./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2184196059 <...> Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("./syz-executor2184196059", ["./syz-executor2184196059"], 0x7ffe5a7efbb0 /* 10 vars */) = 0 brk(NULL) = 0x55557ca31000 brk(0x55557ca31d00) = 0x55557ca31d00 arch_prctl(ARCH_SET_FS, 0x55557ca31380) = 0 set_tid_address(0x55557ca31650) = 5833 set_robust_list(0x55557ca31660, 24) = 0 rseq(0x55557ca31ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2184196059", 4096) = 28 getrandom("\x28\x5c\x7c\xff\x7a\xd4\x8f\xd6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ca31d00 brk(0x55557ca52d00) = 0x55557ca52d00 brk(0x55557ca53000) = 0x55557ca53000 mprotect(0x7fd09dc3f000, 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 5834 attached [pid 5834] set_robust_list(0x55557ca31660, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55557ca31650) = 5834 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "10000000000", 11) = 11 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "20", 2) = 2 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "100", 3) = 3 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "7 4 1 3", 7) = 7 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "0", 1) = 1 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "5834", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] kill(5834, SIGKILL) = 0 [pid 5834] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5834, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5835] set_robust_list(0x55557ca31660, 24 [pid 5833] <... clone resumed>, child_tidptr=0x55557ca31650) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1000", 4) = 4 [pid 5835] close(3) = 0 executing program [pid 5835] write(1, "executing program\n", 18) = 18 [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd095600000 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5835] munmap(0x7fd095600000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5835] close(3) = 0 [pid 5835] close(4) = 0 [pid 5835] mkdir("./file2", 0777) = 0 [ 95.399183][ T5835] loop0: detected capacity change from 0 to 32768 [ 95.436694][ T5835] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be [ 95.484733][ T5835] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none [ 95.499657][ T5835] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 95.507941][ T5835] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1 [ 95.507941][ T5835] rw journal devs: [ 95.534553][ T5835] bcachefs (loop0): accounting_read... done [ 95.541880][ T5835] bcachefs (loop0): alloc_read... done [ 95.547530][ T5835] bcachefs (loop0): stripes_read... done [ 95.553260][ T5835] bcachefs (loop0): snapshots_read... done [ 95.561947][ T5835] bcachefs (loop0): journal_replay... done [ 95.568029][ T5835] bcachefs (loop0): resume_logged_ops... done [ 95.574192][ T5835] bcachefs (loop0): delete_dead_inodes... done [pid 5835] mount("/dev/loop0", "./file2", "bcachefs", MS_NODIRATIME|MS_RELATIME|MS_STRICTATIME, "\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65\x2c\x65\x72\x72\x6f\x72\x73\x3d\x66\x69\x78\x5f\x73\x61\x66\x65\x2c\x6a\x6f\x75\x72\x6e\x61\x6c\x5f\x74\x72\x61\x6e\x73\x61\x63\x74\x69\x6f\x6e\x5f\x6e\x61\x6d\x65\x73\x2c\x76\x65\x72\x73\x69\x6f\x6e\x5f\x75\x70\x67\x72\x61\x64\x65\x3d\x6e\x6f\x6e\x65\x2c\x73\x6d\x61\x63\x6b\x6a\x5f\x74\x79\x70\x65\x3d\x28\xaa\x29") = 0 [pid 5835] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5835] chdir("./file2") = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] ioctl(4, LOOP_CLR_FD) = 0 [pid 5835] close(4) = 0 [ 95.581161][ T5835] bcachefs (loop0): going read-write [ 95.590979][ T5835] bcachefs (loop0): done starting filesystem [ 95.598118][ T5844] bcachefs (loop0 inum 4099 offset 0): __bch2_write(): move error: insufficient_devices [ 95.608946][ T5844] bcachefs (loop0 inum 536870913 offset 0): __bch2_write(): move error: insufficient_devices [pid 