./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor585753365 <...> Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. execve("./syz-executor585753365", ["./syz-executor585753365"], 0x7ffcc93201a0 /* 10 vars */) = 0 brk(NULL) = 0x55558c4b6000 brk(0x55558c4b6d00) = 0x55558c4b6d00 arch_prctl(ARCH_SET_FS, 0x55558c4b6380) = 0 set_tid_address(0x55558c4b6650) = 5842 set_robust_list(0x55558c4b6660, 24) = 0 rseq(0x55558c4b6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor585753365", 4096) = 27 getrandom("\x44\xb3\x9d\xbf\x59\x08\x66\x9b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558c4b6d00 brk(0x55558c4d7d00) = 0x55558c4d7d00 brk(0x55558c4d8000) = 0x55558c4d8000 mprotect(0x7f5047953000, 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 5843 attached , child_tidptr=0x55558c4b6650) = 5843 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] set_robust_list(0x55558c4b6660, 24) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached [pid 5842] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5844 ./strace-static-x86_64: Process 5845 attached [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] set_robust_list(0x55558c4b6660, 24./strace-static-x86_64: Process 5846 attached [pid 5845] set_robust_list(0x55558c4b6660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5845 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5846] set_robust_list(0x55558c4b6660, 24 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5846 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5845] <... prctl resumed>) = 0 [pid 5845] setpgid(0, 0./strace-static-x86_64: Process 5847 attached ) = 0 [pid 5847] set_robust_list(0x55558c4b6660, 24./strace-static-x86_64: Process 5849 attached ./strace-static-x86_64: Process 5848 attached [pid 5842] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5849 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5848 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5847 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] <... openat resumed>) = 3 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] set_robust_list(0x55558c4b6660, 24 [pid 5848] set_robust_list(0x55558c4b6660, 24 [pid 5847] <... prctl resumed>) = 0 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] write(1, "executing program\n", 18 [pid 5849] <... set_robust_list resumed>) = 0 executing program ./strace-static-x86_64: Process 5850 attached [pid 5842] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5850 [pid 5849] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... set_robust_list resumed>) = 0 [pid 5847] setpgid(0, 0 [pid 5845] <... write resumed>) = 18 [pid 5850] set_robust_list(0x55558c4b6660, 24 [pid 5845] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] <... setpgid resumed>) = 0 [pid 5845] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5851 attached [pid 5850] <... set_robust_list resumed>) = 0 [pid 5850] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5851] set_robust_list(0x55558c4b6660, 24 [pid 5849] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5851 [pid 5848] <... prctl resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] dup(3 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5848] setpgid(0, 0 [pid 5847] <... openat resumed>) = 3 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] <... setpgid resumed>) = 0 [pid 5845] <... dup resumed>) = 4 [ 124.421125][ T29] audit: type=1400 audit(1731430047.949:88): avc: denied { execmem } for pid=5842 comm="syz-executor585" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807executing program executing program [pid 5851] <... prctl resumed>) = 0 [pid 5848] write(3, "1000", 4 [pid 5847] write(3, "1000", 4 [pid 5851] setpgid(0, 0 [pid 5848] <... write resumed>) = 4 [pid 5847] <... write resumed>) = 4 [pid 5851] <... setpgid resumed>) = 0 [pid 5848] close(3 [pid 5847] close(3 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5848] write(1, "executing program\n", 18 [pid 5847] write(1, "executing program\n", 18 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... write resumed>) = 18 [pid 5847] <... write resumed>) = 18 [pid 5851] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5847] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5851] write(3, "1000", 4 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = 3 [pid 5851] <... write resumed>) = 4 