./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2571594072 <...> Warning: Permanently added '10.128.0.40' (ED25519) to the list of known hosts. execve("./syz-executor2571594072", ["./syz-executor2571594072"], 0x7ffc53253000 /* 10 vars */) = 0 brk(NULL) = 0x55556ab95000 brk(0x55556ab95d00) = 0x55556ab95d00 arch_prctl(ARCH_SET_FS, 0x55556ab95380) = 0 set_tid_address(0x55556ab95650) = 5818 set_robust_list(0x55556ab95660, 24) = 0 rseq(0x55556ab95ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2571594072", 4096) = 28 getrandom("\x10\x53\x90\xf4\x8b\xd9\xa5\x3f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ab95d00 brk(0x55556abb6d00) = 0x55556abb6d00 brk(0x55556abb7000) = 0x55556abb7000 mprotect(0x7f127a569000, 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 5819 attached [pid 5819] set_robust_list(0x55556ab95660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x55556ab95650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5820 attached [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... clone resumed>, child_tidptr=0x55556ab95650) = 5820 [pid 5820] set_robust_list(0x55556ab95660, 24) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5821 attached [pid 5818] <... clone resumed>, child_tidptr=0x55556ab95650) = 5821 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] set_robust_list(0x55556ab95660, 24 [pid 5820] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5822 attached [pid 5821] <... set_robust_list resumed>) = 0 [pid 5822] set_robust_list(0x55556ab95660, 24 [pid 5821] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] write(3, "1000", 4 [pid 5818] <... clone resumed>, child_tidptr=0x55556ab95650) = 5822 [pid 5820] <... write resumed>) = 4 [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5822] <... set_robust_list resumed>) = 0 [pid 5820] close(3./strace-static-x86_64: Process 5823 attached [pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] <... close resumed>) = 0 ./strace-static-x86_64: Process 5824 attached [pid 5824] set_robust_list(0x55556ab95660, 24 [pid 5823] set_robust_list(0x55556ab95660, 24 [pid 5821] <... clone resumed>, child_tidptr=0x55556ab95650) = 5823 executing program [pid 5820] write(1, "executing program\n", 18./strace-static-x86_64: Process 5825 attached [pid 5818] <... clone resumed>, child_tidptr=0x55556ab95650) = 5824 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5820] <... write resumed>) = 18 [pid 5825] set_robust_list(0x55556ab95660, 24 [pid 5824] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] <... clone resumed>, child_tidptr=0x55556ab95650) = 5825 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5823] <... prctl resumed>) = 0 [pid 5820] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5818] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] setpgid(0, 0 [pid 5820] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5827 attached ./strace-static-x86_64: Process 5826 attached [pid 5825] <... prctl resumed>) = 0 [pid 5823] <... setpgid resumed>) = 0 [pid 5818] <... clone resumed>, child_tidptr=0x55556ab95650) = 5826 [pid 5827] set_robust_list(0x55556ab95660, 24 [pid 5826] set_robust_list(0x55556ab95660, 24 [pid 5825] setpgid(0, 0 [pid 5824] <... clone resumed>, child_tidptr=0x55556ab95650) = 5827 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] dup(3 [pid 5825] <... setpgid resumed>) = 0 [pid 5823] <... openat resumed>) = 3 [pid 5820] <... dup resumed>) = 4 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] write(3, "1000", 4 [pid 5820] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] <... openat resumed>) = 3 [pid 5823] <... write resumed>) = 4 ./strace-static-x86_64: Process 5828 attached [pid 5827] <... prctl resumed>) = 0 executing program [pid 5828] set_robust_list(0x55556ab95660, 24 [pid 5827] setpgid(0, 0 [pid 5825] write(3, "1000", 4 [pid 5823] close(3 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5825] <... write resumed>) = 4 [pid 5823] <... close resumed>) = 0 [pid 5825] close(3 [pid 5823] write(1, "executing program\n", 18 [pid 5825] <... close resumed>) = 0 [pid 5823] <... write resumed>) = 18 [pid 5825] write(1, "executing program\n", 18executing program [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... clone resumed>, child_tidptr=0x55556ab95650) = 5828 [pid 5825] <... write resumed>) = 18 [pid 5823] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5828] <... prctl resumed>) = 0 [pid 5827] <... setpgid resumed>) = 0 [pid 5825] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5823] <... openat resumed>) = 3 [pid 5828] setpgid(0, 0) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5823] dup(3 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5825] dup(3 [pid 5823] <... dup resumed>) = 4 [pid 