mpute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r3 = add_key(&(0x7f0000000040)='big_key\x00', &(0x7f0000000080)={'syz', 0x3}, &(0x7f00000000c0)="84aec4a99d9042d19d1cbb9bf0a5fb7aca6f4cb61ccfb5ff465a4843a481acd8e724f0077f41ea662e68373a44518c3e12bacd8b625b9fcb201eb64cda38b429ede04d7a78176a00", 0x48, 0xfffffffffffffff8) r4 = add_key(&(0x7f00000002c0)='user\x00', &(0x7f0000000300)={'syz', 0x1}, &(0x7f0000000340)='\n', 0x1, 0xfffffffffffffffe) keyctl$clear(0x7, r4) r5 = add_key$user(&(0x7f0000000140)='user\x00', &(0x7f0000000180)={'syz', 0x3}, &(0x7f00000001c0)="3a5213f1b91b4433d54ffdf89d0361ce2368c6c657eade60fe0e32800fbe19f1cdadb82c8b58b8e13522b38eb2ac34b348d5260ed370e38d615408d6f0141ed7ee95953507ce", 0x46, r4) keyctl$dh_compute(0x17, &(0x7f0000000240)={r1, r3, r5}, &(0x7f0000000280)=""/98, 0x62, &(0x7f0000000340)={&(0x7f0000000300)={'crc32\x00'}}) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:12 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 643.505194][T32735] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 643.614914][T32735] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 643.623081][T32755] overlayfs: failed to resolve './file0': -2 [ 643.633388][T32735] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 643.665513][T32735] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52005) [ 643.699771][T32735] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x12c}}, 0x1c) 23:37:12 executing program 4: perf_event_open(&(0x7f0000000140)={0x2, 0x44, 0xf7d, 0x1, 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, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r0, 0x88001) r1 = socket(0x11, 0x3, 0x0) bind(r1, &(0x7f0000000180)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) r2 = open(&(0x7f0000000140)='./bus\x00', 0x0, 0x0) sendfile(r1, r2, 0x0, 0x4e68d5f8) 23:37:12 executing program 0: r0 = socket(0xa, 0x1, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180)='/dev/zero\x00', 0xc0a00, 0x0) unlinkat(r1, &(0x7f0000000080)='./file0\x00', 0x0) r2 = fcntl$getown(0xffffffffffffffff, 0x9) pidfd_open(r2, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) getsockopt$CAN_RAW_FD_FRAMES(r3, 0x65, 0x5, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl(r0, 0x101, &(0x7f0000000000)) uselib(&(0x7f0000000140)='./file0\x00') ioctl$KVM_SET_BOOT_CPU_ID(0xffffffffffffffff, 0xae78, &(0x7f0000000040)=0x1) 23:37:12 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000fffffdfd01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:12 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:12 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0620f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:12 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 644.055118][ T312] overlayfs: failed to resolve './file0': -2 [ 644.076425][ T316] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 644.121490][ T316] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 644.129966][ T26] audit: type=1804 audit(1573515432.857:266): pid=322 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir475886728/syzkaller.rGaLP8/699/bus" dev="sda1" ino=16642 res=1 23:37:12 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 644.168791][ T316] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52006) [ 644.200499][ T316] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 644.289711][ T26] audit: type=1804 audit(1573515433.027:267): pid=331 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir475886728/syzkaller.rGaLP8/699/bus" dev="sda1" ino=16642 res=1 23:37:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0720f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000fffffffd01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:13 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:13 executing program 4: perf_event_open(&(0x7f0000000140)={0x2, 0x44, 0xf7d, 0x1, 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, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) semctl$IPC_STAT(0x0, 0x0, 0x2, &(0x7f0000000240)=""/145) [ 644.494807][ T341] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 644.549540][ T341] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 644.598067][ T341] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52007) [ 644.633907][ T341] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1f4}}, 0x1c) 23:37:13 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 644.746963][ T341] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 644.780508][ T341] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 644.803515][ T341] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52007) [ 644.831877][ T341] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0820f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000fff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:13 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0xc, 0x3, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='syzkaller\x00', 0x1, 0xcf, &(0x7f0000000480)=""/207}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00000001c0)={0x6, 0x0, 0x0, 0x0, 0x81, 0x1, 0x0, [], 0x0, 0xffffffffffffffff, 0x0, 0x4}, 0x3c) 23:37:13 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:13 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:13 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) getsockopt$netrom_NETROM_N2(r0, 0x103, 0x3, &(0x7f00000000c0)=0x8, &(0x7f0000000100)=0x4) r1 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$FICLONE(r1, 0x40049409, r2) r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-control\x00', 0x1, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000140)={0x1, [0x0]}, &(0x7f0000000180)=0x8) ioctl$IOC_PR_RELEASE(r3, 0x401070ca, &(0x7f0000000080)={0x1ff, 0x6, 0x1}) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer2\x00', 0x48c200, 0x0) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r6, 0x0) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r7, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r7, 0x0) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r8, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r8, 0x0) r9 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r9, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r9, 0x0) r10 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r10, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r10, 0x0) r11 = open(&(0x7f0000000300)='./file0\x00', 0x40, 0x204) r12 = openat$cgroup_ro(r11, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r12, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r12, 0x0) r13 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r13, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r13, 0x0) ioctl$UDMABUF_CREATE_LIST(r4, 0x40087543, &(0x7f0000000200)={0x0, 0x8, [{r5, 0x0, 0x69b49bdc4dad2db8, 0x8000}, {r6, 0x0, 0xfffffffffffff000, 0x1000000000000}, {r7, 0x0, 0xfffffffff0000000, 0x8000}, {r8, 0x0, 0xfffffffff0000000, 0x1000000000000}, {r9, 0x0, 0x8000, 0x100000000}, {r10, 0x0, 0xfffff000, 0xfffff000}, {r12, 0x0, 0x7295d06b92153f3a, 0x1000}, {r13, 0x0, 0xfffffffffffff000, 0x1000000000000}]}) ioctl(r1, 0x8916, &(0x7f0000000000)) [ 645.026070][ T378] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 645.085603][ T378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 645.142928][ T378] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52008) 23:37:13 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000ffffefff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 645.189826][ T378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:14 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0xc, 0x3, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='syzkaller\x00', 0x1, 0xcf, &(0x7f0000000480)=""/207}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f00000001c0)={0x6, 0x0, 0x0, 0x0, 0x81, 0x1, 0x0, [], 0x0, 0xffffffffffffffff, 0x0, 0x4}, 0x3c) 23:37:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0920f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 645.392324][ T395] overlayfs: failed to resolve './file1': -2 [ 645.501075][ T406] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 645.541323][ T406] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 645.566798][ T406] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52009) [ 645.588115][ T406] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:14 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x300}}, 0x1c) 23:37:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000ffefffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:14 executing program 4: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x25000000, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 645.723368][ T420] F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 645.733005][ T422] overlayfs: failed to resolve './file1': -2 [ 645.734291][ T406] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 645.754688][ T420] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock 23:37:14 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 645.786219][ T406] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 645.796173][ T420] F2FS-fs (loop4): Small segment_count (22 < 9 * 14) [ 645.811384][ T406] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52009) [ 645.820130][ T406] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 645.825818][ T420] F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock 23:37:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0a20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:14 executing program 4 (fault-call:7 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 645.969991][ T437] overlayfs: failed to resolve './file1': -2 [ 646.111094][ T443] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 646.150769][ T443] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 646.156412][ T445] FAULT_INJECTION: forcing a failure. [ 646.156412][ T445] name failslab, interval 1, probability 0, space 0, times 0 [ 646.188325][ T443] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200a) [ 646.216909][ T445] CPU: 1 PID: 445 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 646.220798][ T443] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 646.224569][ T445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.224575][ T445] Call Trace: [ 646.224594][ T445] dump_stack+0x1fb/0x318 [ 646.224612][ T445] should_fail+0x555/0x770 [ 646.224628][ T445] __should_failslab+0x11a/0x160 [ 646.259719][ T445] ? getname_flags+0xba/0x640 [ 646.264512][ T445] should_failslab+0x9/0x20 [ 646.269275][ T445] kmem_cache_alloc+0x56/0x2e0 [ 646.274034][ T445] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 646.279751][ T445] getname_flags+0xba/0x640 [ 646.284252][ T445] ? do_syscall_64+0x1d/0x1c0 [ 646.288930][ T445] __x64_sys_unlink+0x3c/0x50 [ 646.293603][ T445] do_syscall_64+0xf7/0x1c0 [ 646.298109][ T445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.303991][ T445] RIP: 0033:0x45a219 23:37:15 executing program 0: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r1, 0x4008af23, &(0x7f0000000040)={0x2, 0x7}) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000100)=0x1, 0x4) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000f9fdffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:15 executing program 1: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 646.307879][ T445] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 646.327479][ T445] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 646.335887][ T445] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 646.343862][ T445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 646.351836][ T445] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 646.359808][ T445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 646.367773][ T445] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 646.384626][ T458] overlayfs: failed to resolve './file1': -2 23:37:15 executing program 4 (fault-call:7 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:15 executing program 1: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 646.447743][ T443] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 646.475181][ T443] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 646.503016][ T443] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200a) [ 646.518259][ T443] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3e8}}, 0x1c) [ 646.560041][ T470] overlayfs: failed to resolve './file1': -2 23:37:15 executing program 1: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 646.643591][ T476] FAULT_INJECTION: forcing a failure. [ 646.643591][ T476] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 646.656831][ T476] CPU: 0 PID: 476 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 646.664460][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.674516][ T476] Call Trace: [ 646.677813][ T476] dump_stack+0x1fb/0x318 [ 646.682150][ T476] should_fail+0x555/0x770 [ 646.686574][ T476] should_fail_alloc_page+0x55/0x60 [ 646.691767][ T476] prepare_alloc_pages+0x283/0x460 [ 646.696878][ T476] __alloc_pages_nodemask+0xb2/0x5d0 [ 646.702162][ T476] ? vfs_write+0x4a2/0x590 [ 646.706587][ T476] kmem_getpages+0x4d/0xa00 [ 646.711089][ T476] cache_grow_begin+0x7e/0x2c0 [ 646.715850][ T476] cache_alloc_refill+0x311/0x3f0 [ 646.720874][ T476] ? check_preemption_disabled+0xb7/0x2a0 [ 646.726590][ T476] kmem_cache_alloc+0x2b9/0x2e0 [ 646.731431][ T476] ? getname_flags+0xba/0x640 [ 646.736108][ T476] getname_flags+0xba/0x640 [ 646.740605][ T476] ? do_syscall_64+0x1d/0x1c0 [ 646.745284][ T476] __x64_sys_unlink+0x3c/0x50 [ 646.749956][ T476] do_syscall_64+0xf7/0x1c0 [ 646.754456][ T476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.760340][ T476] RIP: 0033:0x45a219 [ 646.764235][ T476] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 646.783846][ T476] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:15 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0b20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 646.792258][ T476] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 646.800243][ T476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 646.808215][ T476] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 646.816179][ T476] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 646.824146][ T476] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000fdfdffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:15 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$sock_inet_SIOCSIFNETMASK(r2, 0x891c, &(0x7f0000000240)={'bcsf0\x00', {0x2, 0x4e23, @loopback}}) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) ioctl$UDMABUF_CREATE_LIST(r1, 0x40087543, &(0x7f0000000280)={0x0, 0x1, [{r3, 0x0, 0x0, 0x8000}]}) r4 = syz_open_dev$radio(&(0x7f0000000200)='/dev/radio#\x00', 0x0, 0x2) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f0000000180)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00', 0x0, r4) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r5 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080)='TIPCv2\x00') sendmsg$TIPC_NL_PUBL_GET(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x30f252052dc6c7d2}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r5, 0x200, 0x70bd2d, 0x25dfdbfd, {}, [@TIPC_NLA_NODE={0xc, 0x6, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x16f}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x20040800}, 0xc35ec37ba521858e) ioctl(r0, 0x20008916, &(0x7f0000000000)) [ 646.895662][ T479] overlayfs: failed to resolve './file1': -2 23:37:15 executing program 4 (fault-call:7 fault-nth:2): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:15 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 647.033165][ T487] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 647.094958][ T487] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 647.132676][ T487] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200b) 23:37:15 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 647.140251][ T498] FAULT_INJECTION: forcing a failure. [ 647.140251][ T498] name failslab, interval 1, probability 0, space 0, times 0 [ 647.151835][ T487] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 647.166227][ T498] CPU: 0 PID: 498 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 647.173867][ T498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 647.183909][ T498] Call Trace: [ 647.183927][ T498] dump_stack+0x1fb/0x318 [ 647.183944][ T498] should_fail+0x555/0x770 [ 647.183964][ T498] __should_failslab+0x11a/0x160 [ 647.201088][ T498] ? __d_alloc+0x2d/0x6e0 [ 647.205414][ T498] should_failslab+0x9/0x20 [ 647.209910][ T498] kmem_cache_alloc+0x56/0x2e0 [ 647.214671][ T498] __d_alloc+0x2d/0x6e0 [ 647.218832][ T498] d_alloc+0x4e/0x1d0 [ 647.222802][ T498] __lookup_hash+0xe5/0x290 [ 647.222817][ T498] do_unlinkat+0x1b4/0x7a0 [ 647.222837][ T498] __x64_sys_unlink+0x49/0x50 [ 647.222852][ T498] do_syscall_64+0xf7/0x1c0 23:37:15 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 647.231727][ T498] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 647.231737][ T498] RIP: 0033:0x45a219 [ 647.231746][ T498] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 647.231752][ T498] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 647.231762][ T498] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 647.231768][ T498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 23:37:16 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0c20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 647.231774][ T498] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 647.231781][ T498] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 647.231786][ T498] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 647.452603][ T509] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 647.475177][ T509] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00007fffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 647.521006][ T509] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200c) [ 647.549594][ T509] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x500}}, 0x1c) 23:37:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:16 executing program 4 (fault-call:7 fault-nth:3): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:16 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0d20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 647.905300][ T540] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 647.940035][ T544] FAULT_INJECTION: forcing a failure. [ 647.940035][ T544] name failslab, interval 1, probability 0, space 0, times 0 [ 647.953286][ T540] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 647.962742][ T544] CPU: 1 PID: 544 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 647.970394][ T544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 647.980447][ T544] Call Trace: [ 647.983746][ T544] dump_stack+0x1fb/0x318 [ 647.988084][ T544] should_fail+0x555/0x770 [ 647.992508][ T544] __should_failslab+0x11a/0x160 [ 647.997444][ T544] ? __d_alloc+0x2d/0x6e0 [ 648.001776][ T544] should_failslab+0x9/0x20 [ 648.006276][ T544] kmem_cache_alloc+0x56/0x2e0 [ 648.011039][ T544] ? __lock_acquire+0xc75/0x1be0 [ 648.015986][ T544] __d_alloc+0x2d/0x6e0 [ 648.017529][ T540] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200d) [ 648.020134][ T544] d_alloc_parallel+0x7f/0x1430 [ 648.020166][ T544] ? memset+0x31/0x40 [ 648.020176][ T544] ? lockdep_init_map+0x2a/0x680 [ 648.020191][ T544] __lookup_slow+0xa7/0x380 [ 648.020210][ T544] lookup_one_len_unlocked+0xe0/0x1d0 [ 648.020304][ T544] ovl_lookup_single+0x67/0x8b0 [ 648.020317][ T544] ovl_lookup_layer+0x3ad/0x470 [ 648.034814][ T540] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 648.035459][ T544] ? __kasan_check_write+0x14/0x20 [ 648.035477][ T544] ovl_lookup+0x393/0x1c70 [ 648.081663][ T544] ? __kasan_check_read+0x11/0x20 [ 648.086686][ T544] ? do_raw_spin_unlock+0x49/0x260 [ 648.091798][ T544] __lookup_hash+0x141/0x290 [ 648.096387][ T544] do_unlinkat+0x1b4/0x7a0 [ 648.100808][ T544] __x64_sys_unlink+0x49/0x50 [ 648.105483][ T544] do_syscall_64+0xf7/0x1c0 [ 648.109987][ T544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 648.115874][ T544] RIP: 0033:0x45a219 [ 648.119758][ T544] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 648.139364][ T544] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 648.147776][ T544] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 23:37:16 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = syz_open_dev$amidi(&(0x7f0000000040)='/dev/amidi#\x00', 0x101, 0x4100) ioctl$UI_BEGIN_FF_ERASE(r1, 0xc00c55ca, &(0x7f0000000080)={0xb, 0x9, 0x3ed0}) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00008cffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 648.155743][ T544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 648.163708][ T544] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 648.171674][ T544] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 648.179644][ T544] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:16 executing program 4 (fault-call:7 fault-nth:4): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:17 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="0e20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:17 executing program 0: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) r3 = fcntl$dupfd(r1, 0x406, r2) connect(r3, &(0x7f0000000100)=@llc={0x1a, 0x312, 0x3, 0xff, 0xd9, 0x6, @dev={[], 0x16}}, 0x80) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r1, 0x0, 0x48c, &(0x7f0000000040)={0x0, 'bridge_slave_1\x00', 0x3}, 0xffffffffffffffc1) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 648.365917][ T565] overlayfs: failed to resolve './file0': -2 [ 648.425836][ T566] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 648.458058][ T566] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 648.469388][ T566] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5200e) [ 648.478505][ T566] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 648.514705][ T574] FAULT_INJECTION: forcing a failure. [ 648.514705][ T574] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 648.527934][ T574] CPU: 1 PID: 574 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 648.535559][ T574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 648.545617][ T574] Call Trace: [ 648.548912][ T574] dump_stack+0x1fb/0x318 [ 648.553247][ T574] should_fail+0x555/0x770 [ 648.557681][ T574] should_fail_alloc_page+0x55/0x60 [ 648.562881][ T574] prepare_alloc_pages+0x283/0x460 [ 648.567994][ T574] __alloc_pages_nodemask+0xb2/0x5d0 [ 648.573286][ T574] kmem_getpages+0x4d/0xa00 [ 648.577787][ T574] cache_grow_begin+0x7e/0x2c0 [ 648.582550][ T574] cache_alloc_refill+0x311/0x3f0 [ 648.587570][ T574] ? check_preemption_disabled+0xb7/0x2a0 [ 648.593292][ T574] kmem_cache_alloc+0x2b9/0x2e0 [ 648.598139][ T574] ? __d_alloc+0x2d/0x6e0 [ 648.602466][ T574] __d_alloc+0x2d/0x6e0 [ 648.606621][ T574] d_alloc_parallel+0x7f/0x1430 [ 648.611475][ T574] ? memset+0x31/0x40 [ 648.615457][ T574] ? lockdep_init_map+0x2a/0x680 [ 648.620399][ T574] __lookup_slow+0xa7/0x380 [ 648.624909][ T574] lookup_one_len_unlocked+0xe0/0x1d0 [ 648.630285][ T574] ovl_lookup_single+0x67/0x8b0 [ 648.635141][ T574] ovl_lookup_layer+0x3ad/0x470 [ 648.640004][ T574] ? __kasan_check_write+0x14/0x20 [ 648.645118][ T574] ovl_lookup+0x393/0x1c70 [ 648.649555][ T574] ? __kasan_check_read+0x11/0x20 [ 648.654574][ T574] ? do_raw_spin_unlock+0x49/0x260 [ 648.659690][ T574] __lookup_hash+0x141/0x290 [ 648.664288][ T574] do_unlinkat+0x1b4/0x7a0 [ 648.665967][ T583] overlayfs: failed to resolve './file0': -2 [ 648.668706][ T574] __x64_sys_unlink+0x49/0x50 [ 648.668720][ T574] do_syscall_64+0xf7/0x1c0 [ 648.668734][ T574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 648.668744][ T574] RIP: 0033:0x45a219 [ 648.668754][ T574] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 648.668759][ T574] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:17 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x600}}, 0x1c) 23:37:17 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000097ffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:17 executing program 4 (fault-call:7 fault-nth:5): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 648.668774][ T574] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 648.668780][ T574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 648.668785][ T574] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 648.668790][ T574] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 648.668796][ T574] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:17 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1120f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 648.910109][ T593] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 648.942016][ T593] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 648.959109][ T598] FAULT_INJECTION: forcing a failure. [ 648.959109][ T598] name failslab, interval 1, probability 0, space 0, times 0 [ 648.973195][ T593] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52011) [ 649.016852][ T593] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 649.027636][ T598] CPU: 0 PID: 598 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 649.035300][ T598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.045357][ T598] Call Trace: [ 649.048662][ T598] dump_stack+0x1fb/0x318 [ 649.053010][ T598] should_fail+0x555/0x770 [ 649.057441][ T598] __should_failslab+0x11a/0x160 [ 649.062384][ T598] ? kcalloc+0x2f/0x50 [ 649.065232][ T605] overlayfs: failed to resolve './file0': -2 [ 649.066451][ T598] should_failslab+0x9/0x20 [ 649.066465][ T598] __kmalloc+0x7a/0x340 [ 649.066480][ T598] ? __kasan_check_write+0x14/0x20 [ 649.086254][ T598] kcalloc+0x2f/0x50 [ 649.090156][ T598] ovl_lookup+0x661/0x1c70 [ 649.094578][ T598] ? ovl_lookup+0x4a0/0x1c70 [ 649.099179][ T598] ? __kasan_check_read+0x11/0x20 [ 649.104201][ T598] ? do_raw_spin_unlock+0x49/0x260 [ 649.109322][ T598] __lookup_hash+0x141/0x290 23:37:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 649.113910][ T598] do_unlinkat+0x1b4/0x7a0 [ 649.118331][ T598] __x64_sys_unlink+0x49/0x50 [ 649.123006][ T598] do_syscall_64+0xf7/0x1c0 [ 649.127510][ T598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 649.133399][ T598] RIP: 0033:0x45a219 [ 649.137292][ T598] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 649.156898][ T598] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:17 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) unshare(0x40400) r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='-\xaeO\x11\xdb\n\xec\x9f\xfe', 0x208000, 0x0) syncfs(r1) times(&(0x7f00000001c0)) [ 649.165404][ T598] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 649.173380][ T598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 649.181359][ T598] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 649.189326][ T598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 649.197295][ T598] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:18 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000ebffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:18 executing program 4 (fault-call:7 fault-nth:6): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 649.321882][ T593] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 649.335957][ T593] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 649.345964][ T593] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52011) [ 649.354492][ T593] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:18 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1220f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 649.494546][ T615] FAULT_INJECTION: forcing a failure. [ 649.494546][ T615] name failslab, interval 1, probability 0, space 0, times 0 [ 649.523406][ T615] CPU: 1 PID: 615 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 649.531078][ T615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.541128][ T615] Call Trace: [ 649.541147][ T615] dump_stack+0x1fb/0x318 [ 649.541165][ T615] should_fail+0x555/0x770 [ 649.541184][ T615] __should_failslab+0x11a/0x160 [ 649.541198][ T615] ? kcalloc+0x2f/0x50 [ 649.541209][ T615] should_failslab+0x9/0x20 [ 649.541220][ T615] __kmalloc+0x7a/0x340 [ 649.541229][ T615] ? ovl_encode_real_fh+0x265/0x380 [ 649.541240][ T615] kcalloc+0x2f/0x50 [ 649.541250][ T615] ovl_lookup_index+0xb5/0x6c0 [ 649.541264][ T615] ovl_lookup+0x129f/0x1c70 [ 649.541281][ T615] ? ovl_lookup+0x4a0/0x1c70 23:37:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x668}}, 0x1c) 23:37:18 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = syz_open_dev$swradio(&(0x7f0000000040)='/dev/swradio#\x00', 0x0, 0x2) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) r3 = socket(0x40000000015, 0x5, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r4, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="104730355e9133311617122e1ab61a48219279fca9db543fa58eb1b1c3842ec796d52894c8b722939df4010309142760b22565dbc759b1e8a941ff5192e141b17b0e460dc7d19443811e89d49750bdf8f11013b6e399978feaf31a2c42398890460afe0ed50c5388eb75fff9067a320dcc6850226cd48aff7f44ffe97ac81bd7f8a7e9922e2fdc556a60a6bea2ddef5eb5d10128c1b27c2bc78b991968c93aa9200450961066df2e14", @ANYRES32=0x0], &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x11, &(0x7f0000000140)={r5}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r1, 0x84, 0x22, &(0x7f0000000080)={0x400, 0x8000, 0x7, 0x800, r5}, 0x10) 23:37:18 executing program 4 (fault-call:7 fault-nth:7): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 649.548914][ T615] ? __kasan_check_read+0x11/0x20 [ 649.548926][ T615] ? do_raw_spin_unlock+0x49/0x260 [ 649.548948][ T615] __lookup_hash+0x141/0x290 [ 649.548963][ T615] do_unlinkat+0x1b4/0x7a0 [ 649.548982][ T615] __x64_sys_unlink+0x49/0x50 [ 649.548991][ T615] do_syscall_64+0xf7/0x1c0 [ 649.549006][ T615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 649.549017][ T615] RIP: 0033:0x45a219 23:37:18 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$SIOCX25GCALLUSERDATA(r0, 0x89e4, &(0x7f0000000040)={0x2f, "393f729edff8eac50ef32cf941f07cdb2b4ac756325a428a7c80dc1724c8b63e07c7216d104f1ada31855960f79494b492c961196227415d3b209d0b2eb46135c2c3aa2f6994c0252b787300006d6df913f2eeb889daeae94abd9755b1bf78ba0bcdf7655c13851916398832635b4f129eabb914dd2ccb3f0f69722df22c35ec"}) execve(&(0x7f0000000100)='./file0\x00', &(0x7f00000003c0)=[&(0x7f0000000140)='\x00', &(0x7f0000000180)='\x00', &(0x7f00000001c0)='syz_tun\x00', &(0x7f0000000200)='syz_tun\x00', &(0x7f0000000240)='syz_tun\x00', &(0x7f0000000280)='vboxnet1trusted\x00', &(0x7f00000002c0)='^posix_acl_access*cpusetGPL\x00', &(0x7f0000000300)='syz_tun\x00', &(0x7f0000000340)='syz_tun\x00', &(0x7f0000000380)='cgroupselinux\x00'], &(0x7f0000000480)=[&(0x7f0000000440)='syz_tun\x00']) r1 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r1, 0x8916, &(0x7f0000000000)) [ 649.549027][ T615] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 649.549033][ T615] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 649.549043][ T615] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 649.549048][ T615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 649.549053][ T615] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 649.549059][ T615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 649.549064][ T615] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 649.811184][ T646] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 649.858108][ T646] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 649.877226][ T643] FAULT_INJECTION: forcing a failure. [ 649.877226][ T643] name failslab, interval 1, probability 0, space 0, times 0 [ 649.883645][ T646] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52012) [ 649.899091][ T643] CPU: 0 PID: 643 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 23:37:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:18 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) ioctl$TIOCSSOFTCAR(r1, 0x541a, &(0x7f0000000240)=0xffff) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000080)={0x26, 'aead\x00', 0x0, 0x0, 'gcm_base(ctr(aes-aesni),ghash-generic)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000040)="ab553fec94248c32e27d04000000288a", 0x10) r3 = accept$alg(r2, 0x0, 0x0) sendmsg$alg(r3, &(0x7f0000001380)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=[@op={0x18, 0x117, 0x3, 0xffffff1f}, @assoc={0x18}], 0x30}, 0x0) mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x2, 0x110, r1, 0xe11f7000) getsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000380)={0x0, @empty, @multicast2}, &(0x7f00000003c0)=0xc) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000280)={'ip_vti0\x00', {0x2, 0x4e20, @rand_addr=0x7}}) setsockopt$inet_mreqn(r1, 0x0, 0x20, &(0x7f0000000400)={@loopback, @dev={0xac, 0x14, 0x14, 0x20}, r4}, 0xc) ioctl(r0, 0x8916, &(0x7f00000002c0)="241b8cac0f2be25d4ca12c5d825aee7cf60743ef59bcd1eaf1378bd596bf43207b111e84ce19f68d5cd73095ff0000000000000082c30831fb294511103dfd3b87e8e2a2588d909ece564f7a3470982c95742b164824921938bce2018a659bd46063a9d6d94269013d438da9ff58f3438d1e00"/129) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) ioctl$KVM_SET_SREGS(r5, 0x4138ae84, &(0x7f0000000440)={{0x2, 0x6000, 0x0, 0x2, 0x80, 0x4, 0x20, 0x41, 0x80, 0x2, 0x20, 0x4}, {0x2, 0x10000, 0xf7565f69d38c7ffa, 0x80, 0x7, 0x1f, 0x17, 0x1, 0x9, 0x7, 0x81, 0xff}, {0x2000, 0x2000, 0x9, 0x2, 0x81, 0x0, 0x4, 0x6, 0x5, 0x40, 0x7, 0x9}, {0x1000, 0x3000, 0xa, 0x80, 0xa5, 0x8f, 0x7, 0xff, 0x0, 0xff, 0x9, 0x3}, {0xe801, 0xf000, 0xe, 0x0, 0x9, 0x20, 0x9, 0x20, 0x1, 0x9, 0x1, 0x41}, {0x2, 0x2, 0x9, 0x1f, 0x7, 0x4, 0xf7, 0x9, 0x80, 0x4, 0xf0, 0x18}, {0x100000, 0x1000, 0xd, 0x1, 0x1, 0x6, 0x6, 0x9, 0x9, 0x9, 0x0, 0x4}, {0x5000, 0xf000, 0x6, 0x9d, 0x7, 0x7f, 0x0, 0x3d, 0x3f, 0x7, 0x2, 0x7}, {0x6000, 0x1a000}, {0x6004, 0x10000}, 0x80000000, 0x0, 0x10000, 0x20000, 0xe, 0x0, 0xf000, [0x2, 0x111, 0x8, 0x7ff]}) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r6, 0x0) setsockopt$EBT_SO_SET_COUNTERS(r6, 0x0, 0x81, &(0x7f0000000180)={'filter\x00', 0x0, 0x0, 0x0, [], 0x1, &(0x7f0000000100)=[{}, {}, {}, {}, {}, {}, {}], 0x0, [{}]}, 0x88) [ 649.906722][ T643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 649.916771][ T643] Call Trace: [ 649.920058][ T643] dump_stack+0x1fb/0x318 [ 649.924392][ T643] should_fail+0x555/0x770 [ 649.928816][ T643] __should_failslab+0x11a/0x160 [ 649.934189][ T643] ? kcalloc+0x2f/0x50 [ 649.937235][ T646] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 649.938258][ T643] should_failslab+0x9/0x20 [ 649.938271][ T643] __kmalloc+0x7a/0x340 [ 649.938281][ T643] ? ovl_encode_real_fh+0x265/0x380 [ 649.938294][ T643] kcalloc+0x2f/0x50 [ 649.938305][ T643] ovl_lookup_index+0xb5/0x6c0 [ 649.938327][ T643] ovl_lookup+0x129f/0x1c70 [ 649.973568][ T643] ? ovl_lookup+0x4a0/0x1c70 [ 649.978147][ T643] ? __kasan_check_read+0x11/0x20 [ 649.983155][ T643] ? do_raw_spin_unlock+0x49/0x260 [ 649.988252][ T643] __lookup_hash+0x141/0x290 [ 649.992817][ T643] do_unlinkat+0x1b4/0x7a0 [ 649.997227][ T643] __x64_sys_unlink+0x49/0x50 [ 650.001886][ T643] do_syscall_64+0xf7/0x1c0 [ 650.006372][ T643] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 650.012237][ T643] RIP: 0033:0x45a219 [ 650.016121][ T643] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 650.035703][ T643] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 650.044111][ T643] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 650.052062][ T643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 650.060007][ T643] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 650.067959][ T643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 650.075916][ T643] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:18 executing program 4 (fault-call:7 fault-nth:8): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:18 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000f6ffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:19 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="2920f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 650.307255][ T665] FAULT_INJECTION: forcing a failure. [ 650.307255][ T665] name failslab, interval 1, probability 0, space 0, times 0 [ 650.367010][ T665] CPU: 0 PID: 665 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 650.374675][ T665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 650.384801][ T665] Call Trace: [ 650.388078][ T665] dump_stack+0x1fb/0x318 [ 650.392387][ T665] should_fail+0x555/0x770 [ 650.396795][ T665] __should_failslab+0x11a/0x160 [ 650.401711][ T665] ? kzalloc+0x1f/0x40 [ 650.406040][ T665] should_failslab+0x9/0x20 [ 650.410539][ T665] __kmalloc+0x7a/0x340 [ 650.414679][ T665] kzalloc+0x1f/0x40 [ 650.418574][ T665] ovl_alloc_entry+0x21/0x80 [ 650.423154][ T665] ovl_lookup+0x12cf/0x1c70 [ 650.427641][ T665] ? ovl_lookup+0x4a0/0x1c70 [ 650.432222][ T665] ? __kasan_check_read+0x11/0x20 [ 650.437232][ T665] ? do_raw_spin_unlock+0x49/0x260 [ 650.442330][ T665] __lookup_hash+0x141/0x290 [ 650.446907][ T665] do_unlinkat+0x1b4/0x7a0 [ 650.451513][ T665] __x64_sys_unlink+0x49/0x50 [ 650.456181][ T665] do_syscall_64+0xf7/0x1c0 [ 650.460665][ T665] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 650.466537][ T665] RIP: 0033:0x45a219 [ 650.470417][ T665] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 650.490005][ T665] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 650.498389][ T665] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 650.506338][ T665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 23:37:19 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000fbffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 650.514287][ T665] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 650.522235][ T665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 650.530193][ T665] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x700}}, 0x1c) [ 650.574977][ T676] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:19 executing program 4 (fault-call:7 fault-nth:9): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 650.644167][ T676] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 650.657827][ T676] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52029) [ 650.679243][ T676] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:19 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="5e20f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 650.861292][ T693] FAULT_INJECTION: forcing a failure. [ 650.861292][ T693] name failslab, interval 1, probability 0, space 0, times 0 [ 650.884700][ T693] CPU: 1 PID: 693 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 650.892366][ T693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 650.902427][ T693] Call Trace: [ 650.905725][ T693] dump_stack+0x1fb/0x318 [ 650.910065][ T693] should_fail+0x555/0x770 [ 650.914494][ T693] __should_failslab+0x11a/0x160 [ 650.919431][ T693] ? ovl_alloc_inode+0x1f/0xa0 [ 650.924198][ T693] should_failslab+0x9/0x20 [ 650.928708][ T693] kmem_cache_alloc+0x56/0x2e0 [ 650.933558][ T693] ? ovl_free_fs+0x670/0x670 [ 650.938153][ T693] ovl_alloc_inode+0x1f/0xa0 [ 650.942740][ T693] ? ovl_free_fs+0x670/0x670 [ 650.947330][ T693] iget5_locked+0xb2/0x3e0 [ 650.951746][ T693] ? ovl_get_trap_inode+0x1a0/0x1a0 [ 650.956943][ T693] ? ovl_lookup_inode+0x130/0x130 [ 650.961966][ T693] ovl_get_inode+0x3bb/0xb80 [ 650.966560][ T693] ovl_lookup+0x1674/0x1c70 [ 650.971060][ T693] ? ovl_lookup+0x4a0/0x1c70 [ 650.975717][ T693] __lookup_hash+0x141/0x290 [ 650.980313][ T693] do_unlinkat+0x1b4/0x7a0 [ 650.984732][ T693] __x64_sys_unlink+0x49/0x50 [ 650.989401][ T693] do_syscall_64+0xf7/0x1c0 [ 650.993900][ T693] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 650.999785][ T693] RIP: 0033:0x45a219 23:37:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 651.003674][ T693] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 651.023267][ T693] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 651.031667][ T693] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 651.039615][ T693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 651.047565][ T693] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 651.055610][ T693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 651.063556][ T693] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 651.079223][ T693] overlayfs: failed