./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3604697723 <...> Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. execve("./syz-executor3604697723", ["./syz-executor3604697723"], 0x7ffc3c916c90 /* 10 vars */) = 0 brk(NULL) = 0x555561f0b000 brk(0x555561f0bd40) = 0x555561f0bd40 arch_prctl(ARCH_SET_FS, 0x555561f0b3c0) = 0 set_tid_address(0x555561f0b690) = 5215 set_robust_list(0x555561f0b6a0, 24) = 0 rseq(0x555561f0bce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3604697723", 4096) = 28 getrandom("\xd2\x92\x9a\x0f\x43\xa6\xff\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555561f0bd40 brk(0x555561f2cd40) = 0x555561f2cd40 brk(0x555561f2d000) = 0x555561f2d000 mprotect(0x7fe662e3c000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached , child_tidptr=0x555561f0b690) = 5216 [pid 5216] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] write(1, "executing program\n", 18executing program ) = 18 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5216] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5218 attached [pid 5218] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5216] <... clone3 resumed> => {parent_tid=[5218]}, 88) = 5218 [pid 5218] <... rseq resumed>) = 0 [pid 5218] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5218] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5218] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5218] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5218] munmap(0x7fe65a800000, 138412032) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5218] close(3) = 0 [pid 5218] close(4) = 0 [pid 5218] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [ 58.450787][ T5218] loop0: detected capacity change from 0 to 4096 [ 58.474079][ T5218] ======================================================= [ 58.474079][ T5218] WARNING: The mand mount option has been deprecated and [ 58.474079][ T5218] and is ignored by this kernel. Remove the mand [pid 5218] mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "ntfs3", MS_MANDLOCK|MS_REC|MS_SILENT, "dmask=00000000000000000000011,showmeta,sparse,gid=0x0000000000000000,discard,nohidden,iocharset=cp85"...) = 0 [pid 5218] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 [pid 5218] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5218] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [ 58.474079][ T5218] option from the mount to silence this warning. [ 58.474079][ T5218] ======================================================= [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... open resumed>) = 4 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5218] <... futex resumed>) = 1 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5216] <... futex resumed>) = 0 [pid 5218] <... open resumed>) = 5 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<) = 0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... futex resumed>) = 1 [pid 5218] ftruncate(5, 2150145) = 0 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] ioctl(4, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 6 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5218] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5218] <... futex resumed>) = 0 [pid 5216] <... futex resumed>) = 1 [pid 5218] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... open resumed>) = 7 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5218] sendfile(7, 6, NULL, 281483568746501 [pid 5216] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 58.563025][ T29] audit: type=1800 audit(1724818025.803:2): pid=5218 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="loop0" ino=33 res=0 errno=0 [pid 5216] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5216] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5216] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5219 attached => {parent_tid=[5219]}, 88) = 5219 [pid 5219] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5219] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] <... futex resumed>) = 0 [ 58.701963][ T5219] [ 58.704306][ T5219] ====================================================== [ 58.711339][ T5219] WARNING: possible circular locking dependency detected [ 58.718379][ T5219] 6.11.0-rc5-syzkaller-00050-g3ec3f5fc4a91 #0 Not tainted [ 58.725582][ T5219] ------------------------------------------------------ [ 58.732609][ T5219] syz-executor360/5219 is trying to acquire lock: [ 58.739031][ T5219] ffff888011bc8100 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x463/0x2ff0 [ 58.748663][ T5219] [pid 5216] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5218] <... sendfile resumed>) = 1044480 [pid 5218] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 58.748663][ T5219] but task is already holding lock: [ 58.756125][ T5219] ffff888011bc8538 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf7/0x7f0 [ 58.766871][ T5219] [ 58.766871][ T5219] which lock already depends on the new lock. [ 58.766871][ T5219] [ 58.777286][ T5219] [ 58.777286][ T5219] the existing dependency chain (in reverse order) is: [ 58.786293][ T5219] [ 58.786293][ T5219] -> #1 (mapping.invalidate_lock#3){.+.+}-{3:3}: [ 58.794792][ T5219] lock_acquire+0x1ed/0x550 [pid 5218] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 58.799806][ T5219] down_read+0xb1/0xa40 [ 58.804466][ T5219] page_cache_ra_unbounded+0xf7/0x7f0 [ 58.810338][ T5219] do_sync_mmap_readahead+0x49c/0x970 [ 58.816215][ T5219] filemap_fault+0x828/0x1760 [ 58.821392][ T5219] __do_fault+0x135/0x460 [ 58.826224][ T5219] handle_pte_fault+0x1176/0x6fc0 [ 58.831752][ T5219] handle_mm_fault+0xf70/0x1880 [ 58.837105][ T5219] exc_page_fault+0x2b9/0x8c0 [ 58.842369][ T5219] asm_exc_page_fault+0x26/0x30 [ 58.847728][ T5219] rep_movs_alternative+0x4a/0x70 [ 58.853262][ T5219] _copy_to_user+0x86/0xb0 [ 58.858191][ T5219] ni_fiemap+0x5b4/0x1910 [ 58.863067][ T5219] ntfs_fiemap+0x132/0x180 [ 58.867988][ T5219] do_vfs_ioctl+0x1c07/0x2e50 [ 58.873189][ T5219] __se_sys_ioctl+0x81/0x170 [ 58.878292][ T5219] do_syscall_64+0xf3/0x230 [ 58.883294][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.889689][ T5219] [ 58.889689][ T5219] -> #0 (&ni->ni_lock/4){+.+.}-{3:3}: [ 58.897256][ T5219] validate_chain+0x18e0/0x5900 [ 58.902626][ T5219] __lock_acquire+0x137a/0x2040 [ 58.907982][ T5219] lock_acquire+0x1ed/0x550 [ 58.912990][ T5219] __mutex_lock+0x136/0xd70 [ 58.917991][ T5219] attr_data_get_block+0x463/0x2ff0 [ 58.923690][ T5219] ntfs_get_block_vbo+0x3e4/0xd50 [ 58.929221][ T5219] do_mpage_readpage+0x827/0x1c80 [ 58.934754][ T5219] mpage_readahead+0x44f/0x930 [ 58.940042][ T5219] read_pages+0x17e/0x840 [ 58.944962][ T5219] page_cache_ra_unbounded+0x6ce/0x7f0 [ 58.950925][ T5219] do_sync_mmap_readahead+0x49c/0x970 [ 58.956803][ T5219] filemap_fault+0x828/0x1760 [ 58.961992][ T5219] __do_fault+0x135/0x460 [ 58.966830][ T5219] handle_pte_fault+0x1176/0x6fc0 [ 58.972354][ T5219] handle_mm_fault+0xf70/0x1880 [ 58.977704][ T5219] exc_page_fault+0x459/0x8c0 [ 58.982886][ T5219] asm_exc_page_fault+0x26/0x30 [ 58.988239][ T5219] [ 58.988239][ T5219] other info that might help us debug this: [ 58.988239][ T5219] [ 58.998445][ T5219] Possible unsafe locking scenario: [ 58.998445][ T5219] [ 59.005975][ T5219] CPU0 CPU1 [ 59.011323][ T5219] ---- ---- [ 59.016674][ T5219] rlock(mapping.invalidate_lock#3); [ 59.022056][ T5219] lock(&ni->ni_lock/4); [ 59.028891][ T5219] lock(mapping.invalidate_lock#3); [ 59.036683][ T5219] lock(&ni->ni_lock/4); [ 59.041003][ T5219] [ 59.041003][ T5219] *** DEADLOCK *** [ 59.041003][ T5219] [ 59.049124][ T5219] 1 lock held by syz-executor360/5219: [ 59.054556][ T5219] #0: ffff888011bc8538 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf7/0x7f0 [ 59.065675][ T5219] [ 59.065675][ T5219] stack backtrace: [ 59.071568][ T5219] CPU: 0 UID: 0 PID: 5219 Comm: syz-executor360 Not tainted 6.11.0-rc5-syzkaller-00050-g3ec3f5fc4a91 #0 [ 59.082677][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 59.092728][ T5219] Call Trace: [ 59.095992][ T5219] [ 59.098908][ T5219] dump_stack_lvl+0x241/0x360 [ 59.103583][ T5219] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.108769][ T5219] ? print_circular_bug+0x130/0x1a0 [ 59.113951][ T5219] check_noncircular+0x36a/0x4a0 [ 59.118879][ T5219] ? __pfx_check_noncircular+0x10/0x10 [ 59.124318][ T5219] ? lockdep_lock+0x123/0x2b0 [ 59.128984][ T5219] validate_chain+0x18e0/0x5900 [ 59.133820][ T5219] ? __bfs+0x368/0x6f0 [ 59.137871][ T5219] ? __pfx_validate_chain+0x10/0x10 [ 59.143076][ T5219] ? __pfx___bfs+0x10/0x10 [ 59.147478][ T5219] ? hlock_conflict+0x59/0x1e0 [ 59.152309][ T5219] ? __bfs+0x368/0x6f0 [ 59.156363][ T5219] ? __pfx_hlock_conflict+0x10/0x10 [ 59.161539][ T5219] ? look_up_lock_class+0x77/0x160 [ 59.166645][ T5219] ? register_lock_class+0x102/0x980 [ 59.171929][ T5219] ? __pfx_check_noncircular+0x10/0x10 [ 59.177397][ T5219] ? __pfx_register_lock_class+0x10/0x10 [ 59.183017][ T5219] ? mark_lock+0x9a/0x350 [ 59.187333][ T5219] __lock_acquire+0x137a/0x2040 [ 59.192169][ T5219] lock_acquire+0x1ed/0x550 [ 59.196664][ T5219] ? attr_data_get_block+0x463/0x2ff0 [ 59.202021][ T5219] ? __pfx_lock_acquire+0x10/0x10 [ 59.207029][ T5219] ? __pfx___might_resched+0x10/0x10 [ 59.212324][ T5219] ? __pfx_validate_chain+0x10/0x10 [ 59.217505][ T5219] __mutex_lock+0x136/0xd70 [ 59.221991][ T5219] ? attr_data_get_block+0x463/0x2ff0 [ 59.227347][ T5219] ? attr_data_get_block+0x355/0x2ff0 [ 59.232733][ T5219] ? attr_data_get_block+0x463/0x2ff0 [ 59.238085][ T5219] ? __pfx___mutex_lock+0x10/0x10 [ 59.243090][ T5219] ? __up_read+0x2c2/0x6b0 [ 59.247484][ T5219] ? __pfx___up_read+0x10/0x10 [ 59.252231][ T5219] ? run_lookup_entry+0xb1/0x560 [ 59.257157][ T5219] ? __pfx_validate_chain+0x10/0x10 [ 59.262342][ T5219] attr_data_get_block+0x463/0x2ff0 [ 59.267533][ T5219] ? __pfx_attr_data_get_block+0x10/0x10 [ 59.273144][ T5219] ? mark_lock+0x9a/0x350 [ 59.277473][ T5219] ? __lock_acquire+0x137a/0x2040 [ 59.282486][ T5219] ntfs_get_block_vbo+0x3e4/0xd50 [ 59.287499][ T5219] ? __pfx_ntfs_get_block_vbo+0x10/0x10 [ 59.293034][ T5219] ? xas_load+0x59b/0x5c0 [ 59.297348][ T5219] do_mpage_readpage+0x827/0x1c80 [ 59.302381][ T5219] mpage_readahead+0x44f/0x930 [ 59.307132][ T5219] ? __pfx_mpage_readahead+0x10/0x10 [ 59.312400][ T5219] ? __pfx_ntfs_get_block+0x10/0x10 [ 59.317580][ T5219] ? __pfx_lock_release+0x10/0x10 [ 59.322588][ T5219] ? ntfs_readahead+0x1c6/0x220 [ 59.327421][ T5219] read_pages+0x17e/0x840 [ 59.331748][ T5219] ? __pfx_lru_add_fn+0x10/0x10 [ 59.336597][ T5219] ? folio_add_lru+0x27b/0x9e0 [ 59.341365][ T5219] ? __pfx_read_pages+0x10/0x10 [ 59.346227][ T5219] ? filemap_add_folio+0x26d/0x650 [ 59.351327][ T5219] ? __pfx_filemap_add_folio+0x10/0x10 [ 59.356769][ T5219] ? release_fault_lock+0xa6/0x230 [ 59.361888][ T5219] page_cache_ra_unbounded+0x6ce/0x7f0 [ 59.367337][ T5219] do_sync_mmap_readahead+0x49c/0x970 [ 59.372697][ T5219] ? __pfx_do_sync_mmap_readahead+0x10/0x10 [ 59.378569][ T5219] ? count_memcg_event_mm+0x90/0x420 [ 59.383836][ T5219] ? __filemap_get_folio+0x984/0xc10 [ 59.389105][ T5219] filemap_fault+0x828/0x1760 [ 59.393769][ T5219] ? __pfx_filemap_fault+0x10/0x10 [ 59.398860][ T5219] ? handle_pte_fault+0x331/0x6fc0 [ 59.403950][ T5219] ? __pfx_lock_release+0x10/0x10 [ 59.408958][ T5219] ? pte_offset_map_nolock+0x137/0x1f0 [ 59.414399][ T5219] __do_fault+0x135/0x460 [ 59.418730][ T5219] handle_pte_fault+0x1176/0x6fc0 [ 59.423734][ T5219] ? __pfx_validate_chain+0x10/0x10 [ 59.428933][ T5219] ? mark_lock+0x9a/0x350 [ 59.433264][ T5219] ? mark_lock+0x9a/0x350 [ 59.437579][ T5219] ? mark_lock+0x9a/0x350 [ 59.441889][ T5219] ? __pfx_handle_pte_fault+0x10/0x10 [ 59.447249][ T5219] ? reacquire_held_locks+0x3eb/0x690 [ 59.452599][ T5219] ? lock_vma_under_rcu+0x2f9/0x6e0 [ 59.457783][ T5219] ? __pfx_reacquire_held_locks+0x10/0x10 [ 59.463507][ T5219] handle_mm_fault+0xf70/0x1880 [ 59.468367][ T5219] ? __pfx_handle_mm_fault+0x10/0x10 [ 59.473641][ T5219] ? lock_vma_under_rcu+0x592/0x6e0 [ 59.478828][ T5219] ? exc_page_fault+0x113/0x8c0 [ 59.483664][ T5219] exc_page_fault+0x459/0x8c0 [ 59.488330][ T5219] asm_exc_page_fault+0x26/0x30 [ 59.493189][ T5219] RIP: 0033:0x7fe662d64051 [ 59.497594][ T5219] Code: 84 e4 fd ff ff 48 89 05 ed c0 0d 00 e9 d8 fd ff ff 0f 1f 84 00 00 00 00 00 ba 73 00 00 00 be 40 00 00 20 bf 55 00 00 00 31 c0 <66> 89 14 25 44 00 00 20 31 d2 c7 04 25 40 00 00 20 2e 2f 62 75 e8 [ 59.517187][ T5219] RSP: 002b:00007fe662d30220 EFLAGS: 00010246 [ 59.523236][ T5219] RAX: 0000000000000000 RBX: 00007fe662e42718 RCX: 00007fe662d750d6 [ 59.531196][ T5219] RDX: 0000000000000073 RSI: 0000000020000040 RDI: 0000000000000055 [ 59.539153][ T5219] RBP: 00007fe662e42710 R08: 0000000000000000 R09: 00007fff7a790aa7 [ 59.547106][ T5219] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe662e4271c [pid 5216] exit_group(0) = ? [pid 5218] <... futex resumed>) = ? [pid 5218] +++ exited with 0 +++ [pid 5219] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached , child_tidptr=0x555561f0b690) = 5220 [pid 5220] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [ 59.555056][ T5219] R13: 00007fe662e0e860 R14: 00007fe662def0e0 R15: 00007fe662def07e [ 59.563023][ T5219] [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] write(1, "executing program\n", 18) = 18 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5220] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5220] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5221 attached => {parent_tid=[5221]}, 88) = 5221 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5221] set_robust_list(0x7fe662d519a0, 24 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5221] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5221] munmap(0x7fe65a800000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5221] close(3) = 0 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5221] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... open resumed>) = 3 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5220] <... futex resumed>) = 0 [pid 5221] <... open resumed>) = 4 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 1 [pid 5221] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... mmap resumed>) = 0x20000000 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5221] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5220] <... futex resumed>) = 0 [pid 5221] ftruncate(4, 2150145 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... ftruncate resumed>) = 0 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 1 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = 1 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5220] <... futex resumed>) = 0 [pid 5221] <... open resumed>) = 5 [ 59.708480][ T29] audit: type=1800 audit(1724818026.953:3): pid=5221 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] <... futex resumed>) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5221] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... open resumed>) = 6 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] sendfile(6, 5, NULL, 281483568746501 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5220] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5220] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5220] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5220] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5220] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5222 attached [pid 5222] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5220] <... clone3 resumed> => {parent_tid=[5222]}, 88) = 5222 [pid 5222] set_robust_list(0x7fe662d309a0, 24 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] <... set_robust_list resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5220] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5220] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] creat("./bus", 000) = 7 [pid 5222] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5222] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] <... futex resumed>) = 0 [pid 5221] <... sendfile resumed>) = 208896 [pid 5221] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5220] exit_group(0 [pid 5222] <... futex resumed>) = ? [pid 