./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3882082957 <...> Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts. execve("./syz-executor3882082957", ["./syz-executor3882082957"], 0x7ffd6fe66280 /* 10 vars */) = 0 brk(NULL) = 0x555557e5e000 brk(0x555557e5ed00) = 0x555557e5ed00 arch_prctl(ARCH_SET_FS, 0x555557e5e380) = 0 set_tid_address(0x555557e5e650) = 5251 set_robust_list(0x555557e5e660, 24) = 0 rseq(0x555557e5eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3882082957", 4096) = 28 getrandom("\x65\xf6\x25\x67\xbd\x3f\xa6\xd2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557e5ed00 brk(0x555557e7fd00) = 0x555557e7fd00 brk(0x555557e80000) = 0x555557e80000 mprotect(0x7f42044a9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557e5e650) = 5252 ./strace-static-x86_64: Process 5252 attached [pid 5251] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] set_robust_list(0x555557e5e660, 24) = 0 ./strace-static-x86_64: Process 5253 attached [pid 5251] <... clone resumed>, child_tidptr=0x555557e5e650) = 5253 [pid 5253] set_robust_list(0x555557e5e660, 24 [pid 5252] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5253] <... set_robust_list resumed>) = 0 [pid 5253] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached ./strace-static-x86_64: Process 5254 attached [pid 5251] <... clone resumed>, child_tidptr=0x555557e5e650) = 5255 [pid 5251] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5255] set_robust_list(0x555557e5e660, 24 [pid 5254] set_robust_list(0x555557e5e660, 24 [pid 5252] <... clone resumed>, child_tidptr=0x555557e5e650) = 5254 ./strace-static-x86_64: Process 5256 attached [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5256] set_robust_list(0x555557e5e660, 24 [pid 5255] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] <... clone resumed>, child_tidptr=0x555557e5e650) = 5256 ./strace-static-x86_64: Process 5257 attached [pid 5251] <... clone resumed>, child_tidptr=0x555557e5e650) = 5257 [pid 5256] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5258 attached [pid 5251] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5257] set_robust_list(0x555557e5e660, 24 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] <... prctl resumed>) = 0 [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] <... prctl resumed>) = 0 [pid 5255] <... clone resumed>, child_tidptr=0x555557e5e650) = 5258 [pid 5258] set_robust_list(0x555557e5e660, 24 [pid 5257] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5256] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5260 attached ./strace-static-x86_64: Process 5259 attached [pid 5258] <... set_robust_list resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5254] setpgid(0, 0 [pid 5260] set_robust_list(0x555557e5e660, 24 [pid 5251] <... clone resumed>, child_tidptr=0x555557e5e650) = 5260 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] set_robust_list(0x555557e5e660, 24 [pid 5260] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5257] <... clone resumed>, child_tidptr=0x555557e5e650) = 5259 [pid 5254] <... setpgid resumed>) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5258] <... prctl resumed>) = 0 [pid 5256] <... openat resumed>) = 3 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5261 attached [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] setpgid(0, 0 [pid 5261] set_robust_list(0x555557e5e660, 24 [pid 5260] <... clone resumed>, child_tidptr=0x555557e5e650) = 5261 [pid 5258] <... setpgid resumed>) = 0 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5259] <... prctl resumed>) = 0 [pid 5256] write(3, "1000", 4 [pid 5254] <... openat resumed>) = 3 [pid 5256] <... write resumed>) = 4 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5261] setpgid(0, 0 [pid 5259] setpgid(0, 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] close(3 [pid 5259] <... setpgid resumed>) = 0 [pid 5254] write(3, "1000", 4 [pid 5256] <... close resumed>) = 0 [pid 5261] <... setpgid resumed>) = 0 executing program [pid 5256] write(1, "executing program\n", 18 [pid 5254] <... write resumed>) = 4 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... write resumed>) = 18 [pid 5254] close(3 [pid 5258] <... openat resumed>) = 3 [pid 5256] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5254] <... close resumed>) = 0 [pid 5261] <... openat resumed>) = 3 [pid 5256] <... socket resumed>) = 3 executing program executing program [pid 5254] write(1, "executing program\n", 18 [pid 5261] write(3, "1000", 4) = 4 [pid 5254] <... write resumed>) = 18 [pid 5261] close(3) = 0 [pid 5261] write(1, "executing program\n", 18) = 18 [pid 5261] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5259] <... openat resumed>) = 3 [pid 5258] write(3, "1000", 