to get inode (-12) 23:37:19 executing program 4 (fault-call:7 fault-nth:10): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 651.133563][ T697] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 651.141794][ T697] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 651.160963][ T697] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5205e) [ 651.176326][ T697] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:19 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) setsockopt$sock_int(r1, 0x1, 0x5c, &(0x7f0000000040)=0x738, 0x4) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000100)=0x0) fcntl$setown(r0, 0x8, r3) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:19 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000fdffffff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 651.297874][ T709] FAULT_INJECTION: forcing a failure. [ 651.297874][ T709] name failslab, interval 1, probability 0, space 0, times 0 [ 651.311352][ T709] CPU: 1 PID: 709 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 651.318982][ T709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 651.319076][ T709] Call Trace: [ 651.319094][ T709] dump_stack+0x1fb/0x318 [ 651.319112][ T709] should_fail+0x555/0x770 [ 651.319129][ T709] __should_failslab+0x11a/0x160 [ 651.319147][ T709] ? mb_cache_entry_create+0x170/0x7a0 [ 651.336802][ T709] should_failslab+0x9/0x20 [ 651.336815][ T709] kmem_cache_alloc+0x56/0x2e0 [ 651.336825][ T709] ? __kasan_check_write+0x14/0x20 [ 651.336840][ T709] mb_cache_entry_create+0x170/0x7a0 [ 651.360828][ T709] ? __kasan_check_read+0x11/0x20 [ 651.371232][ T709] ? __ext4_xattr_check_block+0x26b/0x970 [ 651.371248][ T709] ext4_xattr_get+0x341/0x840 [ 651.371267][ T709] ext4_xattr_trusted_get+0x32/0x40 [ 651.371276][ T709] ? ext4_xattr_trusted_list+0x20/0x20 [ 651.371286][ T709] __vfs_getxattr+0x3b7/0x3f0 [ 651.371302][ T709] vfs_getxattr+0x221/0x260 [ 651.371316][ T709] ovl_getxattr+0x2d/0x180 [ 651.371326][ T709] ovl_get_redirect_xattr+0x6d/0x250 [ 651.371339][ T709] ovl_lookup+0x156d/0x1c70 [ 651.371351][ T709] ? ovl_lookup+0x4a0/0x1c70 [ 651.425206][ T709] ? __kasan_check_read+0x11/0x20 [ 651.430231][ T709] ? do_raw_spin_unlock+0x49/0x260 [ 651.435353][ T709] __lookup_hash+0x141/0x290 [ 651.439950][ T709] do_unlinkat+0x1b4/0x7a0 [ 651.444380][ T709] __x64_sys_unlink+0x49/0x50 [ 651.449057][ T709] do_syscall_64+0xf7/0x1c0 [ 651.453560][ T709] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.459450][ T709] RIP: 0033:0x45a219 [ 651.463333][ T709] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 651.482933][ T709] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 651.492992][ T709] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 651.500964][ T709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 651.508930][ T709] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 651.516898][ T709] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 651.524876][ T709] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x900}}, 0x1c) 23:37:20 executing program 4 (fault-call:7 fault-nth:11): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 651.607198][ T697] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 651.666994][ T697] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 651.687004][ T697] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f5205e) [ 651.697760][ T697] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:20 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="100af5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 651.844848][ T733] FAULT_INJECTION: forcing a failure. [ 651.844848][ T733] name failslab, interval 1, probability 0, space 0, times 0 [ 651.878453][ T733] CPU: 0 PID: 733 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 651.887767][ T733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 651.897823][ T733] Call Trace: [ 651.901123][ T733] dump_stack+0x1fb/0x318 [ 651.905464][ T733] should_fail+0x555/0x770 [ 651.909893][ T733] __should_failslab+0x11a/0x160 [ 651.914859][ T733] ? security_inode_alloc+0x36/0x1e0 [ 651.920148][ T733] should_failslab+0x9/0x20 [ 651.924650][ T733] kmem_cache_alloc+0x56/0x2e0 [ 651.929410][ T733] ? lockdep_init_map+0x2a/0x680 [ 651.934353][ T733] security_inode_alloc+0x36/0x1e0 [ 651.939468][ T733] inode_init_always+0x3b5/0x920 [ 651.944433][ T733] ? ovl_free_fs+0x670/0x670 [ 651.949044][ T733] iget5_locked+0xc9/0x3e0 [ 651.953449][ T733] ? ovl_get_trap_inode+0x1a0/0x1a0 [ 651.958714][ T733] ? ovl_lookup_inode+0x130/0x130 [ 651.963726][ T733] ovl_get_inode+0x3bb/0xb80 [ 651.968303][ T733] ovl_lookup+0x1674/0x1c70 [ 651.972783][ T733] ? ovl_lookup+0x4a0/0x1c70 [ 651.977377][ T733] __lookup_hash+0x141/0x290 [ 651.981959][ T733] do_unlinkat+0x1b4/0x7a0 [ 651.986379][ T733] __x64_sys_unlink+0x49/0x50 [ 651.991043][ T733] do_syscall_64+0xf7/0x1c0 [ 651.995528][ T733] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 652.001394][ T733] RIP: 0033:0x45a219 [ 652.005264][ T733] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 652.024859][ T733] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 652.033272][ T733] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 23:37:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 652.041242][ T733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 652.049208][ T733] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 652.057178][ T733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 652.065141][ T733] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 652.075014][ T733] overlayfs: failed to get inode (-12) 23:37:20 executing program 4 (fault-call:7 fault-nth:12): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 652.108574][ T739] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 652.116330][ T739] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:20 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000002000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:20 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x3ff, &(0x7f0000000000)) 23:37:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 652.162713][ T739] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f50a10) [ 652.183960][ T739] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:21 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1025f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:21 executing program 0: r0 = socket(0xa, 0x1, 0x0) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000400)='/dev/zero\x00', 0x40, 0x0) r2 = openat$cgroup_ro(r1, &(0x7f0000000080)='cpuacct.usage_sys\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x1}, &(0x7f0000000080)=0x8) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x14012, r4, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(r4, 0x84, 0x11, &(0x7f00000000c0)={r3, 0x10003}, &(0x7f0000000100)=0xffffffffffffff5a) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$FS_IOC_SET_ENCRYPTION_POLICY(r5, 0x800c6613, &(0x7f0000000140)=@v2={0x2, @aes128, 0x0, [], "876a9d5dfa443122e47ba70e8ec39489"}) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r6) r7 = socket(0x40000000015, 0x5, 0x0) close(r7) r8 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r8, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r8, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r9 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r9, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r9, 0x0) ioctl$UI_BEGIN_FF_UPLOAD(r9, 0xc06855c8, &(0x7f0000000380)={0x9, 0x9, {0x52, 0x6, 0x5, {0x2, 0xfff9}, {0x80, 0x81}, @const={0x5, {0x7, 0xf633, 0x4c, 0x4}}}, {0x52, 0x1, 0x4, {0x1, 0x1}, {0x81, 0x401}, @rumble={0xfff}}}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r8, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r7, 0x84, 0x66, &(0x7f0000000000)={r10}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r6, 0x84, 0x11, &(0x7f0000000140)={r10}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000240)={r10, 0xa4, &(0x7f0000000180)=[@in6={0xa, 0x4e21, 0x80000000, @loopback, 0x2}, @in={0x2, 0x4e22, @local}, @in6={0xa, 0x4e23, 0x1f, @rand_addr="a17d704cfdbd0fff6dce168a6b302c45", 0x1000}, @in={0x2, 0x4e23, @multicast1}, @in={0x2, 0x4e23, @multicast1}, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x11}}, @in6={0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x80}, @in={0x2, 0x4e20, @local}]}, &(0x7f0000000280)=0x10) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f00000002c0)={r11, @in6={{0xa, 0x4e24, 0x6, @rand_addr="b8fdcefdd0d3f16b38cddcc46fb7b0ce"}}, 0x7710}, 0x90) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 652.397722][ T752] FAULT_INJECTION: forcing a failure. [ 652.397722][ T752] name failslab, interval 1, probability 0, space 0, times 0 23:37:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xa00}}, 0x1c) [ 652.457680][ T752] CPU: 0 PID: 752 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 652.465341][ T752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 652.475403][ T752] Call Trace: [ 652.478695][ T752] dump_stack+0x1fb/0x318 [ 652.483028][ T752] should_fail+0x555/0x770 [ 652.487449][ T752] __should_failslab+0x11a/0x160 [ 652.492386][ T752] ? security_inode_alloc+0x36/0x1e0 [ 652.497676][ T752] should_failslab+0x9/0x20 [ 652.502183][ T752] kmem_cache_alloc+0x56/0x2e0 [ 652.506939][ T752] ? lockdep_init_map+0x2a/0x680 [ 652.511903][ T752] security_inode_alloc+0x36/0x1e0 [ 652.517011][ T752] inode_init_always+0x3b5/0x920 [ 652.521943][ T752] ? ovl_free_fs+0x670/0x670 [ 652.526531][ T752] iget5_locked+0xc9/0x3e0 [ 652.530939][ T752] ? ovl_get_trap_inode+0x1a0/0x1a0 [ 652.536133][ T752] ? ovl_lookup_inode+0x130/0x130 [ 652.541154][ T752] ovl_get_inode+0x3bb/0xb80 [ 652.545750][ T752] ovl_lookup+0x1674/0x1c70 [ 652.550252][ T752] ? ovl_lookup+0x4a0/0x1c70 [ 652.554865][ T752] __lookup_hash+0x141/0x290 [ 652.559459][ T752] do_unlinkat+0x1b4/0x7a0 [ 652.563887][ T752] __x64_sys_unlink+0x49/0x50 [ 652.568566][ T752] do_syscall_64+0xf7/0x1c0 [ 652.573070][ T752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 652.578959][ T752] RIP: 0033:0x45a219 [ 652.582892][ T752] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 652.602494][ T752] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 652.610901][ T752] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 652.618865][ T752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 [ 652.626831][ T752] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 652.634807][ T752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 652.642771][ T752] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 652.664446][ T752] overlayfs: failed to get inode (-12) [ 652.666933][ T765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 652.716374][ T765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 652.742981][ T765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52510) 23:37:21 executing program 4 (fault-call:7 fault-nth:13): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:21 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000003000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 652.785671][ T765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 652.904530][ T765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 652.928070][ T765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 652.957292][ T765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52510) [ 652.980797][ T765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 653.010546][ T793] overlayfs: missing 'lowerdir' 23:37:21 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1029f5f20100070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:21 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000004000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 653.227739][ T800] FAULT_INJECTION: forcing a failure. [ 653.227739][ T800] name failslab, interval 1, probability 0, space 0, times 0 [ 653.245958][ T800] CPU: 0 PID: 800 Comm: syz-executor.4 Not tainted 5.4.0-rc7 #0 [ 653.253617][ T800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 653.263674][ T800] Call Trace: [ 653.266958][ T800] dump_stack+0x1fb/0x318 [ 653.271334][ T800] should_fail+0x555/0x770 [ 653.275760][ T800] __should_failslab+0x11a/0x160 [ 653.275777][ T800] should_failslab+0x9/0x20 [ 653.275789][ T800] kmem_cache_alloc_trace+0x5d/0x2f0 [ 653.275798][ T800] ? smack_d_instantiate+0x732/0xd70 [ 653.275815][ T800] smack_d_instantiate+0x732/0xd70 [ 653.300851][ T800] security_d_instantiate+0xa5/0x100 [ 653.302674][ T802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 653.306131][ T800] d_splice_alias+0x74/0x610 [ 653.306141][ T800] ? trace_kfree+0xb2/0x110 [ 653.306153][ T800] ? ovl_lookup+0x177e/0x1c70 [ 653.306166][ T800] ovl_lookup+0x1789/0x1c70 [ 653.306181][ T800] ? ovl_lookup+0x4a0/0x1c70 [ 653.328469][ T802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 653.332096][ T800] __lookup_hash+0x141/0x290 [ 653.332111][ T800] do_unlinkat+0x1b4/0x7a0 [ 653.332133][ T800] __x64_sys_unlink+0x49/0x50 [ 653.332144][ T800] do_syscall_64+0xf7/0x1c0 [ 653.332159][ T800] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 653.354154][ T802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52910) [ 653.354689][ T800] RIP: 0033:0x45a219 [ 653.354699][ T800] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 653.354704][ T800] RSP: 002b:00007fefac600c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 653.354715][ T800] RAX: ffffffffffffffda RBX: 00007fefac600c90 RCX: 000000000045a219 [ 653.354721][ T800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 23:37:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000005000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 653.354726][ T800] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 653.354733][ T800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fefac6016d4 [ 653.354738][ T800] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 653.507622][ T802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:22 executing program 4 (fault-call:7 fault-nth:14): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:22 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe00}}, 0x1c) [ 653.612161][ T821] overlayfs: missing 'lowerdir' 23:37:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000006000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 653.769575][ T802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 653.812173][ T832] overlayfs: failed to resolve './file1': -2 [ 653.820616][ T802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 653.871425][ T802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0xf2f52910) [ 653.878964][ T837] overlayfs: missing 'lowerdir' 23:37:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 653.919798][ T802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:22 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000007000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:22 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20200070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 654.077597][ T849] overlayfs: missing 'lowerdir' 23:37:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 654.201686][ T860] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 654.228241][ T860] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000008000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 654.271532][ T860] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 654.292338][ T865] overlayfs: missing 'lowerdir' [ 654.300108][ T860] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[]) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$TCSETXF(r1, 0x5434, &(0x7f0000000340)={0x9, 0x9, [0x1000, 0x5, 0x2, 0x4, 0x3], 0x282}) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000500)='/dev/nullb0\x00', 0x0, 0x0) mmap(&(0x7f0000ffa000/0x3000)=nil, 0x1dc51000, 0x0, 0x2012, r2, 0x0) r3 = syz_open_dev$cec(&(0x7f0000000380)='/dev/cec#\x00', 0x0, 0x2) write$USERIO_CMD_SEND_INTERRUPT(r3, &(0x7f00000003c0)={0x2, 0x3f}, 0x2) r4 = openat$cgroup(r0, &(0x7f00000002c0)='syz1\x00', 0x200002, 0x0) ioctl$EXT4_IOC_GROUP_ADD(r4, 0x40286608, &(0x7f0000000300)={0xd86, 0xde, 0x6, 0x1ff, 0x7958, 0x1}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 654.475034][ T873] overlayfs: missing 'lowerdir' 23:37:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xf00}}, 0x1c) 23:37:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:23 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20300070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 654.602686][ T881] overlayfs: missing 'lowerdir' [ 654.667140][ T892] overlayfs: missing 'lowerdir' [ 654.675401][ T888] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 654.690040][ T888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000009000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 654.725212][ T888] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 654.745585][ T888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 654.874111][ T900] overlayfs: missing 'lowerdir' 23:37:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 654.925668][ T888] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 654.964483][ T888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 655.022310][ T888] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 655.044145][ T888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:23 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20400070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 655.102550][ T912] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 655.123805][ T912] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:37:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000a000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 655.343565][ T923] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 655.353841][ T917] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 655.374698][ T917] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1f00}}, 0x1c) [ 655.413429][ T917] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 655.440465][ T923] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 655.452312][ T917] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 655.599614][ T917] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 655.635117][ T917] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 655.684336][ T917] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 655.720024][ T917] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 655.771184][ T948] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 655.821485][ T948] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:37:24 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000b000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:24 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20a00070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 656.025970][ T958] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 656.056592][ T963] overlayfs: unrecognized mount option "upper" or missing value [ 656.080020][ T958] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 656.122415][ T958] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:24 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) socket$inet_udplite(0x2, 0x2, 0x88) unshare(0x2000400) socket$caif_seqpacket(0x25, 0x5, 0x0) syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') pipe(&(0x7f0000000080)) pselect6(0x40, &(0x7f00000000c0)={0x3}, 0x0, &(0x7f0000000140)={0x1b9}, 0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 656.167720][ T958] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000c000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 656.293230][ T958] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1fff}}, 0x1c) [ 656.357200][ T958] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 656.377100][ T977] overlayfs: unrecognized mount option "upper" or missing value [ 656.409372][ T958] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 656.454859][ T986] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 656.461216][ T958] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:25 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20b00070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000d000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 656.563620][ T995] overlayfs: unrecognized mount option "upper" or missing value 23:37:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 656.756318][ T1003] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 656.788116][ T1003] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:25 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r1}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="f62bf545681eb023e28cb45999a7f492411d878e2115bcc31b24d9c7c6ec97e26ddf50dabcc5b991be5b1422b8586a233d86e92f7d259a038dee870ab4802d52ee85528443185ad5988ef0b7c04d97e13a10d8d458c3874db89a1a1e14e08da385b85fe26ecff896eb62b643e2e12042cf2b3f94fbed140a9a9666a3acc6d2214204245dd8b8e2e4cecfa8"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 656.801489][ T1009] overlayfs: workdir and upperdir must be separate subtrees [ 656.823796][ T1003] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000e000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 656.882949][ T1003] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 656.898651][ T1014] overlayfs: unrecognized mount option "ö+õEh°#⌴Y™§ô’A‡Ž!