r0 = perf_event_open(&(0x7f0000001d80)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x0, 0x3}, 0x0, 0x0, 0x0, 0x2, 0x2, 0x1, 0x2, 0x0, 0x0, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000002700)='/proc/stat\x00', 0x0, 0x0)
r2 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/tcp_wmem\x00', 0x1, 0x0)
syz_io_uring_submit(0x0, 0x0, &(0x7f00000005c0)=@IORING_OP_FILES_UPDATE={0x14, 0x1, 0x0, 0x0, 0x0, &(0x7f0000000580)=[0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0, r2, 0xffffffffffffffff], 0x6}, 0x7)
ioctl$BTRFS_IOC_QUOTA_CTL(r1, 0xc0109428, &(0x7f0000000140)={0x2, 0x9})
mmap$IORING_OFF_CQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x2000006, 0x10, r1, 0x8000000)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r3, 0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x2000000, 0x12, r3, 0x0)
r4 = fork()
ptrace(0x10, r4)
ptrace$peeksig(0x4209, r4, &(0x7f0000000040)={0x21, 0x0, 0x1}, &(0x7f0000000080)=[{}])