./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor228107558 <...> Warning: Permanently added '10.128.1.53' (ED25519) to the list of known hosts. execve("./syz-executor228107558", ["./syz-executor228107558"], 0x7ffdcd8beb60 /* 10 vars */) = 0 brk(NULL) = 0x55556c269000 brk(0x55556c269d00) = 0x55556c269d00 arch_prctl(ARCH_SET_FS, 0x55556c269380) = 0 set_tid_address(0x55556c269650) = 5827 set_robust_list(0x55556c269660, 24) = 0 rseq(0x55556c269ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor228107558", 4096) = 27 getrandom("\x36\xdf\xab\x9b\x88\xdb\x87\xfc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556c269d00 brk(0x55556c28ad00) = 0x55556c28ad00 brk(0x55556c28b000) = 0x55556c28b000 mprotect(0x7f1194a8f000, 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./strace-static-x86_64: Process 5828 attached , child_tidptr=0x55556c269650) = 5828 [pid 5828] set_robust_list(0x55556c269660, 24) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] getppid() = 0 [pid 5828] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5828] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5828] unshare(CLONE_NEWNS) = 0 [pid 5828] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5828] unshare(CLONE_NEWIPC) = 0 [pid 5828] unshare(CLONE_NEWCGROUP) = 0 [pid 5828] unshare(CLONE_NEWUTS) = 0 [pid 5828] unshare(CLONE_SYSVSEM) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "16777216", 8) = 8 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "536870912", 9) = 9 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "8192", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5828] close(3) = 0 [pid 5828] getpid() = 1 [pid 5828] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5831] set_robust_list(0x55556c269660, 24) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] <... clone resumed>, child_tidptr=0x55556c269650) = 2 [pid 5831] <... prctl resumed>) = 0 [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1000", 4) = 4 [pid 5831] close(3) = 0 executing program [pid 5831] write(1, "executing program\n", 18) = 18 [pid 5831] memfd_create("syzkaller", 0) = 3 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5831] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5831] munmap(0x7f118c400000, 138412032) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5831] close(3) = 0 [pid 5831] close(4) = 0 [pid 5831] mkdir("./file1", 0777) = 0 [ 77.569127][ T5831] loop0: detected capacity change from 0 to 32768 [ 77.614082][ T5831] ======================================================= [ 77.614082][ T5831] WARNING: The mand mount option has been deprecated and [ 77.614082][ T5831] and is ignored by this kernel. Remove the mand [ 77.614082][ T5831] option from the mount to silence this warning. [ 77.614082][ T5831] ======================================================= [pid 5831] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,errors=remount-ro,acl"...) = 0 [pid 5831] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] chdir("./file1") = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5831] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5831] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [ 77.662409][ T5831] ocfs2: Slot 0 on device (7,0) was already allocated to this node! [ 77.678938][ T5831] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 77.702534][ T5831] [ 77.704908][ T5831] ====================================================== [ 77.711931][ T5831] WARNING: possible circular locking dependency detected [ 77.718964][ T5831] 6.12.0-next-20241128-syzkaller #0 Not tainted [ 77.725206][ T5831] ------------------------------------------------------ [ 77.732233][ T5831] syz-executor228/5831 is trying to acquire lock: [ 77.738664][ T5831] ffff8880770c5be0 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 77.749338][ T5831] [ 77.749338][ T5831] but task is already holding lock: [ 77.756726][ T5831] ffff8880770c5c78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 77.767363][ T5831] [ 77.767363][ T5831] which lock already depends on the new lock. [ 77.767363][ T5831] [ 77.777855][ T5831] [ 77.777855][ T5831] the existing dependency chain (in reverse order) is: [ 77.786878][ T5831] [ 77.786878][ T5831] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 77.794735][ T5831] lock_acquire+0x1ed/0x550 [ 77.799763][ T5831] down_read+0xb1/0xa40 [ 77.804474][ T5831] ocfs2_init_acl+0x397/0x930 [ 77.809691][ T5831] ocfs2_mknod+0x1c05/0x2b30 [ 77.814819][ T5831] ocfs2_create+0x1ab/0x470 [ 77.819969][ T5831] path_openat+0x1c03/0x3590 [ 77.825089][ T5831] do_filp_open+0x27f/0x4e0 [ 77.830123][ T5831] filp_open+0x261/0x2d0 [ 77.834891][ T5831] do_coredump+0x1fa7/0x2e60 [ 77.840009][ T5831] get_signal+0x140b/0x1750 [ 77.845041][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 77.851117][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 77.857196][ T5831] do_syscall_64+0x100/0x230 [ 77.862426][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.868850][ T5831] [ 77.868850][ T5831] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 77.876179][ T5831] lock_acquire+0x1ed/0x550 [ 77.881207][ T5831] start_this_handle+0x1eb4/0x2110 [ 77.886853][ T5831] jbd2__journal_start+0x2da/0x5d0 [ 77.892530][ T5831] jbd2_journal_start+0x29/0x40 [ 77.897915][ T5831] ocfs2_start_trans+0x3c9/0x700 [ 77.903405][ T5831] ocfs2_mknod+0x150c/0x2b30 [ 77.908528][ T5831] ocfs2_create+0x1ab/0x470 [ 77.913557][ T5831] path_openat+0x1c03/0x3590 [ 77.918683][ T5831] do_filp_open+0x27f/0x4e0 [ 77.923742][ T5831] filp_open+0x261/0x2d0 [ 77.928526][ T5831] do_coredump+0x1fa7/0x2e60 [ 77.933645][ T5831] get_signal+0x140b/0x1750 [ 77.938703][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 