./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor788403509 <...> Warning: Permanently added '10.128.1.164' (ED25519) to the list of known hosts. [ 97.441788][ T8] cfg80211: failed to load regulatory.db execve("./syz-executor788403509", ["./syz-executor788403509"], 0x7ffdced55010 /* 10 vars */) = 0 brk(NULL) = 0x5555603c6000 brk(0x5555603c6d00) = 0x5555603c6d00 arch_prctl(ARCH_SET_FS, 0x5555603c6380) = 0 set_tid_address(0x5555603c6650) = 5075 set_robust_list(0x5555603c6660, 24) = 0 rseq(0x5555603c6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor788403509", 4096) = 27 getrandom("\xe2\x51\xbc\xff\x45\xae\x06\x79", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555603c6d00 brk(0x5555603e7d00) = 0x5555603e7d00 brk(0x5555603e8000) = 0x5555603e8000 mprotect(0x7f41e8bd3000, 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 5076 attached , child_tidptr=0x5555603c6650) = 5076 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] set_robust_list(0x5555603c6660, 24./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x5555603c6660, 24) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x5555603c6650) = 5077 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached [pid 5078] set_robust_list(0x5555603c6660, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555603c6650) = 5078 [pid 5078] <... set_robust_list resumed>) = 0 [ 97.668978][ T28] audit: type=1400 audit(1714587447.245:87): avc: denied { execmem } for pid=5075 comm="syz-executor788" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5080 attached ./strace-static-x86_64: Process 5079 attached ) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555603c6650) = 5080 [pid 5080] set_robust_list(0x5555603c6660, 24 [pid 5079] set_robust_list(0x5555603c6660, 24 [pid 5078] setpgid(0, 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555603c6650) = 5079 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] <... setpgid resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5081 attached [pid 5079] <... prctl resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] set_robust_list(0x5555603c6660, 24 [pid 5075] <... clone resumed>, child_tidptr=0x5555603c6650) = 5081 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] write(3, "1000", 4 [pid 5079] write(3, "1000", 4 [pid 5078] <... write resumed>) = 4 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5078] close(3 [pid 5079] close(3 [pid 5078] <... close resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5079] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5084 attached ./strace-static-x86_64: Process 5083 attached [pid 5079] <... openat resumed>) = 3 [pid 5078] dup(3 [pid 5075] <... clone resumed>, child_tidptr=0x5555603c6650) = 5083 [pid 5084] set_robust_list(0x5555603c6660, 24 [pid 5083] set_robust_list(0x5555603c6660, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555603c6650) = 5084 [pid 5080] <... clone resumed>, child_tidptr=0x5555603c6650) = 5082 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5078] <... dup resumed>) = 4 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... prctl resumed>) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5085 attached ./strace-static-x86_64: Process 5082 attached [pid 5079] dup(3 [pid 5083] <... clone resumed>, child_tidptr=0x5555603c6650) = 5085 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5084] dup(3) = 4 [pid 5084] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5085] set_robust_list(0x5555603c6660, 24) = 0 [pid 5082] set_robust_list(0x5555603c6660, 24 [pid 5079] <... dup resumed>) = 4 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5085] <... prctl resumed>) = 0 [pid 5082] <... prctl resumed>) = 0 [pid 5085] setpgid(0, 0 [pid 5082] setpgid(0, 0) = 0 [pid 5085] <... setpgid resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... openat resumed>) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5085] <... openat resumed>) = 3 [pid 5085] write(3, "1000", 4 [pid 5082] <... openat resumed>) = 3 [pid 5085] <... write resumed>) = 4 [pid 5082] dup(3 [pid 5085] close(3 [pid 5082] <... dup resumed>) = 4 [pid 5085] <... close resumed>) = 0 [pid 