4 [pid 5254] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5261] <... socket resumed>) = 3 [pid 5256] sendmsg(3, {msg_name=NULL, msg_namelen=2, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5261] sendmsg(3, {msg_name=NULL, msg_namelen=2, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5259] write(3, "1000", 4 [pid 5258] <... write resumed>) = 4 [pid 5254] <... socket resumed>) = 3 [pid 5258] close(3 [pid 5254] sendmsg(3, {msg_name=NULL, msg_namelen=2, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5258] <... close resumed>) = 0 [pid 5259] <... write resumed>) = 4 [pid 5258] write(1, "executing program\n", 18executing program executing program [pid 5259] close(3) = 0 [pid 5259] write(1, "executing program\n", 18) = 18 [pid 5258] <... write resumed>) = 18 [pid 5258] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5259] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5259] sendmsg(3, {msg_name=NULL, msg_namelen=2, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5258] <... socket resumed>) = 3 [pid 5258] sendmsg(3, {msg_name=NULL, msg_namelen=2, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5256] <... sendmsg resumed>) = 20 [pid 5256] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [ 286.665922][ T30] INFO: task syz-executor388:5254 blocked for more than 143 seconds. [ 286.674344][ T30] Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 286.681975][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.690710][ T30] task:syz-executor388 state:D stack:23736 pid:5254 tgid:5254 ppid:5252 flags:0x00004006 [ 286.700958][ T30] Call Trace: [ 286.704326][ T30] [ 286.707268][ T30] __schedule+0x1800/0x4a60 [ 286.711806][ T30] ? __pfx___schedule+0x10/0x10 [ 286.716699][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.721737][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 286.727254][ T30] ? schedule+0x90/0x320 [ 286.731505][ T30] schedule+0x14b/0x320 [ 286.735728][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.741219][ T30] __mutex_lock+0x6a4/0xd70 [ 286.745771][ T30] ? __mutex_lock+0x527/0xd70 [ 286.750462][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 286.756404][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.761437][ T30] ? __asan_memset+0x23/0x50 [ 286.766163][ T30] ? netlink_unicast+0x7f6/0x990 [ 286.771127][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 286.776115][ T30] ? __sock_sendmsg+0x221/0x270 [ 286.780985][ T30] ? __sys_sendmsg+0x2b0/0x3a0 [ 286.785810][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 286.791549][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.797360][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.803586][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 286.809831][ T30] ? __nla_parse+0x40/0x60 [ 286.814308][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 286.820660][ T30] genl_rcv_msg+0xb14/0xec0 [ 286.825262][ T30] ? mark_lock+0x9a/0x350 [ 286.829628][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.834769][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.839836][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.846056][ T30] ? __pfx___might_resched+0x10/0x10 [ 286.851380][ T30] netlink_rcv_skb+0x1e3/0x430 [ 286.856197][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.861240][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.866602][ T30] genl_rcv+0x28/0x40 [ 286.870592][ T30] netlink_unicast+0x7f6/0x990 [ 286.875408][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 286.880706][ T30] ? __virt_addr_valid+0x183/0x530 [ 286.885879][ T30] ? __check_object_size+0x49c/0x900 [ 286.891180][ T30] ? bpf_lsm_netlink_send+0x9/0x10 [ 286.896400][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 286.901187][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.906515][ T30] ? __import_iovec+0x536/0x820 [ 286.911480][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 286.916461][ T30] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 286.921759][ T30] ? security_socket_sendmsg+0x87/0xb0 [ 286.927275][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.932654][ T30] __sock_sendmsg+0x221/0x270 [ 286.937425][ T30] ____sys_sendmsg+0x525/0x7d0 [ 286.942223][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.947621][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.952687][ T30] __sys_sendmsg+0x2b0/0x3a0 [ 286.957357][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 286.962507][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.968896][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.974157][ T30] ? ptrace_notify+0x279/0x380 [ 286.979033][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.985402][ T30] ? exc_page_fault+0x590/0x8c0 [ 286.990273][ T30] do_syscall_64+0xf3/0x230 [ 286.994903][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.999596][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.005646][ T30] RIP: 0033:0x7f4204435ce9 [ 287.010077][ T30] RSP: 002b:00007ffea2feb278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.018531][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4204435ce9 [ 287.026562][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 287.034596][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.042575][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.050592][ T30] R13: 0000000000000000 R14: 00007ffea2feb2a0 R15: 00007ffea2feb290 [ 287.058622][ T30] [ 287.061649][ T30] INFO: task syz-executor388:5258 blocked for more than 143 seconds. [ 287.069775][ T30] Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 287.077440][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.086216][ T30] task:syz-executor388 state:D stack:26576 pid:5258 tgid:5258 ppid:5255 flags:0x00004006 [ 287.096517][ T30] Call Trace: [ 287.099820][ T30] [ 287.102786][ T30] __schedule+0x1800/0x4a60 [ 287.107386][ T30] ? __pfx___schedule+0x10/0x10 [ 287.112251][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.117329][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.122894][ T30] ? schedule+0x90/0x320 [ 287.127232][ T30] schedule+0x14b/0x320 [ 287.131404][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.136915][ T30] __mutex_lock+0x6a4/0xd70 [ 287.141431][ T30] ? __mutex_lock+0x527/0xd70 [ 287.146202][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.152107][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.157238][ T30] ? __asan_memset+0x23/0x50 [ 287.161846][ T30] ? netlink_unicast+0x7f6/0x990 [ 287.166837][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 287.171786][ T30] ? __sock_sendmsg+0x221/0x270 [ 287.176688][ T30] ? __sys_sendmsg+0x2b0/0x3a0 [ 287.181465][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.187264][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.193005][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.199201][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 287.205507][ T30] ? __nla_parse+0x40/0x60 [ 287.209940][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 287.216329][ T30] genl_rcv_msg+0xb14/0xec0 [ 287.220851][ T30] ? mark_lock+0x9a/0x350 [ 287.225246][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.230319][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.235399][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.241565][ T30] ? __pfx___might_resched+0x10/0x10 [ 287.246918][ T30] netlink_rcv_skb+0x1e3/0x430 [ 287.251688][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.256752][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.262063][ T30] genl_rcv+0x28/0x40 [ 287.266089][ T30] netlink_unicast+0x7f6/0x990 [ 287.270871][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 287.276194][ T30] ? __virt_addr_valid+0x183/0x530 [ 287.281337][ T30] ? __check_object_size+0x49c/0x900 [ 287.286667][ T30] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.291798][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 287.296612][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.301930][ T30] ? __import_iovec+0x536/0x820 [ 287.306930][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 287.311888][ T30] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.317222][ T30] ? security_socket_sendmsg+0x87/0xb0 [ 287.322701][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.328044][ T30] __sock_sendmsg+0x221/0x270 [ 287.332740][ T30] ____sys_sendmsg+0x525/0x7d0 [ 287.337578][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.342899][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.347998][ T30] __sys_sendmsg+0x2b0/0x3a0 [ 287.352616][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.357792][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.364204][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.369403][ T30] ? ptrace_notify+0x279/0x380 [ 287.374230][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.380573][ T30] ? exc_page_fault+0x590/0x8c0 [ 287.385602][ T30] do_syscall_64+0xf3/0x230 [ 287.390117][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.394870][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.400807][ T30] RIP: 0033:0x7f4204435ce9 [ 287.405289][ T30] RSP: 002b:00007ffea2feb278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.413820][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4204435ce9 [ 287.421803][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 287.429840][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.437870][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.445875][ T30] R13: 0000000000000000 R14: 00007ffea2feb2a0 