./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1180191174 <...> Warning: Permanently added '10.128.0.243' (ED25519) to the list of known hosts. execve("./syz-executor1180191174", ["./syz-executor1180191174"], 0x7fff68867040 /* 10 vars */) = 0 brk(NULL) = 0x555555acb000 brk(0x555555acbd00) = 0x555555acbd00 arch_prctl(ARCH_SET_FS, 0x555555acb380) = 0 set_tid_address(0x555555acb650) = 5026 set_robust_list(0x555555acb660, 24) = 0 rseq(0x555555acbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1180191174", 4096) = 28 getrandom("\x3e\x4e\xbc\xc3\xfd\x1d\x9c\x64", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555acbd00 brk(0x555555aecd00) = 0x555555aecd00 brk(0x555555aed000) = 0x555555aed000 mprotect(0x7fb68ee4c000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555acb650) = 5027 ./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x555555acb660, 24) = 0 [pid 5027] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setsid() = 1 [pid 5027] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5027] unshare(CLONE_NEWNS) = 0 [pid 5027] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5027] unshare(CLONE_NEWIPC) = 0 [pid 5027] unshare(CLONE_NEWCGROUP) = 0 [pid 5027] unshare(CLONE_NEWUTS) = 0 [pid 5027] unshare(CLONE_SYSVSEM) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "16777216", 8) = 8 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "536870912", 9) = 9 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "8192", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5027] close(3) = 0 [pid 5027] getpid() = 1 [pid 5027] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b bb f4 ff ff ff eb b6 e8 ab 55 be ff 49 ff ce e9 ca fd ff ff [ 69.574432][ T5030] RSP: 0018:ffffc90003a6ee88 EFLAGS: 00010293 [ 69.582350][ T5030] RAX: ffffffff81cf4377 RBX: 0000000000000000 RCX: ffff888025da0000 [ 69.590506][ T5030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 69.598816][ T5030] RBP: 000000000000000e R08: ffffffff81cf418c R09: 1ffffd400039097e [ 69.607134][ T5030] R10: dffffc0000000000 R11: fffff9400039097f R12: ffffea0001c84bf4 [ 69.615465][ T5030] R13: dffffc0000000000 R14: ffffea0001c84bc0 R15: ffffea0001c84bc0 [ 69.623751][ T5030] FS: 0000555555acb380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 69.633235][ T5030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.639981][ T5030] CR2: 0000000020008000 CR3: 00000000736e9000 CR4: 00000000003506e0 [ 69.649624][ T5030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.658298][ T5030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.666500][ T5030] Call Trace: [ 69.669826][ T5030] [ 69.673365][ T5030] ? __warn+0x162/0x4a0 [ 69.677866][ T5030] ? try_grab_page+0x287/0x460 [ 69.682927][ T5030] ? report_bug+0x2b3/0x500 [ 69.688077][ T5030] ? try_grab_page+0x287/0x460 [ 69.692945][ T5030] ? handle_bug+0x3d/0x70 [ 69.697362][ T5030] ? exc_invalid_op+0x1a/0x50 [ 69.702260][ T5030] ? asm_exc_invalid_op+0x1a/0x20 [ 69.707464][ T5030] ? try_grab_page+0x9c/0x460 [ 69.712215][ T5030] ? try_grab_page+0x287/0x460 [ 69.717233][ T5030] ? try_grab_page+0x287/0x460 [ 69.722127][ T5030] ? try_grab_page+0x287/0x460 [ 69.727048][ T5030] follow_page_pte+0x560/0x18f0 [ 69.731954][ T5030] ? mt_find+0x5e3/0x780 [ 69.736254][ T5030] ? folio_test_hugetlb+0x1d0/0x1d0 [ 69.741490][ T5030] ? mtree_destroy+0x30/0x30 [ 69.746141][ T5030] follow_page_mask+0x7dc/0xe20 [ 69.751149][ T5030] ? follow_page+0x160/0x160 [ 69.756265][ T5030] ? vma_is_secretmem+0xd/0x40 [ 69.761113][ T5030] ? check_vma_flags+0x4ff/0x5a0 [ 69.766139][ T5030] __get_user_pages+0x643/0x15e0 [ 69.771123][ T5030] ? xfs_file_buffered_write+0x62d/0xa90 [ 69.777476][ T5030] ? xfs_iunlock+0x1d7/0x330 [ 69.782546][ T5030] ? populate_vma_page_range+0x370/0x370 [ 69.788283][ T5030] ? get_dump_page+0xe3/0x2b0 [ 69.793036][ T5030] ? down_read_killable+0x1d4/0x350 [ 69.798351][ T5030] get_dump_page+0x146/0x2b0 [ 69.803089][ T5030] ? fault_in_readable+0x2b0/0x2b0 [ 69.808457][ T5030] ? generic_file_llseek_size+0x34c/0x3a0 [ 69.814257][ T5030] ? iov_iter_bvec+0x4e/0x1e0 [ 69.819611][ T5030] dump_user_range+0x126/0x910 [ 69.824428][ T5030] ? dump_skip+0x40/0x40 [ 69.828750][ T5030] ? writenote+0x250/0x3b0 [ 69.834101][ T5030] ? dump_emit+0x99/0xd0 [ 69.838430][ T5030] elf_core_dump+0x3b75/0x4490 [ 69.844138][ T5030] ? syscall_exit_to_user_mode+0x64/0x280 [ 69.850032][ T5030] ? load_elf_binary+0x2760/0x2760 [ 69.855280][ T5030] ? up_write+0x1a9/0x580 [ 69.859722][ T5030] ? __might_sleep+0xc0/0xc0 [ 69.864365][ T5030] ? 0xffffffffff600000 [ 69.868586][ T5030] ? getname_kernel+0x140/0x2e0 [ 69.874020][ T5030] ? preempt_count_add+0x93/0x180 [ 69.879295][ T5030] do_coredump+0x1b73/0x2ab0 [ 69.884655][ T5030] ? nfs_ssc_unregister+0x30/0x30 [ 69.889764][ T5030] ? rcu_is_watching+0x15/0xb0 [ 69.894580][ T5030] get_signal+0x145e/0x1840 [ 69.899184][ T5030] ? ptrace_notify+0x380/0x380 [ 69.904004][ T5030] arch_do_signal_or_restart+0x96/0x860 [ 69.909727][ T5030] ? rcu_is_watching+0x15/0xb0 [ 69.914538][ T5030] ? get_sigframe_size+0x20/0x20 [ 69.919581][ T5030] ? rcu_is_watching+0x15/0xb0 [ 69.924401][ T5030] exit_to_user_mode_loop+0x6a/0x100 [ 69.929783][ T5030] exit_to_user_mode_prepare+0xb1/0x140 [ 69.935398][ T5030] syscall_exit_to_user_mode+0x64/0x280 [ 69.940999][ T5030] do_syscall_64+0x4d/0xc0 [ 69.945512][ T5030] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.951478][ T5030] RIP: 0033:0x7fb68edcf0f9 [ 69.956032][ T5030] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 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 b8 ff ff ff f7 d8 64 89 01 48 [ 69.975803][ T5030] RSP: 002b:00007ffc8b18d558 EFLAGS: 00000246 ORIG_RAX: 000000000000004d [ 69.984252][ T5030] RAX: ffffffffffffffe5 RBX: 0000000000000003 RCX: 00007fb68edcf0f9 [ 69.992283][ T5030] RDX: 0000000000000000 RSI: 0000000100000001 RDI: 0000000000000006 [ 70.000438][ T5030] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555500000000 [ 70.008590][ T5030] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 70.016822][ T5030] R13: 00007ffc8b18d7c8 R14: 0000000000000001 R15: 00007ffc8b18d590 [ 70.024955][ T5030] [ 70.028164][ T5030] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 70.035488][ T5030] CPU: 1 PID: 5030 Comm: syz-executor118 Not tainted 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0 [ 70.045665][ T5030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 70.055828][ T5030] Call Trace: [ 70.059124][ T5030] [ 70.062081][ T5030] dump_stack_lvl+0x1e7/0x2d0 [ 70.068365][ T5030] ? nf_tcp_handle_invalid+0x650/0x650 [ 70.074418][ T5030] ? panic+0x770/0x770 [ 70.078567][ T5030] ? vscnprintf+0x5d/0x80 [ 70.083283][ T5030] panic+0x30f/0x770 [ 70.087413][ T5030] ? __warn+0x171/0x4a0 [ 70.091695][ T5030] ? __memcpy_flushcache+0x2b0/0x2b0 [ 70.097107][ T5030] __warn+0x314/0x4a0 [ 70.101110][ T5030] ? try_grab_page+0x287/0x460 [ 70.105894][ T5030] report_bug+0x2b3/0x500 [ 70.110341][ T5030] ? try_grab_page+0x287/0x460 [ 70.115237][ T5030] handle_bug+0x3d/0x70 [ 70.119435][ T5030] exc_invalid_op+0x1a/0x50 [ 70.124252][ T5030] asm_exc_invalid_op+0x1a/0x20 [ 70.129250][ T5030] RIP: 0010:try_grab_page+0x287/0x460 [ 70.135049][ T5030] Code: 01 49 8d 7e 60 be 04 00 00 00 e8 54 41 18 00 f0 41 83 46 60 01 42 80 3c 2b 00 0f 85 6a ff ff ff e9 6d ff ff ff e8 b9 55 be ff <0f> 0b bb f4 ff ff ff eb b6 e8 ab 55 be ff 49 ff ce e9 ca fd ff ff [ 70.154955][ T5030] RSP: 0018:ffffc90003a6ee88 EFLAGS: 00010293 [ 70.161419][ T5030] RAX: ffffffff81cf4377 RBX: 0000000000000000 RCX: ffff888025da0000 [ 70.169408][ T5030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.177673][ T5030] RBP: 000000000000000e R08: ffffffff81cf418c R09: 1ffffd400039097e [ 70.185862][ T5030] R10: dffffc0000000000 R11: fffff9400039097f R12: ffffea0001c84bf4 [ 70.193898][ T5030] R13: dffffc0000000000 R14: ffffea0001c84bc0 R15: ffffea0001c84bc0 [ 70.202009][ T5030] ? try_grab_page+0x9c/0x460 [ 70.206724][ T5030] ? try_grab_page+0x287/0x460 [ 70.212770][ T5030] ? try_grab_page+0x287/0x460 [ 70.218018][ T5030] follow_page_pte+0x560/0x18f0 [ 70.222910][ T5030] ? mt_find+0x5e3/0x780 [ 70.227180][ T5030] ? folio_test_hugetlb+0x1d0/0x1d0 [ 70.232507][ T5030] ? mtree_destroy+0x30/0x30 [ 70.237137][ T5030] follow_page_mask+0x7dc/0xe20 [ 70.243011][ T5030] ? follow_page+0x160/0x160 [ 70.247633][ T5030] ? vma_is_secretmem+0xd/0x40 [ 70.252622][ T5030] ? check_vma_flags+0x4ff/0x5a0 [ 70.257597][ T5030] __get_user_pages+0x643/0x15e0 [ 70.262583][ T5030] ? xfs_file_buffered_write+0x62d/0xa90 [ 70.268340][ T5030] ? xfs_iunlock+0x1d7/0x330 [ 70.273060][ T5030] ? populate_vma_page_range+0x370/0x370 [ 70.278730][ T5030] ? get_dump_page+0xe3/0x2b0 [ 70.283434][ T5030] ? down_read_killable+0x1d4/0x350 [ 70.289259][ T5030] get_dump_page+0x146/0x2b0 [ 70.294139][ T5030] ? fault_in_readable+0x2b0/0x2b0 [ 70.300161][ T5030] ? generic_file_llseek_size+0x34c/0x3a0 [ 70.306011][ T5030] ? iov_iter_bvec+0x4e/0x1e0 [ 70.310725][ T5030] dump_user_range+0x126/0x910 [ 70.315636][ T5030] ? dump_skip+0x40/0x40 [ 70.319921][ T5030] ? writenote+0x250/0x3b0 [ 70.324658][ T5030] ? dump_emit+0x99/0xd0 [ 70.329651][ T5030] elf_core_dump+0x3b75/0x4490 [ 70.334516][ T5030] ? syscall_exit_to_user_mode+0x64/0x280 [ 70.340293][ T5030] ? load_elf_binary+0x2760/0x2760 [ 70.345475][ T5030] ? up_write+0x1a9/0x580 [ 70.349850][ T5030] ? __might_sleep+0xc0/0xc0 [ 70.354492][ T5030] ? 0xffffffffff600000 [ 70.358664][ T5030] ? getname_kernel+0x140/0x2e0 [ 70.363550][ T5030] ? preempt_count_add+0x93/0x180 [ 70.368621][ T5030] do_coredump+0x1b73/0x2ab0 [ 70.373266][ T5030] ? nfs_ssc_unregister+0x30/0x30 [ 70.378353][ T5030] ? rcu_is_watching+0x15/0xb0 [ 70.383131][ T5030] get_signal+0x145e/0x1840 [ 70.387797][ T5030] ? ptrace_notify+0x380/0x380 [ 70.392625][ T5030] arch_do_signal_or_restart+0x96/0x860 [ 70.398214][ T5030] ? rcu_is_watching+0x15/0xb0 [ 70.403096][ T5030] ? get_sigframe_size+0x20/0x20 [ 70.408089][ T5030] ? rcu_is_watching+0x15/0xb0 [ 70.412884][ T5030] exit_to_user_mode_loop+0x6a/0x100 [ 70.418194][ T5030] exit_to_user_mode_prepare+0xb1/0x140 [ 70.423767][ T5030] syscall_exit_to_user_mode+0x64/0x280 [ 70.429346][ T5030] do_syscall_64+0x4d/0xc0 [ 70.434225][ T5030] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 70.440170][ T5030] RIP: 0033:0x7fb68edcf0f9 [ 70.444594][ T5030] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 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 b8 ff ff ff f7 d8 64 89 01 48 [ 70.464302][ T5030] RSP: 002b:00007ffc8b18d558 EFLAGS: 00000246 ORIG_RAX: 000000000000004d [ 70.472732][ T5030] RAX: ffffffffffffffe5 RBX: 0000000000000003 RCX: 00007fb68edcf0f9 [ 70.480733][ T5030] RDX: 0000000000000000 RSI: 0000000100000001 RDI: 0000000000000006 [ 70.488715][ T5030] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555500000000 [ 70.496696][ T5030] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 70.504677][ T5030] R13: 00007ffc8b18d7c8 R14: 0000000000000001 R15: 00007ffc8b18d590 [ 70.512668][ T5030] [ 70.515921][ T5030] Kernel Offset: disabled [ 70.520256][ T5030] Rebooting in 86400 seconds..