./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2713590080

<...>
Warning: Permanently added '10.128.1.245' (ED25519) to the list of known hosts.
execve("./syz-executor2713590080", ["./syz-executor2713590080"], 0x7fffa670c530 /* 10 vars */) = 0
brk(NULL)                               = 0x55556216e000
brk(0x55556216ed00)                     = 0x55556216ed00
arch_prctl(ARCH_SET_FS, 0x55556216e380) = 0
set_tid_address(0x55556216e650)         = 290
set_robust_list(0x55556216e660, 24)     = 0
rseq(0x55556216eca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2713590080", 4096) = 28
getrandom("\x74\xf3\x6a\xb1\x63\xf9\x74\x90", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556216ed00
brk(0x55556218fd00)                     = 0x55556218fd00
brk(0x555562190000)                     = 0x555562190000
mprotect(0x7f8612c27000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 291
./strace-static-x86_64: Process 291 attached
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   291] set_robust_list(0x55556216e660, 24) = 0
./strace-static-x86_64: Process 292 attached
[pid   290] <... clone resumed>, child_tidptr=0x55556216e650) = 292
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   292] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   291] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program
./strace-static-x86_64: Process 293 attached
 <unfinished ...>
[pid   292] <... set_robust_list resumed>) = 0
[pid   291] <... openat resumed>)       = 3
[pid   290] <... clone resumed>, child_tidptr=0x55556216e650) = 293
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 294
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 295
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   292] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   292] close(3)                    = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 296
[pid   293] set_robust_list(0x55556216e660, 24) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   291] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   291] close(3)                    = 0
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   293] <... openat resumed>)       = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55556216e660, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setpgid(0, 0)               = 0
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "1000", 4)         = 4
[pid   297] close(3)                    = 0
[pid   297] write(1, "executing program\n", 18) = 18
[pid   297] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[   27.504412][   T28] audit: type=1400 audit(1752316679.283:64): avc:  denied  { execmem } for  pid=290 comm="syz-executor271" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.525619][   T28] audit: type=1400 audit(1752316679.303:65): avc:  denied  { read write } for  pid=291 comm="syz-executor271" name="loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   297] write(3, "0x0000000000000700", 18./strace-static-x86_64: Process 296 attached
./strace-static-x86_64: Process 295 attached
./strace-static-x86_64: Process 294 attached
 <unfinished ...>
[pid   295] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   297] <... write resumed>)        = 18
[pid   295] <... set_robust_list resumed>) = 0
[pid   294] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   297] memfd_create("syzkaller", 0) = 4
[pid   294] <... set_robust_list resumed>) = 0
[pid   297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   294] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   296] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   296] <... set_robust_list resumed>) = 0
[pid   295] <... openat resumed>)       = 3
[pid   294] <... openat resumed>)       = 3
[pid   291] <... clone resumed>, child_tidptr=0x55556216e650) = 299
[pid   295] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   294] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   294] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   295] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid   296] <... prctl resumed>)        = 0
[pid   295] close(3 <unfinished ...>
[pid   296] setpgid(0, 0 <unfinished ...>
[pid   294] close(3 <unfinished ...>
[pid   295] <... close resumed>)        = 0
[pid   294] <... close resumed>)        = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   296] <... setpgid resumed>)      = 0
[pid   294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   295] <... clone resumed>, child_tidptr=0x55556216e650) = 301
[pid   294] <... clone resumed>, child_tidptr=0x55556216e650) = 300
[pid   296] <... openat resumed>)       = 3
[pid   296] write(3, "1000", 4 <unfinished ...>
[pid   297] <... write resumed>)        = 262144
[pid   296] <... write resumed>)        = 4
[pid   297] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   296] close(3)                    = 0
[pid   297] <... munmap resumed>)       = 0
[pid   296] write(1, "executing program\n", 18 <unfinished ...>
[pid   297] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   297] ioctl(5, LOOP_SET_FD, 4executing program
 <unfinished ...>
[pid   296] <... write resumed>)        = 18
[pid   296] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   296] write(3, "0x0000000000000700", 18./strace-static-x86_64: Process 301 attached
executing program
./strace-static-x86_64: Process 300 attached
 <unfinished ...>
[pid   300] set_robust_list(0x55556216e660, 24) = 0
[pid   300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   300] setpgid(0, 0)               = 0
[pid   300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   300] write(3, "1000", 4)         = 4
[pid   300] close(3)                    = 0
[pid   300] write(1, "executing program\n", 18) = 18
[pid   300] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   300] write(3, "0x0000000000000700", 18./strace-static-x86_64: Process 299 attached
 <unfinished ...>
[pid   299] set_robust_list(0x55556216e660, 24) = 0
[pid   299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   299] setpgid(0, 0)               = 0
[pid   299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   299] write(3, "1000", 4)         = 4
[pid   299] close(3)                    = 0
[pid   299] write(1, "executing program\n", 18executing program
) = 18
[pid   299] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   301] set_robust_list(0x55556216e660, 24) = 0
[pid   301] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   299] <... openat resumed>)       = 3
[pid   301] <... prctl resumed>)        = 0
[pid   299] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   301] setpgid(0, 0 <unfinished ...>
[pid   297] <... ioctl resumed>)        = 0
[pid   297] close(4)                    = 0
[pid   297] close(5 <unfinished ...>
[pid   301] <... setpgid resumed>)      = 0
[pid   297] <... close resumed>)        = 0
[pid   297] mkdir("./bus", 0777 <unfinished ...>
[pid   301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   297] <... mkdir resumed>)        = 0
[pid   297] mount("/dev/loop2", "./bus", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME, "grpquota,inode_readahead_blks=0x0000000000000800,minixdf,,errors=continue" <unfinished ...>
[pid   301] <... openat resumed>)       = 3
[pid   301] write(3, "1000", 4)         = 4
[pid   301] close(3)                    = 0
[pid   301] write(1, "executing program\n", 18 <unfinished ...>
[pid   296] <... write resumed>)        = 18
executing program
[   27.553750][  T297] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2
[   27.571974][  T297] loop2: detected capacity change from 0 to 512
[   27.579195][  T296] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2
[pid   301] <... write resumed>)        = 18
[pid   296] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   296] <... memfd_create resumed>) = 4
[pid   301] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   296] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   296] munmap(0x7f860a774000, 138412032) = 0
[pid   299] <... write resumed>)        = 18
[pid   299] memfd_create("syzkaller", 0) = 4
[pid   299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   296] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5
[   27.599545][  T299] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2