¼Ã$ÙÇÆì—âmßPڼŹ‘¾["¸Xj#=†é/}%šî‡ [ 656.898651][ T1014] ´€-Rî…R„CZÕ˜Žð·ÀM—á:ØÔXÇM¸šࣅ¸_ânÏø–ëb¶Câá BÏ+?”ûí [ 656.898651][ T1014] š–f£¬ÆÒ!B$]ظâäÎϨ¬ô 2䵊'%Vaý{ù RtÌ\)Š2Oâ}¢©ÕºŸóÀ Ó½sôw%9" or missing value [ 656.987218][ T1003] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 656.990808][ T1020] overlayfs: workdir and upperdir must be separate subtrees [ 657.014529][ T1003] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 657.049561][ T1022] overlayfs: unrecognized mount option "ö+õEh°#⌴Y™§ô’A‡Ž!¼Ã$ÙÇÆì—âmßPڼŹ‘¾["¸Xj#=†é/}%šî‡ [ 657.049561][ T1022] ´€-Rî…R„CZÕ˜Žð·ÀM—á:ØÔXÇM¸šࣅ¸_ânÏø–ëb¶Câá BÏ+?”ûí [ 657.049561][ T1022] š–f£¬ÆÒ!B$]ظâäÎϨ¬ô 2䵊'%Vaý{ù RtÌ\)Š2Oâ}¢©ÕºŸóÀ Ó½sôw%9" or missing value [ 657.054118][ T1003] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 657.171408][ T1003] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') clock_gettime(0x4, &(0x7f0000000100)) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:26 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20d00070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 657.261995][ T1035] overlayfs: workdir and upperdir must be separate subtrees 23:37:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x2000}}, 0x1c) 23:37:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000010000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 657.407038][ T1045] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 657.415551][ T1045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 657.424532][ T1045] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 657.431912][ T1045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 657.463117][ T1039] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 657.544699][ T1057] overlayfs: failed to resolve './fil': -2 23:37:26 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20f00070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000100)='./bus/file0\x00', 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = add_key$user(&(0x7f00000000c0), &(0x7f0000000040)={'syz', 0x2}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0xba, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r3 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) r5 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r6 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r6, r5, r6}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) keyctl$dh_compute(0x17, &(0x7f0000000140)={r4, r3, r6}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f00000002c0)={&(0x7f0000000080)={'sha224-generic\x00'}}) r7 = gettid() ptrace$setopts(0x4206, r7, 0x0, 0x0) tkill(r7, 0x3c) ptrace$cont(0x18, r7, 0x0, 0x0) r8 = gettid() ptrace$setopts(0x4206, r8, 0x0, 0x0) tkill(r8, 0x3c) ptrace$cont(0x18, r8, 0x0, 0x0) ptrace$setregs(0xd, r8, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r8, 0x0, 0x0) ptrace$setregs(0x15, r8, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r7, 0x0, 0x0) getpgrp(r7) write$FUSE_LK(r0, &(0x7f0000000580)={0x28, 0xfffffffffffffff5, 0x6, {{0x2, 0xa89, 0x2, r7}}}, 0x2d6) mount$overlay(0x400000, &(0x7f0000000140)='./bus\x00', &(0x7f0000000400)='olaW\x00', 0x8, &(0x7f00000007c0)=ANY=[@ANYRESOCT=r1, @ANYRES32, @ANYRES16=0x0, @ANYRESDEC, @ANYRES16=r2, @ANYPTR=&(0x7f0000000280)=ANY=[@ANYRES64=r4, @ANYRES32, @ANYRESDEC=0x0], @ANYRES64, @ANYBLOB="ada30d069ab4cad3c421d7453797b2557582b67639cfb8f3ac5c368dc5473fc7c1dd94a723a1704e4f19b96fc847d853866793c7cdaa095ca4f30add50ddaf87c22ffdb1eeb428351454f629d548936108099fc0ffcf9cbefd7796a04e46db0ded9f1bd71255fa28fc612fbbe6ca0a43b66637aaaf9181b85d5de4c55ffe68beaf5912d626", @ANYBLOB="eb653b9fa6ed18e00bd56c970cd134d37670226564bd291209bac84d6a66718488413ec07171266e3f090032109a0559ec501bcf2bc22cd7db9ca0645e4678cb94bcdd16f65aff19ca8f7f395cd55c70f03268b44dccf21d56e4fa7483a2fa428326b923529d738e92f9e0656c46ddc06f9dfb211baeda0e54c30624bb0df7794fb5d6db0640f10ce2476777d49994fbc00553763ea9011b3f356da1687f82d10743614f155b4a3ad0350c27f373abbf690ef2e6e6cdc9e3bec8f0daeb1fba89d87d7ec0b88c"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vsock\x00', 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vsock\x00', 0x400000, 0x0) ioctl$TCSBRK(r1, 0x5409, 0x3) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) fsconfig$FSCONFIG_SET_PATH_EMPTY(r2, 0x4, &(0x7f00000002c0)='/dev/vsock\x00', &(0x7f0000000340)='./bus/file2\x00', r3) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='loserdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 657.776231][ T1078] overlayfs: failed to resolve './fil': -2 23:37:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000011000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 657.817538][ T1066] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 657.843671][ T1066] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 657.867470][ T1083] Unknown ioctl 43780 [ 657.891190][ T1066] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 657.948862][ T1066] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 657.964403][ T1092] overlayfs: failed to resolve './fil': -2 23:37:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:26 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f21400070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000012000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 658.136477][ T1100] overlayfs: failed to resolve './file': -2 [ 658.213733][ T1104] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 658.245284][ T1104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x2c01}}, 0x1c) 23:37:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 658.274682][ T1104] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:27 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000025000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 658.324060][ T1104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 658.374529][ T1116] overlayfs: failed to resolve './file': -2 23:37:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 658.454146][ T1104] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 658.472361][ T1104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 658.508465][ T1104] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 658.515337][ T1104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:27 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f26400070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) [ 658.611873][ T1129] overlayfs: failed to resolve './file': -2 [ 658.764822][ T1137] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 658.786215][ T1137] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 658.805770][ T1137] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:27 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000200)='./bus/file1\x00', 0x102) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000100)='./bus\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469b17c2e2f6275712c776f726b6469723d2e2f66696c65312c757070657264e177fdb56530"]) ioctl$sock_inet_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, &(0x7f0000000140)) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:27 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000048000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) [ 658.831620][ T1137] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 658.925363][ T1137] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 658.938083][ T1137] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:27 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000004c000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 658.999809][ T1137] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 659.031651][ T1137] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) 23:37:27 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f28b03070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 659.165750][ T1161] overlayfs: unrecognized mount option "lowerdi±|./buq" or missing value 23:37:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3f00}}, 0x1c) [ 659.210994][ T1163] overlayfs: unrecognized mount option "lowerdi±|./buq" or missing value [ 659.305755][ T1172] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 659.331488][ T1172] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000005c000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:28 executing program 1: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r1, 0x4008af23, &(0x7f0000000040)={0x2, 0x7}) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000100)=0x1, 0x4) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 659.373430][ T1172] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 659.391768][ T1172] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.stat\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) sendmsg$TIPC_NL_MON_PEER_GET(r0, &(0x7f0000000540)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000487}, 0xc, &(0x7f0000000500)={&(0x7f0000000440)={0xbc, 0x0, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@TIPC_NLA_BEARER={0xa8, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x14, 0x1, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x26}}}, {0x20, 0x2, @in6={0xa, 0x4e24, 0x80, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x15}}, 0x401}}}}, @TIPC_NLA_BEARER_UDP_OPTS={0x38, 0x4, {{0x14, 0x1, @in={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x19}}}, {0x20, 0x2, @in6={0xa, 0x4e23, 0x5, @dev={0xfe, 0x80, [], 0x23}, 0x3ff}}}}, @TIPC_NLA_BEARER_PROP={0x2c, 0x2, [@TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x6}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x4}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x14}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x5}]}, @TIPC_NLA_BEARER_DOMAIN={0x8, 0x3, 0xff}]}]}, 0xbc}, 0x1, 0x0, 0x0, 0x48814}, 0x20) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000100)={r3, 0x1, 0x4, @dev={[], 0x13}}, 0x67) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000080)={r3, 0x1, 0x6, @broadcast}, 0x17) r4 = socket(0x100000000011, 0x2, 0x0) bind(r4, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) ioctl$TIOCSISO7816(0xffffffffffffffff, 0xc0285443, &(0x7f00000002c0)={0x8, 0x9, 0x6, 0x8, 0x5}) getsockname$packet(r4, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r2, 0x107, 0x2, &(0x7f0000000000)={r5, 0x1, 0x2, @remote}, 0x10) bind$bt_hci(r1, &(0x7f0000000100)={0x1f, r5, 0x2}, 0xc) r6 = socket$inet_sctp(0x2, 0x7, 0x84) getsockopt$inet_int(r6, 0x0, 0x6, &(0x7f0000000340), &(0x7f0000000380)=0x4) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6234f93fa56ff9ff64690334000000000000312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 659.488883][ T1172] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 659.534644][ T1172] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000068000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 659.598162][ T1172] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 659.611780][ T1172] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:28 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f29003070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 659.793993][ T1207] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 659.847042][ T1207] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 659.908239][ T1207] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 659.917460][ T1207] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000006c000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 660.030612][ T1207] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 660.049946][ T1207] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000074000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 660.095270][ T1207] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 660.108137][ T1207] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3fff}}, 0x1c) 23:37:28 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f29103070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 660.397570][ T1231] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 660.417736][ T1231] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000007a000001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 660.463785][ T1231] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 660.495812][ T1231] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:29 executing program 1: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r1, 0x4008af23, &(0x7f0000000040)={0x2, 0x7}) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000100)=0x1, 0x4) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 660.635105][ T1231] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 660.698037][ T1231] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 660.716653][ T1231] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:29 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f29c03070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 660.746562][ T1231] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000004020001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 660.927658][ T1263] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 660.988384][ T1263] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 661.005842][ T1263] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:29 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f6607e5b64e"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 661.039839][ T1263] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000030001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x4000}}, 0x1c) [ 661.132927][ T1273] overlayfs: failed to resolve './få¶N': -2 [ 661.180307][ T1273] overlayfs: failed to resolve './få¶N': -2 [ 661.277464][ T1263] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6d6f7765726469723d2e2f6275732c776f726b6469723d2e2f663d36e4d32c7570706572646908002e2f66696c65309b8e8352b6243232f129f6689e53cec338a5a65816b8ffdfd4a86a684ebeb4b875d4a2080e0b2bea4f47"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 661.330911][ T1263] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:30 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000002040001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 661.394245][ T1263] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 661.423772][ T1263] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 661.458539][ T1292] overlayfs: unrecognized mount option "mowerdir=./bus" or missing value [ 661.504964][ T1292] overlayfs: unrecognized mount option "mowerdir=./bus" or missing value 23:37:30 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f29d03070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:30 executing program 4: mkdir(&(0x7f0000000140)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000240)='./file0\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYRES16=r1]) setsockopt$inet_sctp6_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000100)=0x8, 0x4) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 661.717564][ T1302] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 661.746588][ T1302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:30 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000006040001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:30 executing program 1: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r1, 0x4008af23, &(0x7f0000000040)={0x2, 0x7}) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r0, 0x84, 0xc, &(0x7f0000000100)=0x1, 0x4) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 661.763318][ T1305] overlayfs: unrecognized mount option "øC" or missing value [ 661.771175][ T1302] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 661.787550][ T1302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file1\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 661.854670][ T1311] overlayfs: unrecognized mount option "øC" or missing value 23:37:30 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2f203070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:30 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000050001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 662.062896][ T1324] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 662.085798][ T1321] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 662.091791][ T1324] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x4400}}, 0x1c) [ 662.110515][ T1324] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 662.117573][ T1324] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) sync_file_range(0xffffffffffffffff, 0x40, 0x7fff, 0x4) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) mount$overlay(0x0, &(0x7f0000000600)='./bus\x00', &(0x7f0000000640)='overlay\x00', 0x10000, &(0x7f0000000680)={[{@xino_off='xino=off'}, {@nfs_export_on='nfs_export=on'}, {@workdir={'workdir', 0x3d, './bus'}}, {@xino_on='xino=on'}, {@xino_auto='xino=auto'}], [{@obj_role={'obj_role', 0x3d, 'TIPCv2\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@subj_type={'subj_type', 0x3d, '$GPL$'}}, {@subj_role={'subj_role', 0x3d, 'eth\x00'}}, {@mask={'mask', 0x3d, 'MAY_APPEND'}}]}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) getsockopt$inet6_tcp_int(r2, 0x6, 0x926f250b9d8f4261, &(0x7f0000000340), &(0x7f00000003c0)=0x4) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000380)='TIPCv2\x00') sendmsg$TIPC_NL_MON_PEER_GET(r4, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000480)={0x14, r5, 0x701, 0x0, 0x0, {0x7, 0x0, 0xfffffffffffff000}}, 0x14}}, 0x0) sendmsg$TIPC_NL_NET_GET(r3, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f0000000440)={0x120, r5, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@TIPC_NLA_NET={0x50, 0x7, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x40}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x8}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x8}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x400}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x8}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x7}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x9}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x79}]}, @TIPC_NLA_MEDIA={0x98, 0x5, [@TIPC_NLA_MEDIA_PROP={0x34, 0x2, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x18}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1c}, @TIPC_NLA_PROP_WIN={0x8}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x18}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1b}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0xed}]}, @TIPC_NLA_MEDIA_PROP={0x3c, 0x2, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1b}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0xffff}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfffffff7}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x5}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x9}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x20}]}]}, @TIPC_NLA_LINK={0x10, 0x4, [@TIPC_NLA_LINK_NAME={0xc, 0x1, 'syz0\x00'}]}, @TIPC_NLA_NET={0xc, 0x7, [@TIPC_NLA_NET_ADDR={0x8, 0x2, 0x3}]}, @TIPC_NLA_NODE={0x8, 0x6, [@TIPC_NLA_NODE_UP={0x4}]}]}, 0x120}, 0x1, 0x0, 0x0, 0x8002}, 0x4001) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 