5221] <... futex resumed>) = ? [pid 5220] <... exit_group resumed>) = ? [pid 5222] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached , child_tidptr=0x555561f0b690) = 5223 [pid 5223] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setpgid(0, 0) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] write(1, "executing program\n", 18executing program ) = 18 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5223] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5224 attached [pid 5224] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5223] <... clone3 resumed> => {parent_tid=[5224]}, 88) = 5224 [pid 5224] <... rseq resumed>) = 0 [pid 5224] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5224] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5224] munmap(0x7fe65a800000, 138412032) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5224] close(3) = 0 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... open resumed>) = 3 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... mmap resumed>) = 0x20000000 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] ftruncate(4, 2150145) = 0 [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 59.955777][ T29] audit: type=1800 audit(1724818027.193:4): pid=5224 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] <... futex resumed>) = 0 [pid 5223] <... futex resumed>) = 1 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... open resumed>) = 6 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... futex resumed>) = 0 [pid 5224] <... futex resumed>) = 1 [pid 5223] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5224] sendfile(6, 5, NULL, 281483568746501 [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5223] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5223] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5223] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5225 attached [pid 5225] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5223] <... clone3 resumed> => {parent_tid=[5225]}, 88) = 5225 [pid 5225] <... rseq resumed>) = 0 [pid 5225] set_robust_list(0x7fe662d309a0, 24 [pid 5223] rt_sigprocmask(SIG_SETMASK, [], [pid 5225] <... set_robust_list resumed>) = 0 [pid 5223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5225] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5223] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5225] creat("./bus", 000 [pid 5223] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5225] <... creat resumed>) = 7 [pid 5225] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5225] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5224] <... sendfile resumed>) = 286720 [pid 5224] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5224] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5223] exit_group(0 [pid 5225] <... futex resumed>) = ? [pid 5224] <... futex resumed>) = ? [pid 5223] <... exit_group resumed>) = ? [pid 5225] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5226 ./strace-static-x86_64: Process 5226 attached [pid 5226] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 [pid 5226] write(1, "executing program\n", 18executing program ) = 18 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5226] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5227 attached [pid 5227] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5226] <... clone3 resumed> => {parent_tid=[5227]}, 88) = 5227 [pid 5227] <... rseq resumed>) = 0 [pid 5227] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5227] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5227] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 1 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5227] memfd_create("syzkaller", 0) = 3 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5227] munmap(0x7fe65a800000, 138412032) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5227] close(3) = 0 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... open resumed>) = 3 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5227] <... futex resumed>) = 1 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5226] <... futex resumed>) = 0 [pid 5227] <... open resumed>) = 4 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5226] <... futex resumed>) = 0 [pid 5227] <... mmap resumed>) = 0x20000000 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... futex resumed>) = 1 [pid 5227] ftruncate(4, 2150145) = 0 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... futex resumed>) = 1 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5227] <... futex resumed>) = 1 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5226] <... futex resumed>) = 0 [pid 5227] <... open resumed>) = 6 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5227] sendfile(6, 5, NULL, 281483568746501 [pid 5226] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 60.197473][ T29] audit: type=1800 audit(1724818027.443:5): pid=5227 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5226] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5226] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5226] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5226] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5228 attached => {parent_tid=[5228]}, 88) = 5228 [pid 5228] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5226] rt_sigprocmask(SIG_SETMASK, [], [pid 5228] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5226] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5228] creat("./bus", 000) = 7 [pid 5228] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5226] <... futex resumed>) = 0 [pid 5228] <... futex resumed>) = 1 [pid 5228] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5227] <... sendfile resumed>) = 278528 [pid 5227] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] exit_group(0 [pid 5228] <... futex resumed>) = ? [pid 5227] <... futex resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5228] +++ exited with 0 +++ [pid 5227] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5229 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] write(1, "executing program\n", 18executing program ) = 18 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5229] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0} => {parent_tid=[5230]}, 88) = 5230 ./strace-static-x86_64: Process 5230 attached [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] <... rseq resumed>) = 0 [pid 5230] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5230] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5230] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5230] munmap(0x7fe65a800000, 138412032) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5230] close(3) = 0 [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... open resumed>) = 3 [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5229] <... futex resumed>) = 0 [pid 5230] <... open resumed>) = 4 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5229] <... futex resumed>) = 0 [pid 5230] <... mmap resumed>) = 0x20000000 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] ftruncate(4, 2150145) = 0 [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5229] <... futex resumed>) = 0 [pid 5230] <... open resumed>) = 6 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] sendfile(6, 5, NULL, 281483568746501 [pid 5229] <... futex resumed>) = 0 [ 60.408093][ T29] audit: type=1800 audit(1724818027.653:6): pid=5230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5229] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5229] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5229] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5231 attached [pid 5231] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5229] <... clone3 resumed> => {parent_tid=[5231]}, 88) = 5231 [pid 5231] set_robust_list(0x7fe662d309a0, 24 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] <... set_robust_list resumed>) = 0 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5229] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] creat("./bus", 000) = 7 [pid 5231] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5230] <... sendfile resumed>) = 299008 [pid 5229] <... futex resumed>) = 0 [pid 5231] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5230] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] exit_group(0 [pid 5230] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] <... futex resumed>) = ? [pid 5230] <... futex resumed>) = ? [pid 5229] <... exit_group resumed>) = ? [pid 5231] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached , child_tidptr=0x555561f0b690) = 5232 [pid 5232] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] write(1, "executing program\n", 18executing program ) = 18 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5232] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5233 attached [pid 5233] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5232] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5233] <... rseq resumed>) = 0 [pid 5233] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5233] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] <... futex resumed>) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5233] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5233] munmap(0x7fe65a800000, 138412032) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5233] close(3) = 0 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... open resumed>) = 3 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... open resumed>) = 4 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5232] <... futex resumed>) = 0 [pid 5233] <... mmap resumed>) = 0x20000000 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] ftruncate(4, 2150145) = 0 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... futex resumed>) = 1 [pid 5233] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] <... futex resumed>) = 1 [pid 5233] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 6 [ 60.654111][ T29] audit: type=1800 audit(1724818027.893:7): pid=5233 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] sendfile(6, 5, NULL, 281483568746501 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5232] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5232] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5234 attached [pid 5234] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5234] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5232] <... clone3 resumed> => {parent_tid=[5234]}, 88) = 5234 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5234] creat("./bus", 000) = 7 [pid 5233] <... sendfile resumed>) = 237568 [pid 5234] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5234] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5233] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] exit_group(0 [pid 5233] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] <... futex resumed>) = ? [pid 5233] <... futex resumed>) = ? [pid 5232] <... exit_group resumed>) = ? [pid 5234] +++ exited with 0 +++ [pid 5233] +++ exited with 0 +++ [pid 5232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5235 ./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setpgid(0, 0) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 executing program [pid 5235] write(1, "executing program\n", 18) = 18 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5235] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5235] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5236 attached => {parent_tid=[5236]}, 88) = 5236 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] set_robust_list(0x7fe662d519a0, 24 [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5235] <... futex resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5236] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5236] munmap(0x7fe65a800000, 138412032) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5236] close(3) = 0 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5236] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5235] <... futex resumed>) = 0 [pid 5236] <... open resumed>) = 3 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5236] <... futex resumed>) = 1 [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... mmap resumed>) = 0x20000000 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5236] ftruncate(4, 2150145 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... ftruncate resumed>) = 0 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... open resumed>) = 5 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5236] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... open resumed>) = 6 [ 60.943881][ T29] audit: type=1800 audit(1724818028.183:8): pid=5236 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5236] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5235] <... futex resumed>) = 0 [pid 5236] sendfile(6, 5, NULL, 281483568746501 [pid 5235] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5235] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5235] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5235] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5235] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5237 attached [pid 5237] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5235] <... clone3 resumed> => {parent_tid=[5237]}, 88) = 5237 [pid 5237] <... rseq resumed>) = 0 [pid 5237] set_robust_list(0x7fe662d309a0, 24 [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5237] <... set_robust_list resumed>) = 0 [pid 5237] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5237] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5235] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] <... futex resumed>) = 0 [pid 5235] <... futex resumed>) = 1 [pid 5235] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5237] creat("./bus", 000) = 7 [pid 5237] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... sendfile resumed>) = 249856 [pid 5237] <... futex resumed>) = 1 [pid 5236] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... futex resumed>) = 0 [pid 5237] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5236] <... futex resumed>) = 0 [pid 5235] exit_group(0 [pid 5236] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5235] <... exit_group resumed>) = ? [pid 5237] <... futex resumed>) = ? [pid 5236] +++ exited with 0 +++ [pid 5237] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached , child_tidptr=0x555561f0b690) = 5238 [pid 5238] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4) = 4 [pid 5238] close(3) = 0 [pid 5238] write(1, "executing program\n", 18executing program ) = 18 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5238] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5238] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5239 attached [pid 5239] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5239] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5238] <... clone3 resumed> => {parent_tid=[5239]}, 88) = 5239 [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5239] memfd_create("syzkaller", 0) = 3 [pid 5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5239] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5239] munmap(0x7fe65a800000, 138412032) = 0 [pid 5239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5239] close(3) = 0 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... futex resumed>) = 0 [pid 5239] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... mmap resumed>) = 0x20000000 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... futex resumed>) = 0 [pid 5239] ftruncate(4, 2150145 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... ftruncate resumed>) = 0 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5239] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... open resumed>) = 5 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 61.204514][ T29] audit: type=1800 audit(1724818028.443:9): pid=5239 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = 0 [pid 5238] <... futex resumed>) = 1 [pid 5239] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5239] <... open resumed>) = 6 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5238] <... futex