./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3257290524 <...> DUID 00:04:f8:b5:8a:47:ae:09:95:3a:43:2d:d7:42:86:31:94:89 forked to background, child pid 4697 [ 46.678306][ T4698] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.708502][ T4698] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts. execve("./syz-executor3257290524", ["./syz-executor3257290524"], 0x7ffec4380890 /* 10 vars */) = 0 brk(NULL) = 0x55555593c000 brk(0x55555593cd00) = 0x55555593cd00 arch_prctl(ARCH_SET_FS, 0x55555593c380) = 0 set_tid_address(0x55555593c650) = 5033 set_robust_list(0x55555593c660, 24) = 0 rseq(0x55555593cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3257290524", 4096) = 28 getrandom("\x6d\x77\x53\x6a\xd1\xed\x1a\xa4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555593cd00 brk(0x55555595dd00) = 0x55555595dd00 brk(0x55555595e000) = 0x55555595e000 mprotect(0x7fc487751000, 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, child_tidptr=0x55555593c650) = 5034 ./strace-static-x86_64: Process 5034 attached [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5034] set_robust_list(0x55555593c660, 24) = 0 [pid 5034] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5035 attached [pid 5033] <... clone resumed>, child_tidptr=0x55555593c650) = 5035 [pid 5035] set_robust_list(0x55555593c660, 24 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5036 attached [pid 5035] <... set_robust_list resumed>) = 0 [pid 5036] set_robust_list(0x55555593c660, 24 [pid 5035] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5037 attached [pid 5033] <... clone resumed>, child_tidptr=0x55555593c650) = 5037 [pid 5036] <... set_robust_list resumed>) = 0 [pid 5034] <... clone resumed>, child_tidptr=0x55555593c650) = 5036 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5036] setpgid(0, 0) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5036] write(3, "1000", 4) = 4 [pid 5036] close(3) = 0 [pid 5036] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5037] set_robust_list(0x55555593c660, 24 [pid 5036] <... openat resumed>) = 3 [pid 5036] dup(3 [pid 5037] <... set_robust_list resumed>) = 0 [pid 5036] <... dup resumed>) = 4 [pid 5036] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807./strace-static-x86_64: Process 5039 attached [pid 5037] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5038 attached [pid 5033] <... clone resumed>, child_tidptr=0x55555593c650) = 5039 [pid 5039] set_robust_list(0x55555593c660, 24 [pid 5038] set_robust_list(0x55555593c660, 24 [pid 5035] <... clone resumed>, child_tidptr=0x55555593c650) = 5038 [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5038] <... set_robust_list resumed>) = 0 [pid 5039] <... set_robust_list resumed>) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5040 attached [pid 5039] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5038] setpgid(0, 0 [pid 5037] <... clone resumed>, child_tidptr=0x55555593c650) = 5040 ./strace-static-x86_64: Process 5041 attached [pid 5038] <... setpgid resumed>) = 0 [pid 5033] <... clone resumed>, child_tidptr=0x55555593c650) = 5041 [pid 5041] set_robust_list(0x55555593c660, 24 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5041] <... set_robust_list resumed>) = 0 [pid 5038] <... openat resumed>) = 3 [pid 5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5040] set_robust_list(0x55555593c660, 24 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5040] <... set_robust_list resumed>) = 0 [pid 5038] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5038] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5042 attached [pid 5040] <... prctl resumed>) = 0 [pid 5039] <... clone resumed>, child_tidptr=0x55555593c650) = 5042 [pid 5040] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5043 attached [pid 5033] <... clone resumed>, child_tidptr=0x55555593c650) = 5043 [pid 5042] set_robust_list(0x55555593c660, 24 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5038] dup(3./strace-static-x86_64: Process 5044 attached [pid 5043] set_robust_list(0x55555593c660, 24 [pid 