./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3595214333
<...>
Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts.
execve("./syz-executor3595214333", ["./syz-executor3595214333"], 0x7fff27259380 /* 10 vars */) = 0
brk(NULL) = 0x5555661d2000
brk(0x5555661d2d00) = 0x5555661d2d00
arch_prctl(ARCH_SET_FS, 0x5555661d2380) = 0
set_tid_address(0x5555661d2650) = 295
set_robust_list(0x5555661d2660, 24) = 0
rseq(0x5555661d2ca0, 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-executor3595214333", 4096) = 28
getrandom("\x4d\x1e\x0d\x4a\x54\xd6\x38\x0b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555661d2d00
brk(0x5555661f3d00) = 0x5555661f3d00
brk(0x5555661f4000) = 0x5555661f4000
mprotect(0x7f815693c000, 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, 0executing program
) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f814e487000
[ 22.202917][ T28] audit: type=1400 audit(1737764739.093:66): avc: denied { execmem } for pid=295 comm="syz-executor359" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
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"..., 20699119) = 20699119
munmap(0x7f814e487000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file2", 0777) = 0
[ 22.289776][ T28] audit: type=1400 audit(1737764739.183:67): avc: denied { read write } for pid=295 comm="syz-executor359" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 22.290695][ T295] loop0: detected capacity change from 0 to 40427
[ 22.313823][ T28] audit: type=1400 audit(1737764739.183:68): avc: denied { open } for pid=295 comm="syz-executor359" path="/dev/loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 22.331140][ T295] ================================================================================
[ 22.347267][ T28] audit: type=1400 audit(1737764739.183:69): avc: denied { ioctl } for pid=295 comm="syz-executor359" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 22.353318][ T295] UBSAN: shift-out-of-bounds in fs/f2fs/super.c:919:5
[ 22.378550][ T28] audit: type=1400 audit(1737764739.223:70): avc: denied { mounton } for pid=295 comm="syz-executor359" path="/root/file2" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 22.385206][ T295] shift exponent 105 is too large for 64-bit type 'unsigned long'
[ 22.415092][ T295] CPU: 1 PID: 295 Comm: syz-executor359 Not tainted 6.1.118-syzkaller-00024-g72db89d3d913 #0
[ 22.424998][ T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 22.434888][ T295] Call Trace:
[ 22.438020][ T295] <TASK>
[ 22.440790][ T295] dump_stack_lvl+0x151/0x1b7
[ 22.445301][ T295] ? nf_tcp_handle_invalid+0x3f1/0x3f1
[ 22.450598][ T295] dump_stack+0x15/0x18
[ 22.454588][ T295] __ubsan_handle_shift_out_of_bounds+0x3e1/0x440
[ 22.460841][ T295] parse_options+0x4b19/0x4b30
[ 22.465437][ T295] ? mount_bdev+0x282/0x3b0
[ 22.469777][ T295] ? f2fs_mount+0x34/0x40
[ 22.473953][ T295] ? default_options+0xc60/0xc60
[ 22.478719][ T295] ? kstrdup+0x54/0x70
[ 22.482625][ T295] ? memcpy+0x56/0x70
[ 22.486443][ T295] f2fs_fill_super+0x23bc/0x6dc0
[ 22.491230][ T295] ? kill_f2fs_super+0x3c0/0x3c0
[ 22.495993][ T295] ? set_blocksize+0x1cb/0x360
[ 22.500589][ T295] ? sb_set_blocksize+0xa8/0xf0
[ 22.505278][ T295] mount_bdev+0x282/0x3b0
[ 22.509442][ T295] ? kill_f2fs_super+0x3c0/0x3c0
[ 22.514217][ T295] f2fs_mount+0x34/0x40
[ 22.518206][ T295] legacy_get_tree+0xf1/0x190
[ 22.522723][ T295] ? trace_raw_output_f2fs__rw_end+0x110/0x110
[ 22.528709][ T295] vfs_get_tree+0x88/0x290
[ 22.532962][ T295] do_new_mount+0x2ba/0xb30
[ 22.537309][ T295] ? do_move_mount_old+0x160/0x160
[ 22.542249][ T295] ? security_capable+0x87/0xb0
[ 22.546940][ T295] ? ns_capable+0x89/0xe0
[ 22.551103][ T295] path_mount+0x671/0x1070
[ 22.555357][ T295] ? user_path_at_empty+0x14e/0x1a0
[ 22.560393][ T295] __se_sys_mount+0x2c4/0x3b0
[ 22.564905][ T295] ? __x64_sys_mount+0xd0/0xd0
[ 22.569504][ T295] ? fpregs_restore_userregs+0x130/0x290
[ 22.574975][ T295] __x64_sys_mount+0xbf/0xd0
[ 22.579397][ T295] x64_sys_call+0x49d/0x9a0
[ 22.583740][ T295] do_syscall_64+0x3b/0xb0
[ 22.587991][ T295] ? clear_bhb_loop+0x55/0xb0
[ 22.592501][ T295] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 22.598230][ T295] RIP: 0033:0x7f81568c5cfa
[ 22.602486][ T295] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 22.621926][ T295] RSP: 002b:00007ffe70d6f6e8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
[ 22.630173][ T295] RAX: ffffffffffffffda RBX: 00007ffe70d6f700 RCX: 00007f81568c5cfa
mount("/dev/loop0", "./file2", "f2fs", 0, "nouser_xattr,active_logs=4,active_logs=4,noquota,noflush_merge,io_bits=00000000000000000151,prjjquot"...) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 22.637982][ T295] RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007ffe70d6f700
[ 22.645792][ T295] RBP: 0000000000000004 R08: 00007ffe70d6f740 R09: 00000000000054fa
[ 22.653605][ T295] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[ 22.661418][ T295] R13: 00007ffe70d6f740 R14: 0000000000000003 R15: 00000000013bd7ef
[ 22.669232][ T295] </TASK>
[ 22.672190][ T295] ================================================================================
[ 22.681380][ T295] F2FS-fs (loop0): Not support 2199023255552, larger than 256
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
exit_group(0) = ?
+++ exited with 0 +++