resumed>) = 0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5238] <... futex resumed>) = 0 [pid 5239] sendfile(6, 5, NULL, 281483568746501 [pid 5238] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5238] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5238] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5238] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5240 attached => {parent_tid=[5240]}, 88) = 5240 [pid 5238] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] set_robust_list(0x7fe662d309a0, 24 [pid 5238] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5238] <... futex resumed>) = 0 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5238] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5240] creat("./bus", 000) = 7 [pid 5239] <... sendfile resumed>) = 196608 [pid 5240] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5238] <... futex resumed>) = 0 [pid 5238] exit_group(0 [pid 5240] <... futex resumed>) = ? [pid 5240] +++ exited with 0 +++ [pid 5238] <... exit_group resumed>) = ? [pid 5239] <... futex resumed>) = ? [pid 5239] +++ exited with 0 +++ [pid 5238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached [pid 5241] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5241 [pid 5241] <... prctl resumed>) = 0 [pid 5241] setpgid(0, 0) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5241] write(3, "1000", 4) = 4 [pid 5241] close(3executing program ) = 0 [pid 5241] write(1, "executing program\n", 18) = 18 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5241] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0} => {parent_tid=[5242]}, 88) = 5242 ./strace-static-x86_64: Process 5242 attached [pid 5241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5242] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5242] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5242] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5242] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5242] munmap(0x7fe65a800000, 138412032) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5242] close(3) = 0 [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5242] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... open resumed>) = 3 [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = 0 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5241] <... futex resumed>) = 0 [pid 5242] <... open resumed>) = 4 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5242] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... mmap resumed>) = 0x20000000 [pid 5241] <... futex resumed>) = 0 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = 0 [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5242] ftruncate(4, 2150145) = 0 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5242] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5242] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] <... futex resumed>) = 0 [pid 5242] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 6 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = 0 [pid 5241] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... futex resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5242] sendfile(6, 5, NULL, 281483568746501 [ 61.503815][ T29] audit: type=1800 audit(1724818028.743:10): pid=5242 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5241] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5241] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5241] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5241] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5243 attached [pid 5243] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5241] <... clone3 resumed> => {parent_tid=[5243]}, 88) = 5243 [pid 5243] set_robust_list(0x7fe662d309a0, 24 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5243] <... set_robust_list resumed>) = 0 [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5243] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5241] <... futex resumed>) = 0 [pid 5241] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5243] creat("./bus", 000) = 7 [pid 5243] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5243] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] <... futex resumed>) = 0 [pid 5242] <... sendfile resumed>) = 204800 [pid 5242] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5241] exit_group(0 [pid 5242] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5243] <... futex resumed>) = ? [pid 5242] <... futex resumed>) = ? [pid 5241] <... exit_group resumed>) = ? [pid 5243] +++ exited with 0 +++ [pid 5242] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached , child_tidptr=0x555561f0b690) = 5244 [pid 5244] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] write(1, "executing program\n", 18executing program ) = 18 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5244] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5245 attached [pid 5245] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5244] <... clone3 resumed> => {parent_tid=[5245]}, 88) = 5245 [pid 5245] <... rseq resumed>) = 0 [pid 5245] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5245] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5245] memfd_create("syzkaller", 0) = 3 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5245] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5245] munmap(0x7fe65a800000, 138412032) = 0 [pid 5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5245] close(3) = 0 [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... open resumed>) = 3 [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = 1 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5244] <... futex resumed>) = 0 [pid 5245] <... open resumed>) = 4 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5244] <... futex resumed>) = 0 [pid 5245] <... mmap resumed>) = 0x20000000 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... futex resumed>) = 1 [pid 5245] ftruncate(4, 2150145) = 0 [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = 1 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... open resumed>) = 5 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = 1 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... open resumed>) = 6 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5245] <... futex resumed>) = 1 [pid 5244] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] sendfile(6, 5, NULL, 281483568746501 [pid 5244] <... futex resumed>) = 0 [ 61.721445][ T29] audit: type=1800 audit(1724818028.963:11): pid=5245 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5244] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5244] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5244] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5246 attached [pid 5246] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5244] <... clone3 resumed> => {parent_tid=[5246]}, 88) = 5246 [pid 5246] <... rseq resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5246] set_robust_list(0x7fe662d309a0, 24 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5244] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] creat("./bus", 000) = 7 [pid 5246] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5246] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... sendfile resumed>) = 245760 [pid 5244] <... futex resumed>) = 0 [pid 5245] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] exit_group(0 [pid 5246] <... futex resumed>) = ? [pid 5245] <... futex resumed>) = ? [pid 5244] <... exit_group resumed>) = ? [pid 5246] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5247 ./strace-static-x86_64: Process 5247 attached [pid 5247] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] write(1, "executing program\n", 18executing program ) = 18 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5247] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5248 attached [pid 5248] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5247] <... clone3 resumed> => {parent_tid=[5248]}, 88) = 5248 [pid 5248] <... rseq resumed>) = 0 [pid 5248] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5248] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5248] memfd_create("syzkaller", 0) = 3 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5248] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5248] munmap(0x7fe65a800000, 138412032) = 0 [pid 5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5248] close(3) = 0 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... open resumed>) = 3 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5248] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... open resumed>) = 4 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5248] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... mmap resumed>) = 0x20000000 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 0 [pid 5247] <... futex resumed>) = 1 [pid 5248] ftruncate(4, 2150145 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... ftruncate resumed>) = 0 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5248] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... futex resumed>) = 1 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5248] <... futex resumed>) = 1 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5247] <... futex resumed>) = 0 [pid 5248] <... open resumed>) = 6 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5248] sendfile(6, 5, NULL, 281483568746501 [pid 5247] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5247] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5247] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5249 attached => {parent_tid=[5249]}, 88) = 5249 [pid 5249] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] <... rseq resumed>) = 0 [pid 5247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] set_robust_list(0x7fe662d309a0, 24 [pid 5247] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5247] <... futex resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5247] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5249] creat("./bus", 000) = 7 [pid 5248] <... sendfile resumed>) = 245760 [pid 5249] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5249] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] exit_group(0 [pid 5249] <... futex resumed>) = ? [pid 5248] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5248] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5250 attached , child_tidptr=0x555561f0b690) = 5250 [pid 5250] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5250] write(3, "1000", 4) = 4 [pid 5250] close(3) = 0 [pid 5250] write(1, "executing program\n", 18executing program ) = 18 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5250] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5251 attached [pid 5251] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5250] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5251] <... rseq resumed>) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] set_robust_list(0x7fe662d519a0, 24 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] <... futex resumed>) = 0 [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] memfd_create("syzkaller", 0) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5251] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5251] munmap(0x7fe65a800000, 138412032) = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5251] close(3) = 0 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... open resumed>) = 3 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... open resumed>) = 4 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... mmap resumed>) = 0x20000000 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5251] ftruncate(4, 2150145 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... ftruncate resumed>) = 0 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5250] <... futex resumed>) = 0 [pid 5251] <... open resumed>) = 5 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... open resumed>) = 6 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5250] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] sendfile(6, 5, NULL, 281483568746501 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5250] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5250] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5252 attached [pid 5252] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5250] <... clone3 resumed> => {parent_tid=[5252]}, 88) = 5252 [pid 5252] set_robust_list(0x7fe662d309a0, 24 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5252] <... set_robust_list resumed>) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] creat("./bus", 000) = 7 [pid 5252] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5252] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] <... futex resumed>) = 0 [pid 5251] <... sendfile resumed>) = 249856 [pid 5251] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] exit_group(0 [pid 5252] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5252] +++ exited with 0 +++ [pid 5251] <... futex resumed>) = ? [pid 5251] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached [pid 5253] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5253 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 executing program [pid 5253] write(1, "executing program\n", 18) = 18 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5253] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5254 attached [pid 5254] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5253] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5254] <... rseq resumed>) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5254] set_robust_list(0x7fe662d519a0, 24 [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5254] memfd_create("syzkaller", 0 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5254] <... memfd_create resumed>) = 3 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5254] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5254] munmap(0x7fe65a800000, 138412032) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5254] close(3) = 0 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... futex resumed>) = 0 [pid 5254] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... open resumed>) = 3 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] <... futex resumed>) = 0 [pid 5254] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... open resumed>) = 4 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 1 [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5253] <... futex resumed>) = 0 [pid 5254] <... mmap resumed>) = 0x20000000 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] ftruncate(4, 2150145) = 0 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = 1 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5253] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5253] <... futex resumed>) = 0 [pid 5254] <... open resumed>) = 5 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... open resumed>) = 6 [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5254] sendfile(6, 5, NULL, 281483568746501 [pid 5253] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5253] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5253] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5255 attached [pid 5255] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5253] <... clone3 resumed> => {parent_tid=[5255]}, 88) = 5255 [pid 5255] set_robust_list(0x7fe662d309a0, 24 [pid 5253] rt_sigprocmask(SIG_SETMASK, [], [pid 5255] <... set_robust_list resumed>) = 0 [pid 5253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5255] rt_sigprocmask(SIG_SETMASK, [], [pid 5253] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] creat("./bus", 000) = 7 [pid 5255] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5255] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] <... sendfile resumed>) = 245760 [pid 5254] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] exit_group(0 [pid 5254] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5255] <... futex resumed>) = ? [pid 5253] <... exit_group resumed>) = ? [pid 