662.192719][ T1324] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 662.236198][ T1324] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:31 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000060001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 662.278446][ T1324] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 662.313094][ T1324] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:31 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2f303070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x10) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) r3 = getgid() getresuid(&(0x7f0000000340)=0x0, &(0x7f0000000380), &(0x7f00000003c0)) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) getsockopt$inet_IP_XFRM_POLICY(r5, 0x0, 0x11, &(0x7f0000000440)={{{@in, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in=@loopback}}, &(0x7f0000000540)=0xe8) mount$fuse(0x0, &(0x7f0000000140)='./bus/file1\x00', &(0x7f00000002c0)='fuse\x00', 0x850, &(0x7f0000000580)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x1000}, 0x2c, {'user_id', 0x3d, r2}, 0x2c, {'group_id', 0x3d, r3}, 0x2c, {[{@default_permissions='default_permissions'}, {@blksize={'blksize', 0x3d, 0x400}}, {@max_read={'max_read', 0x3d, 0x400}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@allow_other='allow_other'}, {@default_permissions='default_permissions'}], [{@obj_role={'obj_role', 0x3d, 'overlay\x00'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}, {@euid_gt={'euid>', r4}}, {@euid_eq={'euid', 0x3d, r6}}]}}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r7, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r7, 0x0) socket$isdn_base(0x22, 0x3, 0x0) inotify_add_watch(r7, &(0x7f0000000100)='./bus/file1\x00', 0x8) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 662.581688][ T1361] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:31 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000004060001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 662.622803][ T1361] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 662.648154][ T1361] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 662.680399][ T1361] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 662.842508][ T1361] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 662.874365][ T1361] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 662.924978][ T1361] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 662.950447][ T1361] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:31 executing program 1 (fault-call:6 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:31 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000070001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x6806}}, 0x1c) 23:37:31 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2f403070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 663.208363][ T1392] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 663.247935][ T1392] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 663.271618][ T1392] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 663.328150][ T1392] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000090001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:32 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2008c070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 663.532738][ T1403] FAULT_INJECTION: forcing a failure. [ 663.532738][ T1403] name failslab, interval 1, probability 0, space 0, times 0 23:37:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000a0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 663.587391][ T1403] CPU: 1 PID: 1403 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 663.595172][ T1403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 663.606188][ T1403] Call Trace: [ 663.609488][ T1403] dump_stack+0x1fb/0x318 [ 663.613833][ T1403] should_fail+0x555/0x770 [ 663.618257][ T1403] __should_failslab+0x11a/0x160 [ 663.623203][ T1403] ? getname_flags+0xba/0x640 [ 663.627884][ T1403] should_failslab+0x9/0x20 [ 663.632385][ T1403] kmem_cache_alloc+0x56/0x2e0 23:37:32 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl\x00', 0x20021, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workeir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:32 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl$DRM_IOCTL_GEM_OPEN(0xffffffffffffffff, 0xc010640b, &(0x7f0000000040)={0x0, 0x0, 0x9}) r2 = open(&(0x7f0000000080)='./file0\x00', 0x474483, 0x20) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f00000000c0)={r1, 0x80000, r2}) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 663.637147][ T1403] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 663.642868][ T1403] getname_flags+0xba/0x640 [ 663.647371][ T1403] ? do_syscall_64+0x1d/0x1c0 [ 663.652055][ T1403] __x64_sys_unlink+0x3c/0x50 [ 663.656730][ T1403] do_syscall_64+0xf7/0x1c0 [ 663.661242][ T1403] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 663.667127][ T1403] RIP: 0033:0x45a219 [ 663.671034][ T1403] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 663.690642][ T1403] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 663.699263][ T1403] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 663.707237][ T1403] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 663.715215][ T1403] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 663.723181][ T1403] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 663.723188][ T1403] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:32 executing program 1 (fault-call:6 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 663.760881][ T1411] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 663.769150][ T1411] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 663.792401][ T1411] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 663.811195][ T1411] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 663.851349][ T1423] overlayfs: unrecognized mount option "workeir=./file1" or missing value 23:37:32 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040)={0x9, 0x40, 0x3, 0x5, 0xe9, 0x8, 0xde, 0x66, 0xff, 0x0, 0x3f}, 0xb) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) r3 = socket(0x40000000015, 0x5, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) r5 = openat$full(0xffffffffffffff9c, &(0x7f0000000100)='/dev/full\x00', 0x305000, 0x0) ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r5, 0x5386, &(0x7f00000001c0)) connect$inet6(r4, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x11, &(0x7f0000000140)={r6}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f00000000c0)={0x4, 0x0, 0x10000, 0x0, 0x1, 0x1, 0x0, 0x4, r6}, 0x20) openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0, 0x50) 23:37:32 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='\x00', 0x1) creat(&(0x7f0000000040)='./bus/file0\x00', 0x80) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x5054000, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c757070789bd326e1ac46e7bedd7e79d29d721065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 663.900244][ T1427] overlayfs: unrecognized mount option "workeir=./file1" or missing value 23:37:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000b0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 663.981137][ T1411] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7f00}}, 0x1c) [ 664.028801][ T1411] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 664.048086][ T1411] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 664.095245][ T1436] FAULT_INJECTION: forcing a failure. [ 664.095245][ T1436] name failslab, interval 1, probability 0, space 0, times 0 [ 664.099608][ T1411] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 664.155976][ T1436] CPU: 0 PID: 1436 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 664.163753][ T1436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 664.173813][ T1436] Call Trace: [ 664.177111][ T1436] dump_stack+0x1fb/0x318 [ 664.181460][ T1436] should_fail+0x555/0x770 [ 664.185878][ T1436] __should_failslab+0x11a/0x160 [ 664.190809][ T1436] ? __d_alloc+0x2d/0x6e0 [ 664.195120][ T1436] should_failslab+0x9/0x20 [ 664.199599][ T1436] kmem_cache_alloc+0x56/0x2e0 [ 664.204338][ T1436] __d_alloc+0x2d/0x6e0 [ 664.208489][ T1436] d_alloc+0x4e/0x1d0 [ 664.212472][ T1436] __lookup_hash+0xe5/0x290 [ 664.216982][ T1436] do_unlinkat+0x1b4/0x7a0 [ 664.221426][ T1436] __x64_sys_unlink+0x49/0x50 [ 664.226111][ T1436] do_syscall_64+0xf7/0x1c0 [ 664.230619][ T1436] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 664.236511][ T1436] RIP: 0033:0x45a219 [ 664.240492][ T1436] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 664.260099][ T1436] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 664.268515][ T1436] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 664.276510][ T1436] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 664.284487][ T1436] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 664.292460][ T1436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 23:37:32 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$KVM_GET_NR_MMU_PAGES(r0, 0xae45, 0xbd) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:33 executing program 1 (fault-call:6 fault-nth:2): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 664.300461][ T1436] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:33 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100030009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 664.537640][ T1463] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 664.569230][ T1463] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:33 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 664.596998][ T1463] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 664.621857][ T1463] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:33 executing program 0: socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) [ 664.682286][ T1467] FAULT_INJECTION: forcing a failure. [ 664.682286][ T1467] name failslab, interval 1, probability 0, space 0, times 0 [ 664.698219][ T1467] CPU: 1 PID: 1467 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 664.705957][ T1467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 664.716009][ T1467] Call Trace: [ 664.719330][ T1467] dump_stack+0x1fb/0x318 [ 664.723662][ T1467] should_fail+0x555/0x770 [ 664.728090][ T1467] __should_failslab+0x11a/0x160 [ 664.733028][ T1467] ? __d_alloc+0x2d/0x6e0 [ 664.737361][ T1467] should_failslab+0x9/0x20 [ 664.741867][ T1467] kmem_cache_alloc+0x56/0x2e0 [ 664.746626][ T1467] ? __lock_acquire+0xc75/0x1be0 [ 664.751597][ T1467] __d_alloc+0x2d/0x6e0 [ 664.755752][ T1467] d_alloc_parallel+0x7f/0x1430 [ 664.760599][ T1467] ? memset+0x31/0x40 [ 664.764573][ T1467] ? lockdep_init_map+0x2a/0x680 [ 664.769513][ T1467] __lookup_slow+0xa7/0x380 [ 664.774038][ T1467] lookup_one_len_unlocked+0xe0/0x1d0 [ 664.779413][ T1467] ovl_lookup_single+0x67/0x8b0 [ 664.784270][ T1467] ovl_lookup_layer+0x3ad/0x470 [ 664.789121][ T1467] ? __kasan_check_write+0x14/0x20 [ 664.794236][ T1467] ovl_lookup+0x393/0x1c70 [ 664.798674][ T1467] ? __kasan_check_read+0x11/0x20 [ 664.803694][ T1467] ? do_raw_spin_unlock+0x49/0x260 [ 664.808807][ T1467] __lookup_hash+0x141/0x290 [ 664.813398][ T1467] do_unlinkat+0x1b4/0x7a0 [ 664.817826][ T1467] __x64_sys_unlink+0x49/0x50 [ 664.822497][ T1467] do_syscall_64+0xf7/0x1c0 [ 664.826998][ T1467] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 664.832892][ T1467] RIP: 0033:0x45a219 [ 664.836784][ T1467] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 664.856380][ T1467] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 664.864794][ T1467] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 664.872854][ T1467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 23:37:33 executing program 1 (fault-call:6 fault-nth:3): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 664.880821][ T1467] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 664.888784][ T1467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 664.896747][ T1467] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x80fe}}, 0x1c) [ 665.009065][ T1463] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 665.028112][ T1463] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:33 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) setxattr$security_selinux(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='security.selinux\x00', &(0x7f00000000c0)='system_u:object_r:restorecond_exec_t:s0\x00', 0x28, 0x1) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 665.105352][ T1463] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 665.164843][ T1463] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 665.191555][ T1489] FAULT_INJECTION: forcing a failure. [ 665.191555][ T1489] name failslab, interval 1, probability 0, space 0, times 0 [ 665.217918][ T1489] CPU: 0 PID: 1489 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 665.225663][ T1489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.235713][ T1489] Call Trace: [ 665.239004][ T1489] dump_stack+0x1fb/0x318 [ 665.243337][ T1489] should_fail+0x555/0x770 [ 665.247754][ T1489] __should_failslab+0x11a/0x160 [ 665.252689][ T1489] ? __d_alloc+0x2d/0x6e0 [ 665.257014][ T1489] should_failslab+0x9/0x20 [ 665.261520][ T1489] kmem_cache_alloc+0x56/0x2e0 23:37:34 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r3 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r4, r3, r4}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) write$binfmt_script(r0, &(0x7f0000000540)=ANY=[], 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$SIOCAX25GETINFO(r0, 0x89ed, &(0x7f0000000100)) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) ioctl$SIOCX25CALLACCPTAPPRV(r5, 0x89e8) [ 665.266287][ T1489] ? __lock_acquire+0xc75/0x1be0 [ 665.271233][ T1489] __d_alloc+0x2d/0x6e0 [ 665.275388][ T1489] d_alloc_parallel+0x7f/0x1430 [ 665.280239][ T1489] ? memset+0x31/0x40 [ 665.284210][ T1489] ? lockdep_init_map+0x2a/0x680 [ 665.289139][ T1489] __lookup_slow+0xa7/0x380 [ 665.294029][ T1489] lookup_one_len_unlocked+0xe0/0x1d0 [ 665.299379][ T1489] ovl_lookup_single+0x67/0x8b0 [ 665.304205][ T1489] ovl_lookup_layer+0x3ad/0x470 [ 665.309042][ T1489] ? __kasan_check_write+0x14/0x20 [ 665.314138][ T1489] ovl_lookup+0x393/0x1c70 [ 665.318541][ T1489] ? __kasan_check_read+0x11/0x20 [ 665.323662][ T1489] ? do_raw_spin_unlock+0x49/0x260 [ 665.328770][ T1489] __lookup_hash+0x141/0x290 [ 665.333339][ T1489] do_unlinkat+0x1b4/0x7a0 [ 665.337749][ T1489] __x64_sys_unlink+0x49/0x50 [ 665.342410][ T1489] do_syscall_64+0xf7/0x1c0 [ 665.346914][ T1489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 665.352784][ T1489] RIP: 0033:0x45a219 [ 665.356651][ T1489] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 665.376235][ T1489] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 665.384628][ T1489] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 665.392587][ T1489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 665.400577][ T1489] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 665.408529][ T1489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 23:37:34 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x6a, &(0x7f0000000000)) 23:37:34 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100060009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:34 executing program 1 (fault-call:6 fault-nth:4): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 665.416513][ T1489] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:34 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000d0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 665.614908][ T1505] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 665.635629][ T1511] FAULT_INJECTION: forcing a failure. [ 665.635629][ T1511] name failslab, interval 1, probability 0, space 0, times 0 [ 665.648716][ T1511] CPU: 0 PID: 1511 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 665.653784][ T1505] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) ioctl$VIDIOC_G_MODULATOR(0xffffffffffffffff, 0xc0445636, &(0x7f0000000100)={0xffff, "4cfabf1dcd667fb72a5fb9982418ed94f37286d7a297b70b50a27cbd145fdbd7", 0x80, 0x0, 0x1, 0x8, 0x2}) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) mmap$perf(&(0x7f0000ff5000/0xa000)=nil, 0xa000, 0x8, 0x10, r0, 0x9) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 665.656426][ T1511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 665.656431][ T1511] Call Trace: [ 665.656448][ T1511] dump_stack+0x1fb/0x318 [ 665.656470][ T1511] should_fail+0x555/0x770 [ 665.671023][ T1505] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 665.674677][ T1511] __should_failslab+0x11a/0x160 [ 665.674692][ T1511] should_failslab+0x9/0x20 [ 665.674703][ T1511] kmem_cache_alloc_trace+0x5d/0x2f0 [ 665.674718][ T1511] ? ovl_encode_real_fh+0x87/0x380 [ 665.674731][ T1511] ovl_encode_real_fh+0x87/0x380 [ 665.681879][ T1505] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 665.682345][ T1511] ? ovl_lookup_layer+0x3ad/0x470 [ 665.731197][ T1511] ovl_lookup_index+0x6b/0x6c0 [ 665.735944][ T1511] ovl_lookup+0x129f/0x1c70 [ 665.740425][ T1511] ? ovl_lookup+0x4a0/0x1c70 [ 665.744995][ T1511] ? __kasan_check_read+0x11/0x20 [ 665.749992][ T1511] ? do_raw_spin_unlock+0x49/0x260 [ 665.755095][ T1511] __lookup_hash+0x141/0x290 [ 665.759661][ T1511] do_unlinkat+0x1b4/0x7a0 [ 665.764059][ T1511] __x64_sys_unlink+0x49/0x50 [ 665.768712][ T1511] do_syscall_64+0xf7/0x1c0 [ 665.773198][ T1511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 665.779063][ T1511] RIP: 0033:0x45a219 [ 665.782932][ T1511] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 665.802510][ T1511] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:34 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f0000000080)={'hwsim0\x00', &(0x7f0000000040)=@ethtool_channels={0x3c, 0x20, 0x10000, 0x2, 0x9, 0x1000, 0x3ff, 0x1ff, 0x401}}) 23:37:34 executing program 1 (fault-call:6 fault-nth:5): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 665.810896][ T1511] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 665.818842][ T1511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 665.826788][ T1511] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 665.834737][ T1511] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 665.842694][ T1511] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:34 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xbcff}}, 0x1c) [ 665.994281][ T1505] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 666.009001][ T1505] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 666.047630][ T1535] FAULT_INJECTION: forcing a failure. [ 666.047630][ T1535] name failslab, interval 1, probability 0, space 0, times 0 [ 666.055908][ T1505] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 666.088081][ T1505] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 666.118191][ T1535] CPU: 0 PID: 1535 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 666.125932][ T1535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.135991][ T1535] Call Trace: [ 666.139283][ T1535] dump_stack+0x1fb/0x318 [ 666.143616][ T1535] should_fail+0x555/0x770 [ 666.148037][ T1535] __should_failslab+0x11a/0x160 [ 666.152975][ T1535] should_failslab+0x9/0x20 [ 666.157484][ T1535] kmem_cache_alloc_trace+0x5d/0x2f0 [ 666.162768][ T1535] ? ovl_encode_real_fh+0x87/0x380 [ 666.167889][ T1535] ovl_encode_real_fh+0x87/0x380 [ 666.172826][ T1535] ? ovl_lookup_layer+0x3ad/0x470 [ 666.177857][ T1535] ovl_lookup_index+0x6b/0x6c0 [ 666.182621][ T1535] ovl_lookup+0x129f/0x1c70 [ 666.187123][ T1535] ? ovl_lookup+0x4a0/0x1c70 [ 666.191723][ T1535] ? __kasan_check_read+0x11/0x20 [ 666.196741][ T1535] ? do_raw_spin_unlock+0x49/0x260 [ 666.201862][ T1535] __lookup_hash+0x141/0x290 [ 666.206450][ T1535] do_unlinkat+0x1b4/0x7a0 [ 666.210898][ T1535] __x64_sys_unlink+0x49/0x50 [ 666.215570][ T1535] do_syscall_64+0xf7/0x1c0 [ 666.220070][ T1535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 666.225953][ T1535] RIP: 0033:0x45a219 [ 666.229841][ T1535] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 666.249447][ T1535] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 