[   27.613975][   T28] audit: type=1400 audit(1752316679.303:66): avc:  denied  { open } for  pid=291 comm="syz-executor271" path="/dev/loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   27.618866][  T300] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2
[pid   296] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   299] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   299] munmap(0x7f860a774000, 138412032) = 0
[pid   299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[   27.649255][   T28] audit: type=1400 audit(1752316679.313:67): avc:  denied  { ioctl } for  pid=292 comm="syz-executor271" path="/dev/loop1" dev="devtmpfs" ino=119 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   27.659502][  T297] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   27.675051][  T296] loop1: detected capacity change from 0 to 512
[   27.685333][  T299] loop0: detected capacity change from 0 to 512
[pid   299] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   296] <... ioctl resumed>)        = 0
[pid   299] <... ioctl resumed>)        = 0
[pid   299] close(4)                    = 0
[pid   299] close(5)                    = 0
[pid   299] mkdir("./bus", 0777)        = -1 EEXIST (File exists)
[pid   299] mount("/dev/loop0", "./bus", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME, "grpquota,inode_readahead_blks=0x0000000000000800,minixdf,,errors=continue" <unfinished ...>
[pid   296] close(4)                    = 0
[pid   296] close(5)                    = 0
[pid   296] mkdir("./bus", 0777 <unfinished ...>
[pid   301] <... write resumed>)        = 18
[pid   300] <... write resumed>)        = 18
[pid   296] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid   301] memfd_create("syzkaller", 0 <unfinished ...>
[   27.692665][   T28] audit: type=1400 audit(1752316679.373:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor271" path="/root/bus" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   27.720258][  T297] ext4 filesystem being mounted at /root/bus supports timestamps until 2038-01-19 (0x7fffffff)
[   27.720723][   T28] audit: type=1400 audit(1752316679.503:69): avc:  denied  { mount } for  pid=297 comm="syz-executor271" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid   300] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] <... memfd_create resumed>) = 4
[pid   300] <... memfd_create resumed>) = 4
[pid   296] mount("/dev/loop1", "./bus", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME, "grpquota,inode_readahead_blks=0x0000000000000800,minixdf,,errors=continue" <unfinished ...>
[pid   301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   301] <... mmap resumed>)         = 0x7f860a774000
[pid   300] <... mmap resumed>)         = 0x7f860a774000
[pid   297] <... mount resumed>)        = 0
[   27.755627][  T306] ------------[ cut here ]------------
[   27.761264][  T306] kernel BUG at fs/buffer.c:2714!
[   27.766884][  T306] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   27.773015][  T306] CPU: 0 PID: 306 Comm: kmmpd-loop0 Not tainted 6.1.141-syzkaller-00038-ge2deb0b42a3a #0
[   27.782832][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.792897][  T306] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0
[   27.798313][  T306] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 d8 38 e8 ff e9 b0 fe ff ff e8 2e df a3 ff 0f 0b e8 27 df a3 ff <0f> 0b e8 20 df a3 ff 0f 0b e8 19 df a3 ff 0f 0b e8 12 df a3 ff 0f
[   27.812578][  T300] loop3: detected capacity change from 0 to 512
[   27.818023][  T306] RSP: 0018:ffffc90000ec7ca0 EFLAGS: 00010293
[   27.818053][  T306] RAX: ffffffff81cc1849 RBX: 0000000000000000 RCX: ffff888106758000
[   27.824524][  T301] loop4: detected capacity change from 0 to 512
[   27.830384][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[pid   301] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   300] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   297] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   301] <... write resumed>)        = 262144
[pid   300] <... write resumed>)        = 262144
[pid   297] <... openat resumed>)       = 4
[pid   297] chdir("./bus")              = 0
[pid   297] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   297] ioctl(5, LOOP_CLR_FD)       = 0
[pid   297] close(5)                    = 0
[pid   297] exit_group(0)               = ?
[pid   297] +++ exited with 0 +++
[pid   300] munmap(0x7f860a774000, 138412032) = 0
[pid   301] munmap(0x7f860a774000, 138412032) = 0
[pid   300] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5
[pid   301] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   300] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   301] <... openat resumed>)       = 5
[pid   301] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   300] <... ioctl resumed>)        = 0
[pid   300] close(4)                    = 0
[pid   300] close(5)                    = 0
[pid   300] mkdir("./bus", 0777)        = -1 EEXIST (File exists)
[pid   300] mount("/dev/loop3", "./bus", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME, "grpquota,inode_readahead_blks=0x0000000000000800,minixdf,,errors=continue" <unfinished ...>
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid   293] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 308
[   27.830397][  T306] RBP: ffffc90000ec7cf0 R08: dffffc0000000000 R09: ffffed1024917c7f
[   27.830412][  T306] R10: ffffed1024917c7f R11: 1ffff11024917c7e R12: 0000000000000000
[   27.848364][   T28] audit: type=1400 audit(1752316679.593:70): avc:  denied  { mounton } for  pid=300 comm="syz-executor271" path="/root/bus" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   27.852576][  T306] R13: 1ffff11024917c7e R14: ffff8881248be3f0 R15: 0000000000003801
[   27.899232][  T306] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.908177][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.914830][  T306] CR2: 00007ffc788a2c18 CR3: 000000010f0ed000 CR4: 00000000003506b0
[   27.922805][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.930777][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.938837][  T306] Call Trace:
[   27.942117][  T306]  <TASK>
[   27.945048][  T306]  submit_bh+0x1f/0x30
[   27.949123][  T306]  write_mmp_block_thawed+0x34a/0x4c0
[pid   301] <... ioctl resumed>)        = 0
./strace-static-x86_64: Process 308 attached
[pid   308] set_robust_list(0x55556216e660, 24) = 0
[pid   308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   308] setpgid(0, 0)               = 0
[pid   308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   308] write(3, "1000", 4)         = 4
[pid   301] close(4)                    = 0
[pid   301] close(5)                    = 0
[pid   301] mkdir("./bus", 0777)        = -1 EEXIST (File exists)
[pid   301] mount("/dev/loop4", "./bus", "ext4", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_NODIRATIME|MS_POSIXACL|MS_RELATIME, "grpquota,inode_readahead_blks=0x0000000000000800,minixdf,,errors=continue" <unfinished ...>
[pid   308] close(3)                    = 0
[pid   308] write(1, "executing program\n", 18executing program
) = 18
[pid   308] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   308] write(3, "0x0000000000000700", 18) = 18
[pid   308] memfd_create("syzkaller", 0) = 4
[pid   308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[   27.954495][  T306]  ? read_mmp_block+0x6d0/0x6d0
[   27.959434][  T306]  ? finish_task_switch+0x16b/0x7b0
[   27.965253][  T306]  ? __switch_to_asm+0x3a/0x60
[   27.970025][  T306]  write_mmp_block+0x138/0x2b0
[   27.974795][  T306]  kmmpd+0x3ce/0x950
[   27.978694][  T306]  kthread+0x281/0x320
[   27.982905][  T306]  ? __cfi_kmmpd+0x10/0x10
[   27.987326][  T306]  ? __cfi_kthread+0x10/0x10
[   27.991921][  T306]  ret_from_fork+0x1f/0x30
[   27.996364][  T306]  </TASK>
[   27.999382][  T306] Modules linked in:
[pid   308] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   308] munmap(0x7f860a774000, 138412032) = 0
[pid   308] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   308] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   308] ioctl(5, LOOP_CLR_FD)       = 0
[pid   308] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   308] close(5)                    = 0
[pid   308] close(4)                    = 0
[pid   308] exit_group(0)               = ?
