./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3809232012 <...> Warning: Permanently added '10.128.1.201' (ED25519) to the list of known hosts. execve("./syz-executor3809232012", ["./syz-executor3809232012"], 0x7ffc39e68570 /* 10 vars */) = 0 brk(NULL) = 0x55557a21d000 brk(0x55557a21dd40) = 0x55557a21dd40 arch_prctl(ARCH_SET_FS, 0x55557a21d3c0) = 0 set_tid_address(0x55557a21d690) = 5854 set_robust_list(0x55557a21d6a0, 24) = 0 rseq(0x55557a21dce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3809232012", 4096) = 28 getrandom("\x07\x5a\x74\x5a\xb6\x63\xe0\x64", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a21dd40 brk(0x55557a23ed40) = 0x55557a23ed40 brk(0x55557a23f000) = 0x55557a23f000 mprotect(0x7fb0af11a000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached , child_tidptr=0x55557a21d690) = 5855 [pid 5855] set_robust_list(0x55557a21d6a0, 24) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 [pid 5855] close(3) = 0 [pid 5855] write(1, "executing program\n", 18executing program ) = 18 [pid 5855] futex(0x7fb0af12030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7fb0af0bc220, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb0af0ad8a0}, NULL, 8) = 0 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb0af02f000 [pid 5855] mprotect(0x7fb0af030000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb0af04f990, parent_tid=0x7fb0af04f990, exit_signal=0, stack=0x7fb0af02f000, stack_size=0x20300, tls=0x7fb0af04f6c0}./strace-static-x86_64: Process 5857 attached [pid 5857] rseq(0x7fb0af04ffe0, 0x20, 0, 0x53053053) = 0 [pid 5855] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] set_robust_list(0x7fb0af04f9a0, 24 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] futex(0x7fb0af120308, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5857] mmap(0x200000000000, 11755520, PROT_READ|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0xf6d0f000 [pid 5855] futex(0x7fb0af12030c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5855] futex(0x7fb0af12031c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... mmap resumed>) = 0x200000000000 [pid 5855] <... mmap resumed>) = 0x7fb0af00e000 [pid 5857] futex(0x7fb0af12030c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] futex(0x7fb0af120308, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] mprotect(0x7fb0af00f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb0af02e990, parent_tid=0x7fb0af02e990, exit_signal=0, stack=0x7fb0af00e000, stack_size=0x20300, tls=0x7fb0af02e6c0}./strace-static-x86_64: Process 5858 attached [pid 5858] rseq(0x7fb0af02efe0, 0x20, 0, 0x53053053) = 0 [pid 5855] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5855] futex(0x7fb0af120318, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7fb0af12031c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] set_robust_list(0x7fb0af02e9a0, 24) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] exit_group(0 [pid 5857] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [ 91.862858][ T10] cfg80211: failed to load regulatory.db [pid 5854] kill(-5855, SIGKILL) = 0 [pid 5854] kill(5855, SIGKILL) = 0 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x55557a21e730 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x55557a21e730 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [ 286.432282][ T31] INFO: task syz-executor380:5855 blocked for more than 143 seconds. [ 286.440581][ T31] Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 [ 286.447710][ T31] Blocked by coredump. [ 286.452693][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.461829][ T31] task:syz-executor380 state:D stack:26408 pid:5855 tgid:5855 ppid:5854 task_flags:0x40004c flags:0x00004002 [ 286.473992][ T31] Call Trace: [ 286.477285][ T31] [ 286.480501][ T31] __schedule+0x1737/0x4d30 [ 286.485085][ T31] ? __lock_acquire+0xab9/0xd20 [ 286.490200][ T31] ? schedule+0x165/0x360 [ 286.494563][ T31] ? __lock_acquire+0xab9/0xd20 [ 286.499454][ T31] ? __pfx___schedule+0x10/0x10 [ 286.504789][ T31] ? schedule+0x91/0x360 [ 286.509080][ T31] schedule+0x165/0x360 [ 286.513480][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.518969][ T31] rwsem_down_read_slowpath+0x5fd/0x8f0 [ 286.525222][ T31] ? rwsem_down_read_slowpath+0x4b8/0x8f0 [ 286.531147][ T31] ? __pfx_rwsem_down_read_slowpath+0x10/0x10 [ 286.537246][ T31] ? exit_mm+0xcc/0x2c0 [ 286.541806][ T31] ? __pfx_mm_release+0x10/0x10 [ 286.546690][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.552178][ T31] down_read+0x98/0x2e0 [ 286.556366][ T31] exit_mm+0xcc/0x2c0 [ 286.560604][ T31] ? __pfx_exit_mm+0x10/0x10 [ 286.565238][ T31] ? rcu_is_watching+0x15/0xb0 [ 286.570269][ T31] do_exit+0x648/0x2300 [ 286.574472][ T31] ? __pfx_do_exit+0x10/0x10 [ 286.579115][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.584687][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.590101][ T31] do_group_exit+0x21c/0x2d0 [ 286.594726][ T31] __x64_sys_exit_group+0x3f/0x40 [ 286.599764][ T31] x64_sys_call+0x21f7/0x2200 [ 286.605020][ T31] do_syscall_64+0xfa/0x3b0 [ 286.609557][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.615037][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.621589][ T31] ? clear_bhb_loop+0x60/0xb0 [ 286.626305][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.632910][ T31] RIP: 0033:0x7fb0af094349 [ 286.637370][ T31] RSP: 002b:00007ffdeb7c1d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 286.646265][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb0af094349 [ 286.654495][ T31] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 286.662728][ T31] RBP: 00007fb0af1202b0 R08: ffffffffffffffb0 R09: 7fffffffffffffff [ 286.670947][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0af1202b0 [ 286.678945][ T31] R13: 0000000000000000 R14: 00007fb0af120e40 R15: 00007fb0af062160 [ 286.687211][ T31] [ 286.690493][ T31] INFO: task syz-executor380:5857 blocked for more than 143 seconds. [ 286.698577][ T31] Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 [ 286.705970][ T31] Blocked by coredump. [ 286.710738][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.719415][ T31] task:syz-executor380 state:D stack:25336 pid:5857 tgid:5855 ppid:5854 task_flags:0x40044c flags:0x00004002 [ 286.731697][ T31] Call Trace: [ 286.735006][ T31] [ 286.737955][ T31] __schedule+0x1737/0x4d30 [ 286.743204][ T31] ? __lock_acquire+0xab9/0xd20 [ 286.748093][ T31] ? schedule+0x165/0x360 [ 286.752750][ T31] ? __lock_acquire+0xab9/0xd20 [ 286.757636][ T31] ? __pfx___schedule+0x10/0x10 [ 286.762769][ T31] ? schedule+0x91/0x360 [ 286.767054][ T31] schedule+0x165/0x360 [ 286.771631][ T31] schedule_preempt_disabled+0x13/0x30 [ 286.777136][ T31] rwsem_down_read_slowpath+0x5fd/0x8f0 [ 286.782909][ T31] ? rwsem_down_read_slowpath+0x4b8/0x8f0 [ 286.788659][ T31] ? __pfx_rwsem_down_read_slowpath+0x10/0x10 [ 286.795036][ T31] ? exit_mm+0xcc/0x2c0 [ 286.799244][ T31] ? __pfx_mm_release+0x10/0x10 [ 286.804343][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.809590][ T31] down_read+0x98/0x2e0 [ 286.814013][ T31] exit_mm+0xcc/0x2c0 [ 286.818026][ T31] ? __pfx_exit_mm+0x10/0x10 [ 286.822879][ T31] ? rcu_is_watching+0x15/0xb0 [ 286.827693][ T31] do_exit+0x648/0x2300 [ 286.832165][ T31] ? do_raw_spin_lock+0x121/0x290 [ 286.837231][ T31] ? __pfx_do_exit+0x10/0x10 [ 286.842888][ T31] do_group_exit+0x21c/0x2d0 [ 286.847525][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.855907][ T31] get_signal+0x1286/0x1340 [ 286.860649][ T31] arch_do_signal_or_restart+0x9a/0x750 [ 286.866231][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.871784][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.877021][ T31] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 286.883405][ T31] ? exit_to_user_mode_loop+0x40/0x110 [ 286.888896][ T31] exit_to_user_mode_loop+0x75/0x110 [ 286.894472][ T31] do_syscall_64+0x2bd/0x3b0 [ 286.899275][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.905701][ T31] ? __switch_to_asm+0x39/0x70 [ 286.910705][ T31] ? clear_bhb_loop+0x60/0xb0 [ 286.915410][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.921512][ T31] RIP: 0033:0x7fb0af0962e9 [ 286.925940][ T31] RSP: 002b:00007fb0af04f228 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.934617][ T31] RAX: fffffffffffffe00 RBX: 00007fb0af120308 RCX: 00007fb0af0962e9 [ 286.942803][ T31] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb0af120308 [ 286.951020][ T31] RBP: 00007fb0af120300 R08: 00007fb0af04f6c0 R09: 00007fb0af04f6c0 [ 286.959101][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb0af12030c [ 286.967742][ T31] R13: 0000200000000000 R14: b635773f06ebbeed R15: 00007ffdeb7c1d08 [ 286.975971][ T31] [ 286.979074][ T31] [ 286.979074][ T31] Showing all locks held in the system: [ 286.987081][ T31] 1 lock held by ksoftirqd/1/23: [ 286.992947][ T31] 1 lock held by khungtaskd/31: [ 286.997806][ T31] #0: ffffffff8e53d8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 287.007963][ T31] 2 locks held by getty/5611: [ 287.012874][ T31] #0: ffff888033db10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.022841][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 287.033182][ T31] 1 lock held by syz-executor380/5855: [ 287.038672][ T31] #0: ffff88807c5e57e0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 [ 287.047751][ T31] 1 lock held by syz-executor380/5857: [ 287.053526][ T31] #0: ffff88807c5e57e0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm+0xcc/0x2c0 [ 287.062571][ T31] 1 lock held by syz-executor380/5858: [ 287.068094][ T31] [ 287.071160][ T31] ============================================= [ 287.071160][ T31] [ 287.079766][ T31] NMI backtrace for cpu 0 [ 287.079792][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) [ 287.079815][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.079827][ T31] Call Trace: [ 287.079835][ T31] [ 287.079849][ T31] dump_stack_lvl+0x189/0x250 [ 287.079886][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.079915][ T31] ? __pfx__printk+0x10/0x10 [ 287.079957][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 287.079986][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.080014][ T31] ? __pfx__printk+0x10/0x10 [ 287.080047][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.080073][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 287.080108][ T31] watchdog+0xf93/0xfe0 [ 287.080136][ T31] ? watchdog+0x1de/0xfe0 [ 287.080163][ T31] kthread+0x70e/0x8a0 [ 287.080196][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.080216][ T31] ? __pfx_kthread+0x10/0x10 [ 287.080248][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.080274][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 287.080300][ T31] ? __pfx_kthread+0x10/0x10 [ 287.080331][ T31] ret_from_fork+0x3f9/0x770 [ 287.080359][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 287.080390][ T31] ? __switch_to_asm+0x39/0x70 [ 287.080406][ T31] ? __switch_to_asm+0x33/0x70 [ 287.080423][ T31] ? __pfx_kthread+0x10/0x10 [ 287.080453][ T31] ret_from_fork_asm+0x1a/0x30 [ 287.080488][ T31] [ 287.222756][ T31] Sending NMI from CPU 0 to CPUs 1: [ 287.228017][ C1] NMI backtrace for cpu 1 [ 287.228032][ C1] CPU: 1 UID: 0 PID: 5858 Comm: syz-executor380 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) [ 287.228052][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.228062][ C1] RIP: 0010:__asan_memset+0x5/0x50 [ 287.228093][ C1] Code: 01 00 00 00 e9 bc e4 ff ff 66 66 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 55 <41> 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 [ 287.228106][ C1] RSP: 0018:ffffc90004306f68 EFLAGS: 00000246 [ 287.228121][ C1] RAX: 1ffff92000860e10 RBX: ffffc90004307080 RCX: 1ffff92000860e01 [ 287.228134][ C1] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90004307098 [ 287.228145][ C1] RBP: dffffc0000000000 R08: 000000000000000c R09: ffffffff81730195 [ 287.228157][ C1] R10: ffffc90004307098 R11: ffffffff81ac9660 R12: ffffc900043073b8 [ 287.228169][ C1] R13: ffffc90004307098 R14: ffffc90004307048 R15: ffffc90004307090 [ 287.228181][ C1] FS: 00007fb0af02e6c0(0000) GS:ffff8881258ab000(0000) knlGS:0000000000000000 [ 287.228196][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.228207][ C1] CR2: 000055e6bc238168 CR3: 0000000074f8c000 CR4: 00000000003526f0 [ 287.228222][ C1] Call Trace: [ 287.228228][ C1] [ 287.228235][ C1] unwind_next_frame+0xc98/0x2390 [ 287.228262][ C1] ? unwind_next_frame+0xa5/0x2390 [ 287.228285][ C1] ? kasan_save_track+0x3e/0x80 [ 287.228303][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.228328][ C1] arch_stack_walk+0x11c/0x150 [ 