5255] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached [pid 5256] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5256 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5256] setpgid(0, 0) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5256] write(1, "executing program\n", 18executing program ) = 18 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5256] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5257 attached => {parent_tid=[5257]}, 88) = 5257 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5257] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5257] <... rseq resumed>) = 0 [pid 5257] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5257] memfd_create("syzkaller", 0) = 3 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5257] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5257] munmap(0x7fe65a800000, 138412032) = 0 [pid 5257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5257] close(3) = 0 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... open resumed>) = 3 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5257] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... open resumed>) = 4 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5257] <... futex resumed>) = 1 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5256] <... futex resumed>) = 0 [pid 5257] <... mmap resumed>) = 0x20000000 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] ftruncate(4, 2150145) = 0 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5257] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... open resumed>) = 5 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5257] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5257] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... open resumed>) = 6 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5257] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... futex resumed>) = 0 [pid 5257] sendfile(6, 5, NULL, 281483568746501 [pid 5256] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5256] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5256] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5258 attached [pid 5258] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5256] <... clone3 resumed> => {parent_tid=[5258]}, 88) = 5258 [pid 5258] set_robust_list(0x7fe662d309a0, 24 [pid 5256] rt_sigprocmask(SIG_SETMASK, [], [pid 5258] <... set_robust_list resumed>) = 0 [pid 5256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], [pid 5256] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5256] <... futex resumed>) = 0 [pid 5256] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5258] creat("./bus", 000) = 7 [pid 5258] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5256] <... futex resumed>) = 0 [pid 5258] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] <... sendfile resumed>) = 286720 [pid 5257] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5256] exit_group(0 [pid 5258] <... futex resumed>) = ? [pid 5256] <... exit_group resumed>) = ? [pid 5257] <... futex resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached [pid 5259] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5259 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5259] write(3, "1000", 4) = 4 [pid 5259] close(3) = 0 [pid 5259] write(1, "executing program\n", 18executing program ) = 18 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5259] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5259] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5260 attached [pid 5260] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5259] <... clone3 resumed> => {parent_tid=[5260]}, 88) = 5260 [pid 5260] <... rseq resumed>) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], [pid 5260] set_robust_list(0x7fe662d519a0, 24 [pid 5259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5260] memfd_create("syzkaller", 0) = 3 [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5260] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5260] munmap(0x7fe65a800000, 138412032) = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5260] close(3) = 0 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5260] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... open resumed>) = 3 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... open resumed>) = 4 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... mmap resumed>) = 0x20000000 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5259] <... futex resumed>) = 1 [pid 5260] ftruncate(4, 2150145 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... ftruncate resumed>) = 0 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5259] <... futex resumed>) = 1 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] <... futex resumed>) = 0 [pid 5260] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... open resumed>) = 5 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] <... open resumed>) = 6 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] <... futex resumed>) = 0 [pid 5260] sendfile(6, 5, NULL, 281483568746501 [pid 5259] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5259] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5259] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5259] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5259] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5261 attached [pid 5261] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5259] <... clone3 resumed> => {parent_tid=[5261]}, 88) = 5261 [pid 5261] <... rseq resumed>) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5259] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5261] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5261] creat("./bus", 000) = 7 [pid 5261] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5261] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] <... futex resumed>) = 0 [pid 5260] <... sendfile resumed>) = 253952 [pid 5260] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5259] exit_group(0 [pid 5261] <... futex resumed>) = ? [pid 5260] <... futex resumed>) = ? [pid 5259] <... exit_group resumed>) = ? [pid 5261] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5262 attached [pid 5262] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5262 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5262] write(3, "1000", 4) = 4 [pid 5262] close(3) = 0 [pid 5262] write(1, "executing program\n", 18executing program ) = 18 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5262] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5263 attached => {parent_tid=[5263]}, 88) = 5263 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5262] <... futex resumed>) = 0 [pid 5263] set_robust_list(0x7fe662d519a0, 24 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5263] <... set_robust_list resumed>) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5263] memfd_create("syzkaller", 0) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5263] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5263] munmap(0x7fe65a800000, 138412032) = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5263] close(3) = 0 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... open resumed>) = 4 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... mmap resumed>) = 0x20000000 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5263] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 0 [pid 5263] ftruncate(4, 2150145 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... ftruncate resumed>) = 0 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5262] <... futex resumed>) = 0 [pid 5263] <... open resumed>) = 5 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5263] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... open resumed>) = 6 [pid 5262] <... futex resumed>) = 0 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] <... futex resumed>) = 0 [pid 5263] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] <... futex resumed>) = 0 [pid 5263] sendfile(6, 5, NULL, 281483568746501 [pid 5262] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5262] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5262] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5264 attached => {parent_tid=[5264]}, 88) = 5264 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5262] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5262] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5264] creat("./bus", 000) = 7 [pid 5264] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... sendfile resumed>) = 294912 [pid 5262] <... futex resumed>) = 0 [pid 5264] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5263] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] exit_group(0 [pid 5264] <... futex resumed>) = ? [pid 5263] <... futex resumed>) = ? [pid 5262] <... exit_group resumed>) = ? [pid 5263] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached , child_tidptr=0x555561f0b690) = 5265 [pid 5265] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] write(1, "executing program\n", 18executing program ) = 18 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5265] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5266 attached [pid 5266] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5265] <... clone3 resumed> => {parent_tid=[5266]}, 88) = 5266 [pid 5266] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5266] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5265] <... futex resumed>) = 0 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5266] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5266] munmap(0x7fe65a800000, 138412032) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5266] close(3) = 0 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] <... futex resumed>) = 0 [pid 5266] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... open resumed>) = 4 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... mmap resumed>) = 0x20000000 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] ftruncate(4, 2150145) = 0 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... open resumed>) = 5 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] <... futex resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5265] <... futex resumed>) = 0 [pid 5266] <... open resumed>) = 6 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5265] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] sendfile(6, 5, NULL, 281483568746501 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5265] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5265] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5267 attached [pid 5267] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5265] <... clone3 resumed> => {parent_tid=[5267]}, 88) = 5267 [pid 5267] set_robust_list(0x7fe662d309a0, 24 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5267] <... set_robust_list resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] creat("./bus", 000) = 7 [pid 5267] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5266] <... sendfile resumed>) = 253952 [pid 5266] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5266] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] exit_group(0) = ? [pid 5267] <... futex resumed>) = ? [pid 5266] <... futex resumed>) = ? [pid 5267] +++ exited with 0 +++ [pid 5266] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5268 attached , child_tidptr=0x555561f0b690) = 5268 [pid 5268] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5268] write(3, "1000", 4) = 4 [pid 5268] close(3) = 0 [pid 5268] write(1, "executing program\n", 18executing program ) = 18 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5268] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5269 attached => {parent_tid=[5269]}, 88) = 5269 [pid 5269] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5269] set_robust_list(0x7fe662d519a0, 24 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] <... set_robust_list resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5269] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = 1 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5269] memfd_create("syzkaller", 0) = 3 [pid 5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5269] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5269] munmap(0x7fe65a800000, 138412032) = 0 [pid 5269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5269] close(3) = 0 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... open resumed>) = 3 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5269] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = 1 [pid 5269] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... open resumed>) = 4 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5269] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] <... futex resumed>) = 0 [pid 5269] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... mmap resumed>) = 0x20000000 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... futex resumed>) = 1 [pid 5269] ftruncate(4, 2150145) = 0 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5269] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... open resumed>) = 5 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 1 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5268] <... futex resumed>) = 0 [pid 5269] <... open resumed>) = 6 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 1 [pid 5268] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] sendfile(6, 5, NULL, 281483568746501 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5268] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5268] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5270 attached => {parent_tid=[5270]}, 88) = 5270 [pid 5270] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5270] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5270] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5268] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5268] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5270] creat("./bus", 000) = 7 [pid 5270] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5270] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... sendfile resumed>) = 221184 [pid 5269] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5269] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] exit_group(0 [pid 5270] <... futex resumed>) = ? [pid 5269] <... futex resumed>) = ? [pid 5268] <... exit_group resumed>) = ? [pid 5270] +++ exited with 0 +++ [pid 5269] +++ exited with 0 +++ [pid 5268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5271 ./strace-static-x86_64: Process 5271 attached [pid 5271] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5271] write(3, "1000", 4) = 4 [pid 5271] close(3) = 0 [pid 5271] write(1, "executing program\n", 18executing program ) = 18 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5271] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5272 attached [pid 5272] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5271] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5272] <... rseq resumed>) = 0 [pid 5272] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5272] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5271] <... futex resumed>) = 1 [pid 5272] memfd_create("syzkaller", 0 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5272] <... memfd_create resumed>) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5272] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5272] munmap(0x7fe65a800000, 138412032) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5272] close(3) = 0 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... open resumed>) = 3 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5271] <... futex resumed>) = 0 [pid 5272] <... open resumed>) = 4 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... mmap resumed>) = 0x20000000 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] ftruncate(4, 2150145 [pid 5271] <... futex resumed>) = 0 [pid 5272] <... ftruncate resumed>) = 0 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5272] <... futex resumed>) = 1 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5271] <... futex