executing program [pid 5848] dup(3 [pid 5851] close(3) = 0 [pid 5847] dup(3) = 4 [pid 5848] <... dup resumed>) = 4 [pid 5851] write(1, "executing program\n", 18 [pid 5848] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5847] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5851] <... write resumed>) = 18 [pid 5851] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5851] dup(3) = 4 [pid 5851] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807./strace-static-x86_64: Process 5852 attached [pid 5850] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5852 [pid 5852] set_robust_list(0x55558c4b6660, 24) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 [pid 5852] write(1, "executing program\n", 18executing program ) = 18 [pid 5852] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5852] dup(3) = 4 [ 124.487403][ T29] audit: type=1400 audit(1731430048.019:89): avc: denied { read write } for pid=5845 comm="syz-executor585" name="nullb0" dev="devtmpfs" ino=696 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [ 124.510928][ T29] audit: type=1400 audit(1731430048.019:90): avc: denied { open } for pid=5845 comm="syz-executor585" path="/dev/nullb0" dev="devtmpfs" ino=696 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=blk_file permissive=1 [pid 5852] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5843] kill(-5845, SIGKILL) = 0 [pid 5846] kill(-5848, SIGKILL [pid 5843] kill(5845, SIGKILL [pid 5846] <... kill resumed>) = 0 [pid 5844] kill(-5847, SIGKILL [pid 5843] <... kill resumed>) = 0 [pid 5846] kill(5848, SIGKILL [pid 5844] <... kill resumed>) = 0 [pid 5846] <... kill resumed>) = 0 [pid 5844] kill(5847, SIGKILL) = 0 [pid 5849] kill(-5851, SIGKILL) = 0 [pid 5849] kill(5851, SIGKILL) = 0 [pid 5850] kill(-5852, SIGKILL) = 0 [pid 5850] kill(5852, SIGKILL) = 0 [pid 5843] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] <... openat resumed>) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", [pid 5843] newfstatat(3, "", [pid 5846] newfstatat(3, "", [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 5846] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [pid 5844] <... getdents64 resumed>0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5850] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5843] getdents64(3, 0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5844] close(3) = 0 [pid 5849] <... openat resumed>) = 3 [pid 5850] <... openat resumed>) = 3 [pid 5849] newfstatat(3, "", [pid 5850] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5849] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5850] getdents64(3, [pid 5849] getdents64(3, [pid 5850] <... getdents64 resumed>0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5849] <... getdents64 resumed>0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5850] getdents64(3, [pid 5849] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5849] close(3) = 0 [pid 5850] <... getdents64 resumed>0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5850] close(3) = 0 [pid 5845] <... fallocate resumed>) = ? [pid 5845] +++ killed by SIGKILL +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5845, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4486 /* 44.86 s */} --- [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached [pid 5853] set_robust_list(0x55558c4b6660, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558c4b6650) = 5853 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 executing program [pid 5853] write(1, "executing program\n", 18) = 18 [pid 5853] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5853] dup(3) = 4 [pid 5853] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5843] kill(-5853, SIGKILL) = 0 [pid 5843] kill(5853, SIGKILL) = 0 [pid 5843] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5847] <... fallocate resumed>) = ? [pid 5847] +++ killed by SIGKILL +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5847, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=4551 /* 45.51 s */} --- [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached , child_tidptr=0x55558c4b6650) = 5860 [pid 5860] set_robust_list(0x55558c4b6660, 24) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 [pid 5860] write(1, "executing program\n", 18executing program ) = 18 [pid 5860] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5860] dup(3) = 4 [pid 5860] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5844] kill(-5860, SIGKILL) = 0 [pid 5844] kill(5860, SIGKILL) = 0 [pid 5844] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558c4b76f0 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(3, 0x55558c4b76f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [ 286.144593][ T30] INFO: task syz-executor585:5851 blocked for more than 143 seconds. [ 286.154955][ T30] Not tainted 6.12.0-rc7-syzkaller #0 [ 286.160865][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.170169][ T30] task:syz-executor585 state:D stack:28384 pid:5851 tgid:5851 ppid:5849 flags:0x00004006 [ 286.181001][ T30] Call Trace: [ 286.185068][ T30] [ 286.188615][ T30] __schedule+0xe55/0x5740 [ 286.193714][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 286.198921][ T30] ? mark_lock+0xb5/0xc60 [ 286.203504][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 286.209955][ T30] ? __pfx___schedule+0x10/0x10 [ 286.215452][ T30] ? schedule+0x298/0x350 [ 286.219834][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.225544][ T30] ? trace_lock_acquire+0x14a/0x1d0 [ 286.231381][ T30] ? lock_acquire+0x2f/0xb0 [ 286.238057][ T30] ? schedule+0x1fd/0x350 [ 286.243278][ T30] schedule+0xe7/0x350 [ 286.247447][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.252984][ T30] rwsem_down_write_slowpath+0x539/0x12a0 [ 286.259320][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.271246][ T30] ? rcu_is_watching+0x12/0xc0 [ 286.280103][ T30] ? lock_acquire+0x2f/0xb0 [ 286.285229][ T30] ? blkdev_fallocate+0x1da/0x390 [ 286.290775][ T30] down_write+0x1d8/0x200 [ 286.295733][ T30] ? __pfx_down_write+0x10/0x10 [ 286.301130][ T30] ? inode_security+0x101/0x130 [ 286.306543][ T30] blkdev_fallocate+0x1da/0x390 [ 286.311967][ T30] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.317917][ T30] vfs_fallocate+0x459/0xf90 [ 286.323718][ T30] __x64_sys_fallocate+0xd9/0x150 [ 286.328756][ T30] do_syscall_64+0xcd/0x250 [ 286.341948][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.348418][ T30] RIP: 0033:0x7f50478e0b29 [ 286.353412][ T30] RSP: 002b:00007fff0769fb38 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.362376][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50478e0b29 [ 286.370944][ T30] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.379517][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.388262][ T30] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.396820][ T30] R13: 00007fff0769fd58 R14: 00007fff0769fb60 R15: 00007fff0769fb50 [ 286.410085][ T30] [ 286.418080][ T30] INFO: task syz-executor585:5852 blocked for more than 143 seconds. [ 286.427815][ T30] Not tainted 6.12.0-rc7-syzkaller #0 [ 286.434498][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.444126][ T30] task:syz-executor585 state:D stack:28272 pid:5852 tgid:5852 ppid:5850 flags:0x00004006 [ 286.455040][ T30] Call Trace: [ 286.458941][ T30] [ 286.462527][ T30] __schedule+0xe55/0x5740 [ 286.467003][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 286.472207][ T30] ? mark_lock+0xb5/0xc60 [ 286.477295][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 286.524141][ T30] ? __pfx___schedule+0x10/0x10 [ 286.529770][ T30] ? schedule+0x298/0x350 [ 286.541129][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.553027][ T30] ? trace_lock_acquire+0x14a/0x1d0 [ 286.558270][ T30] ? lock_acquire+0x2f/0xb0 [ 286.572701][ T30] ? schedule+0x1fd/0x350 [ 286.577752][ T30] schedule+0xe7/0x350 [ 286.582391][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.588839][ T30] rwsem_down_write_slowpath+0x539/0x12a0 [ 286.595246][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.602034][ T30] ? rcu_is_watching+0x12/0xc0 [ 286.616633][ T30] ? lock_acquire+0x2f/0xb0 [ 286.621163][ T30] ? blkdev_fallocate+0x1da/0x390 [ 286.635203][ T30] down_write+0x1d8/0x200 [ 286.639562][ T30] ? __pfx_down_write+0x10/0x10 [ 286.647982][ T30] ? inode_security+0x101/0x130 [ 286.653459][ T30] blkdev_fallocate+0x1da/0x390 [ 286.658877][ T30] ? __pfx_blkdev_fallocate+0x10/0x10 [ 286.664928][ T30] vfs_fallocate+0x459/0xf90 [ 286.670101][ T30] __x64_sys_fallocate+0xd9/0x150 [ 286.675721][ T30] do_syscall_64+0xcd/0x250 [ 286.680764][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.687257][ T30] RIP: 0033:0x7f50478e0b29 [ 286.692944][ T30] RSP: 002b:00007fff0769fb38 