5823] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5828] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = 3 [pid 5825] <... dup resumed>) = 4 [pid 5827] write(3, "1000", 4 [pid 5828] write(3, "1000", 4 [pid 5827] <... write resumed>) = 4 [pid 5825] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5827] close(3) = 0 [pid 5827] write(1, "executing program\n", 18executing program ) = 18 [pid 5827] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5828] <... write resumed>) = 4 [pid 5828] close(3 [pid 5827] <... openat resumed>) = 3 [pid 5827] dup(3) = 4 [pid 5827] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5828] <... close resumed>) = 0 executing program [pid 5828] write(1, "executing program\n", 18) = 18 [pid 5828] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5828] dup(3) = 4 [pid 5828] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5819] kill(-5820, SIGKILL) = 0 [pid 5819] kill(5820, SIGKILL) = 0 [pid 5822] kill(-5825, SIGKILL) = 0 [pid 5821] kill(-5823, SIGKILL) = 0 [pid 5821] kill(5823, SIGKILL [pid 5822] kill(5825, SIGKILL) = 0 [pid 5821] <... kill resumed>) = 0 [pid 5824] kill(-5827, SIGKILL) = 0 [pid 5824] kill(5827, SIGKILL) = 0 [pid 5826] kill(-5828, SIGKILL) = 0 [pid 5826] kill(5828, SIGKILL) = 0 [pid 5822] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5822] <... openat resumed>) = 3 [pid 5821] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] <... openat resumed>) = 3 [pid 5819] newfstatat(3, "", [pid 5822] newfstatat(3, "", [pid 5821] <... openat resumed>) = 3 [pid 5819] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5821] newfstatat(3, "", [pid 5819] getdents64(3, [pid 5821] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5822] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5822] getdents64(3, [pid 5821] getdents64(3, [pid 5819] <... getdents64 resumed>0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5824] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5821] <... getdents64 resumed>0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5819] getdents64(3, [pid 5822] <... getdents64 resumed>0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5822] getdents64(3, 0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5822] close(3 [pid 5821] getdents64(3, [pid 5819] <... getdents64 resumed>0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5822] <... close resumed>) = 0 [pid 5824] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5821] <... getdents64 resumed>0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5819] close(3 [pid 5821] close(3) = 0 [pid 5819] <... close resumed>) = 0 [pid 5824] getdents64(3, 0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5824] getdents64(3, 0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5824] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5826] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5826] getdents64(3, 0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5826] getdents64(3, 0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5826] close(3) = 0 [ 81.854020][ T1210] cfg80211: failed to load regulatory.db [pid 5820] <... fallocate resumed>) = ? [pid 5820] +++ killed by SIGKILL +++ [pid 5819] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5820, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=9962 /* 99.62 s */} --- [pid 5819] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x55556ab95650) = 5848 [pid 5848] set_robust_list(0x55556ab95660, 24) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1000", 4) = 4 [pid 5848] close(3) = 0 executing program [pid 5848] write(1, "executing program\n", 18) = 18 [pid 5848] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5848] dup(3) = 4 [pid 5848] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 8796109807616 [pid 5819] kill(-5848, SIGKILL) = 0 [pid 5819] kill(5848, SIGKILL) = 0 [pid 5819] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5819] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5819] getdents64(3, 0x55556ab966f0 /* 2 entries */, 32768) = 48 [pid 5819] getdents64(3, 0x55556ab966f0 /* 0 entries */, 32768) = 0 [pid 5819] close(3) = 0 [ 286.637111][ T30] INFO: task syz-executor257:5825 blocked for more than 143 seconds. [ 286.646078][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 286.653752][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.663605][ T30] task:syz-executor257 state:D stack:26784 pid:5825 tgid:5825 ppid:5822 flags:0x00004006 [ 286.674858][ T30] Call Trace: [ 286.678945][ T30] [ 286.681914][ T30] __schedule+0x17fb/0x4be0 [ 286.687490][ T30] ? __pfx___schedule+0x10/0x10 [ 286.692382][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.698506][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.705291][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.711651][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.717744][ T30] ? schedule+0x90/0x320 [ 286.722023][ T30] schedule+0x14b/0x320 [ 286.727023][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.732521][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 286.738406][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 286.744351][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.750572][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.756144][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.762166][ T30] down_write+0x1d7/0x220 [ 286.767461][ T30] ? __pfx_down_write+0x10/0x10 [ 286.773187][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.779384][ T30] blkdev_fallocate+0x20e/0x490 [ 286.785098][ T30] vfs_fallocate+0x569/0x6e0 [ 286.789728][ T30] __x64_sys_fallocate+0xbc/0x110 [ 286.794883][ T30] do_syscall_64+0xf3/0x230 [ 286.800320][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.805923][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.812767][ T30] RIP: 0033:0x7f127a4f6b29 [ 286.818187][ T30] RSP: 002b:00007ffee5382888 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.826685][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f127a4f6b29 [ 286.834780][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.842778][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.851617][ T30] R10: 0000080001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.860506][ T30] R13: 00007ffee5382aa8 R14: 00007ffee53828b0 R15: 00007ffee53828a0 [ 286.869799][ T30] [ 286.872914][ T30] INFO: task syz-executor257:5827 blocked for more than 143 seconds. [ 286.891805][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 286.904098][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.933235][ T30] task:syz-executor257 state:D stack:25592 pid:5827 tgid:5827 ppid:5824 flags:0x00004006 [ 286.944869][ T30] Call Trace: [ 286.949960][ T30] [ 286.954625][ T30] __schedule+0x17fb/0x4be0 [ 286.960525][ T30] ? __pfx___schedule+0x10/0x10 [ 286.967175][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.973956][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.981452][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.999947][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 287.013721][ T30] ? schedule+0x90/0x320 [ 287.018067][ T30] schedule+0x14b/0x320 [ 287.022252][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.027786][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 287.033535][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 287.044970][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 287.051185][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.057710][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.063747][ T30] down_write+0x1d7/0x220 [ 287.068162][ T30] ? __pfx_down_write+0x10/0x10 [ 287.073041][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.078319][ T30] blkdev_fallocate+0x20e/0x490 [ 287.083206][ T30] vfs_fallocate+0x569/0x6e0 [ 287.087866][ T30] __x64_sys_fallocate+0xbc/0x110 [ 287.100464][ T30] do_syscall_64+0xf3/0x230 [ 287.111928][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.120760][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.126763][ T30] RIP: 0033:0x7f127a4f6b29 [ 287.131198][ T30] RSP: 002b:00007ffee5382888 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.139834][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f127a4f6b29 [ 287.148741][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.157866][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.166802][ T30] R10: 0000080001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.175794][ T30] R13: 00007ffee5382aa8 R14: 00007ffee53828b0 R15: 00007ffee53828a0 [ 287.184767][ T30] [ 287.187835][ T30] INFO: task syz-executor257:5828 blocked for more than 143 seconds. [ 287.209763][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.239038][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.265538][ T30] task:syz-executor257 state:D stack:25680 pid:5828 tgid:5828 ppid:5826 flags:0x00004006 [ 287.277572][ T30] Call Trace: [ 287.282534][ T30] [ 287.286935][ T30] __schedule+0x17fb/0x4be0 [ 287.292237][ T30] ? __pfx___schedule+0x10/0x10 [ 287.298154][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.305007][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.311777][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.319308][ T30] ? _raw_spin_lock_irq+0xdf/0x120 [ 287.333782][ T30] ? schedule+0x90/0x320 [ 287.343691][ T30] schedule+0x14b/0x320 [ 287.353162][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.368134][ T30] rwsem_down_write_slowpath+0xeee/0x13b0 [ 287.377016][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0 [ 287.392509][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 