[pid   308] +++ exited with 0 +++
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   301] <... mount resumed>)        = 0
[pid   301] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 4
[pid   301] chdir("./bus")              = 0
[pid   293] <... restart_syscall resumed>) = 0
[pid   301] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 314
[pid   301] <... openat resumed>)       = 5
[pid   301] ioctl(5, LOOP_CLR_FD)       = 0
[pid   301] close(5./strace-static-x86_64: Process 314 attached
 <unfinished ...>
[pid   314] set_robust_list(0x55556216e660, 24) = 0
[pid   314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   314] setpgid(0, 0)               = 0
[pid   314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   314] write(3, "1000", 4 <unfinished ...>
[pid   301] <... close resumed>)        = 0
[pid   314] <... write resumed>)        = 4
[pid   314] close(3)                    = 0
[pid   314] write(1, "executing program\n", 18executing program
) = 18
[pid   314] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   314] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   301] exit_group(0 <unfinished ...>
[pid   314] <... write resumed>)        = 18
[pid   314] memfd_create("syzkaller", 0 <unfinished ...>
[pid   301] <... exit_group resumed>)   = ?
[pid   314] <... memfd_create resumed>) = 4
[pid   301] +++ exited with 0 +++
[pid   314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[   28.026435][  T301] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[   28.026498][  T296] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   28.046221][  T301] ext4 filesystem being mounted at /root/bus supports timestamps until 2038-01-19 (0x7fffffff)
[pid   295] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   314] <... mmap resumed>)         = 0x7f860a774000
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = 0
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 315
./strace-static-x86_64: Process 315 attached
[pid   315] set_robust_list(0x55556216e660, 24) = 0
[pid   315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   315] setpgid(0, 0)               = 0
[pid   315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   315] write(3, "1000", 4)         = 4
[pid   315] close(3)                    = 0
[pid   315] write(1, "executing program\n", 18executing program
) = 18
[pid   315] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   315] write(3, "0x0000000000000700", 18) = 18
[pid   315] memfd_create("syzkaller", 0) = 4
[pid   315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   314] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   315] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   315] munmap(0x7f860a774000, 138412032) = 0
[pid   315] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5
[pid   315] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   315] ioctl(5, LOOP_CLR_FD)       = 0
[pid   314] <... write resumed>)        = 262144
[pid   314] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   315] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   314] <... munmap resumed>)       = 0
[pid   314] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   314] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   314] ioctl(5, LOOP_CLR_FD)       = 0
[pid   315] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   315] close(5)                    = 0
[pid   315] close(4)                    = 0
[pid   315] exit_group(0)               = ?
[pid   314] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   314] close(5 <unfinished ...>
[pid   315] +++ exited with 0 +++
[pid   314] <... close resumed>)        = 0
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   314] close(4 <unfinished ...>
[pid   295] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   314] <... close resumed>)        = 0
[pid   314] exit_group(0)               = ?
[pid   314] +++ exited with 0 +++
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   295] <... restart_syscall resumed>) = 0
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = 0
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 316
[pid   296] <... mount resumed>)        = 0
[   28.098605][  T296] ext4 filesystem being mounted at /root/bus supports timestamps until 2038-01-19 (0x7fffffff)
[pid   296] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   296] <... openat resumed>)       = 4
[pid   296] chdir("./bus"./strace-static-x86_64: Process 316 attached
)              = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   316] set_robust_list(0x55556216e660, 24) = 0
[pid   296] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   293] <... openat resumed>)       = 3
[pid   296] <... openat resumed>)       = 5
[pid   296] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   293] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   296] <... ioctl resumed>)        = 0
[pid   293] <... ioctl resumed>)        = 0
[pid   296] close(5 <unfinished ...>
[pid   293] close(3 <unfinished ...>
[pid   296] <... close resumed>)        = 0
[pid   316] setpgid(0, 0)               = 0
[pid   316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   316] write(3, "1000", 4)         = 4
[pid   316] close(3)                    = 0
[pid   316] write(1, "executing program\n", 18executing program
) = 18
[pid   316] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   293] <... close resumed>)        = 0
[pid   296] exit_group(0 <unfinished ...>
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   316] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   293] <... clone resumed>, child_tidptr=0x55556216e650) = 317
./strace-static-x86_64: Process 317 attached
[pid   317] set_robust_list(0x55556216e660, 24) = 0
[pid   317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   317] setpgid(0, 0)               = 0
[pid   296] <... exit_group resumed>)   = ?
[pid   316] <... write resumed>)        = 18
[pid   316] memfd_create("syzkaller", 0) = 4
[pid   316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   296] +++ exited with 0 +++
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   316] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   292] <... restart_syscall resumed>) = 0
[pid   317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   317] write(3, "1000", 4)         = 4
[pid   317] close(3)                    = 0
[pid   317] write(1, "executing program\n", 18executing program
) = 18
[pid   317] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   317] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   316] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   317] <... write resumed>)        = 18
[pid   292] <... openat resumed>)       = 3
[pid   292] ioctl(3, LOOP_CLR_FD)       = 0
[pid   292] close(3)                    = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   317] memfd_create("syzkaller", 0) = 4
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 319
[pid   317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   317] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   316] <... munmap resumed>)       = 0
[pid   316] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5
[pid   316] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   316] ioctl(5, LOOP_CLR_FD)       = 0
[pid   316] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   316] close(5)                    = 0
[pid   316] close(4)                    = 0
[pid   316] exit_group(0)               = ?