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.710687][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50478e0b29 [ 286.728095][ T30] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.736809][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.745542][ T30] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.754245][ T30] R13: 00007fff0769fd58 R14: 00007fff0769fb60 R15: 00007fff0769fb50 [ 286.762954][ T30] [ 286.766782][ T30] [ 286.766782][ T30] Showing all locks held in the system: [ 286.778466][ T30] 1 lock held by ksoftirqd/0/16: [ 286.783486][ T30] 1 lock held by khungtaskd/30: [ 286.788335][ T30] #0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 [ 286.828323][ T30] 1 lock held by klogd/5190: [ 286.833669][ T30] 2 locks held by getty/5582: [ 286.838995][ T30] #0: ffff888036fb10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 286.849451][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 [ 286.860238][ T30] 1 lock held by syz-executor585/5848: [ 286.866376][ T30] 1 lock held by syz-executor585/5851: [ 286.872470][ T30] #0: ffff888148c614c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1da/0x390 [ 286.883797][ T30] 1 lock held by syz-executor585/5852: [ 286.889994][ T30] #0: ffff888148c614c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1da/0x390 [ 286.901408][ T30] 1 lock held by syz-executor585/5853: [ 286.910130][ T30] #0: ffff888148c614c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1da/0x390 [ 286.921493][ T30] 1 lock held by syz-executor585/5860: [ 286.927746][ T30] #0: ffff888148c614c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1da/0x390 [ 286.941797][ T30] [ 286.944237][ T30] ============================================= [ 286.944237][ T30] [ 286.953358][ T30] NMI backtrace for cpu 1 [ 286.957688][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller #0 [ 286.966450][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 286.976511][ T30] Call Trace: [ 286.979790][ T30] [ 286.982721][ T30] dump_stack_lvl+0x116/0x1f0 [ 286.987410][ T30] nmi_cpu_backtrace+0x27b/0x390 [ 286.992356][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.998349][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.004342][ T30] watchdog+0xf0c/0x1240 [ 287.008591][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.013267][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.018479][ T30] ? __kthread_parkme+0x148/0x220 [ 287.023514][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.028195][ T30] kthread+0x2c1/0x3a0 [ 287.032269][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.037474][ T30] ? __pfx_kthread+0x10/0x10 [ 287.042072][ T30] ret_from_fork+0x45/0x80 [ 287.046492][ T30] ? __pfx_kthread+0x10/0x10 [ 287.051092][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.055883][ T30] [ 287.059133][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.064492][ C0] NMI backtrace for cpu 0 [ 287.064503][ C0] CPU: 0 UID: 0 PID: 5190 Comm: klogd Not tainted 6.12.0-rc7-syzkaller #0 [ 287.064518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 287.064525][ C0] RIP: 0010:free_pcppages_bulk+0x32f/0x620 [ 287.064544][ C0] Code: 00 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 88 59 5f 90 e8 df 8e 0d 00 48 0f a3 1d bf d1 7d 0e 0f 83 5c fe ff ff 0c fa 91 ff 84 c0 0f 85 4f fe ff ff 80 3d ac 89 66 0e 00 0f 85 [ 287.064556][ C0] RSP: 0018:ffffc900042d7660 EFLAGS: 00000047 [ 287.064568][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81e187c1 [ 287.064576][ C0] RDX: fffffbfff20beb32 RSI: 0000000000000008 RDI: ffffffff905f5988 [ 287.064584][ C0] RBP: ffffea00010e1780 R08: 0000000000000000 R09: fffffbfff20beb31 [ 287.064593][ C0] R10: ffffffff905f598f R11: dffffc0000000000 R12: ffffea00010e1788 [ 287.064601][ C0] R13: 00000000000001f0 R14: ffff8880b8644ec0 R15: dffffc0000000000 [ 287.064610][ C0] FS: 00007f4ec9e94500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.064624][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.064633][ C0] CR2: 000055e5c730e018 CR3: 0000000034ffa000 CR4: 00000000003526f0 [ 287.064641][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.064649][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.064657][ C0] Call Trace: [ 287.064661][ C0] [ 287.064665][ C0] ? nmi_cpu_backtrace+0x1d8/0x390 [ 287.064683][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.064702][ C0] ? nmi_handle+0x1a9/0x5c0 [ 287.064715][ C0] ? free_pcppages_bulk+0x32f/0x620 [ 287.064728][ C0] ? default_do_nmi+0x6a/0x160 [ 287.064744][ C0] ? exc_nmi+0x170/0x1e0 [ 287.064759][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.064772][ C0] ? free_pcppages_bulk+0x321/0x620 [ 287.064785][ C0] ? free_pcppages_bulk+0x32f/0x620 [ 287.064798][ C0] ? free_pcppages_bulk+0x32f/0x620 [ 287.064811][ C0] ? free_pcppages_bulk+0x32f/0x620 [ 287.064824][ C0] [ 287.064828][ C0] [ 287.064834][ C0] ? trace_lock_acquire+0x14a/0x1d0 [ 287.064851][ C0] free_unref_page_commit+0x515/0xfe0 [ 287.064867][ C0] free_unref_page+0x60f/0xdc0 [ 287.064882][ C0] __put_partials+0x14c/0x170 [ 287.064897][ C0] qlist_free_all+0x4e/0x120 [ 287.064910][ C0] kasan_quarantine_reduce+0x192/0x1e0 [ 287.064928][ C0] __kasan_slab_alloc+0x69/0x90 [ 287.064943][ C0] kmem_cache_alloc_node_noprof+0x153/0x310 [ 287.064958][ C0] ? __alloc_skb+0x2b1/0x380 [ 287.064972][ C0] __alloc_skb+0x2b1/0x380 [ 287.064985][ C0] ? __pfx___alloc_skb+0x10/0x10 [ 287.064997][ C0] ? hlock_class+0x4e/0x130 [ 287.065011][ C0] ? __lock_acquire+0x1560/0x3ce0 [ 287.065025][ C0] alloc_skb_with_frags+0xe4/0x850 [ 287.065043][ C0] sock_alloc_send_pskb+0x7f1/0x980 [ 287.065059][ C0] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 287.065071][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.065082][ C0] ? do_raw_spin_lock+0x12d/0x2c0 [ 287.065096][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 287.065110][ C0] ? lock_acquire+0x2f/0xb0 [ 287.065120][ C0] ? unix_dgram_sendmsg+0x928/0x19e0 [ 287.065141][ C0] unix_dgram_sendmsg+0x4b8/0x19e0 [ 287.065159][ C0] ? __pfx_tomoyo_socket_sendmsg_permission+0x10/0x10 [ 287.065177][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.065198][ C0] __sys_sendto+0x479/0x4d0 [ 287.065211][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 287.065223][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.065233][ C0] ? trace_lock_acquire+0x14a/0x1d0 [ 287.065252][ C0] ? rcu_is_watching+0x12/0xc0 [ 287.065269][ C0] ? xfd_validate_state+0x5d/0x180 [ 287.065282][ C0] ? rcu_is_watching+0x12/0xc0 [ 287.065297][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 287.065310][ C0] ? do_syscall_64+0x91/0x250 [ 287.065321][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.065339][ C0] do_syscall_64+0xcd/0x250 [ 287.065351][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.065369][ C0] RIP: 0033:0x7f4ec9ff69b5 [ 287.065378][ 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 [ 287.065389][ C0] RSP: 002b:00007fff32414f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.065401][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ec9ff69b5 [ 287.065409][ C0] RDX: 000000000000003d RSI: 000055e5c730c050 RDI: 0000000000000003 [ 287.065417][ C0] RBP: 000055e5c73062c0 R08: 0000000000000000 R09: 0000000000000000 [ 287.065425][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.065432][ C0] R13: 00007f4eca184212 R14: 00007fff32415068 R15: 0000000000000000 [ 287.065444][ C0] [ 287.131507][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.131521][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc7-syzkaller #0 [ 287.131538][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 287.131548][ T30] Call Trace: [ 287.131553][ T30] [ 287.131559][ T30] dump_stack_lvl+0x3d/0x1f0 [ 287.131579][ T30] panic+0x71d/0x800 [ 287.131600][ T30] ? __pfx_panic+0x10/0x10 [ 287.131620][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.131638][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.131659][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.131675][ T30] ? watchdog+0xd76/0x1240 [ 287.131689][ T30] ? watchdog+0xd69/0x1240 [ 287.131704][ T30] watchdog+0xd87/0x1240 [ 287.131721][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.131734][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.131757][ T30] ? __kthread_parkme+0x148/0x220 [ 287.131777][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.131790][ T30] kthread+0x2c1/0x3a0 [ 287.131806][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.131826][ T30] ? __pfx_kthread+0x10/0x10 [ 287.131843][ T30] ret_from_fork+0x45/0x80 [ 287.131857][ T30] ? __pfx_kthread+0x10/0x10 [ 287.131874][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.131902][ T30] [ 287.645228][ T30] Kernel Offset: disabled [ 287.649528][ T30] Rebooting in 86400 seconds..