666.257864][ T1535] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 666.265833][ T1535] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 666.273807][ T1535] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 23:37:35 executing program 1 (fault-call:6 fault-nth:6): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:35 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20102070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 666.281784][ T1535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 666.289751][ T1535] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:35 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000e0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 666.558971][ T1550] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 666.608212][ T1550] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 666.628930][ T1557] FAULT_INJECTION: forcing a failure. [ 666.628930][ T1557] name failslab, interval 1, probability 0, space 0, times 0 [ 666.642076][ T1550] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:35 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0xffffffffffffffff, &(0x7f0000000080)="1f4a4e2bb99c95dabaad64688d6c0fa8ff06ec8bdde9d3a0e3d337bcd1778aa38b5e8da3fe55fa7349a289217127aa67b85fee6e564c586ed9f8973c1c9f171303f4a550dfacd3a38f019601478b9dc6c9820b0ba65e00ba9c4cd3a3786345c9d1752103a6c588a2f43f45ee9767f94f588920442ad36cca1a237816e8858b57991bbe9aae131f65d6a4d123e3f803d5e78a000000") [ 666.658087][ T1550] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 666.666436][ T1557] CPU: 1 PID: 1557 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 666.674151][ T1557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 666.684194][ T1557] Call Trace: [ 666.684212][ T1557] dump_stack+0x1fb/0x318 [ 666.684232][ T1557] should_fail+0x555/0x770 [ 666.684255][ T1557] __should_failslab+0x11a/0x160 [ 666.684268][ T1557] ? kcalloc+0x2f/0x50 [ 666.684279][ T1557] should_failslab+0x9/0x20 [ 666.684288][ T1557] __kmalloc+0x7a/0x340 [ 666.684298][ T1557] ? ovl_encode_real_fh+0x265/0x380 [ 666.684310][ T1557] kcalloc+0x2f/0x50 [ 666.684326][ T1557] ovl_lookup_index+0xb5/0x6c0 [ 666.684342][ T1557] ovl_lookup+0x129f/0x1c70 [ 666.684354][ T1557] ? ovl_lookup+0x4a0/0x1c70 [ 666.684376][ T1557] ? __kasan_check_read+0x11/0x20 [ 666.741799][ T1557] ? do_raw_spin_unlock+0x49/0x260 [ 666.746923][ T1557] __lookup_hash+0x141/0x290 [ 666.751517][ T1557] do_unlinkat+0x1b4/0x7a0 [ 666.755939][ T1557] __x64_sys_unlink+0x49/0x50 [ 666.760613][ T1557] do_syscall_64+0xf7/0x1c0 [ 666.765116][ T1557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 666.771001][ T1557] RIP: 0033:0x45a219 [ 666.774892][ T1557] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 666.794511][ T1557] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:35 executing program 1 (fault-call:6 fault-nth:7): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 666.802922][ T1557] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 666.810888][ T1557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 666.818859][ T1557] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 666.826832][ T1557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 666.834800][ T1557] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:35 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe803}}, 0x1c) 23:37:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6202002c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = request_key(&(0x7f0000000100)='asymmetric\x00', &(0x7f0000000140)={'syz', 0x2}, &(0x7f00000002c0)='overlay\x00', 0xfffffffffffffffb) keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000340)={r0, 0xd9, 0x1000}, &(0x7f0000000380)={'enc=', 'oaep', ' hash=', {'sha3-384-generic\x00'}}, &(0x7f0000000440)="27354f97d7da8ba6df164f0ae29edad581f43605765304e29bc14919f5595b743e6e6bf7734dbe8a2656a1114afcb8a128de308b27bfea1408c6118873780be2d20727f3d7f9a487b57fe9a3cc5feb7114e6eeeab0f5c2ee7a36e4e023ba9ef00db37ed428f7a40ebf37f271740c4d7383a63bdd1f00a16f0907b6db27156cb899dadd998c148912b07a46830db9b32bc16fc879f028f68dbd50907197a99e991ad52956a5846deaba4d08943c537c77b6961a1aa22f0184eae636e236a5aded4ed1752befd4793c4e1fc59ee764d5c5208fc98ea5f96ecfb8", &(0x7f0000000540)=""/4096) [ 666.944649][ T1550] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 666.962624][ T1550] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 666.979257][ T1550] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 666.986118][ T1550] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:35 executing program 0: socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) [ 667.105878][ T1579] FAULT_INJECTION: forcing a failure. [ 667.105878][ T1579] name failslab, interval 1, probability 0, space 0, times 0 [ 667.150300][ T1579] CPU: 0 PID: 1579 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 667.158056][ T1579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 667.168113][ T1579] Call Trace: [ 667.171407][ T1579] dump_stack+0x1fb/0x318 [ 667.175749][ T1579] should_fail+0x555/0x770 [ 667.180176][ T1579] __should_failslab+0x11a/0x160 [ 667.180575][ T1583] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 667.185110][ T1579] ? kcalloc+0x2f/0x50 23:37:35 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20103070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 667.185124][ T1579] should_failslab+0x9/0x20 [ 667.185137][ T1579] __kmalloc+0x7a/0x340 [ 667.185147][ T1579] ? ovl_encode_real_fh+0x265/0x380 [ 667.185161][ T1579] kcalloc+0x2f/0x50 [ 667.185171][ T1579] ovl_lookup_index+0xb5/0x6c0 [ 667.185185][ T1579] ovl_lookup+0x129f/0x1c70 [ 667.224396][ T1579] ? ovl_lookup+0x4a0/0x1c70 [ 667.227734][ T1583] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 667.228999][ T1579] ? __kasan_check_read+0x11/0x20 [ 667.229011][ T1579] ? do_raw_spin_unlock+0x49/0x260 23:37:36 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) ioctl$BLKGETSIZE64(r1, 0x80081272, &(0x7f0000000100)) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = gettid() ptrace$setopts(0x4206, r2, 0x0, 0x0) tkill(r2, 0x3c) ptrace$cont(0x18, r2, 0x0, 0x0) ptrace$setregs(0xd, r2, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r2, 0x0, 0x0) syz_open_procfs(r2, &(0x7f0000000180)='net/ip6_mr_vif\x00') r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setrlimit(0xc, &(0x7f0000000140)={0x5, 0x7fffffff}) setsockopt$llc_int(r3, 0x10c, 0x0, &(0x7f00000001c0)=0x1ff, 0x4) sendfile(r1, r3, &(0x7f0000000040)=0xf, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r4, 0x0) recvmsg$can_raw(r4, &(0x7f00000015c0)={&(0x7f0000000200)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @dev}}}, 0x80, &(0x7f0000001500)=[{&(0x7f0000001640)=""/80, 0x50}, {&(0x7f0000000300)=""/4096, 0x1000}, {&(0x7f0000001300)=""/243, 0xf3}, {&(0x7f00000016c0)=""/25, 0x19}, {&(0x7f0000001440)=""/191, 0xbf}], 0x5, &(0x7f0000001580)=""/6, 0xffffffffffffff9a}, 0x40000000) recvfrom$unix(r5, &(0x7f0000001600)=""/46, 0x2e, 0x40000040, 0x0, 0x0) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) recvmsg$can_raw(r0, &(0x7f0000000900)={&(0x7f0000000340)=@l2, 0x80, &(0x7f00000007c0)=[{&(0x7f0000000440)=""/140, 0x8c}, {&(0x7f00000002c0)=""/21, 0x15}, {&(0x7f00000003c0)}, {&(0x7f0000000500)=""/221, 0xdd}, {&(0x7f0000000600)=""/160, 0xa0}, {&(0x7f00000006c0)=""/211, 0xd3}], 0x6, &(0x7f0000000840)=""/156, 0x9c}, 0x40000001) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hwrng\x00', 0x0, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) r3 = socket(0x40000000015, 0x5, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r4, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x11, &(0x7f0000000140)={r5}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000140)=@assoc_id=r5, 0x4) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 667.229030][ T1579] __lookup_hash+0x141/0x290 [ 667.251948][ T1579] do_unlinkat+0x1b4/0x7a0 [ 667.256384][ T1579] __x64_sys_unlink+0x49/0x50 [ 667.261062][ T1579] do_syscall_64+0xf7/0x1c0 [ 667.265563][ T1579] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 667.271450][ T1579] RIP: 0033:0x45a219 [ 667.275345][ T1579] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 23:37:36 executing program 1 (fault-call:6 fault-nth:8): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:36 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000003b0f0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 667.294946][ T1579] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 667.303354][ T1579] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 667.311315][ T1579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 667.319268][ T1579] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 667.327225][ T1579] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 667.335201][ T1579] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 667.516924][ T1598] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:36 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = fcntl$dupfd(r1, 0x406, 0xffffffffffffffff) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl\x00', 0x100, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r3, 0x0, 0x487, &(0x7f00000001c0)={{0x2e, @broadcast, 0x4e20, 0x0, 'dh\x00', 0x22, 0x7ff, 0x4c}, {@dev={0xac, 0x14, 0x14, 0x2a}, 0x4e21, 0x3, 0x1, 0x81, 0x5}}, 0xffffffffffffffdb) ioctl$VIDIOC_SUBDEV_S_FRAME_INTERVAL(r2, 0xc0305616, &(0x7f0000000040)={0x0, {0x8, 0x3}}) [ 667.581079][ T1598] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 667.611318][ T1603] FAULT_INJECTION: forcing a failure. [ 667.611318][ T1603] name failslab, interval 1, probability 0, space 0, times 0 [ 667.637532][ T1598] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 667.658360][ T1603] CPU: 0 PID: 1603 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 667.658676][ T1598] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 667.666100][ T1603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 667.666106][ T1603] Call Trace: [ 667.666125][ T1603] dump_stack+0x1fb/0x318 [ 667.666142][ T1603] should_fail+0x555/0x770 [ 667.666160][ T1603] __should_failslab+0x11a/0x160 [ 667.666170][ T1603] ? __d_alloc+0x2d/0x6e0 [ 667.666187][ T1603] should_failslab+0x9/0x20 [ 667.710206][ T1603] kmem_cache_alloc+0x56/0x2e0 [ 667.714969][ T1603] ? __lock_acquire+0xc75/0x1be0 [ 667.719909][ T1603] __d_alloc+0x2d/0x6e0 [ 667.724068][ T1603] d_alloc_parallel+0x7f/0x1430 [ 667.728917][ T1603] ? memset+0x31/0x40 [ 667.732897][ T1603] ? lockdep_init_map+0x2a/0x680 [ 667.737837][ T1603] __lookup_slow+0xa7/0x380 [ 667.742348][ T1603] lookup_one_len_unlocked+0xe0/0x1d0 [ 667.747721][ T1603] ovl_lookup_index+0x157/0x6c0 [ 667.752577][ T1603] ovl_lookup+0x129f/0x1c70 [ 667.757079][ T1603] ? ovl_lookup+0x4a0/0x1c70 [ 667.761680][ T1603] ? __kasan_check_read+0x11/0x20 [ 667.766701][ T1603] ? do_raw_spin_unlock+0x49/0x260 [ 667.771826][ T1603] __lookup_hash+0x141/0x290 [ 667.776417][ T1603] do_unlinkat+0x1b4/0x7a0 [ 667.780852][ T1603] __x64_sys_unlink+0x49/0x50 [ 667.785531][ T1603] do_syscall_64+0xf7/0x1c0 [ 667.790043][ T1603] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 667.795933][ T1603] RIP: 0033:0x45a219 [ 667.799823][ T1603] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 667.819426][ T1603] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 667.827839][ T1603] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 667.835811][ T1603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 667.843787][ T1603] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 667.851764][ T1603] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 667.859869][ T1603] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 667.868768][ T1603] overlayfs: failed inode index lookup (ino=16754, key=00fb1d0001bc76c05f8e764d279a6a5272ece59d1172410000f2090115, err=-12); 23:37:36 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xf401}}, 0x1c) [ 667.868768][ T1603] overlayfs: mount with '-o index=off' to disable inodes index. 23:37:36 executing program 1 (fault-call:6 fault-nth:9): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:36 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000020100001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:36 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20104070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:36 executing program 0: r0 = socket(0xa, 0x1, 0x0) socket(0x4, 0x0, 0xd1) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) setsockopt$IP_VS_SO_SET_EDITDEST(r1, 0x0, 0x489, &(0x7f0000000040)={{0xa1, @rand_addr=0xb1, 0x4e21, 0x4, 'nq\x00', 0x8, 0x8, 0x51}, {@rand_addr=0x2, 0x4e23, 0x4, 0x9, 0x5, 0x3ff}}, 0x44) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) fchdir(r1) ioctl(r0, 0x8916, &(0x7f0000000000)) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r3, 0x10c, 0x5, &(0x7f0000000000), 0x4) r4 = syz_init_net_socket$llc(0x1a, 0x3, 0x0) setsockopt$llc_int(r4, 0x10c, 0x5, &(0x7f0000000000), 0x4) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0xfffffffffffffe0d) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000001c0)={&(0x7f0000002000/0x1000)=nil, &(0x7f0000000000/0x11000)=nil, &(0x7f0000001000/0x2000)=nil, &(0x7f0000000000/0x2000)=nil, &(0x7f0000003000/0x4000)=nil, &(0x7f000000f000/0x4000)=nil, &(0x7f0000012000/0x3000)=nil, &(0x7f000000c000/0x2000)=nil, &(0x7f0000003000/0x3000)=nil, &(0x7f0000005000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000000140)="736651f37864c10cddb33ec47c0243daae0945a14fa55b70a8f30c3c2581e5ec82603c2b56f52415f4e247ca979505d593c9cdbaf15d86f80448b30458caeae19797ca04be237d29e42cae87", 0x4c, r2}, 0x68) write$P9_RFLUSH(r2, &(0x7f0000000100)={0x7, 0x6d, 0x2}, 0x7) [ 668.216059][ T1629] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 668.256595][ T1629] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 668.273817][ T1629] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 668.289255][ T1636] FAULT_INJECTION: forcing a failure. [ 668.289255][ T1636] name failslab, interval 1, probability 0, space 0, times 0 23:37:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000110001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 668.293188][ T1629] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 668.311270][ T1636] CPU: 0 PID: 1636 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 668.319004][ T1636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.329054][ T1636] Call Trace: [ 668.332362][ T1636] dump_stack+0x1fb/0x318 [ 668.336700][ T1636] should_fail+0x555/0x770 [ 668.341142][ T1636] __should_failslab+0x11a/0x160 [ 668.346080][ T1636] ? __d_alloc+0xbe/0x6e0 [ 668.350416][ T1636] should_failslab+0x9/0x20 23:37:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000120001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 668.354925][ T1636] __kmalloc+0x7a/0x340 [ 668.359255][ T1636] ? kmem_cache_alloc+0x223/0x2e0 [ 668.364272][ T1636] ? __d_alloc+0x2d/0x6e0 [ 668.368599][ T1636] __d_alloc+0xbe/0x6e0 [ 668.372755][ T1636] d_alloc_parallel+0x7f/0x1430 [ 668.377605][ T1636] ? memset+0x31/0x40 [ 668.381762][ T1636] ? lockdep_init_map+0x2a/0x680 [ 668.386703][ T1636] __lookup_slow+0xa7/0x380 [ 668.391214][ T1636] lookup_one_len_unlocked+0xe0/0x1d0 [ 668.396587][ T1636] ovl_lookup_index+0x157/0x6c0 [ 668.401439][ T1636] ovl_lookup+0x129f/0x1c70 [ 668.405948][ T1636] ? ovl_lookup+0x4a0/0x1c70 [ 668.410556][ T1636] ? __kasan_check_read+0x11/0x20 [ 668.415583][ T1636] ? do_raw_spin_unlock+0x49/0x260 [ 668.420701][ T1636] __lookup_hash+0x141/0x290 [ 668.420715][ T1636] do_unlinkat+0x1b4/0x7a0 [ 668.420734][ T1636] __x64_sys_unlink+0x49/0x50 [ 668.420745][ T1636] do_syscall_64+0xf7/0x1c0 [ 668.420762][ T1636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 668.444771][ T1636] RIP: 0033:0x45a219 23:37:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000001f0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 668.448661][ T1636] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 668.468269][ T1636] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 668.476688][ T1636] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 668.484663][ T1636] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 668.492638][ T1636] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 668.500609][ T1636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 668.508583][ T1636] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 668.521649][ T1636] overlayfs: failed inode index lookup (ino=16577, key=00fb1d0001bc76c05f8e764d279a6a5272ece59d11c1400000c9a2ffb7, err=-12); [ 668.521649][ T1636] overlayfs: mount with '-o index=off' to disable inodes index. 23:37:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000002c0)={0x0, 0x0}, &(0x7f0000000340)=0xc) r2 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r3) mount$bpf(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='bpf\x00', 0x4000, &(0x7f0000000440)={[{@mode={'mode', 0x3d, 0x100000001}}, {@mode={'mode', 0x3d, 0x2}}], [{@hash='hash'}, {@seclabel='seclabel'}, {@euid_lt={'euid<', r1}}, {@euid_eq={'euid', 0x3d, r3}}, {@seclabel='seclabel'}]}) 23:37:37 executing program 1 (fault-call:6 fault-nth:10): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:37 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20105070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000200001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfc00}}, 0x1c) [ 668.893262][ T1662] FAULT_INJECTION: forcing a failure. [ 668.893262][ T1662] name failslab, interval 1, probability 0, space 0, times 0 [ 668.918042][ T1665] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 668.966760][ T1665] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 668.978091][ T1662] CPU: 0 PID: 1662 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 668.985838][ T1662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 668.986832][ T1665] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 668.995893][ T1662] Call Trace: [ 668.995911][ T1662] dump_stack+0x1fb/0x318 [ 668.995928][ T1662] should_fail+0x555/0x770 [ 668.995947][ T1662] __should_failslab+0x11a/0x160 [ 668.995960][ T1662] ? ovl_alloc_inode+0x1f/0xa0 [ 668.995971][ T1662] should_failslab+0x9/0x20 [ 668.995981][ T1662] kmem_cache_alloc+0x56/0x2e0 [ 668.995990][ T1662] ? ovl_free_fs+0x670/0x670 [ 668.996000][ T1662] ovl_alloc_inode+0x1f/0xa0 [ 668.996008][ T1662] ? ovl_free_fs+0x670/0x670 [ 668.996017][ T1662] iget5_locked+0xb2/0x3e0 [ 668.996030][ T1662] ? ovl_get_trap_inode+0x1a0/0x1a0 [ 669.044327][ T1665] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 669.047271][ T1662] ? ovl_lookup_inode+0x130/0x130 [ 669.047285][ T1662] ovl_get_inode+0x3bb/0xb80 [ 669.047306][ T1662] ovl_lookup+0x1674/0x1c70 [ 669.047319][ T1662] ? ovl_lookup+0x4a0/0x1c70 [ 669.047358][ T1662] __lookup_hash+0x141/0x290 [ 669.047370][ T1662] do_unlinkat+0x1b4/0x7a0 [ 669.061208][ T1678] bpf: Bad value for 'mode' [ 669.065097][ T1662] __x64_sys_unlink+0x49/0x50 [ 669.065116][ T1662] do_syscall_64+0xf7/0x1c0 [ 669.065131][ T1662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 669.065140][ T1662] RIP: 0033:0x45a219 23:37:37 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) write$P9_RWALK(r2, &(0x7f00000005c0)={0x64, 0x6f, 0x1, {0x7, [{0x2, 0x3, 0x1}, {0x2a, 0x1, 0x2}, {0x11, 0x4, 0x1}, {0x90, 0x0, 0x1}, {0x8c, 0x0, 0x5}, {0x8, 0x3, 0x2}, {0x10, 0x4, 0x3}]}}, 0x64) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) syz_mount_image$bfs(&(0x7f0000000100)='bfs\x00', &(0x7f0000000140)='./bus/file1\x00', 0x1, 0x5, &(0x7f0000000540)=[{&(0x7f00000002c0)="055bf2b45063cce010ecd29bdf00e66fbf562aa3889c5478820300b4", 0x1c, 0xffffffffffffffff}, {&(0x7f0000000340)="8ae220241479089fb4f109", 0xb, 0x3}, {&(0x7f0000000380)="33ae869ce62c3542a9a9ebc62648a5838018dd", 0x13, 0xb82}, {&(0x7f0000000440)="c711ac301488bba7d93ca5c860cf49c90bc8187c8265e24efa40c08768d259ab66d80583d096bb334a8c60712c5589cb49e2a59596f3e0e429a52adc917494974a98d0f06158c1941a239abc8fc6b78f8a45af22ef05a6a11e0b4b092cbd2c11980dbeb9", 0x64, 0x3f}, {&(0x7f00000004c0)="498d93125f9a342c789cfdafe4f1c46b6b875c7d44315c628093e36a078b8efd9811af70260aa11b15b27c5ba00de98e994198fce57ce8e8afe38f774757f3a6c84036f1bc768adc85e738657f40189cdd08f43459066220a236a397e6dd15f5cce094b0a1b54db7ed7699e15ff52055e80b521bcd0643f7e5eccb16ad", 