5042] <... set_robust_list resumed>) = 0 [pid 5040] <... openat resumed>) = 3 [pid 5041] <... clone resumed>, child_tidptr=0x55555593c650) = 5044 [pid 5038] <... dup resumed>) = 4 [pid 5043] <... set_robust_list resumed>) = 0 [pid 5044] set_robust_list(0x55555593c660, 24 [pid 5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5040] write(3, "1000", 4 [pid 5044] <... set_robust_list resumed>) = 0 [pid 5038] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5042] <... prctl resumed>) = 0 [pid 5040] <... write resumed>) = 4 [pid 5044] <... prctl resumed>) = 0 [pid 5042] setpgid(0, 0 [pid 5040] close(3 [pid 5044] setpgid(0, 0 [pid 5042] <... setpgid resumed>) = 0 [pid 5040] <... close resumed>) = 0 [pid 5044] <... setpgid resumed>) = 0 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5044] <... openat resumed>) = 3 [pid 5042] <... openat resumed>) = 3 [pid 5040] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5045 attached [pid 5044] write(3, "1000", 4 [pid 5042] write(3, "1000", 4 [pid 5040] dup(3 [pid 5045] set_robust_list(0x55555593c660, 24 [pid 5044] <... write resumed>) = 4 [pid 5043] <... clone resumed>, child_tidptr=0x55555593c650) = 5045 [pid 5042] <... write resumed>) = 4 [pid 5040] <... dup resumed>) = 4 [pid 5045] <... set_robust_list resumed>) = 0 [pid 5044] close(3 [pid 5042] close(3 [pid 5040] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5042] <... close resumed>) = 0 [pid 5045] <... prctl resumed>) = 0 [pid 5044] <... close resumed>) = 0 [pid 5042] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5045] setpgid(0, 0 [pid 5044] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5045] <... setpgid resumed>) = 0 [pid 5042] <... openat resumed>) = 3 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5044] <... openat resumed>) = 3 [pid 5042] dup(3 [pid 5045] write(3, "1000", 4 [pid 5044] dup(3 [pid 5042] <... dup resumed>) = 4 [pid 5045] <... write resumed>) = 4 [pid 5044] <... dup resumed>) = 4 [pid 5045] close(3 [pid 5044] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5042] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5045] <... close resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5045] dup(3) = 4 [pid 5045] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5034] kill(-5036, SIGKILL) = 0 [pid 5034] kill(5036, SIGKILL) = 0 [pid 5035] kill(-5038, SIGKILL) = 0 [pid 5035] kill(5038, SIGKILL) = 0 [pid 5037] kill(-5040, SIGKILL) = 0 [pid 5037] kill(5040, SIGKILL) = 0 [pid 5039] kill(-5042, SIGKILL) = 0 [pid 5039] kill(5042, SIGKILL) = 0 [pid 5041] kill(-5044, SIGKILL) = 0 [pid 5041] kill(5044, SIGKILL) = 0 [pid 5043] kill(-5045, SIGKILL) = 0 [pid 5043] kill(5045, SIGKILL) = 0 [pid 5041] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5041] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5041] getdents64(3, 0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5041] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5041] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5043] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5034] newfstatat(3, "", [pid 5043] <... openat resumed>) = 3 [pid 5043] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5034] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5043] getdents64(3, [pid 5034] getdents64(3, [pid 5043] <... getdents64 resumed>0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5043] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5043] close(3) = 0 [pid 5034] <... getdents64 resumed>0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5034] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5034] close(3) = 0 [pid 5039] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5039] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5037] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5039] getdents64(3, [pid 5037] <... openat resumed>) = 3 [pid 5039] <... getdents64 resumed>0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5037] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5039] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5037] getdents64(3, [pid 