[pid   316] +++ exited with 0 +++
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   295] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   317] <... write resumed>)        = 262144
[pid   317] munmap(0x7f860a774000, 138412032) = 0
[pid   295] <... restart_syscall resumed>) = 0
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = 0
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 320
[pid   317] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   317] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   317] ioctl(5, LOOP_CLR_FD)       = 0
[pid   317] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   317] close(5)                    = 0
[pid   317] close(4)                    = 0
[pid   317] exit_group(0)               = ?
[pid   317] +++ exited with 0 +++
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 320 attached
 <unfinished ...>
[pid   320] set_robust_list(0x55556216e660, 24) = 0
[pid   320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   320] setpgid(0, 0)               = 0
[pid   320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   320] write(3, "1000", 4)         = 4
[pid   293] <... restart_syscall resumed>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 321
[pid   320] close(3)                    = 0
./strace-static-x86_64: Process 319 attached
[pid   320] write(1, "executing program\n", 18 <unfinished ...>
[pid   319] set_robust_list(0x55556216e660, 24executing program
) = 0
[pid   320] <... write resumed>)        = 18
[pid   319] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   320] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   319] <... prctl resumed>)        = 0
[pid   320] <... openat resumed>)       = 3
[pid   319] setpgid(0, 0)               = 0
[   28.146548][  T306] ---[ end trace 0000000000000000 ]---
[pid   320] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   319] write(3, "1000", 4)         = 4
[pid   320] <... write resumed>)        = 18
[pid   320] memfd_create("syzkaller", 0) = 4
[pid   320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
./strace-static-x86_64: Process 321 attached
[pid   321] set_robust_list(0x55556216e660, 24) = 0
[pid   321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   321] setpgid(0, 0)               = 0
[pid   321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   321] write(3, "1000", 4)         = 4
[pid   321] close(3)                    = 0
[pid   321] write(1, "executing program\n", 18 <unfinished ...>
[pid   319] close(3executing program
 <unfinished ...>
[pid   321] <... write resumed>)        = 18
[pid   321] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   321] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   320] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   321] <... write resumed>)        = 18
[pid   321] memfd_create("syzkaller", 0) = 4
[pid   321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   321] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   320] munmap(0x7f860a774000, 138412032) = 0
[pid   320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5
[pid   320] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   320] ioctl(5, LOOP_CLR_FD)       = 0
[pid   321] <... write resumed>)        = 262144
[pid   320] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   320] close(5)                    = 0
[pid   320] close(4)                    = 0
[pid   320] exit_group(0)               = ?
executing program
[pid   320] +++ exited with 0 +++
[pid   319] <... close resumed>)        = 0
[pid   319] write(1, "executing program\n", 18 <unfinished ...>
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   319] <... write resumed>)        = 18
[pid   295] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   319] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   319] write(3, "0x0000000000000700", 18) = 18
[pid   319] memfd_create("syzkaller", 0) = 4
[pid   319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   295] <... restart_syscall resumed>) = 0
[pid   319] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = 0
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 323
[pid   321] munmap(0x7f860a774000, 138412032) = 0
[pid   321] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   321] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   319] <... write resumed>)        = 262144
[pid   319] munmap(0x7f860a774000, 138412032) = 0
[pid   319] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5
[pid   319] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   319] ioctl(5, LOOP_CLR_FD)       = 0
[pid   321] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   321] ioctl(5, LOOP_CLR_FD)       = 0
[pid   319] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   319] close(5)                    = 0
[pid   319] close(4)                    = 0
[pid   321] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   321] close(5)                    = 0
[pid   321] close(4 <unfinished ...>
[pid   319] exit_group(0 <unfinished ...>
[pid   321] <... close resumed>)        = 0
[pid   319] <... exit_group resumed>)   = ?
[pid   319] +++ exited with 0 +++
[pid   321] exit_group(0)               = ?
[pid   321] +++ exited with 0 +++
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 323 attached
 <unfinished ...>
[pid   323] set_robust_list(0x55556216e660, 24) = 0
[pid   323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   28.198710][  T306] RIP: 0010:submit_bh_wbc+0x4c9/0x4f0
[   28.212053][  T300] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   28.227581][  T306] Code: c3 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c bd fe ff ff 48 89 df e8 d8 38 e8 ff e9 b0 fe ff ff e8 2e df a3 ff 0f 0b e8 27 df a3 ff <0f> 0b e8 20 df a3 ff 0f 0b e8 19 df a3 ff 0f 0b e8 12 df a3 ff 0f
[pid   323] setpgid(0, 0 <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 324
[pid   323] <... setpgid resumed>)      = 0
[pid   323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   323] write(3, "1000", 4)         = 4
[pid   323] close(3executing program
)                    = 0
[pid   323] write(1, "executing program\n", 18) = 18
[pid   323] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   323] write(3, "0x0000000000000700", 18) = 18
[pid   323] memfd_create("syzkaller", 0) = 4
[pid   323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   292] <... openat resumed>)       = 3
[   28.248094][  T306] RSP: 0018:ffffc90000ec7ca0 EFLAGS: 00010293
[   28.254589][  T306] RAX: ffffffff81cc1849 RBX: 0000000000000000 RCX: ffff888106758000
[   28.256670][  T300] ext4 filesystem being mounted at /root/bus supports timestamps until 2038-01-19 (0x7fffffff)
[   28.262996][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.281128][  T306] RBP: ffffc90000ec7cf0 R08: dffffc0000000000 R09: ffffed1024917c7f
[   28.289216][  T306] R10: ffffed1024917c7f R11: 1ffff11024917c7e R12: 0000000000000000
[pid   292] ioctl(3, LOOP_CLR_FD)       = 0
[pid   292] close(3)                    = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 324 attached
 <unfinished ...>
[pid   324] set_robust_list(0x55556216e660, 24) = 0
[pid   324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   324] setpgid(0, 0 <unfinished ...>
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 325
[pid   324] <... setpgid resumed>)      = 0
[pid   324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   324] write(3, "1000", 4)         = 4
[pid   324] close(3)                    = 0
executing program
[pid   324] write(1, "executing program\n", 18) = 18
[pid   324] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   324] write(3, "0x0000000000000700", 18) = 18
./strace-static-x86_64: Process 325 attached
[pid   324] memfd_create("syzkaller", 0 <unfinished ...>
[pid   325] set_robust_list(0x55556216e660, 24) = 0
[pid   324] <... memfd_create resumed>) = 4
[pid   325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   325] setpgid(0, 0executing program
)               = 0
[pid   325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   325] <... openat resumed>)       = 3
[pid   324] <... mmap resumed>)         = 0x7f860a774000
[pid   325] write(3, "1000", 4)         = 4
[pid   325] close(3)                    = 0
[pid   325] write(1, "executing program\n", 18) = 18
[pid   325] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   325] write(3, "0x0000000000000700", 18) = 18
[pid   325] memfd_create("syzkaller", 0) = 4
[pid   325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   325] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   325] munmap(0x7f860a774000, 138412032) = 0
[pid   325] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5
[pid   325] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   325] ioctl(5, LOOP_CLR_FD)       = 0
[pid   325] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   325] close(5)                    = 0
[pid   325] close(4)                    = 0
[pid   325] exit_group(0)               = ?