5835] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137 [pid 5833] kill(-5835, SIGKILL) = 0 [pid 5833] kill(5835, SIGKILL) = 0 [pid 5833] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x55557ca326f0 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(3, 0x55557ca326f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [ 126.057403][ T5835] Allocator stuck? Waited for 30 seconds [ 126.057443][ T5835] Allocator debug: [ 126.057452][ T5835] capacity1536 [ 126.057460][ T5835] reserved 31232 [ 126.057468][ T5835] hidden 0 [ 126.057477][ T5835] btree 0 [ 126.057485][ T5835] data 0 [ 126.057493][ T5835] cached 0 [ 126.057501][ T5835] reserved 0 [ 126.057509][ T5835] online_reserved 768 [ 126.057518][ T5835] nr_inodes 0 [ 126.057526][ T5835] [ 126.057533][ T5835] freelist_wait waiting [ 126.057542][ T5835] open buckets allocated1 [ 126.057550][ T5835] open buckets total 1024 [ 126.057559][ T5835] open_buckets_wait empty [ 126.057567][ T5835] open_buckets_btree 0 [ 126.057575][ T5835] open_buckets_user 0 [ 126.057583][ T5835] btree reserve cache 0 [ 126.057591][ T5835] [ 126.057598][ T5835] Dev 0: [ 126.057606][ T5835] buckets sectors fragmented [ 126.057616][ T5835] free 0 0 0 [ 126.057625][ T5835] sb 0 0 0 [ 126.057635][ T5835] journal 0 0 0 [ 126.057644][ T5835] btree 0 0 0 [ 126.057654][ T5835] user 0 0 0 [ 126.057664][ T5835] cached 0 0 0 [ 126.057673][ T5835] parity 0 0 0 [ 126.057703][ T5835] stripe 0 0 0 [ 126.057713][ T5835] need_gc_gens 0 0 0 [ 126.057722][ T5835] need_discard 0 0 0 [ 126.057732][ T5835] unstriped 0 0 0 [ 126.057741][ T5835] capacity 128 [ 126.057749][ T5835] [ 126.057756][ T5835] reserves: [ 126.057764][ T5835] stripe 60 [ 126.057772][ T5835] normal 58 [ 126.057781][ T5835] copygc 56 [ 126.057789][ T5835] btree 28 [ 126.057797][ T5835] btree_copygc 0 [ 126.057812][ T5835] reclaim 0 [ 126.057821][ T5835] interior_updates 0 [ 126.057829][ T5835] [ 126.057836][ T5835] open buckets 0 [ 126.057844][ T5835] buckets to invalidate 0 [ 126.057853][ T5835] [ 126.057860][ T5835] Copygc debug: [ 126.057867][ T5835] running: 0 [ 126.057875][ T5835] copygc_wait:0 [ 126.057883][ T5835] copygc_wait_at:0 [ 126.057891][ T5835] Currently waiting for:0 B [ 126.057899][ T5835] Currently waiting since:640 KiB [ 126.057908][ T5835] Currently calculated wait:0 B [ 126.057916][ T5835] [ 126.057923][ T5835] Journal debug: [ 126.057931][ T5835] flags: replay_done,running,need_flush_write [ 126.057941][ T5835] dirty journal entries: 0/32768 [ 126.057949][ T5835] seq: 10 [ 126.057957][ T5835] seq_ondisk: 10 [ 126.057966][ T5835] last_seq: 11 [ 126.057974][ T5835] last_seq_ondisk: 11 [ 126.057982][ T5835] flushed_seq_ondisk: 10 [ 126.057991][ T5835] watermark: stripe [ 126.057999][ T5835] each entry reserved: 321 [ 126.058007][ T5835] nr flush writes: 0 [ 126.058016][ T5835] nr noflush writes: 0 [ 126.058024][ T5835] average write size: 0 B [ 126.058032][ T5835] nr direct reclaim: 0 [ 126.058041][ T5835] nr background reclaim: 0 [ 126.058049][ T5835] reclaim kicked: 0 [ 126.058057][ T5835] reclaim runs in: 0 ms [ 126.058065][ T5835] blocked: 0 [ 126.058074][ T5835] current entry sectors: 0 [ 126.058082][ T5835] current entry error: insufficient_devices [ 126.058091][ T5835] current entry: closed [ 126.058100][ T5835] unwritten entries: [ 126.058123][ T5835] last buf closed [ 126.058131][ T5835] space: [ 126.058139][ T5835] discarded 0:0 [ 126.058147][ T5835] clean ondisk 0:0 [ 126.058155][ T5835] clean 0:0 [ 126.058164][ T5835] total 0:0 [ 126.058172][ T5835] [ 279.006109][ T31] INFO: task syz-executor218:5835 blocked for more than 143 seconds. [ 279.014338][ T31] Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 279.022188][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 279.031088][ T31] task:syz-executor218 state:D stack:17432 pid:5835 tgid:5835 ppid:5833 flags:0x00004006 [ 279.041456][ T31] Call