77.944807][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 77.950880][ T5831] do_syscall_64+0x100/0x230 [ 77.956023][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.962437][ T5831] [ 77.962437][ T5831] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 77.970966][ T5831] lock_acquire+0x1ed/0x550 [ 77.976006][ T5831] down_read+0xb1/0xa40 [ 77.980702][ T5831] ocfs2_start_trans+0x3be/0x700 [ 77.986171][ T5831] ocfs2_mknod+0x150c/0x2b30 [ 77.991315][ T5831] ocfs2_create+0x1ab/0x470 [ 77.996356][ T5831] path_openat+0x1c03/0x3590 [ 78.001487][ T5831] do_filp_open+0x27f/0x4e0 [ 78.006520][ T5831] filp_open+0x261/0x2d0 [ 78.011296][ T5831] do_coredump+0x1fa7/0x2e60 [ 78.016407][ T5831] get_signal+0x140b/0x1750 [ 78.021434][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 78.027508][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 78.033569][ T5831] do_syscall_64+0x100/0x230 [ 78.038675][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.045095][ T5831] [ 78.045095][ T5831] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 78.052599][ T5831] lock_acquire+0x1ed/0x550 [ 78.057627][ T5831] ocfs2_start_trans+0x2b9/0x700 [ 78.063084][ T5831] ocfs2_truncate_file+0x69a/0x1560 [ 78.068805][ T5831] ocfs2_setattr+0x1890/0x1ef0 [ 78.074098][ T5831] notify_change+0xbca/0xe90 [ 78.079210][ T5831] do_truncate+0x220/0x310 [ 78.084145][ T5831] do_coredump+0x27f2/0x2e60 [ 78.089257][ T5831] get_signal+0x140b/0x1750 [ 78.094284][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 78.100358][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 78.106421][ T5831] do_syscall_64+0x100/0x230 [ 78.111534][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.117946][ T5831] [ 78.117946][ T5831] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 78.125773][ T5831] validate_chain+0x18ef/0x5920 [ 78.131235][ T5831] __lock_acquire+0x1397/0x2100 [ 78.136604][ T5831] lock_acquire+0x1ed/0x550 [ 78.141627][ T5831] down_write+0x99/0x220 [ 78.146392][ T5831] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 78.152891][ T5831] ocfs2_truncate_file+0xe1b/0x1560 [ 78.158609][ T5831] ocfs2_setattr+0x1890/0x1ef0 [ 78.163897][ T5831] notify_change+0xbca/0xe90 [ 78.169006][ T5831] do_truncate+0x220/0x310 [ 78.173941][ T5831] do_coredump+0x27f2/0x2e60 [ 78.179051][ T5831] get_signal+0x140b/0x1750 [ 78.184090][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 78.190161][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 78.196223][ T5831] do_syscall_64+0x100/0x230 [ 78.201329][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.207744][ T5831] [ 78.207744][ T5831] other info that might help us debug this: [ 78.207744][ T5831] [ 78.217963][ T5831] Chain exists of: [ 78.217963][ T5831] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 78.217963][ T5831] [ 78.231002][ T5831] Possible unsafe locking scenario: [ 78.231002][ T5831] [ 78.238462][ T5831] CPU0 CPU1 [ 78.243821][ T5831] ---- ---- [ 78.249175][ T5831] lock(&oi->ip_xattr_sem); [ 78.253801][ T5831] lock(jbd2_handle); [ 78.260388][ T5831] lock(&oi->ip_xattr_sem); [ 78.267526][ T5831] lock(&oi->ip_alloc_sem); [ 78.272143][ T5831] [ 78.272143][ T5831] *** DEADLOCK *** [ 78.272143][ T5831] [ 78.280277][ T5831] 2 locks held by syz-executor228/5831: [ 78.285835][ T5831] #0: ffff8880770c5f40 (&sb->s_type->i_mutex_key#17){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 78.296221][ T5831] #1: ffff8880770c5c78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 78.307296][ T5831] [ 78.307296][ T5831] stack backtrace: [ 78.313220][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor228 Not tainted 6.12.0-next-20241128-syzkaller #0 [ 78.323556][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 78.333703][ T5831] Call Trace: [ 78.336985][ T5831] [ 78.339921][ T5831] dump_stack_lvl+0x241/0x360 [ 78.344606][ T5831] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.349834][ T5831] ? __pfx__printk+0x10/0x10 [ 78.354435][ T5831] print_circular_bug+0x13a/0x1b0 [ 78.359468][ T5831] check_noncircular+0x36a/0x4a0 [ 78.364410][ T5831] ? __pfx_check_noncircular+0x10/0x10 [ 78.369873][ T5831] ? lockdep_lock+0x123/0x2b0 [ 78.374564][ T5831] validate_chain+0x18ef/0x5920 [ 78.379431][ T5831] ? __pfx_validate_chain+0x10/0x10 [ 78.384747][ T5831] ? stack_trace_save+0x118/0x1d0 [ 78.389771][ T5831] ? __pfx_stack_trace_save+0x10/0x10 [ 78.395218][ T5831] ? lockdep_unlock+0x16a/0x300 [ 78.400108][ T5831] ? mark_lock+0x9a/0x360 [ 78.404455][ T5831] __lock_acquire+0x1397/0x2100 [ 78.409316][ T5831] lock_acquire+0x1ed/0x550 [ 78.413856][ T5831] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 78.420035][ T5831] ? __pfx_lock_acquire+0x10/0x10 [ 78.425064][ T5831] ? __pfx___might_resched+0x10/0x10 [ 78.430349][ T5831] ? ocfs2_truncate_file+0xd45/0x1560 [ 78.435729][ T5831] ? __pfx_lock_release+0x10/0x10 [ 78.440756][ T5831] down_write+0x99/0x220 [ 78.445025][ T5831] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 78.451285][ T5831] ? __pfx_down_write+0x10/0x10 [ 78.456146][ T5831] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 78.462131][ T5831] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 78.468728][ T5831] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 78.474826][ T5831] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 78.480546][ T5831] ocfs2_truncate_file+0xe1b/0x1560 [ 78.485755][ T5831] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 78.491494][ T5831] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 78.497138][ T5831] ? do_raw_spin_unlock+0x13c/0x8b0 [ 78.502337][ T5831] ? __asan_memset+0x23/0x50 [ 78.506933][ T5831] ? _raw_spin_unlock+0x28/0x50 [ 78.511809][ T5831] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 78.517560][ T5831] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 78.523626][ T5831] ? ocfs2_rw_lock+0x13e/0x260 [ 78.528496][ T5831] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 78.533726][ T5831] ? setattr_prepare+0x1f5/0xb20 [ 78.538707][ T5831] ? jbd2_journal_begin_ordered_truncate+0xc0/0x160 [ 78.545319][ T5831] ocfs2_setattr+0x1890/0x1ef0 [ 78.550129][ T5831] ? __pfx_ocfs2_setattr+0x10/0x10 [ 78.555250][ T5831] ? seqcount_lockdep_reader_access+0x1d7/0x220 [ 78.561499][ T5831] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10 [ 78.568098][ T5831] ? ktime_get_coarse_real_ts64_mg+0x207/0x220 [ 78.574265][ T5831] ? current_time+0x282/0x3c0 [ 78.578955][ T5831] ? evm_inode_setattr+0x1b2/0x7d0 [ 78.584078][ T5831] ? security_inode_setattr+0xdb/0x350 [ 78.589536][ T5831] ? __pfx_ocfs2_setattr+0x10/0x10 [ 78.594678][ T5831] notify_change+0xbca/0xe90 [ 78.599279][ T5831] do_truncate+0x220/0x310 [ 78.603698][ T5831] ? __pfx_do_truncate+0x10/0x10 [ 78.608659][ T5831] ? getname_kernel+0x140/0x2f0 [ 78.613600][ T5831] do_coredump+0x27f2/0x2e60 [ 78.618241][ T5831] ? __pfx_do_coredump+0x10/0x10 [ 78.623189][ T5831] ? do_raw_spin_lock+0x14f/0x370 [ 78.628227][ T5831] ? proc_coredump_connector+0x1e8/0x750 [ 78.633866][ T5831] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.639865][ T5831] ? __pfx_proc_coredump_connector+0x10/0x10 [ 78.645862][ T5831] ? _raw_spin_unlock_irq+0x23/0x50 [ 78.651065][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 78.656264][ T5831] get_signal+0x140b/0x1750 [ 78.660780][ T5831] ? __pfx_get_signal+0x10/0x10 [ 78.665726][ T5831] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 78.671654][ T5831] arch_do_signal_or_restart+0x96/0x860 [ 78.677209][ T5831] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 78.683391][ T5831] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.689379][ T5831] ? syscall_exit_to_user_mode+0xa3/0x340 [ 78.695103][ T5831] syscall_exit_to_user_mode+0xce/0x340 [ 78.700653][ T5831] do_syscall_64+0x100/0x230 [ 78.705257][ T5831] ? clear_bhb_loop+0x35/0x90 [ 78.709945][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.715941][ T5831] RIP: 0033:0x7f1194a131c9 [ 78.720360][ T5831] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 78.739991][ T5831] RSP: 002b:00007ffee8043d28 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 78.748425][ T5831] RAX: 000000000000013f RBX: 00007ffee8043d70 RCX: 00007f1194a131c9 [ 78.756397][ T5831] RDX: 0000000000004435 RSI: 0000000000000000 RDI: 00007f1194a5c02b [ 78.764370][ T5831] RBP: 0000000020000040 R08: 00007ffee8043a77 R09: 00000003ffffffff [ 78.772346][ T5831] R10: 000000000000000a R11: 0000000000000246 R12: 0000000020004480 [ 78.780325][ T5831] R13: 0000000000004435 R14: 00000000000008c0 R15: 0000000020000100 [ 78.788324][ T5831] [pid 5831] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=2, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached , child_tidptr=0x55556c269650) = 3 [pid 5834] set_robust_list(0x55556c269660, 24) = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] setpgid(0, 0) = 0 [ 78.843586][ T5831] syz-executor228 (5831) used greatest stack depth: 17424 bytes left [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1000", 4) = 4 [pid 5834] close(3) = 0 executing program [pid 5834] write(1, "executing program\n", 18) = 18 [pid 5834] memfd_create("syzkaller", 0) = 3 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5834] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5834] munmap(0x7f118c400000, 138412032) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5834] close(3) = 0 [pid 5834] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5834] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5834] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5834] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=3, si_uid=0, si_status=SIGSYS, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached , child_tidptr=0x55556c269650) = 4 [pid 5835] set_robust_list(0x55556c269660, 24) = 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 [pid 5835] write(1, "executing program\n", 18executing program ) = 18 [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5835] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5835] munmap(0x7f118c400000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] close(3) = 0 [pid 5835] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5835] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5835] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5835] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=4, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached , child_tidptr=0x55556c269650) = 5 [pid 5836] set_robust_list(0x55556c269660, 24) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] setpgid(0, 0) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 executing program [pid 5836] write(1, "executing program\n", 18) = 18 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5836] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5836] munmap(0x7f118c400000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] close(3) = 0 [pid 5836] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5836] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5836] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5836] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=5, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached , child_tidptr=0x55556c269650) = 6 [pid 5837] set_robust_list(0x55556c269660, 24) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] setpgid(0, 0) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1000", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] write(1, "executing program\n", 18executing program ) = 