R15: 00007ffea2feb290 [ 287.453914][ T30] [ 287.456984][ T30] INFO: task syz-executor388:5259 blocked for more than 144 seconds. [ 287.465093][ T30] Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 287.472721][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.481425][ T30] task:syz-executor388 state:D stack:26576 pid:5259 tgid:5259 ppid:5257 flags:0x00004006 [ 287.491698][ T30] Call Trace: [ 287.495027][ T30] [ 287.497977][ T30] __schedule+0x1800/0x4a60 [ 287.502522][ T30] ? __pfx___schedule+0x10/0x10 [ 287.507427][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.512443][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.517986][ T30] ? schedule+0x90/0x320 [ 287.522245][ T30] schedule+0x14b/0x320 [ 287.526457][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.531919][ T30] __mutex_lock+0x6a4/0xd70 [ 287.536466][ T30] ? __mutex_lock+0x527/0xd70 [ 287.541174][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.547124][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.552150][ T30] ? __asan_memset+0x23/0x50 [ 287.556785][ T30] ? netlink_unicast+0x7f6/0x990 [ 287.561748][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 287.566740][ T30] ? __sock_sendmsg+0x221/0x270 [ 287.571627][ T30] ? __sys_sendmsg+0x2b0/0x3a0 [ 287.576459][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.582195][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.587980][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.594205][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 287.600439][ T30] ? __nla_parse+0x40/0x60 [ 287.604901][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 287.611245][ T30] genl_rcv_msg+0xb14/0xec0 [ 287.615812][ T30] ? mark_lock+0x9a/0x350 [ 287.620172][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.625273][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.630316][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.636533][ T30] ? __pfx___might_resched+0x10/0x10 [ 287.641835][ T30] netlink_rcv_skb+0x1e3/0x430 [ 287.646701][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.651735][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.657085][ T30] genl_rcv+0x28/0x40 [ 287.661080][ T30] netlink_unicast+0x7f6/0x990 [ 287.665909][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 287.671221][ T30] ? __virt_addr_valid+0x183/0x530 [ 287.676383][ T30] ? __check_object_size+0x49c/0x900 [ 287.681687][ T30] ? bpf_lsm_netlink_send+0x9/0x10 [ 287.686848][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 287.691629][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.696956][ T30] ? __import_iovec+0x536/0x820 [ 287.701838][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 287.706814][ T30] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.712106][ T30] ? security_socket_sendmsg+0x87/0xb0 [ 287.717603][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.722892][ T30] __sock_sendmsg+0x221/0x270 [ 287.727631][ T30] ____sys_sendmsg+0x525/0x7d0 [ 287.732411][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.737734][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.742770][ T30] __sys_sendmsg+0x2b0/0x3a0 [ 287.747430][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.752577][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.758970][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.764238][ T30] ? ptrace_notify+0x279/0x380 [ 287.769012][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.775367][ T30] ? exc_page_fault+0x590/0x8c0 [ 287.780233][ T30] do_syscall_64+0xf3/0x230 [ 287.784780][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.789466][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.795396][ T30] RIP: 0033:0x7f4204435ce9 [ 287.799817][ T30] RSP: 002b:00007ffea2feb278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.808262][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4204435ce9 [ 287.816267][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 287.824264][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.832237][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.840238][ T30] R13: 0000000000000000 R14: 00007ffea2feb2a0 R15: 00007ffea2feb290 [ 287.848254][ T30] [ 287.851304][ T30] INFO: task syz-executor388:5270 blocked for more than 144 seconds. [ 287.859417][ T30] Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 287.867095][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.875788][ T30] task:syz-executor388 state:D stack:26576 pid:5270 tgid:5270 ppid:5253 flags:0x00004006 [ 287.886065][ T30] Call Trace: [ 287.889348][ T30] [ 287.892265][ T30] __schedule+0x1800/0x4a60 [ 287.896848][ T30] ? __pfx___schedule+0x10/0x10 [ 287.901725][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.906827][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.912295][ T30] ? schedule+0x90/0x320 [ 287.916580][ T30] schedule+0x14b/0x320 [ 287.920750][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.926247][ T30] __mutex_lock+0x6a4/0xd70 [ 287.930758][ T30] ? __mutex_lock+0x527/0xd70 [ 287.935467][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.941373][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.946466][ T30] ? __asan_memset+0x23/0x50 [ 287.951075][ T30] ? netlink_unicast+0x7f6/0x990 [ 287.956068][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 287.961013][ T30] ? __sock_sendmsg+0x221/0x270 [ 287.965910][ T30] ? __sys_sendmsg+0x2b0/0x3a0 [ 287.970710][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.976472][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.982227][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.988441][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 287.994742][ T30] ? __nla_parse+0x40/0x60 [ 287.999149][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 288.005513][ T30] genl_rcv_msg+0xb14/0xec0 [ 288.010024][ T30] ? mark_lock+0x9a/0x350 [ 288.014418][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.019490][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 288.024585][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 288.030747][ T30] ? __pfx___might_resched+0x10/0x10 [ 288.036081][ T30] netlink_rcv_skb+0x1e3/0x430 [ 288.040855][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.045914][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 288.051223][ T30] genl_rcv+0x28/0x40 [ 288.055237][ T30] netlink_unicast+0x7f6/0x990 [ 288.060016][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 288.065332][ T30] ? __virt_addr_valid+0x183/0x530 [ 288.070446][ T30] ? __check_object_size+0x49c/0x900 [ 288.075767][ T30] ? bpf_lsm_netlink_send+0x9/0x10 [ 288.080889][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 288.085706][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.090996][ T30] ? __import_iovec+0x536/0x820 [ 288.095880][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 288.100823][ T30] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 288.106229][ T30] ? security_socket_sendmsg+0x87/0xb0 [ 288.111703][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.117021][ T30] __sock_sendmsg+0x221/0x270 [ 288.121711][ T30] ____sys_sendmsg+0x525/0x7d0 [ 288.126579][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 288.131891][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 288.136999][ T30] __sys_sendmsg+0x2b0/0x3a0 [ 288.141612][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 288.146803][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.153177][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 288.158437][ T30] ? ptrace_notify+0x279/0x380 [ 288.163253][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.169671][ T30] ? exc_page_fault+0x590/0x8c0 [ 288.174634][ T30] do_syscall_64+0xf3/0x230 [ 288.179135][ T30] ? clear_bhb_loop+0x35/0x90 [ 288.183869][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.189776][ T30] RIP: 0033:0x7f4204435ce9 [ 288.194226][ T30] RSP: 002b:00007ffea2feb278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 288.202652][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4204435ce9 [ 288.210675][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 288.218688][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 288.226689][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 288.234722][ T30] R13: 0000000000000000 R14: 00007ffea2feb2a0 R15: 00007ffea2feb290 [ 288.242696][ T30] [ 288.245763][ T30] [ 288.245763][ T30] Showing all locks held in the system: [ 288.253550][ T30] 1 lock held by khungtaskd/30: [ 288.258411][ T30] #0: ffffffff8e938320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 288.268426][ T30] 2 locks held by kworker/u8:5/1073: [ 288.273779][ T30] 4 locks held by klogd/4679: [ 288.278480][ T30] #0: ffff8880b893e9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 288.288477][ T30] #1: ffff8880b8928948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 [ 288.299928][ T30] #2: ffff88807cdc6418 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb0/0x1470 [ 288.309186][ T30] #3: ffff8880b893e9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 288.319157][ T30] 2 locks held by getty/4991: [ 288.323866][ T30] #0: ffff8880309080a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 288.333687][ T30] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 [ 288.343826][ T30] 2 locks held by syz-executor388/5254: [ 288.349368][ T30] #0: ffffffff8fcf11b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.357593][ T30] #1: ffffffff8ec0b628 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.367827][ T30] 2 locks held by syz-executor388/5258: [ 288.373352][ T30] #0: ffffffff8fcf11b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.381565][ T30] #1: ffffffff8ec0b628 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.391811][ T30] 2 locks held by syz-executor388/5259: [ 288.397401][ T30] #0: ffffffff8fcf11b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.405656][ T30] #1: ffffffff8ec0b628 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.415912][ T30] 2 locks held by syz-executor388/5261: [ 288.421458][ T30] #0: ffffffff8fcf11b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.429822][ T30] #1: ffffffff8ec0b628 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.440066][ T30] 2 locks held by syz-executor388/5270: [ 288.445659][ T30] #0: ffffffff8fcf11b0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.453920][ T30] #1: ffffffff8ec0b628 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.464138][ T30] [ 288.466461][ T30] ============================================= [ 288.466461][ T30] [ 288.474915][ T30] NMI backtrace for cpu 0 [ 288.479245][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 288.489750][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 288.499872][ T30] Call Trace: [ 288.503135][ T30] [ 288.506049][ T30] dump_stack_lvl+0x241/0x360 [ 288.510712][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.515891][ T30] ? __pfx__printk+0x10/0x10 [ 288.520455][ T30] ? vprintk_emit+0x667/0x7c0 [ 288.525137][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 288.530150][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 288.535069][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 288.540503][ T30] ? _printk+0xd5/0x120 [ 288.544633][ T30] ? __pfx__printk+0x10/0x10 [ 288.549221][ T30] ? __wake_up_klogd+0xcc/0x110 [ 288.554049][ T30] ? __pfx__printk+0x10/0x10 [ 288.558625][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 288.563633][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.569590][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 288.575560][ T30] watchdog+0xff4/0x1040 [ 288.579799][ T30] ? watchdog+0x1ea/0x1040 [ 288.584215][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.588882][ T30] kthread+0x2f0/0x390 [ 288.592950][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.597619][ T30] ? __pfx_kthread+0x10/0x10 [ 288.602203][ T30] ret_from_fork+0x4b/0x80 [ 288.606614][ T30] ? __pfx_kthread+0x10/0x10 [ 288.611200][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.615969][ T30] [ 288.619077][ T30] Sending NMI from CPU 0 to CPUs 1: [ 288.624378][ C1] NMI backtrace for cpu 1 [ 288.624391][ C1] CPU: 1 UID: 0 PID: 4679 Comm: klogd Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 288.624410][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 288.624444][ C1] RIP: 0010:unwind_next_frame+0x690/0x2a00 [ 288.624471][ C1] Code: 3c 5b 4d 01 ff 49 01 cf 0f 84 82 00 00 00 49 89 ee e8 64 5e 52 00 49 8d 6f 04 49 8d 5f 05 48 89 e8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 88 1b 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 [ 288.624488][ C1] RSP: 0018:ffffc90004187268 EFLAGS: 00000a02 [ 288.624503][ C1] RAX: 0000000000000000 RBX: ffffffff90a9f4f1 RCX: ffff88807c3c8000 [ 288.624514][ C1] RDX: 0000000000000000 RSI: ffffffff81faa2e5 RDI: ffffffff81faa2ea [ 288.624525][ C1] RBP: ffffffff90a9f4f0 R08: ffffffff81412c60 R09: ffffc90004187430 [ 288.624536][ C1] R10: 0000000000000003 R11: ffffffff817f2f00 R12: ffffffff90310524 [ 288.624547][ C1] R13: dffffc0000000000 R14: 1ffff92000830e68 R15: ffffffff90a9f4ec [ 288.624558][ C1] FS: 00007fb93ee6f380(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 [ 288.624572][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.624583][ C1] CR2: 0000555557e676f8 CR3: 000000007c060000 CR4: 00000000003506f0 [ 288.624596][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.624605][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 288.624615][ C1] Call Trace: [ 288.624621][ C1] [ 288.624628][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 288.624647][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 288.624667][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 288.624684][ C1] ? nmi_handle+0x2a/0x5a0 [ 288.624707][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 288.624724][ C1] ? nmi_handle+0x14f/0x5a0 [ 288.624738][ C1] ? nmi_handle+0x2a/0x5a0 [ 288.624754][ C1] ? unwind_next_frame+0x690/0x2a00 [ 288.624773][ C1] ? default_do_nmi+0x63/0x160 [ 288.624791][ C1] ? exc_nmi+0x123/0x1f0 [ 288.624808][ C1] ? end_repeat_nmi+0xf/0x53 [ 288.624827][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 288.624845][ C1] ? unwind_next_frame+0x510/0x2a00 [ 288.624864][ C1] ? __kasan_slab_alloc+0x65/0x80 [ 288.624882][ C1] ? __kasan_slab_alloc+0x6a/0x80 [ 288.624899][ C1] ? unwind_next_frame+0x690/0x2a00 [ 288.624919][ C1] ? unwind_next_frame+0x690/0x2a00 [ 288.624939][ C1] ? unwind_next_frame+0x690/0x2a00 [ 288.624958][ C1] [ 288.624963][ C1] [ 288.624971][ C1] ? __kasan_slab_alloc+0x65/0x80 [ 288.624990][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 288.625008][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 288.625025][ C1] ? __kernel_text_address+0xd/0x40 [ 288.625040][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 288.625058][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 288.625075][ C1] arch_stack_walk+0x151/0x1b0 [ 288.625094][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 288.625115][ C1] stack_trace_save+0x118/0x1d0 [ 288.625133][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 288.625158][ C1] kasan_save_track+0x3f/0x80 [ 288.625174][ C1] ? kasan_save_track+0x3f/0x80 [ 288.625190][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 288.625235][ C1] __kasan_slab_alloc+0x66/0x80 [ 288.625253][ C1] ? __alloc_skb+0x1c3/0x440 [ 288.625269][ C1] kmem_cache_alloc_node_noprof+0x16b/0x320 [ 288.625288][ C1] __alloc_skb+0x1c3/0x440 [ 288.625304][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 288.625328][ C1] ? __pfx___alloc_skb+0x10/0x10 [ 288.625349][ C1] alloc_skb_with_frags+0xc3/0x770 [ 288.625374][ C1] sock_alloc_send_pskb+0x91a/0xa60 [ 288.625403][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 288.625429][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 288.625450][ C1] unix_dgram_sendmsg+0x6d3/0x1f80 [ 288.625473][ C1] ? aa_sk_perm+0x96d/0xab0 [ 288.625492][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 288.625510][ C1] ? aa_sock_msg_perm+0x91/0x160 [ 288.625526][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 288.625545][ C1] ? security_socket_sendmsg+0x87/0xb0 [ 288.625564][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 288.625578][ C1] __sock_sendmsg+0x221/0x270 [ 288.625601][ C1] __sys_sendto+0x3a4/0x4f0 [ 288.625620][ C1] ? __pfx___sys_sendto+0x10/0x10 [ 288.625650][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.625669][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.625690][ C1] __x64_sys_sendto+0xde/0x100 [ 288.625709][ C1] do_syscall_64+0xf3/0x230 [ 288.625725][ C1] ? clear_bhb_loop+0x35/0x90 [ 288.625743][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.625760][ C1] RIP: 0033:0x7fb93efd19b5 [ 288.625773][ C1] 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 [ 288.625784][ C1] RSP: 002b:00007ffecbd3b868 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 288.625799][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb93efd19b5 [ 288.625810][ C1] RDX: 000000000000008b RSI: 000056134a140d80 RDI: 0000000000000003 [ 288.625820][ C1] RBP: 000056134a13c910 R08: 0000000000000000 R09: 0000000000000000 [ 288.625829][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 288.625839][ C1] R13: 00007fb93f15f212 R14: 00007ffecbd3b968 R15: 0000000000000000 [ 288.625858][ C1] [ 288.625864][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.486 msecs [ 288.626403][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 289.153938][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc5-syzkaller-00151-gfe1910f9337b #0 [ 289.164432][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 289.174477][ T30] Call Trace: [ 289.177745][ T30] [ 289.180664][ T30] dump_stack_lvl+0x241/0x360 [ 289.185343][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 289.190532][ T30] ? __pfx__printk+0x10/0x10 [ 289.195105][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 289.201081][ T30] ? vscnprintf+0x5d/0x90 [ 289.205403][ T30] panic+0x349/0x860 [ 289.209289][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 289.215437][ T30] ? __pfx_panic+0x10/0x10 [ 289.219839][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 289.225203][ T30] ? __irq_work_queue_local+0x137/0x410 [ 289.230744][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 289.236108][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 289.242250][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 289.248405][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 289.254562][ T30] watchdog+0x1033/0x1040 [ 289.258885][ T30] ? watchdog+0x1ea/0x1040 [ 289.263296][ T30] ? __pfx_watchdog+0x10/0x10 [ 289.267966][ T30] kthread+0x2f0/0x390 [ 289.272030][ T30] ? __pfx_watchdog+0x10/0x10 [ 289.276703][ T30] ? __pfx_kthread+0x10/0x10 [ 289.281287][ T30] ret_from_fork+0x4b/0x80 [ 289.285697][ T30] ? __pfx_kthread+0x10/0x10 [ 289.290562][ T30] ret_from_fork_asm+0x1a/0x30 [ 289.295329][ T30] [ 289.298462][ T30] Kernel Offset: disabled [ 289.302778][ T30] Rebooting in 86400 seconds..