287.228355][ C1] ? __kasan_slab_alloc+0x6c/0x80 [ 287.228374][ C1] stack_trace_save+0x9c/0xe0 [ 287.228398][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 287.228428][ C1] kasan_save_track+0x3e/0x80 [ 287.228443][ C1] ? kasan_save_track+0x3e/0x80 [ 287.228496][ C1] __kasan_slab_alloc+0x6c/0x80 [ 287.228515][ C1] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 287.228533][ C1] ? vm_area_dup+0x2b/0x680 [ 287.228556][ C1] vm_area_dup+0x2b/0x680 [ 287.228578][ C1] __split_vma+0x1a9/0xa00 [ 287.228593][ C1] ? mas_next_slot+0xc20/0xcf0 [ 287.228619][ C1] ? __pfx___split_vma+0x10/0x10 [ 287.228641][ C1] ? mas_find+0xb0e/0xd30 [ 287.228666][ C1] vms_gather_munmap_vmas+0x4ab/0x12b0 [ 287.228701][ C1] ? __pfx_vms_gather_munmap_vmas+0x10/0x10 [ 287.228730][ C1] ? move_page_tables+0x57a/0x1f50 [ 287.228753][ C1] ? __pfx_copy_vma+0x10/0x10 [ 287.228781][ C1] do_vmi_align_munmap+0x25d/0x420 [ 287.228815][ C1] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 287.228855][ C1] do_vmi_munmap+0x253/0x2e0 [ 287.228887][ C1] do_munmap+0xe1/0x140 [ 287.228906][ C1] ? __pfx_do_munmap+0x10/0x10 [ 287.228927][ C1] ? bpf_lsm_mmap_addr+0x9/0x20 [ 287.228943][ C1] ? security_mmap_addr+0x71/0x270 [ 287.228969][ C1] mremap_to+0x2df/0x7a0 [ 287.228997][ C1] ? __pfx_mremap_to+0x10/0x10 [ 287.229024][ C1] ? check_prep_vma+0x740/0xae0 [ 287.229053][ C1] __se_sys_mremap+0xa0b/0xef0 [ 287.229088][ C1] ? __pfx___se_sys_mremap+0x10/0x10 [ 287.229115][ C1] ? __pfx_ptrace_notify+0x10/0x10 [ 287.229143][ C1] ? __x64_sys_mremap+0x20/0xc0 [ 287.229167][ C1] do_syscall_64+0xfa/0x3b0 [ 287.229193][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.229221][ C1] ? __switch_to_asm+0x39/0x70 [ 287.229235][ C1] ? clear_bhb_loop+0x60/0xb0 [ 287.229254][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.229269][ C1] RIP: 0033:0x7fb0af0962e9 [ 287.229283][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 287.229295][ C1] RSP: 002b:00007fb0af02e228 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 287.229311][ C1] RAX: ffffffffffffffda RBX: 00007fb0af120318 RCX: 00007fb0af0962e9 [ 287.229322][ C1] RDX: 0000000000600002 RSI: 0000000000600002 RDI: 0000200000000000 [ 287.229333][ C1] RBP: 00007fb0af120310 R08: 0000200000a00000 R09: 00007fb0af02e6c0 [ 287.229344][ C1] R10: 0000000000000007 R11: 0000000000000246 R12: 00007fb0af12031c [ 287.229354][ C1] R13: 0000200000000000 R14: b635773f06ebbeed R15: 00007ffdeb7c1d08 [ 287.229374][ C1] [ 287.229381][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.366 msecs [ 287.644787][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 287.651652][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) [ 287.662934][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.672981][ T31] Call Trace: [ 287.676251][ T31] [ 287.679176][ T31] dump_stack_lvl+0x99/0x250 [ 287.683789][ T31] ? __asan_memcpy+0x40/0x70 [ 287.688380][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.693581][ T31] ? __pfx__printk+0x10/0x10 [ 287.698181][ T31] vpanic+0x281/0x750 [ 287.702168][ T31] ? __pfx_vpanic+0x10/0x10 [ 287.706754][ T31] ? preempt_schedule+0xae/0xc0 [ 287.711618][ T31] ? preempt_schedule_common+0x83/0xd0 [ 287.717100][ T31] panic+0xb9/0xc0 [ 287.720840][ T31] ? __pfx_panic+0x10/0x10 [ 287.725257][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 287.730806][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 287.736964][ T31] watchdog+0xfd2/0xfe0 [ 287.741141][ T31] ? watchdog+0x1de/0xfe0 [ 287.745503][ T31] kthread+0x70e/0x8a0 [ 287.749588][ T31] ? __pfx_watchdog+0x10/0x10 [ 287.754269][ T31] ? __pfx_kthread+0x10/0x10 [ 287.758875][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.764085][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 287.769292][ T31] ? __pfx_kthread+0x10/0x10 [ 287.773891][ T31] ret_from_fork+0x3f9/0x770 [ 287.778492][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 287.783627][ T31] ? __switch_to_asm+0x39/0x70 [ 287.788388][ T31] ? __switch_to_asm+0x33/0x70 [ 287.793146][ T31] ? __pfx_kthread+0x10/0x10 [ 287.797738][ T31] ret_from_fork_asm+0x1a/0x30 [ 287.802526][ T31] [ 287.805922][ T31] Kernel Offset: disabled [ 287.810263][ T31] Rebooting in 86400 seconds..