18 [pid 5837] memfd_create("syzkaller", 0) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5837] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5837] munmap(0x7f118c400000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(3) = 0 [pid 5837] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5837] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5837] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5837] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=6, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached , child_tidptr=0x55556c269650) = 7 [pid 5838] set_robust_list(0x55556c269660, 24) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5838] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5838] munmap(0x7f118c400000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(3) = 0 [pid 5838] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5838] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5838] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5838] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=7, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached , child_tidptr=0x55556c269650) = 8 [pid 5839] set_robust_list(0x55556c269660, 24) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5839] munmap(0x7f118c400000, 138412032) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] close(3) = 0 [pid 5839] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5839] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5839] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5839] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=8, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached , child_tidptr=0x55556c269650) = 9 [pid 5840] set_robust_list(0x55556c269660, 24) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3executing program ) = 0 [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5840] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5840] munmap(0x7f118c400000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] close(3) = 0 [pid 5840] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5840] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5840] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5840] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=9, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c269650) = 10 ./strace-static-x86_64: Process 5841 attached [pid 5841] set_robust_list(0x55556c269660, 24) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] setpgid(0, 0) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1000", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] write(1, "executing program\n", 18executing program ) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5841] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5841] munmap(0x7f118c400000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(3) = 0 [pid 5841] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5841] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5841] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5841] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=10, si_uid=0, si_status=SIGSYS, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached , child_tidptr=0x55556c269650) = 11 [pid 5842] set_robust_list(0x55556c269660, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5842] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5842] munmap(0x7f118c400000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] close(3) = 0 [pid 5842] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5842] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5842] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5842] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=11, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached , child_tidptr=0x55556c269650) = 12 [pid 5843] set_robust_list(0x55556c269660, 24) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1000", 4) = 4 [pid 5843] close(3) = 0 executing program [pid 5843] write(1, "executing program\n", 18) = 18 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5843] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5843] munmap(0x7f118c400000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] close(3) = 0 [pid 5843] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5843] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5843] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5843] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=12, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached , child_tidptr=0x55556c269650) = 13 [pid 5844] set_robust_list(0x55556c269660, 24) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 executing program [pid 5844] write(1, "executing program\n", 18) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5844] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5844] munmap(0x7f118c400000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(3) = 0 [pid 5844] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5844] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5844] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5844] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=13, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c269650) = 14 ./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x55556c269660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] write(1, "executing program\n", 18executing program ) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5845] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5845] munmap(0x7f118c400000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(3) = 0 [pid 