[pid   325] +++ exited with 0 +++
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   323] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   323] munmap(0x7f860a774000, 138412032) = 0
[pid   323] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5
[pid   323] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   323] ioctl(5, LOOP_CLR_FD)       = 0
[pid   324] <... write resumed>)        = 262144
[pid   323] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   323] close(5)                    = 0
[pid   323] close(4)                    = 0
[pid   323] exit_group(0 <unfinished ...>
[pid   292] <... restart_syscall resumed>) = 0
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   292] ioctl(3, LOOP_CLR_FD)       = 0
[pid   292] close(3)                    = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 326
[pid   323] <... exit_group resumed>)   = ?
[pid   323] +++ exited with 0 +++
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   295] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   324] munmap(0x7f860a774000, 138412032) = 0
[pid   324] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   324] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   324] ioctl(5, LOOP_CLR_FD)       = 0
[pid   295] <... restart_syscall resumed>) = 0
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 326 attached
) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = 0
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 327
[pid   324] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   324] close(5)                    = 0
[pid   324] close(4)                    = 0
[pid   326] set_robust_list(0x55556216e660, 24) = 0
[pid   326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   326] setpgid(0, 0)               = 0
[pid   324] exit_group(0 <unfinished ...>
[pid   326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   324] <... exit_group resumed>)   = ?
[pid   326] <... openat resumed>)       = 3
[pid   324] +++ exited with 0 +++
[pid   326] write(3, "1000", 4 <unfinished ...>
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   326] <... write resumed>)        = 4
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   326] close(3)                    = 0
executing program
[pid   326] write(1, "executing program\n", 18) = 18
[pid   326] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   326] write(3, "0x0000000000000700", 18) = 18
[pid   326] memfd_create("syzkaller", 0) = 4
[pid   326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   326] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   326] munmap(0x7f860a774000, 138412032) = 0
[pid   326] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556216e650) = 328
[pid   326] <... openat resumed>)       = 5
[pid   326] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   326] ioctl(5, LOOP_CLR_FD)       = 0
[pid   326] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 328 attached
[pid   326] close(5 <unfinished ...>
[pid   328] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   326] <... close resumed>)        = 0
[pid   328] <... set_robust_list resumed>) = 0
[pid   326] close(4 <unfinished ...>
[pid   328] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   326] <... close resumed>)        = 0
[pid   328] <... prctl resumed>)        = 0
[pid   328] setpgid(0, 0 <unfinished ...>
[pid   326] exit_group(0 <unfinished ...>
[pid   328] <... setpgid resumed>)      = 0
[   28.298162][  T306] R13: 1ffff11024917c7e R14: ffff8881248be3f0 R15: 0000000000003801
[pid   328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   326] <... exit_group resumed>)   = ?
[pid   328] <... openat resumed>)       = 3
[pid   328] write(3, "1000", 4 <unfinished ...>
[pid   326] +++ exited with 0 +++
[pid   328] <... write resumed>)        = 4
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   328] close(3 <unfinished ...>
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   328] <... close resumed>)        = 0
executing program
[pid   328] write(1, "executing program\n", 18) = 18
./strace-static-x86_64: Process 327 attached
[pid   328] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   328] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   327] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   328] <... write resumed>)        = 18
[pid   328] memfd_create("syzkaller", 0) = 4
[pid   328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   327] <... set_robust_list resumed>) = 0
[pid   328] <... mmap resumed>)         = 0x7f860a774000
[pid   327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   327] setpgid(0, 0)               = 0
[pid   327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   328] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   292] <... restart_syscall resumed>) = 0
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid   327] write(3, "1000", 4 <unfinished ...>
[pid   292] ioctl(3, LOOP_CLR_FD)       = 0
[pid   292] close(3)                    = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   328] <... write resumed>)        = 262144
[pid   328] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 329
[pid   328] <... munmap resumed>)       = 0
[pid   327] <... write resumed>)        = 4
[pid   328] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   328] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   328] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   327] close(3 <unfinished ...>
[pid   328] <... ioctl resumed>)        = 0
./strace-static-x86_64: Process 329 attached
[pid   327] <... close resumed>)        = 0
[pid   329] set_robust_list(0x55556216e660, 24) = 0
[pid   329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid   329] setpgid(0, 0 <unfinished ...>
[pid   327] write(1, "executing program\n", 18 <unfinished ...>
[pid   329] <... setpgid resumed>)      = 0
[pid   327] <... write resumed>)        = 18
[pid   329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   327] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   329] write(3, "1000", 4 <unfinished ...>
[pid   328] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   329] <... write resumed>)        = 4
[pid   328] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   329] close(3 <unfinished ...>
[pid   328] close(5 <unfinished ...>
[pid   327] <... openat resumed>)       = 3
[pid   329] <... close resumed>)        = 0
executing program
[pid   329] write(1, "executing program\n", 18 <unfinished ...>
[pid   328] <... close resumed>)        = 0
[pid   327] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   329] <... write resumed>)        = 18
[pid   328] close(4 <unfinished ...>
[pid   329] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   327] <... write resumed>)        = 18
[pid   327] memfd_create("syzkaller", 0) = 4
[pid   327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   328] <... close resumed>)        = 0
[pid   327] <... mmap resumed>)         = 0x7f860a774000
[pid   329] <... openat resumed>)       = 3
[pid   328] exit_group(0 <unfinished ...>
[pid   327] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   329] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   328] <... exit_group resumed>)   = ?