Trace: [ 279.044769][ T31] [ 279.047802][ T31] __schedule+0x17fb/0x4be0 [ 279.052375][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 279.058447][ T31] ? __pfx___schedule+0x10/0x10 [ 279.063355][ T31] ? __pfx_lock_release+0x10/0x10 [ 279.068482][ T31] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 279.074424][ T31] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 279.080406][ T31] ? schedule+0x90/0x320 [ 279.084701][ T31] schedule+0x14b/0x320 [ 279.089018][ T31] __closure_sync+0x259/0x2f0 [ 279.093832][ T31] ? __closure_sync+0x149/0x2f0 [ 279.098757][ T31] ? __pfx___closure_sync+0x10/0x10 [ 279.104014][ T31] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 279.109910][ T31] bch2_btree_update_start+0x11a2/0x14e0 [ 279.115618][ T31] ? bch2_btree_split_leaf+0x123/0x840 [ 279.121276][ T31] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 279.127343][ T31] ? bch2_logged_op_start+0x181/0x310 [ 279.132745][ T31] ? __pfx_closure_sync_fn+0x10/0x10 [ 279.138615][ T31] ? __do_six_trylock+0x832/0x9f0 [ 279.143704][ T31] bch2_btree_split_leaf+0x123/0x840 [ 279.149072][ T31] ? __pfx___do_six_trylock+0x10/0x10 [ 279.154501][ T31] bch2_trans_commit_error+0x212/0x1380 [ 279.160157][ T31] ? bch2_logged_op_start+0x1c8/0x310 [ 279.165583][ T31] ? bch2_trans_lock_write+0x585/0xc60 [ 279.171140][ T31] ? six_unlock_ip+0x2ce/0x3e0 [ 279.175996][ T31] ? bch2_trans_unlock_write+0x892/0xce0 [ 279.181860][ T31] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 279.187902][ T31] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 279.193575][ T31] ? bch2_btree_path_verify_locks+0x633/0x720 [ 279.199723][ T31] ? bch2_trans_verify_locks+0x339/0x3c0 [ 279.205401][ T31] __bch2_trans_commit+0x7ead/0x93c0 [ 279.210932][ T31] ? bch2_path_put+0x1a4/0x2150 [ 279.215952][ T31] ? __pfx___bch2_trans_commit+0x10/0x10 [ 279.221656][ T31] ? __asan_memset+0x23/0x50 [ 279.226348][ T31] bch2_logged_op_start+0x1c8/0x310 [ 279.231604][ T31] ? __pfx_bch2_logged_op_start+0x10/0x10 [ 279.237398][ T31] ? lockdep_init_map_type+0xa1/0x910 [ 279.242821][ T31] ? bch2_bkey_get_empty_slot+0x13a/0x500 [ 279.248668][ T31] ? unmap_mapping_range+0xf8/0x290 [ 279.253937][ T31] bch2_truncate+0x19e/0x2d0 [ 279.258635][ T31] ? __pfx_bch2_truncate+0x10/0x10 [ 279.263800][ T31] ? unmap_mapping_range+0xf8/0x290 [ 279.269132][ T31] ? truncate_setsize+0xcf/0xf0 [ 279.274026][ T31] bchfs_truncate+0x85f/0xc90 [ 279.278799][ T31] ? __pfx_bchfs_truncate+0x10/0x10 [ 279.284084][ T31] ? setattr_prepare+0x1f5/0xb20 [ 279.289123][ T31] ? bch2_setattr+0x1a4/0x220 [ 279.293872][ T31] ? __pfx_bch2_setattr+0x10/0x10 [ 279.299058][ T31] notify_change+0xbca/0xe90 [ 279.303704][ T31] do_truncate+0x220/0x310 [ 279.308187][ T31] ? __pfx_do_truncate+0x10/0x10 [ 279.313180][ T31] path_openat+0x2e1e/0x3590 [ 279.317880][ T31] ? __pfx_path_openat+0x10/0x10 [ 279.322875][ T31] do_filp_open+0x27f/0x4e0 [ 279.327451][ T31] ? __pfx_do_filp_open+0x10/0x10 [ 279.332535][ T31] ? do_raw_spin_lock+0x14f/0x370 [ 279.337686][ T31] do_sys_openat2+0x13e/0x1d0 [ 279.342408][ T31] ? __pfx_do_sys_openat2+0x10/0x10 [ 279.347681][ T31] ? lockdep_hardirqs_on+0x99/0x150 [ 279.352929][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 279.358209][ T31] ? ptrace_notify+0x279/0x380 [ 279.363022][ T31] __x64_sys_open+0x225/0x270 [ 279.367772][ T31] ? __pfx___x64_sys_open+0x10/0x10 [ 279.373013][ T31] ? do_syscall_64+0x100/0x230 [ 279.377891][ T31] do_syscall_64+0xf3/0x230 [ 279.382450][ T31] ? clear_bhb_loop+0x35/0x90 [ 279.387229][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.393197][ T31] RIP: 0033:0x7fd09dbc6049 [ 279.397701][ T31] RSP: 002b:00007fff870a12f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 279.406195][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd09dbc6049 [ 279.414180][ T31] RDX: 1df2a23c5997fa5f RSI: 0000000000080242 RDI: 0000000020000580 [ 279.422215][ T31] RBP: 