5845] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5845] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5845] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5845] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=14, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached , child_tidptr=0x55556c269650) = 15 [pid 5846] set_robust_list(0x55556c269660, 24) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 [pid 5846] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5846] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5846] munmap(0x7f118c400000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(3) = 0 [pid 5846] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5846] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5846] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5846] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=15, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached , child_tidptr=0x55556c269650) = 16 [pid 5847] set_robust_list(0x55556c269660, 24) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] write(1, "executing program\n", 18executing program ) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5847] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5847] munmap(0x7f118c400000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] close(3) = 0 [pid 5847] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5847] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5847] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5847] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=16, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x55556c269650) = 17 [pid 5848] set_robust_list(0x55556c269660, 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] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5848] munmap(0x7f118c400000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(3) = 0 [pid 5848] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5848] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5848] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5848] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=17, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached , child_tidptr=0x55556c269650) = 18 [pid 5849] set_robust_list(0x55556c269660, 24) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] write(1, "executing program\n", 18executing program ) = 18 [pid 5849] memfd_create("syzkaller", 0) = 3 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5849] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5849] munmap(0x7f118c400000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(3) = 0 [pid 5849] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5849] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5849] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5849] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=18, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x55556c269650) = 19 [pid 5850] set_robust_list(0x55556c269660, 24) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3) = 0 executing program [pid 5850] write(1, "executing program\n", 18) = 18 [pid 5850] memfd_create("syzkaller", 0) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5850] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5850] munmap(0x7f118c400000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(3) = 0 [pid 5850] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5850] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5850] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5850] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=19, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c269650) = 20 ./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x55556c269660, 24) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5851] write(3, "1000", 4) = 4 [pid 5851] close(3) = 0 executing program [pid 5851] write(1, "executing program\n", 18) = 18 [pid 5851] memfd_create("syzkaller", 0) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5851] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5851] munmap(0x7f118c400000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] close(3) = 0 [pid 5851] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5851] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5851] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5851] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=20, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached , child_tidptr=0x55556c269650) = 21 [pid 5852] set_robust_list(0x55556c269660, 24) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] memfd_create("syzkaller", 0) = 3 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5852] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5852] munmap(0x7f118c400000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] close(3) = 0 [pid 5852] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5852] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5852] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5852] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=21, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached , child_tidptr=0x55556c269650) = 22 [pid 5853] set_robust_list(0x55556c269660, 24) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] write(1, "executing program\n", 18executing program ) = 18 [pid 5853] memfd_create("syzkaller", 0) = 3 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5853] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5853] munmap(0x7f118c400000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(3) = 0 [pid 5853] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5853] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5853] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5853] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=22, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached , child_tidptr=0x55556c269650) = 23 [pid 5854] set_robust_list(0x55556c269660, 24) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 executing program [pid 5854] write(1, "executing program\n", 18) = 18 [pid 5854] memfd_create("syzkaller", 0) = 3 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5854] munmap(0x7f118c400000, 138412032) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] close(3) = 0 [pid 5854] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5854] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5854] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5854] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=23, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached , child_tidptr=0x55556c269650) = 24 [pid 5855] set_robust_list(0x55556c269660, 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 executing program [pid 5855] write(1, "executing program\n", 18) = 18 [pid 5855] memfd_create("syzkaller", 0) = 3 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5855] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5855] munmap(0x7f118c400000, 138412032) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] close(3) = 0 [pid 5855] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5855] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5855] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5855] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=24, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x55556c269650) = 25 [pid 5856] set_robust_list(0x55556c269660, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 executing program [pid 5856] write(1, "executing program\n", 18) = 18 [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5856] munmap(0x7f118c400000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(3) = 0 [pid 5856] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5856] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5856] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5856] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=25, si_uid=0, si_status=SIGSYS, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c269650) = 26 ./strace-static-x86_64: Process 5857 attached [pid 5857] set_robust_list(0x55556c269660, 24) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 executing program [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5857] munmap(0x7f118c400000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(3) = 0 [pid 5857] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5857] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5857] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5857] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=26, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached , child_tidptr=0x55556c269650) = 27 [pid 5858] set_robust_list(0x55556c269660, 24) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] write(1, "executing program\n", 18executing program ) = 18 [pid 5858] memfd_create("syzkaller", 0) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5858] munmap(0x7f118c400000, 138412032) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] close(3) = 0 [pid 5858] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5858] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5858] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5858] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=27, si_uid=0, si_status=SIGSYS, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 86.932373][ T8] cfg80211: failed to load regulatory.db [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached , child_tidptr=0x55556c269650) = 28 [pid 5860] set_robust_list(0x55556c269660, 24) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3) = 0 [pid 5860] write(1, "executing program\n", 18executing program ) = 18 [pid 5860] memfd_create("syzkaller", 0) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5860] munmap(0x7f118c400000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] close(3) = 0 [pid 5860] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5860] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5860] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5860] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=28, si_uid=0, si_status=SIGSYS, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached , child_tidptr=0x55556c269650) = 29 [pid 5861] set_robust_list(0x55556c269660, 24) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4) = 4 [pid 5861] close(3) = 0 executing program [pid 5861] write(1, "executing program\n", 18) = 18 [pid 5861] memfd_create("syzkaller", 0) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000 [pid 5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5861] munmap(0x7f118c400000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(3) = 0 [pid 5861] mount(NULL, NULL, NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_SILENT|MS_SLAVE|MS_I_VERSION, NULL) = -1 EFAULT (Bad address) [pid 5861] prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0, 0, NULL) = 0 [pid 5861] --- SIGSYS {si_signo=SIGSYS, si_code=SYS_USER_DISPATCH, si_call_addr=0x7f1194a131c9, si_syscall=__NR_memfd_create, si_arch=AUDIT_ARCH_X86_64} --- [pid 5861] +++ killed by SIGSYS (core dumped) +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=29, si_uid=0, si_status=SIGSYS, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached , child_tidptr=0x55556c269650) = 30 [pid 5862] set_robust_list(0x55556c269660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 executing program [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] memfd_create("syzkaller", 0) = 3 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f118c400000