5039] close(3) = 0 [pid 5037] <... getdents64 resumed>0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5037] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5037] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5035] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5035] getdents64(3, 0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5035] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5035] close(3) = 0 syzkaller login: [ 86.848454][ T781] cfg80211: failed to load regulatory.db [pid 5036] <... fallocate resumed>) = ? [pid 5036] +++ killed by SIGKILL +++ [pid 5034] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5036, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=7654 /* 76.54 s */} --- [pid 5034] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x55555593c660, 24) = 0 [pid 5034] <... clone resumed>, child_tidptr=0x55555593c650) = 5063 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5063] dup(3) = 4 [pid 5063] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5034] kill(-5063, SIGKILL) = 0 [pid 5034] kill(5063, SIGKILL) = 0 [pid 5034] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5034] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5034] getdents64(3, 0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5034] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5034] close(3) = 0 [pid 5038] <... fallocate resumed>) = ? [pid 5038] +++ killed by SIGKILL +++ [pid 5035] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5038, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=7583 /* 75.83 s */} --- [pid 5035] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555593c650) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x55555593c660, 24) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5070] dup(3) = 4 [pid 5070] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5035] kill(-5070, SIGKILL) = 0 [pid 5035] kill(5070, SIGKILL) = 0 [pid 5035] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5035] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5035] getdents64(3, 0x55555593d6f0 /* 2 entries */, 32768) = 48 [pid 5035] getdents64(3, 0x55555593d6f0 /* 0 entries */, 32768) = 0 [pid 5035] close(3) = 0 [ 286.516548][ T29] INFO: task syz-executor325:5042 blocked for more than 143 seconds. [ 286.524820][ T29] Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 286.533668][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.545263][ T29] task:syz-executor325 state:D stack:25688 pid:5042 ppid:5039 flags:0x00004006 [ 286.555763][ T29] Call Trace: [ 286.559114][ T29] [ 286.562077][ T29] __schedule+0x196c/0x4af0 [ 286.567992][ T29] ? release_firmware_map_entry+0x190/0x190 [ 286.575097][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 286.595143][ T29] ? print_irqtrace_events+0x220/0x220 [ 286.601868][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.608275][ T29] schedule+0xc3/0x180 [ 286.613480][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.620156][ T29] rwsem_down_write_slowpath+0xee6/0x13a0 [ 286.627121][ T29] ? rwsem_down_write_slowpath+0xa05/0x13a0 [ 286.634192][ T29] ? down_write_killable_nested+0x80/0x80 [ 286.641122][ T29] ? read_lock_is_recursive+0x20/0x20 [ 286.651228][ T29] __down_write_common+0x1aa/0x200 [ 286.659285][ T29] ? clear_nonspinnable+0x60/0x60 [ 286.664362][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.670883][ T29] blkdev_fallocate+0x21b/0x440 [ 286.678100][ T29] vfs_fallocate+0x551/0x6b0 [ 286.684998][ T29] __x64_sys_fallocate+0xbd/0x100 [ 286.691313][ T29] do_syscall_64+0x41/0xc0 [ 286.697040][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.715769][ T29] RIP: 0033:0x7fc4876deb29 [ 286.721327][ T29] RSP: 002b:00007ffdef2a4998 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.729927][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4876deb29 [ 286.739708][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.747884][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.756001][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.764584][ T29] R13: 00007ffdef2a4bb8 R14: 