[pid   327] <... write resumed>)        = 262144
[pid   327] munmap(0x7f860a774000, 138412032) = 0
[pid   328] +++ exited with 0 +++
[pid   327] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   329] <... write resumed>)        = 18
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   329] memfd_create("syzkaller", 0 <unfinished ...>
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   329] <... memfd_create resumed>) = 4
[pid   329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   327] <... openat resumed>)       = 5
[pid   327] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   327] ioctl(5, LOOP_CLR_FD)       = 0
[pid   329] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid   293] ioctl(3, LOOP_CLR_FD)       = 0
[pid   293] close(3)                    = 0
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   329] <... write resumed>)        = 262144
[pid   329] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   293] <... clone resumed>, child_tidptr=0x55556216e650) = 330
[pid   329] <... munmap resumed>)       = 0
[pid   329] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 5
[pid   327] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   329] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   327] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   329] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   327] close(5 <unfinished ...>
[pid   329] <... ioctl resumed>)        = 0
[pid   327] <... close resumed>)        = 0
[pid   327] close(4)                    = 0
[pid   327] exit_group(0 <unfinished ...>
[pid   329] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   327] <... exit_group resumed>)   = ?
[pid   329] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 330 attached
[pid   329] close(5 <unfinished ...>
[pid   330] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   329] <... close resumed>)        = 0
[pid   327] +++ exited with 0 +++
[pid   330] <... set_robust_list resumed>) = 0
[pid   329] close(4 <unfinished ...>
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   295] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   330] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   329] <... close resumed>)        = 0
[pid   330] <... prctl resumed>)        = 0
[pid   329] exit_group(0 <unfinished ...>
[pid   330] setpgid(0, 0 <unfinished ...>
[pid   329] <... exit_group resumed>)   = ?
[pid   329] +++ exited with 0 +++
[pid   330] <... setpgid resumed>)      = 0
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   330] <... openat resumed>)       = 3
[pid   295] <... restart_syscall resumed>) = 0
[pid   330] write(3, "1000", 4 <unfinished ...>
[pid   292] <... restart_syscall resumed>) = 0
[pid   330] <... write resumed>)        = 4
[pid   330] close(3 <unfinished ...>
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   330] <... close resumed>)        = 0
[pid   295] <... openat resumed>)       = 3
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program
 <unfinished ...>
[pid   330] write(1, "executing program\n", 18 <unfinished ...>
[pid   295] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   292] <... openat resumed>)       = 3
[pid   330] <... write resumed>)        = 18
[pid   295] <... ioctl resumed>)        = 0
[pid   292] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   330] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   295] close(3 <unfinished ...>
[pid   292] <... ioctl resumed>)        = 0
[pid   330] <... openat resumed>)       = 3
[pid   295] <... close resumed>)        = 0
[pid   292] close(3 <unfinished ...>
[pid   330] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   292] <... close resumed>)        = 0
[pid   330] <... write resumed>)        = 18
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   330] memfd_create("syzkaller", 0 <unfinished ...>
[pid   295] <... clone resumed>, child_tidptr=0x55556216e650) = 331
[pid   330] <... memfd_create resumed>) = 4
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 332
[pid   330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   330] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   300] <... mount resumed>)        = 0
[pid   300] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 4
[pid   300] chdir("./bus")              = 0
[pid   300] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5
[pid   330] <... write resumed>)        = 262144
[pid   330] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   300] ioctl(5, LOOP_CLR_FD)       = 0
[pid   330] <... munmap resumed>)       = 0
./strace-static-x86_64: Process 331 attached
[pid   330] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   331] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   330] <... openat resumed>)       = 5
[pid   331] <... set_robust_list resumed>) = 0
[pid   330] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   300] close(5 <unfinished ...>
[pid   330] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   331] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   330] <... ioctl resumed>)        = 0
[pid   331] <... prctl resumed>)        = 0
[pid   331] setpgid(0, 0 <unfinished ...>
[pid   300] <... close resumed>)        = 0
[pid   300] exit_group(0)               = ?
[pid   331] <... setpgid resumed>)      = 0
[pid   330] ioctl(5, LOOP_SET_FD, 4./strace-static-x86_64: Process 332 attached
)    = -1 EBUSY (Device or resource busy)
[pid   332] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   330] close(5)                    = 0
[pid   332] <... set_robust_list resumed>) = 0
[pid   331] <... openat resumed>)       = 3
[pid   330] close(4 <unfinished ...>
[pid   300] +++ exited with 0 +++
[   28.381508][  T306] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[pid   332] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   331] write(3, "1000", 4 <unfinished ...>
[pid   330] <... close resumed>)        = 0
[pid   332] <... prctl resumed>)        = 0
[pid   331] <... write resumed>)        = 4
[pid   332] setpgid(0, 0 <unfinished ...>
[pid   331] close(3 <unfinished ...>
[pid   330] exit_group(0 <unfinished ...>
[pid   294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
[pid   332] <... setpgid resumed>)      = 0
[pid   331] <... close resumed>)        = 0
[pid   330] <... exit_group resumed>)   = ?