5082] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5085] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5085] dup(3) = 4 [ 97.746447][ T28] audit: type=1400 audit(1714587447.315:88): avc: denied { read write } for pid=5078 comm="syz-executor788" name="nullb0" dev="devtmpfs" ino=681 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [ 97.770341][ T28] audit: type=1400 audit(1714587447.315:89): avc: denied { open } for pid=5078 comm="syz-executor788" path="/dev/nullb0" dev="devtmpfs" ino=681 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [pid 5085] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5076] kill(-5079, SIGKILL) = 0 [pid 5077] kill(-5078, SIGKILL) = 0 [pid 5076] kill(5079, SIGKILL [pid 5077] kill(5078, SIGKILL [pid 5076] <... kill resumed>) = 0 [pid 5077] <... kill resumed>) = 0 [pid 5080] kill(-5082, SIGKILL) = 0 [pid 5080] kill(5082, SIGKILL) = 0 [pid 5081] kill(-5084, SIGKILL) = 0 [pid 5081] kill(5084, SIGKILL) = 0 [pid 5083] kill(-5085, SIGKILL) = 0 [pid 5083] kill(5085, SIGKILL) = 0 [pid 5081] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... openat resumed>) = 3 [pid 5083] <... openat resumed>) = 3 [pid 5080] <... openat resumed>) = 3 [pid 5081] newfstatat(3, "", [pid 5083] newfstatat(3, "", [pid 5080] newfstatat(3, "", [pid 5083] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5081] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5080] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5080] getdents64(3, 0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5076] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... openat resumed>) = 3 [pid 5077] <... openat resumed>) = 3 [pid 5076] newfstatat(3, "", [pid 5077] newfstatat(3, "", [pid 5083] getdents64(3, [pid 5076] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5083] <... getdents64 resumed>0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5077] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5077] getdents64(3, 0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(3, [pid 5083] getdents64(3, [pid 5077] getdents64(3, [pid 5083] <... getdents64 resumed>0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5081] getdents64(3, [pid 5080] getdents64(3, [pid 5077] <... getdents64 resumed>0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5076] <... getdents64 resumed>0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5083] close(3 [pid 5081] <... getdents64 resumed>0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5077] close(3 [pid 5083] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 5076] getdents64(3, 0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5081] <... getdents64 resumed>0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5081] close(3 [pid 5076] close(3 [pid 5080] <... getdents64 resumed>0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5081] <... close resumed>) = 0 [pid 5080] close(3 [pid 5076] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5078] <... fallocate resumed>) = ? [pid 5078] +++ killed by SIGKILL +++ [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5078, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=10812 /* 108.12 s */} --- [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached , child_tidptr=0x5555603c6650) = 5102 [pid 5102] set_robust_list(0x5555603c6660, 24) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5102] dup(3) = 4 [pid 5102] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5077] kill(-5102, SIGKILL) = 0 [pid 5077] kill(5102, SIGKILL) = 0 [pid 5077] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5077] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5077] getdents64(3, 0x5555603c76f0 /* 2 entries */, 32768) = 48 [pid 5077] getdents64(3, 0x5555603c76f0 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [ 286.878152][ T29] INFO: task syz-executor788:5079 blocked for more than 143 seconds. [ 286.886568][ T29] Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 286.911853][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.938797][ T29] task:syz-executor788 state:D stack:28160 pid:5079 tgid:5079 ppid:5076 flags:0x00004006 [ 286.961639][ T29] Call Trace: [ 286.964970][ T29] [ 286.974219][ T29] __schedule+0xf15/0x5d00 [ 