00007ffdef2a49c0 R15: 00007ffdef2a49b0 [ 286.773065][ T29] [ 286.776676][ T29] INFO: task syz-executor325:5044 blocked for more than 143 seconds. [ 286.785370][ T29] Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 286.793720][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.803000][ T29] task:syz-executor325 state:D stack:27144 pid:5044 ppid:5041 flags:0x00004006 [ 286.812853][ T29] Call Trace: [ 286.816169][ T29] [ 286.819756][ T29] __schedule+0x196c/0x4af0 [ 286.824340][ T29] ? release_firmware_map_entry+0x190/0x190 [ 286.830340][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 286.836589][ T29] ? print_irqtrace_events+0x220/0x220 [ 286.842451][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.848138][ T29] schedule+0xc3/0x180 [ 286.852707][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.858742][ T29] rwsem_down_write_slowpath+0xee6/0x13a0 [ 286.865020][ T29] ? rwsem_down_write_slowpath+0xa05/0x13a0 [ 286.871510][ T29] ? down_write_killable_nested+0x80/0x80 [ 286.877917][ T29] ? read_lock_is_recursive+0x20/0x20 [ 286.883432][ T29] __down_write_common+0x1aa/0x200 [ 286.889027][ T29] ? clear_nonspinnable+0x60/0x60 [ 286.894095][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.899398][ T29] blkdev_fallocate+0x21b/0x440 [ 286.904298][ T29] vfs_fallocate+0x551/0x6b0 [ 286.909091][ T29] __x64_sys_fallocate+0xbd/0x100 [ 286.914264][ T29] do_syscall_64+0x41/0xc0 [ 286.918817][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.925301][ T29] RIP: 0033:0x7fc4876deb29 [ 286.930326][ T29] RSP: 002b:00007ffdef2a4998 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.939409][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4876deb29 [ 286.947944][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.956578][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.964950][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.973558][ T29] R13: 00007ffdef2a4bb8 R14: 00007ffdef2a49c0 R15: 00007ffdef2a49b0 [ 286.982023][ T29] [ 286.985117][ T29] INFO: task syz-executor325:5045 blocked for more than 143 seconds. [ 286.993257][ T29] Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 287.000935][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.010071][ T29] task:syz-executor325 state:D stack:27080 pid:5045 ppid:5043 flags:0x00004006 [ 287.026413][ T29] Call Trace: [ 287.029732][ T29] [ 287.032668][ T29] __schedule+0x196c/0x4af0 [ 287.037670][ T29] ? release_firmware_map_entry+0x190/0x190 [ 287.043642][ T29] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 287.049728][ T29] ? lockdep_hardirqs_on+0x98/0x140 [ 287.055310][ T29] ? asm_sysvec_reschedule_ipi+0x1a/0x20 [ 287.061468][ T29] schedule+0xc3/0x180 [ 287.065921][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.071823][ T29] rwsem_down_write_slowpath+0xee6/0x13a0 [ 287.077670][ T29] ? rwsem_down_write_slowpath+0xa05/0x13a0 [ 287.086588][ T29] ? down_write_killable_nested+0x80/0x80 [ 287.092385][ T29] ? read_lock_is_recursive+0x20/0x20 [ 287.098417][ T29] __down_write_common+0x1aa/0x200 [ 287.103901][ T29] ? clear_nonspinnable+0x60/0x60 [ 287.109505][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.114801][ T29] blkdev_fallocate+0x21b/0x440 [ 287.121325][ T29] vfs_fallocate+0x551/0x6b0 [ 287.126002][ T29] __x64_sys_fallocate+0xbd/0x100 [ 287.131379][ T29] do_syscall_64+0x41/0xc0 [ 287.135833][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.142350][ T29] RIP: 0033:0x7fc4876deb29 [ 287.147073][ T29] RSP: 002b:00007ffdef2a4998 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.155551][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4876deb29 [ 287.163939][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.172198][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.180294][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.188702][ T29] R13: 00007ffdef2a4bb8 R14: 00007ffdef2a49c0 R15: 00007ffdef2a49b0 [ 287.197222][ T29] [ 287.200671][ T29] [ 287.200671][ T29] Showing all locks held in the system: [ 287.208843][ T29] 1 lock held by khungtaskd/29: [ 287.213743][ T29] #0: ffffffff8d32c420 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.226553][ T29] 3 locks held by kworker/0:1H/54: [ 287.231704][ T29] #0: ffff8880b983c318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.242274][ T29] #1: ffff8880b9828808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 [ 287.254142][ T29] #2: ffffffff8d32c420 (rcu_read_lock){....