[pid   294] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   331] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid   332] <... openat resumed>)       = 3
[pid   331] <... write resumed>)        = 18
[pid   330] +++ exited with 0 +++
[pid   294] <... restart_syscall resumed>) = 0
[pid   332] write(3, "1000", 4 <unfinished ...>
[pid   331] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   332] <... write resumed>)        = 4
[pid   331] <... openat resumed>)       = 3
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   332] close(3 <unfinished ...>
[pid   331] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   332] <... close resumed>)        = 0
[pid   294] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid   332] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid   331] <... write resumed>)        = 18
[pid   294] <... openat resumed>)       = 3
[pid   332] <... write resumed>)        = 18
[pid   331] memfd_create("syzkaller", 0 <unfinished ...>
[pid   294] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   332] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   294] <... ioctl resumed>)        = 0
[pid   293] <... openat resumed>)       = 3
[pid   331] <... memfd_create resumed>) = 4
[pid   293] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   332] <... openat resumed>)       = 3
[pid   294] close(3 <unfinished ...>
[pid   293] <... ioctl resumed>)        = 0
[pid   331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   293] close(3 <unfinished ...>
[pid   332] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   294] <... close resumed>)        = 0
[pid   293] <... close resumed>)        = 0
[pid   331] <... mmap resumed>)         = 0x7f860a774000
[pid   294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   332] <... write resumed>)        = 18
[pid   293] <... clone resumed>, child_tidptr=0x55556216e650) = 334
[pid   331] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144executing program
 <unfinished ...>
[pid   332] memfd_create("syzkaller", 0 <unfinished ...>
[pid   294] <... clone resumed>, child_tidptr=0x55556216e650) = 333
./strace-static-x86_64: Process 333 attached
[pid   333] set_robust_list(0x55556216e660, 24) = 0
[pid   333] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   331] <... write resumed>)        = 262144
[pid   333] <... prctl resumed>)        = 0
[pid   332] <... memfd_create resumed>) = 4
[pid   331] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   333] setpgid(0, 0 <unfinished ...>
[pid   332] <... mmap resumed>)         = 0x7f860a774000
[pid   333] <... setpgid resumed>)      = 0
[pid   333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 334 attached
[pid   334] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   333] write(3, "1000", 4)         = 4
[pid   334] <... set_robust_list resumed>) = 0
[pid   334] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   333] close(3)                    = 0
[pid   333] write(1, "executing program\n", 18) = 18
[pid   333] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   334] <... prctl resumed>)        = 0
[pid   334] setpgid(0, 0 <unfinished ...>
[pid   333] <... openat resumed>)       = 3
[pid   334] <... setpgid resumed>)      = 0
[pid   334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   332] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   331] <... munmap resumed>)       = 0
[pid   333] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   334] <... openat resumed>)       = 3
[pid   334] write(3, "1000", 4)         = 4
[pid   333] <... write resumed>)        = 18
[pid   334] close(3 <unfinished ...>
[pid   333] memfd_create("syzkaller", 0 <unfinished ...>
[pid   334] <... close resumed>)        = 0
[pid   332] <... write resumed>)        = 262144
[pid   331] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program
 <unfinished ...>
[pid   332] munmap(0x7f860a774000, 138412032 <unfinished ...>
[pid   333] <... memfd_create resumed>) = 4
[pid   331] <... openat resumed>)       = 5
[pid   334] write(1, "executing program\n", 18) = 18
[pid   334] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME <unfinished ...>
[pid   332] <... munmap resumed>)       = 0
[pid   331] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   332] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   331] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   332] <... openat resumed>)       = 5
[pid   331] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   332] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   331] <... ioctl resumed>)        = 0
[pid   332] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   332] ioctl(5, LOOP_CLR_FD <unfinished ...>
[pid   333] <... mmap resumed>)         = 0x7f860a774000
[pid   332] <... ioctl resumed>)        = 0
[pid   334] <... openat resumed>)       = 3
[pid   332] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   331] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   332] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   331] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   332] close(5 <unfinished ...>
[pid   331] close(5 <unfinished ...>
[pid   334] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   332] <... close resumed>)        = 0
[pid   331] <... close resumed>)        = 0
[pid   332] close(4 <unfinished ...>
[pid   331] close(4 <unfinished ...>
[pid   334] <... write resumed>)        = 18
[pid   334] memfd_create("syzkaller", 0) = 4
[pid   334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   334] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   332] <... close resumed>)        = 0
[pid   331] <... close resumed>)        = 0
[pid   333] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   332] exit_group(0 <unfinished ...>
[pid   331] exit_group(0 <unfinished ...>
[pid   332] <... exit_group resumed>)   = ?
[pid   331] <... exit_group resumed>)   = ?
[pid   332] +++ exited with 0 +++
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   331] +++ exited with 0 +++
[pid   292] <... restart_syscall resumed>) = 0
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   292] <... openat resumed>)       = 3
[pid   295] <... openat resumed>)       = 3
[pid   292] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   295] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   292] <... ioctl resumed>)        = 0
[pid   295] <... ioctl resumed>)        = 0
[pid   292] close(3 <unfinished ...>
[pid   295] close(3 <unfinished ...>
[pid   292] <... close resumed>)        = 0
[pid   295] <... close resumed>)        = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 335
[pid   295] <... clone resumed>, child_tidptr=0x55556216e650) = 336
[pid   334] <... write resumed>)        = 262144
./strace-static-x86_64: Process 335 attached
[pid   333] <... write resumed>)        = 262144
[pid   335] set_robust_list(0x55556216e660, 24) = 0
[pid   333] munmap(0x7f860a774000, 138412032) = 0
[pid   333] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 5
[pid   333] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   333] ioctl(5, LOOP_CLR_FD)       = 0
[pid   334] munmap(0x7f860a774000, 138412032) = 0
[pid   334] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   334] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   334] ioctl(5, LOOP_CLR_FD)       = 0
[   28.424573][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
./strace-static-x86_64: Process 336 attached
[pid   335] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   336] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   335] <... prctl resumed>)        = 0
[pid   334] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   333] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   336] <... set_robust_list resumed>) = 0
[pid   335] setpgid(0, 0 <unfinished ...>
[pid   334] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   336] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   335] <... setpgid resumed>)      = 0
[pid   336] <... prctl resumed>)        = 0
[pid   335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   336] setpgid(0, 0 <unfinished ...>
[pid   335] <... openat resumed>)       = 3
[pid   336] <... setpgid resumed>)      = 0
[pid   335] write(3, "1000", 4 <unfinished ...>
[pid   336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   335] <... write resumed>)        = 4
[pid   336] <... openat resumed>)       = 3
[pid   335] close(3 <unfinished ...>
[pid   336] write(3, "1000", 4 <unfinished ...>
[pid   335] <... close resumed>)        = 0
[pid   336] <... write resumed>)        = 4
[pid   335] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid   336] close(3 <unfinished ...>
[pid   335] <... write resumed>)        = 18
[pid   336] <... close resumed>)        = 0
[pid   335] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIMEexecuting program
 <unfinished ...>
[pid   334] close(5 <unfinished ...>
[pid   333] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   336] write(1, "executing program\n", 18 <unfinished ...>
[pid   335] <... openat resumed>)       = 3
[pid   336] <... write resumed>)        = 18
[pid   335] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   336] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   336] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   334] <... close resumed>)        = 0
[pid   333] close(5 <unfinished ...>
[pid   335] <... write resumed>)        = 18
[pid   336] <... write resumed>)        = 18
[pid   335] memfd_create("syzkaller", 0 <unfinished ...>
[pid   334] close(4 <unfinished ...>
[pid   333] <... close resumed>)        = 0
[pid   336] memfd_create("syzkaller", 0 <unfinished ...>
[pid   335] <... memfd_create resumed>) = 4
[pid   336] <... memfd_create resumed>) = 4
[pid   335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid   335] <... mmap resumed>)         = 0x7f860a774000
[pid   334] <... close resumed>)        = 0
[pid   333] close(4 <unfinished ...>
[pid   336] <... mmap resumed>)         = 0x7f860a774000
[pid   335] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   334] exit_group(0 <unfinished ...>
[pid   333] <... close resumed>)        = 0
[pid   334] <... exit_group resumed>)   = ?