0x7d, 0x3}], 0x4019ee182bbf9ade, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 669.065153][ T1662] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 669.135761][ T1662] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 669.144181][ T1662] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 669.152158][ T1662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 669.160138][ T1662] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 669.168115][ T1662] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 669.176100][ T1662] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 669.201511][ T1662] overlayfs: failed to get inode (-12) 23:37:38 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='trusted\x00', r1}, 0x10) 23:37:38 executing program 1 (fault-call:6 fault-nth:11): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 669.303018][ T1665] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 669.311358][ T1665] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 669.320877][ T1665] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 669.327645][ T1665] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:38 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20106070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:38 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000010200001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 669.564588][ T1696] FAULT_INJECTION: forcing a failure. [ 669.564588][ T1696] name failslab, interval 1, probability 0, space 0, times 0 [ 669.626707][ T1696] CPU: 0 PID: 1696 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 669.634466][ T1696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 669.644706][ T1696] Call Trace: [ 669.648010][ T1696] dump_stack+0x1fb/0x318 [ 669.652350][ T1696] should_fail+0x555/0x770 [ 669.656781][ T1696] __should_failslab+0x11a/0x160 [ 669.661725][ T1696] ? security_inode_alloc+0x36/0x1e0 [ 669.667021][ T1696] should_failslab+0x9/0x20 [ 669.671525][ T1696] kmem_cache_alloc+0x56/0x2e0 [ 669.676287][ T1696] ? lockdep_init_map+0x2a/0x680 [ 669.681226][ T1696] security_inode_alloc+0x36/0x1e0 [ 669.686338][ T1696] inode_init_always+0x3b5/0x920 [ 669.691273][ T1696] ? ovl_free_fs+0x670/0x670 [ 669.695868][ T1696] iget5_locked+0xc9/0x3e0 [ 669.700284][ T1696] ? ovl_get_trap_inode+0x1a0/0x1a0 [ 669.705476][ T1696] ? ovl_lookup_inode+0x130/0x130 [ 669.710503][ T1696] ovl_get_inode+0x3bb/0xb80 [ 669.715099][ T1696] ovl_lookup+0x1674/0x1c70 [ 669.719607][ T1696] ? ovl_lookup+0x4a0/0x1c70 [ 669.724231][ T1696] __lookup_hash+0x141/0x290 [ 669.728830][ T1696] do_unlinkat+0x1b4/0x7a0 [ 669.733256][ T1696] __x64_sys_unlink+0x49/0x50 [ 669.738114][ T1696] do_syscall_64+0xf7/0x1c0 [ 669.742621][ T1696] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 669.748507][ T1696] RIP: 0033:0x45a219 [ 669.752398][ T1696] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 669.772023][ T1696] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 669.780438][ T1696] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 669.788411][ T1696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 669.796387][ T1696] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 669.804355][ T1696] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 669.812324][ T1696] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup/syz0\x00', 0x200002, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f0c3c8c4ae4275e57f97765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c757070657264c1"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfe80}}, 0x1c) [ 669.875166][ T1696] overlayfs: failed to get inode (-12) 23:37:38 executing program 1 (fault-call:6 fault-nth:12): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 669.919094][ T1704] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 669.926838][ T1704] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 669.948349][ T1704] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 669.978265][ T1704] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 670.036903][ T1719] overlayfs: unrecognized mount option "lo <ŒJä'^Wùwerdir=./bus" or missing value [ 670.057741][ T1720] overlayfs: unrecognized mount option "lo <ŒJä'^Wùwerdir=./bus" or missing value 23:37:38 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000250001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) write$P9_RREADDIR(r0, &(0x7f0000000440)={0xc7, 0x29, 0x1, {0x7fff, [{{0x20, 0x3, 0x5}, 0x8, 0x80, 0x5, './bus'}, {{0x98, 0x4, 0x4}, 0x3, 0x3f, 0x7, './file1'}, {{0x4, 0x2, 0x4}, 0x9, 0x20, 0x7, './file2'}, {{0x0, 0x3, 0x4}, 0xb9d, 0xff, 0x7, './file1'}, {{0x4, 0x4, 0x7}, 0xdad, 0x2, 0x7, './file1'}, {{0x4, 0x3}, 0x3, 0x40, 0xb, './bus/file1'}]}}, 0xc7) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) chown(&(0x7f0000000100)='./file3\x00', r2, 0xffffffffffffffff) [ 670.125860][ T1704] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 670.164031][ T1704] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 670.223748][ T1704] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 670.270298][ T1704] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 670.286713][ T1735] FAULT_INJECTION: forcing a failure. [ 670.286713][ T1735] name failslab, interval 1, probability 0, space 0, times 0 [ 670.299835][ T1735] CPU: 1 PID: 1735 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 670.307559][ T1735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.317608][ T1735] Call Trace: [ 670.317629][ T1735] dump_stack+0x1fb/0x318 [ 670.317648][ T1735] should_fail+0x555/0x770 [ 670.317665][ T1735] __should_failslab+0x11a/0x160 [ 670.334592][ T1735] should_failslab+0x9/0x20 [ 670.339093][ T1735] kmem_cache_alloc_trace+0x5d/0x2f0 [ 670.339105][ T1735] ? smack_d_instantiate+0x732/0xd70 [ 670.339117][ T1735] smack_d_instantiate+0x732/0xd70 [ 670.339136][ T1735] security_d_instantiate+0xa5/0x100 [ 670.339147][ T1735] d_splice_alias+0x74/0x610 [ 670.339155][ T1735] ? trace_kfree+0xb2/0x110 [ 670.339166][ T1735] ? ovl_lookup+0x177e/0x1c70 [ 670.339177][ T1735] ovl_lookup+0x1789/0x1c70 [ 670.339187][ T1735] ? ovl_lookup+0x4a0/0x1c70 [ 670.339223][ T1735] __lookup_hash+0x141/0x290 [ 670.339236][ T1735] do_unlinkat+0x1b4/0x7a0 [ 670.339260][ T1735] __x64_sys_unlink+0x49/0x50 [ 670.396638][ T1735] do_syscall_64+0xf7/0x1c0 [ 670.401148][ T1735] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 670.407037][ T1735] RIP: 0033:0x45a219 [ 670.410928][ T1735] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 670.430652][ T1735] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 670.439073][ T1735] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 670.447047][ T1735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 670.455022][ T1735] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 670.463159][ T1735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 23:37:39 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = socket(0xa, 0x1, 0x0) r2 = pkey_alloc(0x0, 0x1) pkey_free(r2) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r1, 0x8916, &(0x7f0000000000)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) lsetxattr$security_smack_transmute(&(0x7f0000000040)='./file0\x00', &(0x7f00000001c0)='security.SMACK64TRANSMUTE\x00', &(0x7f0000000200)='TRUE', 0x4, 0x2) r5 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vsock\x00', 0x142302, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r5, 0xc08c5334, &(0x7f0000000280)={0x4b, 0x2, 0x1000, 'queue1\x00'}) ioctl$VIDIOC_PREPARE_BUF(r0, 0xc058565d, &(0x7f0000000140)={0x5, 0x9, 0x4, 0x420010, {r3, r4/1000+30000}, {0x4, 0x1, 0xfc, 0xed, 0x9, 0x9, "6b81431a"}, 0x4, 0x3, @fd, 0x4}) [ 670.471129][ T1735] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:39 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20107070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:39 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000f3b0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:39 executing program 1 (fault-call:6 fault-nth:13): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 670.732933][ T1742] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 670.768160][ T1742] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:39 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff00}}, 0x1c) [ 670.795294][ T1742] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 670.834969][ T1742] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 670.872216][ T1756] FAULT_INJECTION: forcing a failure. [ 670.872216][ T1756] name failslab, interval 1, probability 0, space 0, times 0 [ 670.918043][ T1756] CPU: 1 PID: 1756 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 670.925790][ T1756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 670.935848][ T1756] Call Trace: [ 670.939146][ T1756] dump_stack+0x1fb/0x318 [ 670.943494][ T1756] should_fail+0x555/0x770 [ 670.947920][ T1756] __should_failslab+0x11a/0x160 [ 670.952866][ T1756] should_failslab+0x9/0x20 [ 670.957375][ T1756] kmem_cache_alloc_trace+0x5d/0x2f0 [ 670.962663][ T1756] ? smack_d_instantiate+0x732/0xd70 23:37:39 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20108070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 670.967961][ T1756] smack_d_instantiate+0x732/0xd70 [ 670.973084][ T1756] security_d_instantiate+0xa5/0x100 [ 670.978369][ T1756] d_splice_alias+0x74/0x610 [ 670.982958][ T1756] ? trace_kfree+0xb2/0x110 [ 670.987474][ T1756] ? ovl_lookup+0x177e/0x1c70 [ 670.992152][ T1756] ovl_lookup+0x1789/0x1c70 [ 670.996657][ T1756] ? ovl_lookup+0x4a0/0x1c70 [ 671.001273][ T1756] __lookup_hash+0x141/0x290 [ 671.005866][ T1756] do_unlinkat+0x1b4/0x7a0 [ 671.010291][ T1756] __x64_sys_unlink+0x49/0x50 [ 671.014969][ T1756] do_syscall_64+0xf7/0x1c0 [ 671.019650][ T1756] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 671.025537][ T1756] RIP: 0033:0x45a219 [ 671.029430][ T1756] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 671.049036][ T1756] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 671.057480][ T1756] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 671.065472][ T1756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 671.073448][ T1756] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 671.081432][ T1756] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 671.089416][ T1756] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:39 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000003f0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 671.165581][ T1765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:39 executing program 1 (fault-call:6 fault-nth:14): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = creat(&(0x7f0000000380)='./file0\x00', 0x0) ioctl$UI_SET_MSCBIT(r0, 0x40045568, 0x26) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r3) r4 = socket(0x40000000015, 0x5, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r5, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r5, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB, @ANYRES32=0x0], &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r4, 0x84, 0x66, &(0x7f0000000000)={r6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x11, &(0x7f0000000140)={r6}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000100)={r6, 0x8}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f00000002c0)={r7, 0x3344}, &(0x7f0000000340)=0x8) [ 671.210419][ T1765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 671.226651][ T1765] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 671.234524][ T1765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 671.367666][ T1782] overlayfs: './file0' not a directory [ 671.380477][ T1765] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 671.421192][ T1765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 671.444476][ T1784] FAULT_INJECTION: forcing a failure. [ 671.444476][ T1784] name failslab, interval 1, probability 0, space 0, times 0 [ 671.506941][ T1765] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 671.530597][ T1765] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 671.545561][ T1784] CPU: 1 PID: 1784 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 671.553312][ T1784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 671.563371][ T1784] Call Trace: [ 671.566687][ T1784] dump_stack+0x1fb/0x318 [ 671.571027][ T1784] should_fail+0x555/0x770 [ 671.575458][ T1784] __should_failslab+0x11a/0x160 [ 671.580402][ T1784] ? smack_inode_getsecurity+0x1be/0x260 [ 671.586135][ T1784] should_failslab+0x9/0x20 [ 671.594813][ T1784] __kmalloc_track_caller+0x79/0x340 [ 671.600095][ T1784] ? smk_curacc+0xa3/0xe0 [ 671.604413][ T1784] kstrdup+0x34/0x70 [ 671.608288][ T1784] smack_inode_getsecurity+0x1be/0x260 [ 671.613815][ T1784] security_inode_getsecurity+0xb0/0x140 [ 671.619429][ T1784] vfs_getxattr+0x137/0x260 [ 671.623916][ T1784] ovl_xattr_get+0x8d/0xb0 [ 671.628313][ T1784] ovl_other_xattr_get+0x35/0x40 [ 671.633225][ T1784] ? ovl_own_xattr_set+0x10/0x10 [ 671.638156][ T1784] __vfs_getxattr+0x3b7/0x3f0 [ 671.642834][ T1784] smack_d_instantiate+0x763/0xd70 [ 671.648645][ T1784] security_d_instantiate+0xa5/0x100 [ 671.653925][ T1784] d_splice_alias+0x74/0x610 [ 671.658489][ T1784] ? trace_kfree+0xb2/0x110 [ 671.662968][ T1784] ? ovl_lookup+0x177e/0x1c70 [ 671.667630][ T1784] ovl_lookup+0x1789/0x1c70 [ 671.672121][ T1784] ? ovl_lookup+0x4a0/0x1c70 [ 671.676708][ T1784] __lookup_hash+0x141/0x290 [ 671.681274][ T1784] do_unlinkat+0x1b4/0x7a0 [ 671.685671][ T1784] __x64_sys_unlink+0x49/0x50 [ 671.690324][ T1784] do_syscall_64+0xf7/0x1c0 [ 671.694807][ T1784] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 671.700673][ T1784] RIP: 0033:0x45a219 [ 671.704544][ T1784] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 671.724134][ T1784] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 671.732534][ T1784] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 671.740489][ T1784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 671.748438][ T1784] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 23:37:40 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000400001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:40 executing program 0: r0 = socket(0xa, 0x1, 0x0) chroot(&(0x7f0000000140)='./file0\x00') setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl$KDSETLED(0xffffffffffffffff, 0x4b32, 0x2) r1 = syz_open_dev$radio(&(0x7f0000000040)='/dev/radio#\x00', 0x2, 0x2) write$P9_RREAD(r1, &(0x7f0000000080)=ANY=[@ANYBLOB="8c0000007502008100000099820a45516be89efcf032ffe3e78aba2ee105355d701dcb719d3c93c140338f0fd011b0e5833fad448e11c642fad8f8ffffff4999103c18e4e263666ba68a39f9969f645fb17886e7e4c77d5f6aade9f8c3c39a5165cf685aee61c8b26a615ffeddae895c365fd4c51bade62f40a4d6499b59f4d62d5c9e554fe94858021dbeb5"], 0x8c) ioctl(r0, 0x8916, &(0x7f0000000000)) r2 = clone3(&(0x7f0000000340)={0x20008300, &(0x7f0000000180), &(0x7f00000001c0), &(0x7f0000000200), 0xd, 0x0, &(0x7f0000000240)=""/158, 0x9e, &(0x7f0000000300)=""/34}, 0x40) fcntl$setown(r0, 0x8, r2) [ 671.756398][ T1784] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 671.764344][ T1784] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:40 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff01}}, 0x1c) 23:37:40 executing program 1 (fault-call:6 fault-nth:15): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:40 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000480001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:40 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20109070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:40 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in=@empty, @in6=@ipv4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f0000000180)=0xe8) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40800484}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=@ipv4_getnetconf={0x54, 0x52, 0x2, 0x70bd28, 0x25dfdbfe, {}, [@NETCONFA_FORWARDING={0x8}, @NETCONFA_RP_FILTER={0x8, 0x3, 0x7f}, @NETCONFA_FORWARDING={0x8, 0x2, 0xff}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x9}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x9}, @NETCONFA_IFINDEX={0x8, 0x1, r1}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x4}, @IGNORE_ROUTES_WITH_LINKDOWN={0x8, 0x6, 0x40}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000}, 0xce9cc0b7f37e3381) 23:37:41 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$KVM_SET_CPUID(r1, 0x4008ae8a, &(0x7f0000000040)={0x5, 0x0, [{0xc0000000, 0x29b, 0xfffffff7, 0xfe23, 0x9}, {0x4, 0x400, 0x400, 0x0, 0x2}, {0x0, 0x6, 0x400, 0x995d, 0x81}, {0x0, 0xe83a, 0x9, 0x3, 0x70000000}, {0x80000019, 0x9, 0x1000, 0x1, 0x7}]}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) ioctl$VIDIOC_DBG_G_REGISTER(r2, 0xc0385650, &(0x7f00000001c0)={{0x4, @name="38e71a50b6af814af2ffb13b86ac431782223a82a3de7be7a36d6fd172bd639a"}, 0x8, 0x7, 0x5}) ioctl$TIOCSSERIAL(r1, 0x541f, &(0x7f0000000140)={0x6, 0x3, 0x5, 0x1f, 0x1, 0x4eb471c0, 0x100, 0x1, 0x4, 0x9, 0x2, 0x100, 0x9, 0x200, &(0x7f0000000100)=""/40, 0x1, 0x0, 0x8}) [ 672.195975][ T1824] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 672.216109][ T1824] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 672.276253][ T1824] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 672.300932][ T1824] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 672.416890][ T1824] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 672.426085][ T1840] FAULT_INJECTION: forcing a failure. [ 672.426085][ T1840] name failslab, interval 1, probability 0, space 0, times 0 [ 672.432946][ T1824] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 672.466013][ T1824] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 672.485281][ T1840] CPU: 0 PID: 1840 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 672.493040][ T1840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.493166][ T1824] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 672.503090][ T1840] Call Trace: [ 672.503111][ T1840] dump_stack+0x1fb/0x318 [ 672.503131][ T1840] should_fail+0x555/0x770 [ 672.503147][ T1840] __should_failslab+0x11a/0x160 [ 672.503162][ T1840] should_failslab+0x9/0x20 [ 672.503173][ T1840] kmem_cache_alloc_trace+0x5d/0x2f0 [ 672.503187][ T1840] ? smack_d_instantiate+0x962/0xd70 [ 672.543640][ T1840] smack_d_instantiate+0x962/0xd70 [ 672.548737][ T1840] security_d_instantiate+0xa5/0x100 [ 672.554011][ T1840] d_splice_alias+0x74/0x610 [ 672.558587][ T1840] ? trace_kfree+0xb2/0x110 [ 672.563080][ T1840] ? ovl_lookup+0x177e/0x1c70 [ 672.567747][ T1840] ovl_lookup+0x1789/0x1c70 [ 672.572333][ T1840] ? ovl_lookup+0x4a0/0x1c70 [ 672.576943][ T1840] __lookup_hash+0x141/0x290 [ 672.581518][ T1840] do_unlinkat+0x1b4/0x7a0 [ 672.585917][ T1840] __x64_sys_unlink+0x49/0x50 [ 672.590570][ T1840] do_syscall_64+0xf7/0x1c0 [ 672.595055][ T1840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 672.600953][ T1840] RIP: 0033:0x45a219 [ 672.604826][ T1840] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 672.624494][ T1840] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 672.632976][ T1840] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 672.640924][ T1840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 672.648869][ T1840] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 672.656814][ T1840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 23:37:41 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000004c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 672.664760][ T1840] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:41 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff03}}, 0x1c) 23:37:41 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) linkat(r1, &(0x7f0000000080)='./bus/file0\x00', r0, &(0x7f0000000140)='./bus\x00', 0x800) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000100)='./file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:41 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010a070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:41 executing program 1 (fault-call:6 fault-nth:16): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:41 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000005c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 673.158801][ T1871] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 673.183449][ T1871] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:41 executing program 0: socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) llistxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/156, 0x9c) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000140)=0x0) ptrace$setregset(0x4205, r0, 0x1, &(0x7f0000000200)={&(0x7f0000000180)="dafe56687c8971de6a8f084ed6ee834a4b12681a5d2b14fd84312b4b50e01df0842341d775a5e90a0520970d0fdd466140e85f9249647e64310257ef2f6d9a261e837898bc92057141b05af07507fa52865c50201d3ceb918620", 0x5a}) ioctl(0xffffffffffffffff, 0x28912, &(0x7f0000000000)) [ 673.210864][ T1871] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 673.224577][ T1871] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 673.249213][ T1878] FAULT_INJECTION: forcing a failure. 