00000000000016ca R08: 0000000000005901 R09: 0000000000000000 [ 279.430257][ T31] R10: 00007fff870a11c0 R11: 0000000000000246 R12: 00007fff870a1340 [ 279.438325][ T31] R13: 00007fff870a1420 R14: 431bde82d7b634db R15: 00007fd09dc0f01d [ 279.446491][ T31] [ 279.449568][ T31] [ 279.449568][ T31] Showing all locks held in the system: [ 279.457360][ T31] 1 lock held by khungtaskd/31: [ 279.462240][ T31] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 279.472273][ T31] 2 locks held by getty/5585: [ 279.477012][ T31] #0: ffff8880357d80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 279.486960][ T31] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 279.497305][ T31] 5 locks held by syz-executor218/5835: [ 279.502877][ T31] #0: ffff8880217f4420 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 279.512199][ T31] #1: ffff88806f3f8148 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 279.522682][ T31] #2: ffff88806f600a38 (&c->snapshot_create_lock){.+.+}-{4:4}, at: bch2_truncate+0x166/0x2d0 [ 279.533086][ T31] #3: ffff88806f604398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e1/0xd30 [ 279.543677][ T31] #4: ffff88806f6266d0 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x682/0x14e0 [ 279.553899][ T31] [ 279.556296][ T31] ============================================= [ 279.556296][ T31] [ 279.564753][ T31] NMI backtrace for cpu 1 [ 279.569105][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 279.579599][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 279.589654][ T31] Call Trace: [ 279.592942][ T31] [ 279.595879][ T31] dump_stack_lvl+0x241/0x360 [ 279.600570][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 279.605780][ T31] ? __pfx__printk+0x10/0x10 [ 279.610552][ T31] nmi_cpu_backtrace+0x49c/0x4d0 [ 279.615502][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 279.620964][ T31] ? _printk+0xd5/0x120 [ 279.625145][ T31] ? __pfx__printk+0x10/0x10 [ 279.629773][ T31] ? __wake_up_klogd+0xcc/0x110 [ 279.634645][ T31] ? __pfx__printk+0x10/0x10 [ 279.639243][ T31] ? __rcu_read_unlock+0xa1/0x110 [ 279.644275][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 279.650301][ T31] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 279.656294][ T31] watchdog+0xff6/0x1040 [ 279.660567][ T31] ? watchdog+0x1ea/0x1040 [ 279.665031][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.669741][ T31] kthread+0x2f0/0x390 [ 279.673827][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.678536][ T31] ? __pfx_kthread+0x10/0x10 [ 279.683132][ T31] ret_from_fork+0x4b/0x80 [ 279.687554][ T31] ? __pfx_kthread+0x10/0x10 [ 279.692160][ T31] ret_from_fork_asm+0x1a/0x30 [ 279.697121][ T31] [ 279.700353][ T31] Sending NMI from CPU 1 to CPUs 0: [ 279.705615][ C0] NMI backtrace for cpu 0 [ 279.705629][ C0] CPU: 0 UID: 0 PID: 29 Comm: kworker/u8:2 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 279.705656][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 279.705667][ C0] Workqueue: events_unbound toggle_allocation_gate [ 279.705698][ C0] RIP: 0010:memset_orig+0x82/0xb0 [ 279.705717][ C0] Code: 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 48 8d 7f 08 75 f5 83 e2 07 74 0a ff ca <88> 07 48 8d 7f 01 75 f6 4c 89 d0 c3 cc cc cc cc 48 83 fa 07 76 e3 [ 279.705731][ C0] RSP: 0018:ffffc90000a57918 EFLAGS: 00000202 [ 279.705745][ C0] RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000000 [ 279.705756][ C0] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffc90000a579d1 [ 279.705768][ C0] RBP: ffffc90000a57a80 R08: 0000000000000005 R09: 0000000000000001 [ 279.705779][ C0] R10: ffffc90000a579d1 R11: fffff5200014af3a R12: 0000000000000007 [ 279.705791][ C0] R13: ffffffff93164cda R14: dffffc0000000000 R15: ffffc90000a579f0 [ 279.705804][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 279.705818][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 279.705835][ C0] CR2: 