./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3800425899

<...>
Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts.
execve("./syz-executor3800425899", ["./syz-executor3800425899"], 0x7ffea089ccd0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556a5e000
brk(0x555556a5ed00)                     = 0x555556a5ed00
arch_prctl(ARCH_SET_FS, 0x555556a5e380) = 0
set_tid_address(0x555556a5e650)         = 358
set_robust_list(0x555556a5e660, 24)     = 0
rseq(0x555556a5eca0, 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-executor3800425899", 4096) = 28
getrandom("\x8d\xea\x14\xfd\xb6\x05\xec\x13", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556a5ed00
brk(0x555556a7fd00)                     = 0x555556a7fd00
brk(0x555556a80000)                     = 0x555556a80000
mprotect(0x7f8bc87f0000, 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
memfd_create("syzkaller", 0)            = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8bc033f000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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
munmap(0x7f8bc033f000, 262144)          = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 4
ioctl(4, LOOP_SET_FD, 3)                = 0
close(3)                                = 0
mkdir("./file1", 0777)                  = 0
[   26.012368][   T23] audit: type=1400 audit(1689308854.550:66): avc:  denied  { execmem } for  pid=358 comm="syz-executor380" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.031724][   T23] audit: type=1400 audit(1689308854.550:67): avc:  denied  { read write } for  pid=358 comm="syz-executor380" name="loop0" dev="devtmpfs" ino=9318 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   26.056198][   T23] audit: type=1400 audit(1689308854.550:68): avc:  denied  { open } for  pid=358 comm="syz-executor380" path="/dev/loop0" dev="devtmpfs" ino=9318 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   26.068521][  T358] EXT4-fs (loop0): 1 orphan inode deleted
[   26.080533][   T23] audit: type=1400 audit(1689308854.550:69): avc:  denied  { ioctl } for  pid=358 comm="syz-executor380" path="/dev/loop0" dev="devtmpfs" ino=9318 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
mount("/dev/loop0", "./file1", "ext4", MS_REC, ",errors=continue") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1")                        = 0
ioctl(4, LOOP_CLR_FD)                   = 0
[   26.085994][  T358] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   26.111467][   T23] audit: type=1400 audit(1689308854.550:70): avc:  denied  { mounton } for  pid=358 comm="syz-executor380" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.120351][  T358] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038 (0x7fffffff)
close(4)                                = 0
open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
fallocate(4, 0, 67143319, 55963)        = 0
mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5
write(5, "\x00\x00\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x35\x93\xf9\x57\x36\xef\x32\x02\x20\x6b\x70\x72\xf0\xf6\xfe\x00\x52\xcb\x7d\xbf\xc3\xdd\x31\xe3\x1b\xff\xaf\x78\x04\xd9\x6e\x2c\xf8\xc2\x55\x79\x64\xda\xba\x69\xef\xd0\x77\x4c\x9d\x36\x4a\xcc\xf7\x3d\x13\xf9\xb2\xb6\x00\x40\x05\x8a\xc6\x1c\x4e\xab\xde\xb9\x28\x10\xed\x13\x35\x63\x4e\x38\xed\x83\xee\xc2\x2e\x8b\x55"..., 34136651) = 262144
exit_group(0)                           = ?
[   26.142844][   T23] audit: type=1400 audit(1689308854.670:71): avc:  denied  { mount } for  pid=358 comm="syz-executor380" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   26.175922][   T23] audit: type=1400 audit(1689308854.720:72): avc:  denied  { write } for  pid=358 comm="syz-executor380" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   26.197567][   T23] audit: type=1400 audit(1689308854.740:73): avc:  denied  { add_name } for  pid=358 comm="syz-executor380" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   26.210134][  T358] ------------[ cut here ]------------
[   26.222655][   T23] audit: type=1400 audit(1689308854.740:74): avc:  denied  { create } for  pid=358 comm="syz-executor380" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   26.223282][  T358] kernel BUG at fs/ext4/ext4.h:2981!