resumed>) = 0 [pid 5272] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... open resumed>) = 5 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5272] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5271] <... futex resumed>) = 1 [pid 5272] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... open resumed>) = 6 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5271] <... futex resumed>) = 0 [pid 5272] sendfile(6, 5, NULL, 281483568746501 [pid 5271] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 63.790009][ T29] kauditd_printk_skb: 8 callbacks suppressed [ 63.790026][ T29] audit: type=1800 audit(1724818031.033:20): pid=5272 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5271] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5271] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5271] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5271] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5273 attached [pid 5273] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5271] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5273] <... rseq resumed>) = 0 [pid 5271] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] set_robust_list(0x7fe662d309a0, 24 [pid 5271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5271] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] creat("./bus", 000) = 7 [pid 5272] <... sendfile resumed>) = 204800 [pid 5273] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] <... futex resumed>) = 1 [pid 5272] <... futex resumed>) = 0 [pid 5273] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5272] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5271] <... futex resumed>) = 0 [pid 5271] exit_group(0 [pid 5273] <... futex resumed>) = ? [pid 5272] <... futex resumed>) = ? [pid 5271] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5271] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5274 ./strace-static-x86_64: Process 5274 attached [pid 5274] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5274] setpgid(0, 0) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5274] write(3, "1000", 4) = 4 [pid 5274] close(3) = 0 [pid 5274] write(1, "executing program\n", 18executing program ) = 18 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5274] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5275 attached [pid 5275] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5274] <... clone3 resumed> => {parent_tid=[5275]}, 88) = 5275 [pid 5275] <... rseq resumed>) = 0 [pid 5275] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5275] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 1 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5275] memfd_create("syzkaller", 0) = 3 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5275] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5275] munmap(0x7fe65a800000, 138412032) = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5275] close(3) = 0 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... open resumed>) = 3 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5275] <... futex resumed>) = 1 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5274] <... futex resumed>) = 0 [pid 5275] <... open resumed>) = 4 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5274] <... futex resumed>) = 0 [pid 5275] <... mmap resumed>) = 0x20000000 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 1 [pid 5275] ftruncate(4, 2150145) = 0 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 1 [pid 5275] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5275] <... futex resumed>) = 1 [pid 5275] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 6 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5274] <... futex resumed>) = 0 [pid 5275] sendfile(6, 5, NULL, 281483568746501 [pid 5274] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 64.014506][ T29] audit: type=1800 audit(1724818031.253:21): pid=5275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5274] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5274] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5274] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5274] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5276 attached [pid 5276] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5274] <... clone3 resumed> => {parent_tid=[5276]}, 88) = 5276 [pid 5276] <... rseq resumed>) = 0 [pid 5276] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5276] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5274] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5276] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 1 [pid 5274] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] creat("./bus", 000) = 7 [pid 5276] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 1 [pid 5276] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5275] <... sendfile resumed>) = 249856 [pid 5275] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5274] exit_group(0 [pid 5276] <... futex resumed>) = ? [pid 5275] <... futex resumed>) = ? [pid 5274] <... exit_group resumed>) = ? [pid 5276] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5277 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5277] write(3, "1000", 4) = 4 [pid 5277] close(3executing program ) = 0 [pid 5277] write(1, "executing program\n", 18) = 18 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5277] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5278 attached [pid 5278] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5277] <... clone3 resumed> => {parent_tid=[5278]}, 88) = 5278 [pid 5278] <... rseq resumed>) = 0 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5278] set_robust_list(0x7fe662d519a0, 24 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5278] <... set_robust_list resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5278] memfd_create("syzkaller", 0) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5278] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5278] munmap(0x7fe65a800000, 138412032) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5278] close(3) = 0 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5277] <... futex resumed>) = 0 [pid 5278] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] <... futex resumed>) = 0 [pid 5278] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 1 [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 1 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5277] <... futex resumed>) = 0 [pid 5278] <... mmap resumed>) = 0x20000000 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 1 [pid 5277] <... futex resumed>) = 0 [pid 5278] ftruncate(4, 2150145 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... ftruncate resumed>) = 0 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = 1 [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5277] <... futex resumed>) = 0 [pid 5278] <... open resumed>) = 5 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] <... futex resumed>) = 0 [pid 5278] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... open resumed>) = 6 [ 64.269792][ T29] audit: type=1800 audit(1724818031.513:22): pid=5278 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] <... futex resumed>) = 0 [pid 5278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5277] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] sendfile(6, 5, NULL, 281483568746501 [pid 5277] <... futex resumed>) = 0 [pid 5277] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5277] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5277] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5277] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5279 attached [pid 5279] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5277] <... clone3 resumed> => {parent_tid=[5279]}, 88) = 5279 [pid 5279] <... rseq resumed>) = 0 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] set_robust_list(0x7fe662d309a0, 24 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5277] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5277] <... futex resumed>) = 0 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] creat("./bus", 000) = 7 [pid 5279] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5277] <... futex resumed>) = 0 [pid 5279] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] <... sendfile resumed>) = 262144 [pid 5278] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] exit_group(0 [pid 5278] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5277] <... exit_group resumed>) = ? [pid 5279] <... futex resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5277] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached , child_tidptr=0x555561f0b690) = 5280 [pid 5280] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] setpgid(0, 0) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 executing program [pid 5280] write(1, "executing program\n", 18) = 18 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5280] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5281 attached [pid 5281] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5280] <... clone3 resumed> => {parent_tid=[5281]}, 88) = 5281 [pid 5281] set_robust_list(0x7fe662d519a0, 24 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5281] memfd_create("syzkaller", 0 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5281] <... memfd_create resumed>) = 3 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5281] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5281] munmap(0x7fe65a800000, 138412032) = 0 [pid 5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5281] close(3) = 0 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5281] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... open resumed>) = 3 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... futex resumed>) = 0 [pid 5281] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5281] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... mmap resumed>) = 0x20000000 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] <... futex resumed>) = 0 [pid 5281] ftruncate(4, 2150145 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... ftruncate resumed>) = 0 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 1 [pid 5281] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... open resumed>) = 5 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] <... futex resumed>) = 0 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... open resumed>) = 6 [ 64.539412][ T29] audit: type=1800 audit(1724818031.783:23): pid=5281 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 1 [pid 5281] sendfile(6, 5, NULL, 281483568746501 [pid 5280] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5280] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5280] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5280] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5282 attached [pid 5282] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5280] <... clone3 resumed> => {parent_tid=[5282]}, 88) = 5282 [pid 5282] <... rseq resumed>) = 0 [pid 5282] set_robust_list(0x7fe662d309a0, 24 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5282] <... set_robust_list resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5280] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5280] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5282] creat("./bus", 000) = 7 [pid 5282] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5281] <... sendfile resumed>) = 237568 [pid 5280] <... futex resumed>) = 0 [pid 5282] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5281] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] exit_group(0 [pid 5281] <... futex resumed>) = 0 [pid 5281] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5280] <... exit_group resumed>) = ? [pid 5282] <... futex resumed>) = ? [pid 5281] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5283 ./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] write(1, "executing program\n", 18executing program ) = 18 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5283] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5284 attached [pid 5284] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5283] <... clone3 resumed> => {parent_tid=[5284]}, 88) = 5284 [pid 5284] set_robust_list(0x7fe662d519a0, 24 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5284] <... set_robust_list resumed>) = 0 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5284] memfd_create("syzkaller", 0 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5284] <... memfd_create resumed>) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5284] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5284] munmap(0x7fe65a800000, 138412032) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5284] close(3) = 0 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... futex resumed>) = 1 [pid 5284] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5284] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... futex resumed>) = 0 [pid 5284] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... mmap resumed>) = 0x20000000 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5284] ftruncate(4, 2150145 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... ftruncate resumed>) = 0 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5284] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... open resumed>) = 5 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5283] <... futex resumed>) = 0 [pid 5284] <... open resumed>) = 6 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [ 64.791325][ T29] audit: type=1800 audit(1724818032.033:24): pid=5284 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5284] sendfile(6, 5, NULL, 281483568746501 [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5283] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5283] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5283] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5285 attached [pid 5285] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5283] <... clone3 resumed> => {parent_tid=[5285]}, 88) = 5285 [pid 5285] set_robust_list(0x7fe662d309a0, 24 [pid 5283] rt_sigprocmask(SIG_SETMASK, [], [pid 5285] <... set_robust_list resumed>) = 0 [pid 5283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], [pid 5283] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5285] creat("./bus", 000) = 7 [pid 5285] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5285] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5284] <... sendfile resumed>) = 229376 [pid 5284] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] exit_group(0 [pid 5285] <... futex resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5283] <... exit_group resumed>) = ? [pid 5285] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5283] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached [pid 5286] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5286 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5286] setpgid(0, 0) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5286] write(3, "1000", 4) = 4 [pid 5286] close(3) = 0 [pid 5286] write(1, "executing program\n", 18executing program ) = 18 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5286] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5287 attached [pid 5287] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5286] <... clone3 resumed> => {parent_tid=[5287]}, 88) = 5287 [pid 5287] <... rseq resumed>) = 0 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5287] set_robust_list(0x7fe662d519a0, 24 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5287] memfd_create("syzkaller", 0) = 3 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5287] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5287] munmap(0x7fe65a800000, 138412032) = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5287] close(3) = 0 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... open resumed>) = 3 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5287] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5286] <... futex resumed>) = 1 [pid 5287] <... open resumed>) = 4 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] <... futex