[pid   336] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   334] +++ exited with 0 +++
[pid   333] exit_group(0)               = ?
[pid   293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   336] <... write resumed>)        = 262144
[pid   333] +++ exited with 0 +++
[pid   293] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   294] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid   294] ioctl(3, LOOP_CLR_FD)       = 0
[pid   294] close(3)                    = 0
[pid   294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   335] <... write resumed>)        = 262144
[pid   294] <... clone resumed>, child_tidptr=0x55556216e650) = 337
[pid   336] munmap(0x7f860a774000, 138412032) = 0
[pid   335] munmap(0x7f860a774000, 138412032) = 0
[pid   336] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 5
[pid   335] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   336] ioctl(5, LOOP_SET_FD, 4 <unfinished ...>
[pid   335] <... openat resumed>)       = 5
[pid   336] <... ioctl resumed>)        = -1 EBUSY (Device or resource busy)
[pid   336] ioctl(5, LOOP_CLR_FD)       = 0
[pid   335] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   335] ioctl(5, LOOP_CLR_FD)       = 0
[pid   336] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   336] close(5)                    = 0
[pid   336] close(4)                    = 0
[pid   335] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   335] close(5)                    = 0
[pid   335] close(4)                    = 0
[pid   335] exit_group(0 <unfinished ...>
[pid   293] <... restart_syscall resumed>) = 0
[pid   293] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid   336] exit_group(0 <unfinished ...>
[pid   335] <... exit_group resumed>)   = ?
[pid   293] <... openat resumed>)       = 3
[pid   336] <... exit_group resumed>)   = ?
[pid   335] +++ exited with 0 +++
[pid   293] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 337 attached
)       = 0
[pid   293] close(3 <unfinished ...>
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] <... close resumed>)        = 0
[pid   292] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid   293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   337] set_robust_list(0x55556216e660, 24./strace-static-x86_64: Process 338 attached
 <unfinished ...>
[pid   336] +++ exited with 0 +++
[pid   292] <... restart_syscall resumed>) = 0
[pid   338] set_robust_list(0x55556216e660, 24) = 0
[pid   338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   338] setpgid(0, 0)               = 0
[pid   338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   338] write(3, "1000", 4)         = 4
executing program
[pid   338] close(3)                    = 0
[pid   338] write(1, "executing program\n", 18) = 18
[pid   338] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   338] write(3, "0x0000000000000700", 18) = 18
[pid   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   293] <... clone resumed>, child_tidptr=0x55556216e650) = 338
[pid   337] <... set_robust_list resumed>) = 0
[pid   338] memfd_create("syzkaller", 0 <unfinished ...>
[pid   337] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   292] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid   337] <... prctl resumed>)        = 0
[pid   295] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid   292] <... openat resumed>)       = 3
[pid   337] setpgid(0, 0 <unfinished ...>
[pid   295] <... openat resumed>)       = 3
[pid   292] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   337] <... setpgid resumed>)      = 0
[pid   295] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid   292] <... ioctl resumed>)        = 0
[pid   295] <... ioctl resumed>)        = 0
[pid   292] close(3 <unfinished ...>
[pid   295] close(3 <unfinished ...>
[pid   338] <... memfd_create resumed>) = 4
[pid   337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   295] <... close resumed>)        = 0
[pid   292] <... close resumed>)        = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid   338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   338] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   337] <... openat resumed>)       = 3
[pid   337] write(3, "1000", 4 <unfinished ...>
[pid   295] <... clone resumed>, child_tidptr=0x55556216e650) = 339
[pid   292] <... clone resumed>, child_tidptr=0x55556216e650) = 340
[pid   337] <... write resumed>)        = 4
[pid   337] close(3 <unfinished ...>
[pid   338] <... write resumed>)        = 262144
[pid   338] munmap(0x7f860a774000, 138412032) = 0
[pid   338] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 5
[pid   337] <... close resumed>)        = 0
executing program
./strace-static-x86_64: Process 340 attached
[pid   337] write(1, "executing program\n", 18 <unfinished ...>
[pid   340] set_robust_list(0x55556216e660, 24 <unfinished ...>
[pid   337] <... write resumed>)        = 18
[pid   340] <... set_robust_list resumed>) = 0
[pid   337] openat(AT_FDCWD, "/sys/power/resume", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME) = 3
[pid   340] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid   337] write(3, "0x0000000000000700", 18 <unfinished ...>
[pid   340] <... prctl resumed>)        = 0
[pid   337] <... write resumed>)        = 18
[pid   340] setpgid(0, 0 <unfinished ...>
[pid   337] memfd_create("syzkaller", 0 <unfinished ...>
[pid   340] <... setpgid resumed>)      = 0
[pid   337] <... memfd_create resumed>) = 4
[pid   340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid   337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f860a774000
[pid   338] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   338] ioctl(5, LOOP_CLR_FD)       = 0
[pid   337] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 <unfinished ...>
[pid   340] <... openat resumed>)       = 3
[pid   338] ioctl(5, LOOP_SET_FD, 4)    = -1 EBUSY (Device or resource busy)
[pid   338] close(5)                    = 0
[pid   338] close(4 <unfinished ...>
[pid   340] write(3, "1000", 4 <unfinished ...>
[pid   338] <... close resumed>)        = 0
[pid   337] <... write resumed>)        = 262144
[pid   340] <... write resumed>)        = 4
[pid   338] exit_group(0)               = ?
[   28.469709][  T306] CR2: 000055f861b9df60 CR3: 000000010698f000 CR4: 00000000003506a0
[   28.481412][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.490772][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[pid   338] +++ exited with 0 +++
./strace-static-x86_64: Process 339 attached
[pid   339] set_robust_list(0x55556216e660, 24) = 0
[pid   339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   339] setpgid(0, 0)               = 0
[   28.543819][  T306] Kernel panic - not syncing: Fatal exception
[   28.550239][  T306] Kernel Offset: disabled
[   28.554575][  T306] Rebooting in 86400 seconds..