}-{1:2}, at: blk_mq_run_work_fn+0x9b/0x2f0 [ 287.264603][ T29] 1 lock held by klogd/4473: [ 287.269590][ T29] #0: ffff8880b983c318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.280114][ T29] 2 locks held by getty/4785: [ 287.284817][ T29] #0: ffff88814aa610a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.295174][ T29] #1: ffffc900015a72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 [ 287.305982][ T29] 1 lock held by syz-executor325/5040: [ 287.311904][ T29] 1 lock held by syz-executor325/5042: [ 287.317509][ T29] #0: ffff88801acd0940 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21b/0x440 [ 287.328854][ T29] 1 lock held by syz-executor325/5044: [ 287.334686][ T29] #0: ffff88801acd0940 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21b/0x440 [ 287.345894][ T29] 1 lock held by syz-executor325/5045: [ 287.351830][ T29] #0: ffff88801acd0940 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21b/0x440 [ 287.363047][ T29] 1 lock held by syz-executor325/5063: [ 287.368616][ T29] #0: ffff88801acd0940 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21b/0x440 [ 287.379729][ T29] 1 lock held by syz-executor325/5070: [ 287.386587][ T29] #0: ffff88801acd0940 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x21b/0x440 [ 287.397944][ T29] [ 287.400671][ T29] ============================================= [ 287.400671][ T29] [ 287.409617][ T29] NMI backtrace for cpu 1 [ 287.413969][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 287.423777][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 287.433841][ T29] Call Trace: [ 287.437145][ T29] [ 287.440087][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 287.444777][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.450220][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.455693][ T29] ? panic+0x770/0x770 [ 287.459779][ T29] ? vprintk_emit+0x607/0x720 [ 287.464479][ T29] ? printk_sprint+0x480/0x480 [ 287.469261][ T29] nmi_cpu_backtrace+0x498/0x4d0 [ 287.474238][ T29] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.480410][ T29] ? _printk+0xd5/0x120 [ 287.484575][ T29] ? panic+0x770/0x770 [ 287.488654][ T29] ? __wake_up_klogd+0xcc/0x100 [ 287.493514][ T29] ? panic+0x770/0x770 [ 287.497595][ T29] ? __rcu_read_unlock+0x96/0x100 [ 287.502642][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.508735][ T29] nmi_trigger_cpumask_backtrace+0x198/0x310 [ 287.514730][ T29] watchdog+0xfa9/0xff0 [ 287.518928][ T29] ? watchdog+0x1e9/0xff0 [ 287.523287][ T29] kthread+0x2d3/0x370 [ 287.527362][ T29] ? hungtask_pm_notify+0x90/0x90 [ 287.532579][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.537179][ T29] ret_from_fork+0x48/0x80 [ 287.541597][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.546196][ T29] ret_from_fork_asm+0x11/0x20 [ 287.550982][ T29] [ 287.554116][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.559403][ C0] NMI backtrace for cpu 0 [ 287.559414][ C0] CPU: 0 PID: 2868 Comm: kworker/u4:9 Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 287.559433][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 287.559444][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.559547][ C0] RIP: 0010:__sanitizer_cov_trace_switch+0x0/0x110 [ 287.559573][ C0] Code: 8d 41 28 4c 39 c8 77 1e 49 ff c2 4c 89 12 48 c7 44 11 08 07 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 c3 0f 1f 00 0f 1e fa 41 57 41 56 41 54 53 4c 8b 16 48 8b 46 08 48 83 c0 f8 [ 287.559588][ C0] RSP: 0018:ffffc9000bd1f8f8 EFLAGS: 00000283 [ 287.559602][ C0] RAX: 0000000000000000 RBX: 000000000000000f RCX: ffff888027cf0000 [ 287.559613][ C0] RDX: 0000000000000015 RSI: ffffffff8d165bc0 RDI: 0000000000000005 [ 287.559625][ C0] RBP: ffffc9000bd1fa50 R08: 