resumed>) = 0 [pid 5287] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... mmap resumed>) = 0x20000000 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] <... futex resumed>) = 0 [pid 5287] ftruncate(4, 2150145 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... ftruncate resumed>) = 0 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = 0 [pid 5287] <... futex resumed>) = 1 [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5286] <... futex resumed>) = 0 [pid 5287] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] <... futex resumed>) = 0 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5287] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5286] <... futex resumed>) = 1 [pid 5287] <... open resumed>) = 5 [ 65.057785][ T29] audit: type=1800 audit(1724818032.303:25): pid=5287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5287] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5286] <... futex resumed>) = 0 [pid 5287] <... open resumed>) = 6 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] <... futex resumed>) = 0 [pid 5286] <... futex resumed>) = 1 [pid 5287] sendfile(6, 5, NULL, 281483568746501 [pid 5286] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5286] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5286] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5286] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5288 attached => {parent_tid=[5288]}, 88) = 5288 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5286] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5288] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5286] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5288] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5288] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5288] creat("./bus", 000) = 7 [pid 5288] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5288] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] <... sendfile resumed>) = 233472 [pid 5287] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] exit_group(0 [pid 5288] <... futex resumed>) = ? [pid 5287] <... futex resumed>) = ? [pid 5286] <... exit_group resumed>) = ? [pid 5288] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5289 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5289] write(3, "1000", 4) = 4 [pid 5289] close(3) = 0 executing program [pid 5289] write(1, "executing program\n", 18) = 18 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5289] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5290 attached [pid 5290] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5289] <... clone3 resumed> => {parent_tid=[5290]}, 88) = 5290 [pid 5290] <... rseq resumed>) = 0 [pid 5290] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 1 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5290] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5290] munmap(0x7fe65a800000, 138412032) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5290] close(3) = 0 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5290] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... open resumed>) = 3 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... futex resumed>) = 0 [pid 5290] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... mmap resumed>) = 0x20000000 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5289] <... futex resumed>) = 1 [pid 5290] ftruncate(4, 2150145 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... ftruncate resumed>) = 0 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] <... futex resumed>) = 0 [pid 5290] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... open resumed>) = 5 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5289] <... futex resumed>) = 0 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... open resumed>) = 6 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = 0 [pid 5290] <... futex resumed>) = 1 [pid 5289] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] sendfile(6, 5, NULL, 281483568746501 [pid 5289] <... futex resumed>) = 0 [ 65.342853][ T29] audit: type=1800 audit(1724818032.583:26): pid=5290 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5289] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5289] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5291 attached => {parent_tid=[5291]}, 88) = 5291 [pid 5291] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5289] rt_sigprocmask(SIG_SETMASK, [], [pid 5291] <... rseq resumed>) = 0 [pid 5289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] set_robust_list(0x7fe662d309a0, 24 [pid 5289] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], [pid 5289] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5291] creat("./bus", 000) = 7 [pid 5291] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5291] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] <... futex resumed>) = 0 [pid 5290] <... sendfile resumed>) = 237568 [pid 5290] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] exit_group(0 [pid 5291] <... futex resumed>) = ? [pid 5290] <... futex resumed>) = ? [pid 5289] <... exit_group resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5291] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached , child_tidptr=0x555561f0b690) = 5292 [pid 5292] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] write(1, "executing program\n", 18executing program ) = 18 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5292] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5293 attached [pid 5293] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5293] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5292] <... clone3 resumed> => {parent_tid=[5293]}, 88) = 5293 [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] memfd_create("syzkaller", 0) = 3 [pid 5292] <... futex resumed>) = 0 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5293] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5293] munmap(0x7fe65a800000, 138412032) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5293] close(3) = 0 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5293] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... open resumed>) = 3 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... futex resumed>) = 0 [pid 5293] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... mmap resumed>) = 0x20000000 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] ftruncate(4, 2150145 [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... ftruncate resumed>) = 0 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5293] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... open resumed>) = 5 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5293] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... open resumed>) = 6 [pid 5292] <... futex resumed>) = 0 [ 65.565201][ T29] audit: type=1800 audit(1724818032.803:27): pid=5293 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5293] sendfile(6, 5, NULL, 281483568746501 [pid 5292] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5292] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5292] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5294 attached => {parent_tid=[5294]}, 88) = 5294 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5294] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5292] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] set_robust_list(0x7fe662d309a0, 24 [pid 5292] <... futex resumed>) = 0 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5292] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5294] creat("./bus", 000) = 7 [pid 5294] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5294] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5293] <... sendfile resumed>) = 270336 [pid 5293] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] exit_group(0 [pid 5294] <... futex resumed>) = ? [pid 5293] <... futex resumed>) = ? [pid 5292] <... exit_group resumed>) = ? [pid 5294] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5295 ./strace-static-x86_64: Process 5295 attached [pid 5295] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 executing program [pid 5295] write(1, "executing program\n", 18) = 18 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5295] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5296 attached [pid 5296] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5295] <... clone3 resumed> => {parent_tid=[5296]}, 88) = 5296 [pid 5296] <... rseq resumed>) = 0 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5296] set_robust_list(0x7fe662d519a0, 24 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] <... futex resumed>) = 0 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5296] memfd_create("syzkaller", 0) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5296] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5296] munmap(0x7fe65a800000, 138412032) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5296] close(3) = 0 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... futex resumed>) = 0 [pid 5296] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... open resumed>) = 3 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... futex resumed>) = 0 [pid 5296] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... mmap resumed>) = 0x20000000 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] ftruncate(4, 2150145) = 0 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 1 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = 0 [pid 5295] <... futex resumed>) = 1 [pid 5296] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... open resumed>) = 5 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... futex resumed>) = 0 [pid 5296] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... open resumed>) = 6 [ 65.838078][ T29] audit: type=1800 audit(1724818033.083:28): pid=5296 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] sendfile(6, 5, NULL, 281483568746501 [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5295] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5295] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5295] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5295] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5297 attached [pid 5297] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5297] set_robust_list(0x7fe662d309a0, 24 [pid 5295] <... clone3 resumed> => {parent_tid=[5297]}, 88) = 5297 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5297] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] creat("./bus", 000) = 7 [pid 5297] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5297] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... sendfile resumed>) = 233472 [pid 5296] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] exit_group(0 [pid 5297] <... futex resumed>) = ? [pid 5296] <... futex resumed>) = ? [pid 5295] <... exit_group resumed>) = ? [pid 5297] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached [pid 5298] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5298 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5298] setpgid(0, 0) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5298] write(3, "1000", 4) = 4 [pid 5298] close(3) = 0 [pid 5298] write(1, "executing program\n", 18executing program ) = 18 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5298] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5299 attached [pid 5299] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5298] <... clone3 resumed> => {parent_tid=[5299]}, 88) = 5299 [pid 5299] set_robust_list(0x7fe662d519a0, 24 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... futex resumed>) = 0 [pid 5299] memfd_create("syzkaller", 0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5299] <... memfd_create resumed>) = 3 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5299] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5299] munmap(0x7fe65a800000, 138412032) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5299] close(3) = 0 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5299] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... open resumed>) = 3 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 1 [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... open resumed>) = 4 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 1 [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5298] <... futex resumed>) = 0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... mmap resumed>) = 0x20000000 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5299] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] <... futex resumed>) = 0 [pid 5299] ftruncate(4, 2150145) = 0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 1 [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5298] <... futex resumed>) = 0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] <... open resumed>) = 5 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5299] <... futex resumed>) = 1 [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5298] <... futex resumed>) = 0 [pid 5299] <... open resumed>) = 6 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5298] <... futex resumed>) = 0 [pid 5299] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5298] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] sendfile(6, 5, NULL, 281483568746501 [pid 5298] <... futex resumed>) = 0 [ 66.116887][ T29] audit: type=1800 audit(1724818033.363:29): pid=5299 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor360" name="bus" dev="sda1" ino=1928 res=0 errno=0 [pid 5298] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5298] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5298] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5300 attached [pid 5300] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5300] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5298] <... clone3 resumed> => {parent_tid=[5300]}, 88) = 5300 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] creat("./bus", 000) = 7 [pid 5300] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5300] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] <... futex resumed>) = 0 [pid 5299] <... sendfile resumed>) = 262144 [pid 5299] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5298] exit_group(0 [pid 5300] <... futex resumed>) = ? [pid 5299] <... futex resumed>) = ? [pid 5298] <... exit_group resumed>) = ? [pid 5300] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5301 attached [pid 5301] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5301 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5301] setpgid(0, 0) = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5301] write(3, "1000", 4) = 4 [pid 5301] close(3) = 0 [pid 5301] write(1, "executing program\n", 18executing program ) = 18 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5301] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5302 attached [pid 5302] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5301] <... clone3 resumed> => {parent_tid=[5302]}, 88) = 5302 [pid 5302] <... rseq resumed>) = 0 [pid 5302] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = 1 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5302] memfd_create("syzkaller", 0) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5302] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5302] munmap(0x7fe65a800000, 138412032) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5302] close(3) = 0 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... open resumed>) = 3 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5302] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... open resumed>) = 4 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5302] <... futex resumed>) = 1 [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... mmap resumed>) = 0x20000000 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... futex resumed>) = 0 [pid 5302] ftruncate(4, 2150145 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... ftruncate resumed>) = 0 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] <... futex resumed>) = 0 [pid 5302] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5302] <... futex