287.405060][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.410155][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.416282][ T30] down_write+0x1d7/0x220 [ 287.420794][ T30] ? __pfx_down_write+0x10/0x10 [ 287.426235][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.431492][ T30] blkdev_fallocate+0x20e/0x490 [ 287.437512][ T30] vfs_fallocate+0x569/0x6e0 [ 287.443234][ T30] __x64_sys_fallocate+0xbc/0x110 [ 287.449526][ T30] do_syscall_64+0xf3/0x230 [ 287.455160][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.460825][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.467723][ T30] RIP: 0033:0x7f127a4f6b29 [ 287.473024][ T30] RSP: 002b:00007ffee5382888 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.481672][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f127a4f6b29 [ 287.489822][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.497922][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.507090][ T30] R10: 0000080001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.516066][ T30] R13: 00007ffee5382aa8 R14: 00007ffee53828b0 R15: 00007ffee53828a0 [ 287.526024][ T30] [ 287.530716][ T30] [ 287.530716][ T30] Showing all locks held in the system: [ 287.565042][ T30] 1 lock held by khungtaskd/30: [ 287.574234][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.631172][ T30] 1 lock held by klogd/5183: [ 287.644536][ T30] 2 locks held by getty/5571: [ 287.649258][ T30] #0: ffff88803174f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.681854][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.692097][ T30] 1 lock held by syz-executor257/5823: [ 287.697658][ T30] 1 lock held by syz-executor257/5825: [ 287.703141][ T30] #0: ffff888148c92040 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 287.713888][ T30] 1 lock held by syz-executor257/5827: [ 287.720175][ T30] #0: ffff888148c92040 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 287.731696][ T30] 1 lock held by syz-executor257/5828: [ 287.737202][ T30] #0: ffff888148c92040 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 287.747930][ T30] 1 lock held by syz-executor257/5848: [ 287.753401][ T30] #0: ffff888148c92040 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 [ 287.764161][ T30] [ 287.767340][ T30] ============================================= [ 287.767340][ T30] [ 287.776516][ T30] NMI backtrace for cpu 1 [ 287.780874][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.791388][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.801443][ T30] Call Trace: [ 287.804723][ T30] [ 287.807655][ T30] dump_stack_lvl+0x241/0x360 [ 287.812346][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.817545][ T30] ? __pfx__printk+0x10/0x10 [ 287.822148][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.827094][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.832553][ T30] ? _printk+0xd5/0x120 [ 287.836706][ T30] ? __pfx__printk+0x10/0x10 [ 287.841292][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.846145][ T30] ? __pfx__printk+0x10/0x10 [ 287.850731][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.855754][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.861732][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.867709][ T30] watchdog+0xff6/0x1040 [ 287.871949][ T30] ? watchdog+0x1ea/0x1040 [ 287.876364][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.881036][ T30] kthread+0x2f0/0x390 [ 287.885101][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.889773][ T30] ? __pfx_kthread+0x10/0x10 [ 287.894359][ T30] ret_from_fork+0x4b/0x80 [ 287.898779][ T30] ? __pfx_kthread+0x10/0x10 [ 287.903370][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.908144][ T30] [ 287.911248][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.916514][ C0] NMI backtrace for cpu 0 [ 287.916528][ C0] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.916547][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.916557][ C0] RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x10/0x18 [ 287.916586][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <75> 06 5a c3 cc cc cc cc 56 0f b6 f0 e8 9f ff ff ff 5e 5a c3 cc cc [ 287.916600][ C0] RSP: 0018:ffffc90000157710 EFLAGS: 00000046 [ 287.916615][ C0] RAX: 0000000000000001 RBX: 1ffffffff34ad396 RCX: 0000000000000000 [ 287.916626][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9a569ca8 [ 287.916637][ C0] RBP: dffffc0000000000 R08: ffffffff9a569cab R09: 1ffffffff34ad395 [ 287.916649][ C0] R10: dffffc0000000000 R11: fffffbfff34ad396 R12: 1ffffffff34ad397 [ 287.916662][ C0] R13: ffffffff9a569cb8 R14: ffffffff9a569cb0 R15: ffffffff9a569ca8 [ 287.916675][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.916688][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.916700][ C0] CR2: 