286.990112][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 286.995406][ T29] ? hlock_class+0x4e/0x130 [ 287.010577][ T29] ? mark_lock+0xb5/0xc60 [ 287.014992][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.021294][ T29] ? __pfx___schedule+0x10/0x10 [ 287.026716][ T29] ? schedule+0x298/0x350 [ 287.032101][ T29] ? __pfx_lock_release+0x10/0x10 [ 287.037700][ T29] ? __down_write_common+0x8a1/0x13f0 [ 287.043667][ T29] schedule+0xe7/0x350 [ 287.047811][ T29] schedule_preempt_disabled+0x13/0x30 [ 287.054313][ T29] __down_write_common+0x950/0x13f0 [ 287.060753][ T29] ? __pfx___down_write_common+0x10/0x10 [ 287.066951][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 287.072131][ T29] ? __pfx___might_resched+0x10/0x10 [ 287.077484][ T29] blkdev_fallocate+0x1e9/0x450 [ 287.082453][ T29] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.087930][ T29] vfs_fallocate+0x4b8/0xf70 [ 287.092665][ T29] __x64_sys_fallocate+0xd5/0x140 [ 287.097755][ T29] do_syscall_64+0xcf/0x260 [ 287.102414][ T29] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.108482][ T29] RIP: 0033:0x7f41e8b60b29 [ 287.113482][ T29] RSP: 002b:00007fffc9d8c208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.122497][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41e8b60b29 [ 287.131114][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.139695][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.148908][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.157471][ T29] R13: 00007fffc9d8c428 R14: 00007fffc9d8c230 R15: 00007fffc9d8c220 [ 287.166071][ T29] [ 287.169254][ T29] INFO: task syz-executor788:5082 blocked for more than 143 seconds. [ 287.177448][ T29] Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 287.188610][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.197336][ T29] task:syz-executor788 state:D stack:28968 pid:5082 tgid:5082 ppid:5080 flags:0x00004006 [ 287.208014][ T29] Call Trace: [ 287.211344][ T29] [ 287.215003][ T29] __schedule+0xf15/0x5d00 [ 287.220090][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.225878][ T29] ? hlock_class+0x4e/0x130 [ 287.231236][ T29] ? mark_lock+0xb5/0xc60 [ 287.235651][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.241482][ T29] ? __pfx___schedule+0x10/0x10 [ 287.246931][ T29] ? schedule+0x298/0x350 [ 287.251913][ T29] ? __pfx_lock_release+0x10/0x10 [ 287.257495][ T29] ? __down_write_common+0x8a1/0x13f0 [ 287.262988][ T29] schedule+0xe7/0x350 [ 287.267132][ T29] schedule_preempt_disabled+0x13/0x30 [ 287.272744][ T29] __down_write_common+0x950/0x13f0 [ 287.278069][ T29] ? __pfx___down_write_common+0x10/0x10 [ 287.283762][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 287.288962][ T29] ? __pfx___might_resched+0x10/0x10 [ 287.294926][ T29] blkdev_fallocate+0x1e9/0x450 [ 287.300567][ T29] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.306501][ T29] vfs_fallocate+0x4b8/0xf70 [ 287.311714][ T29] __x64_sys_fallocate+0xd5/0x140 [ 287.317265][ T29] do_syscall_64+0xcf/0x260 [ 287.322576][ T29] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.329170][ T29] RIP: 0033:0x7f41e8b60b29 [ 287.333628][ T29] RSP: 002b:00007fffc9d8c208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.342650][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41e8b60b29 [ 287.350761][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.358889][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.367488][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.376080][ T29] R13: 00007fffc9d8c428 R14: 00007fffc9d8c230 R15: 00007fffc9d8c220 [ 287.384583][ T29] [ 287.388230][ T29] INFO: task syz-executor788:5085 blocked for more than 143 seconds. [ 287.396805][ T29] Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 287.408695][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.418175][ T29] task:syz-executor788 state:D stack:28752 pid:5085 tgid:5085 ppid:5083 flags:0x00004006 [ 287.429219][ T29] Call Trace: [ 287.432560][ T29] [ 287.435531][ T29] __schedule+0xf15/0x5d00 [ 287.440081][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.445364][ T29] ? hlock_class+0x4e/0x130 [ 287.450020][ T29] ? mark_lock+0xb5/0xc60 [ 