resumed>) = 0 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = 0 [pid 5302] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5301] <... futex resumed>) = 1 [pid 5302] <... open resumed>) = 6 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] <... futex resumed>) = 0 [pid 5302] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] <... futex resumed>) = 0 [pid 5302] sendfile(6, 5, NULL, 281483568746501 [pid 5301] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5301] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5301] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5303 attached [pid 5303] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5303] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5301] <... clone3 resumed> => {parent_tid=[5303]}, 88) = 5303 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5301] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] creat("./bus", 000 [pid 5301] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5303] <... creat resumed>) = 7 [pid 5303] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5303] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... sendfile resumed>) = 266240 [pid 5302] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] exit_group(0 [pid 5303] <... futex resumed>) = ? [pid 5301] <... exit_group resumed>) = ? [pid 5303] +++ exited with 0 +++ [pid 5302] <... futex resumed>) = ? [pid 5302] +++ exited with 0 +++ [pid 5301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5304 attached , child_tidptr=0x555561f0b690) = 5304 [pid 5304] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5304] write(1, "executing program\n", 18executing program ) = 18 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5304] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5305 attached => {parent_tid=[5305]}, 88) = 5305 [pid 5305] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5305] <... rseq resumed>) = 0 [pid 5305] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5305] memfd_create("syzkaller", 0) = 3 [pid 5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5305] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5305] munmap(0x7fe65a800000, 138412032) = 0 [pid 5305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5305] close(3) = 0 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5305] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... open resumed>) = 3 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... futex resumed>) = 0 [pid 5305] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... open resumed>) = 4 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... mmap resumed>) = 0x20000000 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = 0 [pid 5305] ftruncate(4, 2150145 [pid 5304] <... futex resumed>) = 1 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] <... ftruncate resumed>) = 0 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = 0 [pid 5304] <... futex resumed>) = 1 [pid 5305] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5305] <... futex resumed>) = 0 [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5304] <... futex resumed>) = 0 [pid 5305] <... open resumed>) = 6 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5304] <... futex resumed>) = 0 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5304] <... futex resumed>) = 0 [pid 5305] sendfile(6, 5, NULL, 281483568746501 [pid 5304] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5304] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5304] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5306 attached [pid 5306] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5304] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5304] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... rseq resumed>) = 0 [pid 5304] <... futex resumed>) = 0 [pid 5306] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5304] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] creat("./bus", 000) = 7 [pid 5306] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5305] <... sendfile resumed>) = 217088 [pid 5306] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5304] <... futex resumed>) = 0 [pid 5305] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5304] exit_group(0 [pid 5305] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5306] <... futex resumed>) = ? [pid 5304] <... exit_group resumed>) = ? [pid 5305] +++ exited with 0 +++ [pid 5306] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5307 ./strace-static-x86_64: Process 5307 attached [pid 5307] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 [pid 5307] write(1, "executing program\n", 18executing program ) = 18 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5307] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5308 attached => {parent_tid=[5308]}, 88) = 5308 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5308] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] set_robust_list(0x7fe662d519a0, 24 [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] <... futex resumed>) = 0 [pid 5308] rt_sigprocmask(SIG_SETMASK, [], [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5308] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5308] munmap(0x7fe65a800000, 138412032) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5308] close(3) = 0 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5308] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... open resumed>) = 3 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5308] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5308] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... open resumed>) = 4 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... mmap resumed>) = 0x20000000 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5308] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5308] ftruncate(4, 2150145 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... ftruncate resumed>) = 0 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... open resumed>) = 5 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5307] <... futex resumed>) = 0 [pid 5308] <... futex resumed>) = 1 [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5307] <... futex resumed>) = 0 [pid 5308] <... open resumed>) = 6 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5308] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5307] <... futex resumed>) = 0 [pid 5308] sendfile(6, 5, NULL, 281483568746501 [pid 5307] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5307] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5307] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5309 attached [pid 5309] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5307] <... clone3 resumed> => {parent_tid=[5309]}, 88) = 5309 [pid 5309] <... rseq resumed>) = 0 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], [pid 5309] set_robust_list(0x7fe662d309a0, 24 [pid 5307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5307] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] creat("./bus", 000) = 7 [pid 5309] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5309] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] <... futex resumed>) = 0 [pid 5308] <... sendfile resumed>) = 200704 [pid 5308] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5307] exit_group(0 [pid 5308] <... futex resumed>) = ? [pid 5307] <... exit_group resumed>) = ? [pid 5309] <... futex resumed>) = ? [pid 5308] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5310 attached , child_tidptr=0x555561f0b690) = 5310 [pid 5310] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5310] setpgid(0, 0) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5310] write(3, "1000", 4) = 4 [pid 5310] close(3) = 0 [pid 5310] write(1, "executing program\n", 18executing program ) = 18 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5310] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5311 attached [pid 5311] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5310] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 [pid 5311] <... rseq resumed>) = 0 [pid 5311] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5311] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 1 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5311] memfd_create("syzkaller", 0) = 3 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5311] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5311] munmap(0x7fe65a800000, 138412032) = 0 [pid 5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5311] close(3) = 0 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... open resumed>) = 3 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5311] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... open resumed>) = 4 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... futex resumed>) = 0 [pid 5311] <... futex resumed>) = 1 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... mmap resumed>) = 0x20000000 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5311] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] ftruncate(4, 2150145 [pid 5310] <... futex resumed>) = 0 [pid 5311] <... ftruncate resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5311] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 1 [pid 5311] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... open resumed>) = 5 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5310] <... futex resumed>) = 0 [pid 5311] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... open resumed>) = 6 [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5311] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] sendfile(6, 5, NULL, 281483568746501 [pid 5310] <... futex resumed>) = 0 [pid 5310] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5310] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5310] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5312 attached [pid 5312] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5310] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 [pid 5312] <... rseq resumed>) = 0 [pid 5312] set_robust_list(0x7fe662d309a0, 24) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5312] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5310] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 1 [pid 5310] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] creat("./bus", 000) = 7 [pid 5311] <... sendfile resumed>) = 233472 [pid 5311] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5312] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5310] <... futex resumed>) = 0 [pid 5312] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5311] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5310] exit_group(0 [pid 5312] <... futex resumed>) = ? [pid 5311] <... futex resumed>) = ? [pid 5310] <... exit_group resumed>) = ? [pid 5312] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5313 ./strace-static-x86_64: Process 5313 attached [pid 5313] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 executing program [pid 5313] write(1, "executing program\n", 18) = 18 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5313] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5314 attached => {parent_tid=[5314]}, 88) = 5314 [pid 5314] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5314] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5314] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5314] munmap(0x7fe65a800000, 138412032) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5314] close(3) = 0 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... open resumed>) = 3 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 1 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5313] <... futex resumed>) = 0 [pid 5314] <... open resumed>) = 4 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... mmap resumed>) = 0x20000000 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] ftruncate(4, 2150145) = 0 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5314] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... ioctl resumed> => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... futex resumed>) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... open resumed>) = 6 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5313] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 1 [pid 5313] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] sendfile(6, 5, NULL, 281483568746501 [pid 5313] <... futex resumed>) = 0 [pid 5313] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5313] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5313] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5315 attached [pid 5315] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5313] <... clone3 resumed> => {parent_tid=[5315]}, 88) = 5315 [pid 5315] set_robust_list(0x7fe662d309a0, 24 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], [pid 5315] <... set_robust_list resumed>) = 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5313] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] creat("./bus", 000 [pid 5313] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5315] <... creat resumed>) = 7 [pid 5314] <... sendfile resumed>) = 290816 [pid 5315] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5313] <... futex resumed>) = 0 [pid 5314] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] <... futex resumed>) = 0 [pid 5313] exit_group(0 [pid 5315] <... futex resumed>) = ? [pid 5313] <... exit_group resumed>) = ? [pid 5315] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5316 attached , child_tidptr=0x555561f0b690) = 5316 [pid 5316] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5316] setpgid(0, 0) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 5316] close(3) = 0 [pid 5316] write(1, "executing program\n", 18executing program ) = 18 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5316] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5316] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5317 attached [pid 5317] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5316] <... clone3 resumed> => {parent_tid=[5317]}, 88) = 5317 [pid 5317] <... rseq resumed>) = 0 [pid 5317] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 1 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5317] memfd_create("syzkaller", 0) = 3 [pid 5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5317] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5317] munmap(0x7fe65a800000, 138412032) = 0 [pid 5317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5317] close(3) = 0 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5316] <... futex resumed>) = 0 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] <... mmap resumed>) = 0x20000000 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 1 [pid 5317] ftruncate(4, 2150145 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] <... ftruncate resumed>) = 0 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5316] <... futex resumed>) = 0 [pid 5317] <... open resumed>) = 6 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5316] <... futex resumed>) = 0 [pid 5317] sendfile(6, 5, NULL, 281483568746501 [pid 5316] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5316] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5316] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5316] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5316] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5318 attached [pid 5318] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5316] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5318] <... rseq resumed>) = 0 [pid 5318] set_robust_list(0x7fe662d309a0, 24 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5318] <... set_robust_list resumed>) = 0 [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5316] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5316] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] creat("./bus", 000) = 7 [pid 5317] <... sendfile resumed>) = 311296 [pid 5318] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5316] <... futex resumed>) = 0 [pid 