30] watchdog+0x1033/0x1040 [ 431.341249][ T30] ? watchdog+0x1ea/0x1040 [ 431.341286][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.341317][ T30] kthread+0x2f0/0x390 [ 431.341342][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.341373][ T30] ? __pfx_kthread+0x10/0x10 [ 431.341397][ T30] ret_from_fork+0x4b/0x80 [ 431.341432][ T30] ? __pfx_kthread+0x10/0x10 [ 431.341456][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.341503][ T30] [ 431.941228][ T30] Kernel Offset: disabled [ 431.945603][ T30] Rebooting in 86400 seconds..