0000560a3a109600 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.916714][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.916724][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.916735][ C0] Call Trace: [ 287.916740][ C0] [ 287.916747][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.916767][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.916786][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.916804][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.916828][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.916851][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.916868][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.916886][ C0] ? __raw_callee_save___pv_queued_spin_unlock+0x10/0x18 [ 287.916914][ C0] ? default_do_nmi+0x63/0x160 [ 287.916932][ C0] ? exc_nmi+0x123/0x1f0 [ 287.916948][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.916968][ C0] ? __raw_callee_save___pv_queued_spin_unlock+0x10/0x18 [ 287.916991][ C0] ? __raw_callee_save___pv_queued_spin_unlock+0x10/0x18 [ 287.917015][ C0] ? __raw_callee_save___pv_queued_spin_unlock+0x10/0x18 [ 287.917038][ C0] [ 287.917044][ C0] [ 287.917049][ C0] do_raw_spin_unlock+0x13c/0x8b0 [ 287.917076][ C0] _raw_spin_unlock_irqrestore+0x81/0x140 [ 287.917096][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 287.917117][ C0] ? __lock_acquire+0x1397/0x2100 [ 287.917136][ C0] debug_check_no_obj_freed+0x561/0x580 [ 287.917167][ C0] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 287.917193][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.917209][ C0] ? debug_object_deactivate+0x2d5/0x390 [ 287.917232][ C0] ? slab_free_after_rcu_debug+0x62/0x280 [ 287.917254][ C0] ? slab_free_after_rcu_debug+0x62/0x280 [ 287.917275][ C0] kfree+0x115/0x430 [ 287.917300][ C0] slab_free_after_rcu_debug+0x62/0x280 [ 287.917320][ C0] ? rcu_core+0xa37/0x17a0 [ 287.917339][ C0] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 287.917360][ C0] rcu_core+0xaaa/0x17a0 [ 287.917384][ C0] ? __pfx_rcu_core+0x10/0x10 [ 287.917404][ C0] ? rcu_qs+0xf1/0x190 [ 287.917423][ C0] ? __pfx_rcu_qs+0x10/0x10 [ 287.917440][ C0] ? sched_clock_cpu+0x76/0x490 [ 287.917464][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.917482][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.917503][ C0] handle_softirqs+0x2d4/0x9b0 [ 287.917529][ C0] ? run_ksoftirqd+0xca/0x130 [ 287.917545][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 287.917571][ C0] run_ksoftirqd+0xca/0x130 [ 287.917585][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 287.917604][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 287.917618][ C0] smpboot_thread_fn+0x544/0xa30 [ 287.917642][ C0] ? smpboot_thread_fn+0x4e/0xa30 [ 287.917667][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 287.917690][ C0] kthread+0x2f0/0x390 [ 287.917707][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 287.917730][ C0] ? __pfx_kthread+0x10/0x10 [ 287.917747][ C0] ret_from_fork+0x4b/0x80 [ 287.917761][ C0] ? __pfx_kthread+0x10/0x10 [ 287.917778][ C0] ret_from_fork_asm+0x1a/0x30 [ 287.917807][ C0] [ 287.917814][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.300 msecs [ 287.919309][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.346296][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 288.356791][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 288.366848][ T30] Call Trace: [ 288.370123][ T30] [ 288.373046][ T30] dump_stack_lvl+0x241/0x360 [ 288.377727][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.382921][ T30] ? __pfx__printk+0x10/0x10 [ 288.387508][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.393489][ T30] ? vscnprintf+0x5d/0x90 [ 288.397820][ T30] panic+0x349/0x880 [ 288.401712][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.408035][ T30] ? __pfx_panic+0x10/0x10 [ 288.412446][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.417820][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.423365][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.428736][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.434886][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.441035][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.447192][ T30] watchdog+0x1035/0x1040 [ 288.451520][ T30] ? watchdog+0x1ea/0x1040 [ 288.455935][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.460606][ T30] kthread+0x2f0/0x390 [ 288.464672][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.469347][ T30] ? __pfx_kthread+0x10/0x10 [ 288.473931][ T30] ret_from_fork+0x4b/0x80 [ 288.478368][ T30] ? __pfx_kthread+0x10/0x10 [ 288.482961][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.487731][ T30] [ 288.490992][ T30] Kernel Offset: disabled [ 288.495306][ T30] Rebooting in 86400 seconds..