5318] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5316] exit_group(0 [pid 5318] <... futex resumed>) = ? [pid 5317] <... futex resumed>) = ? [pid 5316] <... exit_group resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5317] +++ exited with 0 +++ [pid 5316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5319 ./strace-static-x86_64: Process 5319 attached [pid 5319] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5319] setpgid(0, 0) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5319] write(3, "1000", 4) = 4 [pid 5319] close(3executing program ) = 0 [pid 5319] write(1, "executing program\n", 18) = 18 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5319] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5319] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5320 attached [pid 5320] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5319] <... clone3 resumed> => {parent_tid=[5320]}, 88) = 5320 [pid 5320] <... rseq resumed>) = 0 [pid 5320] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5319] <... futex resumed>) = 1 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5320] memfd_create("syzkaller", 0) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5320] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5320] munmap(0x7fe65a800000, 138412032) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5320] close(3) = 0 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... open resumed>) = 3 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 0 [pid 5319] <... futex resumed>) = 1 [pid 5320] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... open resumed>) = 4 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = 0 [pid 5320] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... mmap resumed>) = 0x20000000 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = 0 [pid 5320] ftruncate(4, 2150145 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... ftruncate resumed>) = 0 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 1 [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5319] <... futex resumed>) = 0 [pid 5320] <... open resumed>) = 5 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 1 [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5319] <... futex resumed>) = 0 [pid 5320] <... open resumed>) = 6 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5319] <... futex resumed>) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] <... futex resumed>) = 0 [pid 5320] sendfile(6, 5, NULL, 281483568746501 [pid 5319] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5319] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5319] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5319] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5319] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5321 attached [pid 5321] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5319] <... clone3 resumed> => {parent_tid=[5321]}, 88) = 5321 [pid 5321] set_robust_list(0x7fe662d309a0, 24 [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5321] <... set_robust_list resumed>) = 0 [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], [pid 5319] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5321] creat("./bus", 000) = 7 [pid 5321] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5321] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] <... futex resumed>) = 0 [pid 5320] <... sendfile resumed>) = 221184 [pid 5320] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5319] exit_group(0 [pid 5320] <... futex resumed>) = ? [pid 5319] <... exit_group resumed>) = ? [pid 5321] <... futex resumed>) = ? [pid 5320] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561f0b690) = 5322 ./strace-static-x86_64: Process 5322 attached [pid 5322] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5322] setpgid(0, 0) = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5322] write(3, "1000", 4) = 4 executing program [pid 5322] close(3) = 0 [pid 5322] write(1, "executing program\n", 18) = 18 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5322] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5323 attached => {parent_tid=[5323]}, 88) = 5323 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5323] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053) = 0 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] set_robust_list(0x7fe662d519a0, 24 [pid 5322] <... futex resumed>) = 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5323] memfd_create("syzkaller", 0) = 3 [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5323] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5323] munmap(0x7fe65a800000, 138412032) = 0 [pid 5323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5323] close(3) = 0 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... open resumed>) = 3 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5323] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... open resumed>) = 4 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<) = 0 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] ftruncate(4, 2150145 [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... ftruncate resumed>) = 0 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5323] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... open resumed>) = 5 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5322] <... futex resumed>) = 0 [pid 5323] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] <... open resumed>) = 6 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 1 [pid 5322] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] sendfile(6, 5, NULL, 281483568746501 [pid 5322] <... futex resumed>) = 0 [pid 5322] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5322] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5322] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5322] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5324 attached [pid 5324] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5322] <... clone3 resumed> => {parent_tid=[5324]}, 88) = 5324 [pid 5324] set_robust_list(0x7fe662d309a0, 24 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], [pid 5324] <... set_robust_list resumed>) = 0 [pid 5322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], [pid 5322] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5322] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] creat("./bus", 000) = 7 [pid 5324] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5322] <... futex resumed>) = 0 [pid 5324] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] <... sendfile resumed>) = 270336 [pid 5323] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] exit_group(0 [pid 5324] <... futex resumed>) = ? [pid 5323] <... futex resumed>) = ? [pid 5322] <... exit_group resumed>) = ? [pid 5323] +++ exited with 0 +++ [pid 5324] +++ exited with 0 +++ [pid 5322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5325 attached [pid 5325] set_robust_list(0x555561f0b6a0, 24 [pid 5215] <... clone resumed>, child_tidptr=0x555561f0b690) = 5325 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5325] setpgid(0, 0) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5325] write(3, "1000", 4) = 4 [pid 5325] close(3) = 0 [pid 5325] write(1, "executing program\n", 18executing program ) = 18 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5325] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5326 attached [pid 5326] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5325] <... clone3 resumed> => {parent_tid=[5326]}, 88) = 5326 [pid 5326] <... rseq resumed>) = 0 [pid 5326] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = 1 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5326] memfd_create("syzkaller", 0) = 3 [pid 5326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5326] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5326] munmap(0x7fe65a800000, 138412032) = 0 [pid 5326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5326] close(3) = 0 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... open resumed>) = 3 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] <... futex resumed>) = 0 [pid 5326] open("./bus", O_RDWR|O_SYNC|0x3c) = 4 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... futex resumed>) = 0 [pid 5325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] <... futex resumed>) = 0 [pid 5326] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... mmap resumed>) = 0x20000000 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5326] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] ftruncate(4, 2150145) = 0 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5325] <... futex resumed>) = 0 [pid 5326] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] <... open resumed>) = 5 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5325] <... futex resumed>) = 0 [pid 5326] <... futex resumed>) = 1 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5325] <... futex resumed>) = 0 [pid 5326] <... open resumed>) = 6 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5326] sendfile(6, 5, NULL, 281483568746501 [pid 5325] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5325] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5325] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5325] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5325] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5327 attached [pid 5327] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053 [pid 5325] <... clone3 resumed> => {parent_tid=[5327]}, 88) = 5327 [pid 5327] <... rseq resumed>) = 0 [pid 5325] rt_sigprocmask(SIG_SETMASK, [], [pid 5327] set_robust_list(0x7fe662d309a0, 24 [pid 5325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5325] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5325] <... futex resumed>) = 0 [pid 5325] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5327] creat("./bus", 000) = 7 [pid 5327] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5325] <... futex resumed>) = 0 [pid 5327] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] <... sendfile resumed>) = 253952 [pid 5326] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5326] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5325] exit_group(0 [pid 5327] <... futex resumed>) = ? [pid 5326] <... futex resumed>) = ? [pid 5325] <... exit_group resumed>) = ? [pid 5327] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5328 attached , child_tidptr=0x555561f0b690) = 5328 [pid 5328] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5328] setpgid(0, 0) = 0 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5328] write(3, "1000", 4) = 4 [pid 5328] close(3) = 0 [pid 5328] write(1, "executing program\n", 18executing program ) = 18 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5328] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5329 attached => {parent_tid=[5329]}, 88) = 5329 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5329] <... rseq resumed>) = 0 [pid 5329] set_robust_list(0x7fe662d519a0, 24) = 0 [pid 5329] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5329] memfd_create("syzkaller", 0) = 3 [pid 5329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5329] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5329] munmap(0x7fe65a800000, 138412032) = 0 [pid 5329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5329] close(3) = 0 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] open("./bus", O_RDWR|O_SYNC|0x3c [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... open resumed>) = 4 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 0 [pid 5329] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSDOWN|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... mmap resumed>) = 0x20000000 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] ftruncate(4, 2150145 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... ftruncate resumed>) = 0 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=6, fm_flags=0, fm_extent_count=74} => {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5329] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 5 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = 0 [pid 5329] <... futex resumed>) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 1 [pid 5329] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5329] <... open resumed>) = 6 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 0 [pid 5329] sendfile(6, 5, NULL, 281483568746501 [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5328] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5328] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d10000 [pid 5328] mprotect(0x7fe662d11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5328] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d30990, parent_tid=0x7fe662d30990, exit_signal=0, stack=0x7fe662d10000, stack_size=0x20300, tls=0x7fe662d306c0}./strace-static-x86_64: Process 5330 attached [pid 5330] rseq(0x7fe662d30fe0, 0x20, 0, 0x53053053) = 0 [pid 5328] <... clone3 resumed> => {parent_tid=[5330]}, 88) = 5330 [pid 5330] set_robust_list(0x7fe662d309a0, 24 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... set_robust_list resumed>) = 0 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5328] futex(0x7fe662e42718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] <... futex resumed>) = 0 [pid 5328] futex(0x7fe662e4271c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] creat("./bus", 000) = 7 [pid 5330] futex(0x7fe662e4271c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5330] futex(0x7fe662e42718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5329] <... sendfile resumed>) = 282624 [pid 5329] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5329] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] exit_group(0 [pid 5329] <... futex resumed>) = ? [pid 5328] <... exit_group resumed>) = ? [pid 5329] +++ exited with 0 +++ [pid 5330] <... futex resumed>) = ? [pid 5330] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached , child_tidptr=0x555561f0b690) = 5331 [pid 5331] set_robust_list(0x555561f0b6a0, 24) = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5331] setpgid(0, 0) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5331] write(3, "1000", 4) = 4 [pid 5331] close(3) = 0 executing program [pid 5331] write(1, "executing program\n", 18) = 18 [pid 5331] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] rt_sigaction(SIGRT_1, {sa_handler=0x7fe662dc1870, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fe662db2f20}, NULL, 8) = 0 [pid 5331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe662d31000 [pid 5331] mprotect(0x7fe662d32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5331] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fe662d51990, parent_tid=0x7fe662d51990, exit_signal=0, stack=0x7fe662d31000, stack_size=0x20300, tls=0x7fe662d516c0}./strace-static-x86_64: Process 5332 attached [pid 5332] rseq(0x7fe662d51fe0, 0x20, 0, 0x53053053 [pid 5331] <... clone3 resumed> => {parent_tid=[5332]}, 88) = 5332 [pid 5332] <... rseq resumed>) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], [pid 5332] set_robust_list(0x7fe662d519a0, 24 [pid 5331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5331] <... futex resumed>) = 0 [pid 5331] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5332] memfd_create("syzkaller", 0) = 3 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe65a800000 [pid 5332] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5332] munmap(0x7fe65a800000, 138412032) = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5332] close(3) = 0 [pid 5332] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5331] <... futex resumed>) = 0 [pid 5332] futex(0x7fe662e42708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] futex(0x7fe662e42708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5331] <... futex resumed>) = 0 [pid 5332] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5331] futex(0x7fe662e4270c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... open resumed>) = 3 [pid 5332] futex(0x7fe662e4270c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5331] <... futex resumed>) = 0