0000000000000001 R09: ffffffff813259bb [ 287.559637][ C0] R10: 0000000000000015 R11: ffff888027cf0000 R12: ffffffff900c2b90 [ 287.559649][ C0] R13: 000000000000000f R14: dffffc0000000000 R15: 0000000000000005 [ 287.559661][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.559675][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.559688][ C0] CR2: 00005555559456f8 CR3: 000000000d130000 CR4: 00000000003506f0 [ 287.559703][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.559713][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.559724][ C0] Call Trace: [ 287.559731][ C0] [ 287.559737][ C0] ? nmi_cpu_backtrace+0x3be/0x4d0 [ 287.559760][ C0] ? read_lock_is_recursive+0x20/0x20 [ 287.559782][ C0] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.559804][ C0] ? nmi_handle+0x2a/0x570 [ 287.559835][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.559864][ C0] ? nmi_handle+0x14c/0x570 [ 287.559885][ C0] ? nmi_handle+0x2a/0x570 [ 287.559907][ C0] ? __sanitizer_cov_trace_const_cmp8+0x80/0x80 [ 287.559929][ C0] ? default_do_nmi+0x62/0x150 [ 287.559950][ C0] ? exc_nmi+0x11e/0x1f0 [ 287.559970][ C0] ? end_repeat_nmi+0x16/0x31 [ 287.559995][ C0] ? text_poke_loc_init+0x3bb/0x860 [ 287.560015][ C0] ? __sanitizer_cov_trace_const_cmp8+0x80/0x80 [ 287.560039][ C0] ? __sanitizer_cov_trace_const_cmp8+0x80/0x80 [ 287.560062][ C0] ? __sanitizer_cov_trace_const_cmp8+0x80/0x80 [ 287.560085][ C0] [ 287.560090][ C0] [ 287.560095][ C0] text_poke_loc_init+0x5f0/0x860 [ 287.560118][ C0] ? text_poke_finish+0x50/0x50 [ 287.560142][ C0] ? static_key_disable_cpuslocked+0x9b/0x1b0 [ 287.560202][ C0] ? text_poke_queue+0x12c/0x180 [ 287.560229][ C0] arch_jump_label_transform_queue+0x8b/0xf0 [ 287.560256][ C0] __jump_label_update+0x177/0x3a0 [ 287.560283][ C0] static_key_disable_cpuslocked+0xce/0x1b0 [ 287.560307][ C0] static_key_disable+0x1a/0x20 [ 287.560328][ C0] toggle_allocation_gate+0x1b8/0x250 [ 287.560349][ C0] ? show_object+0x70/0x70 [ 287.560367][ C0] ? print_irqtrace_events+0x220/0x220 [ 287.560393][ C0] ? process_scheduled_works+0x825/0x1400 [ 287.560414][ C0] process_scheduled_works+0x90f/0x1400 [ 287.560450][ C0] ? assign_work+0x3d0/0x3d0 [ 287.560473][ C0] ? assign_work+0x364/0x3d0 [ 287.560497][ C0] worker_thread+0xa5f/0xff0 [ 287.560530][ C0] kthread+0x2d3/0x370 [ 287.560546][ C0] ? pr_cont_work+0x5e0/0x5e0 [ 287.560564][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.560591][ C0] ret_from_fork+0x48/0x80 [ 287.560625][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.560650][ C0] ret_from_fork_asm+0x11/0x20 [ 287.560682][ C0] [ 287.560688][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.285 msecs [ 287.561761][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.924496][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0 [ 287.934309][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 287.944389][ T29] Call Trace: [ 287.947676][ T29] [ 287.950612][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 287.955306][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.960781][ T29] ? panic+0x770/0x770 [ 287.964868][ T29] ? vscnprintf+0x5d/0x80 [ 287.969385][ T29] panic+0x30f/0x770 [ 287.973293][ T29] ? schedule_preempt_disabled+0x20/0x20 [ 287.978936][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 287.985096][ T29] ? __memcpy_flushcache+0x2b0/0x2b0 [ 287.990410][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.996512][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 288.002685][ T29] ? nmi_trigger_cpumask_backtrace+0x2c5/0x310 [ 288.008853][ T29] ? nmi_trigger_cpumask_backtrace+0x2ca/0x310 [ 288.015025][ T29] watchdog+0xfe8/0xff0 [ 288.019217][ T29] ? watchdog+0x1e9/0xff0 [ 288.023571][ T29] kthread+0x2d3/0x370 [ 288.027677][ T29] ? hungtask_pm_notify+0x90/0x90 [ 288.032816][ T29] ? kthread_blkcg+0xd0/0xd0 [ 288.037422][ T29] ret_from_fork+0x48/0x80 [ 288.041848][ T29] ? kthread_blkcg+0xd0/0xd0 [ 288.046451][ T29] ret_from_fork_asm+0x11/0x20 [ 288.051239][ T29] [ 288.054473][ T29] Kernel Offset: disabled [ 288.058795][ T29] Rebooting in 86400 seconds..