287.454432][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.459780][ T29] ? __pfx___schedule+0x10/0x10 [ 287.464704][ T29] ? schedule+0x298/0x350 [ 287.469280][ T29] ? __pfx_lock_release+0x10/0x10 [ 287.474988][ T29] ? __down_write_common+0x8a1/0x13f0 [ 287.480999][ T29] schedule+0xe7/0x350 [ 287.485147][ T29] schedule_preempt_disabled+0x13/0x30 [ 287.490741][ T29] __down_write_common+0x950/0x13f0 [ 287.496527][ T29] ? __pfx___down_write_common+0x10/0x10 [ 287.502794][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 287.507907][ T29] ? __pfx___might_resched+0x10/0x10 [ 287.513846][ T29] blkdev_fallocate+0x1e9/0x450 [ 287.519418][ T29] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.525387][ T29] vfs_fallocate+0x4b8/0xf70 [ 287.530703][ T29] __x64_sys_fallocate+0xd5/0x140 [ 287.535797][ T29] do_syscall_64+0xcf/0x260 [ 287.540417][ T29] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.546421][ T29] RIP: 0033:0x7f41e8b60b29 [ 287.550967][ T29] RSP: 002b:00007fffc9d8c208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.559487][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41e8b60b29 [ 287.567505][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.576086][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.584683][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.593299][ T29] R13: 00007fffc9d8c428 R14: 00007fffc9d8c230 R15: 00007fffc9d8c220 [ 287.601796][ T29] [ 287.605343][ T29] [ 287.605343][ T29] Showing all locks held in the system: [ 287.627752][ T29] 1 lock held by khungtaskd/29: [ 287.632805][ T29] #0: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 287.643323][ T29] 2 locks held by getty/4830: [ 287.648123][ T29] #0: ffff888029e320a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.658038][ T29] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 [ 287.668834][ T29] 1 lock held by syz-executor788/5079: [ 287.674329][ T29] #0: ffff88801d53c2c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.685124][ T29] 1 lock held by syz-executor788/5082: [ 287.691142][ T29] #0: ffff88801d53c2c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.702444][ T29] 1 lock held by syz-executor788/5084: [ 287.708439][ T29] 1 lock held by syz-executor788/5085: [ 287.714425][ T29] #0: ffff88801d53c2c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.725734][ T29] 1 lock held by syz-executor788/5102: [ 287.731764][ T29] #0: ffff88801d53c2c8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.742669][ T29] [ 287.745035][ T29] ============================================= [ 287.745035][ T29] [ 287.758053][ T29] NMI backtrace for cpu 0 [ 287.762407][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 287.772234][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.782307][ T29] Call Trace: [ 287.785598][ T29] [ 287.788563][ T29] dump_stack_lvl+0x116/0x1f0 [ 287.793284][ T29] nmi_cpu_backtrace+0x27b/0x390 [ 287.798240][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.804259][ T29] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.810295][ T29] watchdog+0xf86/0x1240 [ 287.814592][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.819323][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.824587][ T29] ? __kthread_parkme+0x148/0x220 [ 287.829647][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.834354][ T29] kthread+0x2c1/0x3a0 [ 287.838459][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.843685][ T29] ? __pfx_kthread+0x10/0x10 [ 287.848309][ T29] ret_from_fork+0x45/0x80 [ 287.852739][ T29] ? __pfx_kthread+0x10/0x10 [ 287.857365][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.862176][ T29] [ 287.865329][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.870604][ C1] NMI backtrace for cpu 1 [ 287.870616][ C1] CPU: 1 PID: 5084 Comm: syz-executor788 Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 287.870646][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 287.870660][ C1] RIP: 0010:__bio_add_page+0x174/0x2d0 [ 287.870698][ C1] Code: c1 ea 03 80 3c 02 00 0f 85 65 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 e5 04 48 03 6b 78 48 89 ea 48 c1 ea 03 80 3c 02 00 <0f> 85 35 01 00 00 48 8d 7d 08 4c 89 6d 00 48 b8 00 00 00 00 00 fc [ 287.870720][ C1] RSP: 0018:ffffc9000321fbe0 EFLAGS: 00000246 [ 287.870738][ C1] RAX: dffffc0000000000 RBX: ffff888073a59640 RCX: ffffffff845d32d3 [ 287.870754][ C1] RDX: 1ffff1100e026660 RSI: ffffffff845d32e8 RDI: ffff888073a596b8 [ 287.870769][ C1] RBP: ffff888070133300 R08: 0000000000000004 R09: 0000000000000000 [ 287.870784][ C1] R10: 00000000ffffefff R11: 0000000000000001 R12: 0000000000001000 [ 287.870798][ C1] R13: ffffea00004a7880 R14: ffff888073a596b0 R15: ffff888073a59668 [ 287.870814][ C1] FS: 00005555603c6380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.870837][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.870853][ C1] CR2: 0000555580351680 CR3: 000000007a1ae000 CR4: 00000000003506f0 [ 287.870868][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.870882][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.870896][ C1] Call Trace: [ 287.870903][ C1] [ 287.870911][ C1] ? show_regs+0x8c/0xa0 [ 287.870932][ C1] ? nmi_cpu_backtrace+0x1d8/0x390 [ 287.870958][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.870992][ C1] ? nmi_handle+0x1a9/0x5c0 [ 287.871014][ C1] ? __bio_add_page+0x174/0x2d0 [ 287.871046][ C1] ? default_do_nmi+0x6a/0x160 [ 287.871075][ C1] ? exc_nmi+0x170/0x1e0 [ 287.871101][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.871128][ C1] ? __bio_add_page+0x123/0x2d0 [ 287.871160][ C1] ? __bio_add_page+0x138/0x2d0 [ 287.871191][ C1] ? __bio_add_page+0x174/0x2d0 [ 287.871222][ C1] ? __bio_add_page+0x174/0x2d0 [ 287.871254][ C1] ? __bio_add_page+0x174/0x2d0 [ 287.871286][ C1] [ 287.871293][ C1] [ 287.871301][ C1] bio_add_page+0x1ed/0x2b0 [ 287.871333][ C1] ? __pfx_bio_add_page+0x10/0x10 [ 287.871367][ C1] __blkdev_issue_zero_pages+0x24d/0x350 [ 287.871403][ C1] blkdev_issue_zeroout+0x3dc/0x440 [ 287.871437][ C1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 287.871474][ C1] ? __pfx_blkdev_issue_zeroout+0x10/0x10 [ 287.871511][ C1] blkdev_fallocate+0x349/0x450 [ 287.871544][ C1] ? __pfx_blkdev_fallocate+0x10/0x10 [ 287.871583][ C1] vfs_fallocate+0x4b8/0xf70 [ 287.871620][ C1] __x64_sys_fallocate+0xd5/0x140 [ 287.871644][ C1] do_syscall_64+0xcf/0x260 [ 287.871666][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.871706][ C1] RIP: 0033:0x7f41e8b60b29 [ 287.871735][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 287.871757][ C1] RSP: 002b:00007fffc9d8c208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.871777][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41e8b60b29 [ 287.871792][ C1] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.871806][ C1] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.871820][ C1] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 287.871834][ C1] R13: 00007fffc9d8c428 R14: 00007fffc9d8c230 R15: 00007fffc9d8c220 [ 287.871853][ C1] [ 287.871862][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.257 msecs [ 287.872604][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.235361][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 [ 288.245220][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 288.255312][ T29] Call Trace: [ 288.258603][ T29] [ 288.261547][ T29] dump_stack_lvl+0x3d/0x1f0 [ 288.266189][ T29] panic+0x6f5/0x7a0 [ 288.270121][ T29] ? __pfx_panic+0x10/0x10 [ 288.274576][ T29] ? __pfx__printk+0x10/0x10 [ 288.279202][ T29] ? irq_work_claim+0x76/0xa0 [ 288.283910][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.289925][ T29] ? irq_work_queue+0x2a/0x80 [ 288.294648][ T29] ? watchdog+0xd3d/0x1240 [ 288.299102][ T29] ? watchdog+0xd30/0x1240 [ 288.303576][ T29] watchdog+0xd4e/0x1240 [ 288.307856][ T29] ? __pfx_watchdog+0x10/0x10 [ 288.312584][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 288.317904][ T29] ? __kthread_parkme+0x148/0x220 [ 288.322978][ T29] ? __pfx_watchdog+0x10/0x10 [ 288.327697][ T29] kthread+0x2c1/0x3a0 [ 288.331815][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 288.337053][ T29] ? __pfx_kthread+0x10/0x10 [ 288.341684][ T29] ret_from_fork+0x45/0x80 [ 288.346124][ T29] ? __pfx_kthread+0x10/0x10 [ 288.350755][ T29] ret_from_fork_asm+0x1a/0x30 [ 288.355567][ T29] [ 288.358912][ T29] Kernel Offset: disabled [ 288.363245][ T29] Rebooting in 86400 seconds..