[   26.243559][   T23] audit: type=1400 audit(1689308854.740:75): avc:  denied  { read write open } for  pid=358 comm="syz-executor380" path="/root/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[   26.251807][  T358] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   26.277877][  T358] CPU: 1 PID: 358 Comm: syz-executor380 Not tainted 5.4.242-syzkaller #0
[   26.286115][  T358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
[   26.296017][  T358] RIP: 0010:ext4_mb_load_buddy_gfp+0xf29/0xf40
[   26.302001][  T358] Code: ff e8 cb c4 c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 d1 c4 c9 ff e9 48 f3 ff ff e8 37 0a 9a ff <0f> 0b e8 30 0a 9a ff 0f 0b e8 29 0a 9a ff 0f 0b e8 22 0a 9a ff 0f
[   26.321438][  T358] RSP: 0018:ffff8881dc0efa48 EFLAGS: 00010293
[   26.327341][  T358] RAX: ffffffff81ca2089 RBX: 0000000000000001 RCX: ffff8881dc465e80
[   26.335154][  T358] RDX: 0000000000000000 RSI: 0000000020457be0 RDI: 0000000000000001
[   26.342965][  T358] RBP: ffff8881dc175000 R08: ffffffff81ca1232 R09: ffffed103d36145b
[   26.350775][  T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103b82e87e
[   26.358588][  T358] R13: dffffc0000000000 R14: 0000000020457be0 R15: ffff8881dc1743f0
[   26.366398][  T358] FS:  0000555556a5e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   26.375167][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.381585][  T358] CR2: 0000559c299deb28 CR3: 00000001e255a000 CR4: 00000000003406a0
[   26.389400][  T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.397208][  T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.405018][  T358] Call Trace:
[   26.408158][  T358]  ? locks_remove_posix+0x660/0x660
[   26.413199][  T358]  ? ext4_get_group_number+0xad/0x190
[   26.418389][  T358]  ext4_discard_preallocations+0x603/0xb90
[   26.424038][  T358]  ? debug_smp_processor_id+0x20/0x20
[   26.429238][  T358]  ? ext4_exit_mballoc+0xf0/0xf0
[   26.434014][  T358]  ? __fsnotify_parent+0x310/0x310
[   26.438961][  T358]  ext4_release_file+0x165/0x300
[   26.443730][  T358]  ? ext4_file_open+0x5e0/0x5e0
[   26.448425][  T358]  __fput+0x262/0x680
[   26.452237][  T358]  task_work_run+0x140/0x170
[   26.456666][  T358]  do_exit+0xcaf/0x2bc0
[   26.460660][  T358]  ? put_task_struct+0x80/0x80
[   26.465258][  T358]  ? syscall_trace_enter+0x650/0x940
[   26.470378][  T358]  do_group_exit+0x138/0x300
[   26.474804][  T358]  __x64_sys_exit_group+0x3b/0x40
[   26.479666][  T358]  do_syscall_64+0xca/0x1c0
[   26.484009][  T358]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   26.489729][  T358] Modules linked in:
[   26.493679][  T358] ---[ end trace 523a12d49d322c50 ]---
[   26.499052][  T358] RIP: 0010:ext4_mb_load_buddy_gfp+0xf29/0xf40
[   26.505000][  T358] Code: ff e8 cb c4 c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 d1 c4 c9 ff e9 48 f3 ff ff e8 37 0a 9a ff <0f> 0b e8 30 0a 9a ff 0f 0b e8 29 0a 9a ff 0f 0b e8 22 0a 9a ff 0f
[   26.524469][  T358] RSP: 0018:ffff8881dc0efa48 EFLAGS: 00010293
[   26.530356][  T358] RAX: ffffffff81ca2089 RBX: 0000000000000001 RCX: ffff8881dc465e80
[   26.538172][  T358] RDX: 0000000000000000 RSI: 0000000020457be0 RDI: 0000000000000001
[   26.545978][  T358] RBP: ffff8881dc175000 R08: ffffffff81ca1232 R09: ffffed103d36145b
[   26.553773][  T358] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103b82e87e
[   26.561609][  T358] R13: dffffc0000000000 R14: 0000000020457be0 R15: ffff8881dc1743f0
[   26.569417][  T358] FS:  0000555556a5e380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   26.578187][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.584583][  T358] CR2: 0000559c299deb28 CR3: 00000001e255a000 CR4: 00000000003406a0
[   26.592518][  T358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.600321][  T358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.608134][  T358] Kernel panic - not syncing: Fatal exception
[   26.614070][  T358] Kernel Offset: disabled
[   26.618172][  T358] Rebooting in 86400 seconds..