00005631f802a600 CR3: 000000000e736000 CR4: 00000000003526f0 [ 279.705851][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 279.705862][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 279.705874][ C0] Call Trace: [ 279.705882][ C0] [ 279.705889][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 279.705912][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 279.705933][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 279.705953][ C0] ? nmi_handle+0x2a/0x5a0 [ 279.705979][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 279.706005][ C0] ? nmi_handle+0x14f/0x5a0 [ 279.706024][ C0] ? nmi_handle+0x2a/0x5a0 [ 279.706043][ C0] ? memset_orig+0x82/0xb0 [ 279.706059][ C0] ? default_do_nmi+0x63/0x160 [ 279.706079][ C0] ? exc_nmi+0x123/0x1f0 [ 279.706098][ C0] ? end_repeat_nmi+0xf/0x53 [ 279.706120][ C0] ? memset_orig+0x82/0xb0 [ 279.706137][ C0] ? memset_orig+0x82/0xb0 [ 279.706154][ C0] ? memset_orig+0x82/0xb0 [ 279.706170][ C0] [ 279.706176][ C0] [ 279.706182][ C0] text_poke_bp_batch+0x401/0xb30 [ 279.706210][ C0] ? __kmalloc_cache_noprof+0x84/0x390 [ 279.706228][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 279.706255][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 279.706283][ C0] ? process_scheduled_works+0x976/0x1840 [ 279.706310][ C0] text_poke_finish+0x30/0x50 [ 279.706332][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 279.706357][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 279.706383][ C0] static_key_enable+0x1a/0x20 [ 279.706405][ C0] toggle_allocation_gate+0xbc/0x260 [ 279.706430][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 279.706455][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 279.706480][ C0] process_scheduled_works+0xa66/0x1840 [ 279.706520][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 279.706550][ C0] ? assign_work+0x364/0x3d0 [ 279.706578][ C0] worker_thread+0x870/0xd30 [ 279.706601][ C0] ? __kthread_parkme+0x169/0x1d0 [ 279.706620][ C0] ? __pfx_worker_thread+0x10/0x10 [ 279.706642][ C0] kthread+0x2f0/0x390 [ 279.706661][ C0] ? __pfx_worker_thread+0x10/0x10 [ 279.706677][ C0] ? __pfx_kthread+0x10/0x10 [ 279.706696][ C0] ret_from_fork+0x4b/0x80 [ 279.706711][ C0] ? __pfx_kthread+0x10/0x10 [ 279.706730][ C0] ret_from_fork_asm+0x1a/0x30 [ 279.706762][ C0] [ 279.707677][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 279.707693][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 [ 279.707721][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 279.707735][ T31] Call Trace: [ 279.707744][ T31] [ 279.707754][ T31] dump_stack_lvl+0x241/0x360 [ 279.707789][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 279.707820][ T31] ? __pfx__printk+0x10/0x10 [ 279.707845][ T31] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 279.707878][ T31] ? vscnprintf+0x5d/0x90 [ 279.707908][ T31] panic+0x349/0x880 [ 279.707937][ T31] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 279.707967][ T31] ? __pfx_panic+0x10/0x10 [ 279.707991][ T31] ? tick_nohz_tick_stopped+0x82/0xb0 [ 279.708025][ T31] ? __irq_work_queue_local+0x137/0x410 [ 279.708070][ T31] ? preempt_schedule_thunk+0x1a/0x30 [ 279.708110][ T31] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 279.708138][ T31] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 279.708170][ T31] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 279.708202][ T31] watchdog+0x1035/0x1040 [ 279.708228][ T31] ? watchdog+0x1ea/0x1040 [ 279.708258][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.708303][ T31] kthread+0x2f0/0x390 [ 279.708330][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.708355][ T31] ? __pfx_kthread+0x10/0x10 [ 279.708396][ T31] ret_from_fork+0x4b/0x80 [ 279.708418][ T31] ? __pfx_kthread+0x10/0x10 [ 279.708445][ T31] ret_from_fork_asm+0x1a/0x30 [ 279.708493][ T31] [ 280.205556][ T31] Kernel Offset: disabled [ 280.209921][ T31] Rebooting in 86400 seconds..