23:37:42 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000680001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 673.249213][ T1878] name failslab, interval 1, probability 0, space 0, times 0 [ 673.277782][ T1878] CPU: 1 PID: 1878 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 673.285533][ T1878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.295619][ T1878] Call Trace: [ 673.298920][ T1878] dump_stack+0x1fb/0x318 [ 673.303262][ T1878] should_fail+0x555/0x770 [ 673.307695][ T1878] __should_failslab+0x11a/0x160 [ 673.312643][ T1878] ? kzalloc+0x1f/0x40 [ 673.316730][ T1878] should_failslab+0x9/0x20 [ 673.321235][ T1878] __kmalloc+0x7a/0x340 [ 673.325389][ T1878] ? ovl_xattr_get+0x98/0xb0 [ 673.329981][ T1878] kzalloc+0x1f/0x40 [ 673.333877][ T1878] smk_parse_smack+0x197/0x230 [ 673.338645][ T1878] smk_import_entry+0x27/0x590 [ 673.343416][ T1878] smack_d_instantiate+0x78f/0xd70 [ 673.348537][ T1878] security_d_instantiate+0xa5/0x100 [ 673.353917][ T1878] d_splice_alias+0x74/0x610 [ 673.358506][ T1878] ? trace_kfree+0xb2/0x110 [ 673.363198][ T1878] ? ovl_lookup+0x177e/0x1c70 [ 673.367877][ T1878] ovl_lookup+0x1789/0x1c70 [ 673.372381][ T1878] ? ovl_lookup+0x4a0/0x1c70 [ 673.377022][ T1878] __lookup_hash+0x141/0x290 [ 673.381618][ T1878] do_unlinkat+0x1b4/0x7a0 [ 673.386043][ T1878] __x64_sys_unlink+0x49/0x50 [ 673.390717][ T1878] do_syscall_64+0xf7/0x1c0 [ 673.395223][ T1878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 673.401128][ T1878] RIP: 0033:0x45a219 [ 673.405016][ T1878] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 673.424624][ T1878] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 673.433045][ T1878] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 673.441026][ T1878] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 673.449000][ T1878] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 23:37:42 executing program 1 (fault-call:6 fault-nth:17): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 673.456981][ T1878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 673.464954][ T1878] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:42 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = syz_open_dev$mouse(&(0x7f0000000040)='/dev/input/mouse#\x00', 0x54, 0x40) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f0000000080)) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:42 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff07}}, 0x1c) [ 673.597689][ T1871] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 673.653448][ T1871] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 673.668123][ T1871] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 673.677142][ T1871] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 673.712028][ T1895] FAULT_INJECTION: forcing a failure. [ 673.712028][ T1895] name failslab, interval 1, probability 0, space 0, times 0 [ 673.737665][ T1895] CPU: 1 PID: 1895 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 673.745504][ T1895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 673.755562][ T1895] Call Trace: 23:37:42 executing program 0: r0 = socket(0xa, 0x1, 0x0) ioctl$VIDIOC_S_CTRL(0xffffffffffffffff, 0xc008561c, &(0x7f0000000040)={0x0, 0x40}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer2\x00', 0x231e03, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000000)={0x2, 'tunl0\x00\x00\x00\x00\x1e\x00', 0x80}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 673.758857][ T1895] dump_stack+0x1fb/0x318 [ 673.763369][ T1895] should_fail+0x555/0x770 [ 673.767786][ T1895] __should_failslab+0x11a/0x160 [ 673.772732][ T1895] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 673.778452][ T1895] should_failslab+0x9/0x20 [ 673.782950][ T1895] __kmalloc+0x7a/0x340 [ 673.787100][ T1895] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 673.792817][ T1895] tomoyo_realpath_from_path+0xdc/0x7c0 [ 673.798370][ T1895] tomoyo_path_perm+0x192/0x850 [ 673.803221][ T1895] ? ovl_lookup+0x4a0/0x1c70 [ 673.807832][ T1895] tomoyo_path_unlink+0x8f/0xb0 [ 673.812682][ T1895] security_path_unlink+0xe9/0x160 [ 673.817790][ T1895] do_unlinkat+0x2f7/0x7a0 [ 673.822199][ T1895] __x64_sys_unlink+0x49/0x50 [ 673.826853][ T1895] do_syscall_64+0xf7/0x1c0 [ 673.831398][ T1895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 673.837297][ T1895] RIP: 0033:0x45a219 [ 673.841167][ T1895] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 23:37:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file0\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 673.860751][ T1895] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 673.869150][ T1895] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 673.877110][ T1895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 673.885061][ T1895] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 673.893027][ T1895] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 673.900976][ T1895] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:42 executing program 1 (fault-call:6 fault-nth:18): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:42 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000006c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 673.915240][ T1895] ERROR: Out of memory at tomoyo_realpath_from_path. 23:37:42 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010b070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 674.062549][ T1908] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 674.096140][ T1916] FAULT_INJECTION: forcing a failure. [ 674.096140][ T1916] name failslab, interval 1, probability 0, space 0, times 0 [ 674.137362][ T1916] CPU: 1 PID: 1916 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 674.145133][ T1916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 674.155293][ T1916] Call Trace: [ 674.158583][ T1916] dump_stack+0x1fb/0x318 [ 674.162921][ T1916] should_fail+0x555/0x770 [ 674.167344][ T1916] __should_failslab+0x11a/0x160 [ 674.172289][ T1916] should_failslab+0x9/0x20 [ 674.176792][ T1916] kmem_cache_alloc_trace+0x5d/0x2f0 [ 674.182075][ T1916] ? smack_d_instantiate+0xabf/0xd70 23:37:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='/\x00~WMz\x0f0\x80\x90\"\xcf\xde&U]\xc9\xec\xfe\x19t@n\xe8\xd3\x83dx-c\xb6a(T\xb2\xe4\x9d\xbd\xca\xefq\x81\x97\xe3~\x87\n0\x8b\x1e\t\x00\x00\x00\x88\xa4H\xce\x98]\x92\agm0%\xef\x93>Q\x82\x8a\xb6u\x06N*\xdb\xe9\x12d#\xb4\x9cm\xb2\xf1`\xd4\x9c\xb6\xcc\xe7l\'(\x9aO\x9d\n\xd8\x1e\xd8\xda2NDcq\xef\x1eu\tsT\xaa\xa5\x86\r#\x83\xdf\x87Rk\xaa\x18M\x90\xbbw)6l\x17\xbc3\xd7e\xe9\xbc/\x88*\x13\xf3\xa9\xc1\xf6\x06`\xbdO\xd2\xfa1\xd2\xc0\xa7u$\"\x89\xeb\x8e\x14\x03w\xaao\xb3\x17\x00\xf18\xdcM~\b\xd5|(*g\xdeZu\xc5G\x1f\x81\x00\x00\x00\x00\x00\x00\x00\x9bS\x98\x17\xdb\xa7\x7fK\x93\xcf\xe7-\x19\\I\x1f\xb6\'d\xfce\x92\xe0m\xd0\xa7\xf6:\xbb\xd4\xc6\xe3/_\xa1\x9fnM\xc0t\xd8$\xfc|i\x80@\xc7\xe8\xb2q6\xfa\xd5~b\x89B\xb4i\xeeGh\\\x94\"\xbf\xc1\x99*Lv\xa4\xa3\x91&\xd2\x14\x02\xb9g-*\xa0\xf8\x9b\x04,\xa8\x98%-\x1e%\xf8L\x01\xbe\x87\xd4\x8c\x9d\x9c\r9\xfb#\x1d\xd7\xc0\xe6E\x81\x16c\xeaN\xb8\xfb\x06\xd2\x01\a\xc7\x9e\xb1\x85Xu\xc9v\xe5X\xe6\xe3\xf3\x16\xc4\x88\x03%M3\xec=c\x84\xeb\xc2\xb0\x87\xfdb\xa9\xa4\xe6\xd8\xe5\xeaq/\x1e\xbcW\xec+\xa3f\x9a\x91Tr\xe0N\\\xc5\xb8\x91\xbb\xa5a\xc7OzWcr\xdd\xeb2\xa8\xd2=7}\'B\xcb\xcb\x97\xb7\x99\x03\x85z\xb1\xb4\x84\xd8,\xb4{\x80\xec7\x96\f\x03~\x9b\xfa_0\x82\xc4\xaaD\xa2\x8cU\x96\xa66\xa5\xf4\xeb\xc2\xe3=P\xee\xee\xe2o\xa6\xa2\xbf\x9b\xa2\v\xb9\x9ewi\x94\x1a\xf2\x98\x19\x18\xfdR\xed:\x10-\xaeJ\x92{KA\xda|\xabl|\xfe\xaaKK\xb2:', 0x0, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x2, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) r3 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r4, r3, r4}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) write$binfmt_script(r2, &(0x7f00000002c0)=ANY=[@ANYRES32, @ANYRESDEC=r4], 0xfffffffffffffe25) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$sock_bt_bnep_BNEPGETCONNINFO(r0, 0x800442d3, &(0x7f0000000100)={0x7, 0x4, 0x7f, @dev={[], 0x13}, 'erspan0\x00'}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 674.187449][ T1916] smack_d_instantiate+0xabf/0xd70 [ 674.192691][ T1916] security_d_instantiate+0xa5/0x100 [ 674.197980][ T1916] d_splice_alias+0x74/0x610 [ 674.202567][ T1916] ? trace_kfree+0xb2/0x110 [ 674.207070][ T1916] ? ovl_lookup+0x177e/0x1c70 [ 674.211746][ T1916] ovl_lookup+0x1789/0x1c70 [ 674.216275][ T1916] ? ovl_lookup+0x4a0/0x1c70 [ 674.220893][ T1916] __lookup_hash+0x141/0x290 [ 674.225484][ T1916] do_unlinkat+0x1b4/0x7a0 [ 674.229912][ T1916] __x64_sys_unlink+0x49/0x50 [ 674.234588][ T1916] do_syscall_64+0xf7/0x1c0 [ 674.239091][ T1916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 674.244994][ T1916] RIP: 0033:0x45a219 [ 674.248880][ T1916] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 674.268487][ T1916] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 674.276903][ T1916] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 674.284876][ T1916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 674.292845][ T1916] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 674.300816][ T1916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 674.308789][ T1916] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 674.351295][ T1920] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 674.412951][ T1920] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 674.436563][ T1920] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:43 executing program 1 (fault-call:6 fault-nth:19): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 674.480554][ T1920] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:43 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000740001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:43 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff0f}}, 0x1c) [ 674.526339][ T1929] BFS-fs: bfs_fill_super(): loop4 is unclean, continuing [ 674.570245][ T1929] BFS-fs: bfs_fill_super(): Last block not available on loop4: 6660461 [ 674.707126][ T1920] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 674.792041][ T1920] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:43 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) syz_mount_image$xfs(&(0x7f0000000040)='xfs\x00', &(0x7f0000000080)='./file0\x00', 0x5, 0x2, &(0x7f00000002c0)=[{&(0x7f00000000c0)="9ac1b36b16e89a7abd27f25e4641a6b03138c19fb72c7c6df5cb9559c35bad2c7177d8f050ad3c12e742482e92ae88c8816720a44eb7d520f288d41a57147ab66fad7fc36e3734683ad6098a7bb3f9fb368cf137759ed9d0355ffeacf2ededbac1126c140136f05d02353832823bce79bc1ed3b6d2fe0789c5cc71f5e875509d08c870270c5cfdbbd55a485f8dac3f2b1745662e2464e9495a95d2b9fb04fd9b8d6de14cbeff9e30c213cbf90e5026c39e3b2eba483b5b8d78fc3bab7aeaf86029fd", 0xc2, 0x7f}, {&(0x7f00000001c0)="56e3b891203afc7cbab0ce3048c664cead1672113956a8f4962f776482528336515d5d94b6a9292f0f46f9d86ddcf343f10cc3c4eaaa75806255af2b4fa3957a2cc3e7b8fb9b101f1a84f1a8cfd3a258659dddd8179717a61c367d497a2f7896a70d62bfd8aa28b2bd2f667688b1a6542a4d8d8b79456b51a7ae6118a58ce14f06eff30ebd2d68e3d977072d7837ee63d92d2477dcacbd141d1c3291cdadf6416fa4f45b00a7112a6ad91bd3b89fdeb0ab7c6d3104fdff91999265df502df335ec3e8b5c06bf1e99e6434d14497c4fe34887", 0xd2, 0xe047}], 0x1, &(0x7f0000000380)=ANY=[@ANYBLOB="757372251af11a612c696b6565702c6d7470742c73756e69743d3078c53dff732b5436f150981329e9787b303030303030303030303030303062622c636f6e746578743d757365725f752c00"]) [ 674.865071][ T1956] FAULT_INJECTION: forcing a failure. [ 674.865071][ T1956] name failslab, interval 1, probability 0, space 0, times 0 [ 674.897424][ T1920] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 674.919024][ T1920] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 674.945636][ T1956] CPU: 1 PID: 1956 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 674.953389][ T1956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 674.963439][ T1956] Call Trace: [ 674.966734][ T1956] dump_stack+0x1fb/0x318 [ 674.971058][ T1956] should_fail+0x555/0x770 [ 674.975466][ T1956] __should_failslab+0x11a/0x160 [ 674.980387][ T1956] ? tomoyo_encode2+0x273/0x5a0 [ 674.985218][ T1956] should_failslab+0x9/0x20 [ 674.989710][ T1956] __kmalloc+0x7a/0x340 [ 674.993844][ T1956] tomoyo_encode2+0x273/0x5a0 [ 674.998512][ T1956] tomoyo_realpath_from_path+0x769/0x7c0 [ 675.004128][ T1956] tomoyo_path_perm+0x192/0x850 [ 675.008957][ T1956] ? ovl_lookup+0x4a0/0x1c70 [ 675.013544][ T1956] tomoyo_path_unlink+0x8f/0xb0 [ 675.018372][ T1956] security_path_unlink+0xe9/0x160 [ 675.023458][ T1956] do_unlinkat+0x2f7/0x7a0 [ 675.027858][ T1956] __x64_sys_unlink+0x49/0x50 [ 675.032513][ T1956] do_syscall_64+0xf7/0x1c0 [ 675.036994][ T1956] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 675.042873][ T1956] RIP: 0033:0x45a219 [ 675.046745][ T1956] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 675.066326][ T1956] RSP: 002b:00007fac864f2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 675.074731][ T1956] RAX: ffffffffffffffda RBX: 00007fac864f2c90 RCX: 000000000045a219 [ 675.082681][ T1956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 675.090628][ T1956] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 675.098577][ T1956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac864f36d4 [ 675.106530][ T1956] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:43 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000007a0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 675.208119][ T1956] ERROR: Out of memory at tomoyo_realpath_from_path. 23:37:44 executing program 1 (fault-call:6 fault-nth:20): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:44 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010c070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 675.328702][ T1961] XFS (loop0): unknown mount option [usr%ña]. 23:37:44 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff1f}}, 0x1c) 23:37:44 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000fff0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 675.545870][ T1975] FAULT_INJECTION: forcing a failure. [ 675.545870][ T1975] name failslab, interval 1, probability 0, space 0, times 0 [ 675.618204][ T1975] CPU: 0 PID: 1975 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 675.625949][ T1975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.636000][ T1975] Call Trace: [ 675.639295][ T1975] dump_stack+0x1fb/0x318 [ 675.643627][ T1975] should_fail+0x555/0x770 [ 675.648045][ T1975] __should_failslab+0x11a/0x160 [ 675.653069][ T1975] ? tomoyo_encode2+0x273/0x5a0 [ 675.657926][ T1975] should_failslab+0x9/0x20 [ 675.662429][ T1975] __kmalloc+0x7a/0x340 [ 675.666588][ T1975] tomoyo_encode2+0x273/0x5a0 [ 675.671264][ T1975] tomoyo_realpath_from_path+0x769/0x7c0 [ 675.671293][ T1975] tomoyo_path_perm+0x192/0x850 [ 675.671309][ T1975] ? ovl_lookup+0x4a0/0x1c70 [ 675.671365][ T1975] tomoyo_path_unlink+0x8f/0xb0 [ 675.681786][ T1975] security_path_unlink+0xe9/0x160 [ 675.696299][ T1975] do_unlinkat+0x2f7/0x7a0 [ 675.700722][ T1975] __x64_sys_unlink+0x49/0x50 [ 675.705390][ T1975] do_syscall_64+0xf7/0x1c0 [ 675.709879][ T1975] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 675.715747][ T1975] RIP: 0033:0x45a219 [ 675.719623][ T1975] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 675.739290][ T1975] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 675.747674][ T1975] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 675.755624][ T1975] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 23:37:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 675.763570][ T1975] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 675.771515][ T1975] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 675.779461][ T1975] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 675.899498][ T1987] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 675.911640][ T1987] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 675.959017][ T1996] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 675.973549][ T1987] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 675.988282][ T1987] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:44 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) r2 = geteuid() getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in6=@mcast2, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@ipv4={[], [], @multicast2}}}, &(0x7f0000000180)=0xe8) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, 0xffffffffffffffff, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000001c0)={{{@in=@multicast2, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@empty}, 0x0, @in6=@ipv4={[], [], @loopback}}}, &(0x7f00000002c0)=0xe8) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r6) r7 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r7, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r8) r9 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r9, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r10) r11 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r11, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r12) r13 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r13, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r14) r15 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r15, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r16) r17 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r17, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r18) getgroups(0x2, &(0x7f0000000300)=[0xee00, 0xee00]) r20 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r20, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r21]) r22 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r22, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0xffffffffffffffff, r23, 0x0) r24 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r24, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r25]) r26 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r26, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0xffffffffffffffff, r27, 0x0) getgroups(0x5, &(0x7f0000000340)=[r21, r23, 0xee00, r25, r27]) fstat(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000400), &(0x7f0000000440)=0x0, &(0x7f0000000480)) r31 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r31, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0xffffffffffffffff, r32, 0x0) r33 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r33, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r34]) stat(&(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r36 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r36, 0x10c, 0x5, &(0x7f0000000000), 0x4) getsockopt$sock_cred(r36, 0x1, 0x11, &(0x7f0000000580)={0x0, 0x0, 0x0}, &(0x7f00000005c0)=0xc) fsetxattr$system_posix_acl(r1, &(0x7f0000000040)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x2}, [{0x2, 0x6, r2}, {0x2, 0x1, r3}, {0x2, 0x0, r4}, {0x2, 0x5, r6}, {0x2, 0x8, r8}, {0x2, 0x6, r10}, {0x2, 0x3, r12}, {0x2, 0x7, r14}, {0x2, 0x4, r16}, {0x2, 0x3, r18}], {0x4, 0x2}, [{0x8, 0x1, r19}, {0x8, 0x2, r28}, {0x8, 0x2, r29}, {0x8, 0x1, r30}, {0x8, 0x5, r32}, {0x8, 0x1, r34}, {0x8, 0x2, r35}, {0x8, 0x0, r37}], {}, {0x20, 0x1}}, 0xb4, 0x0) 23:37:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f07002f8175732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) pipe(&(0x7f0000000100)={0xffffffffffffffff}) write(r0, &(0x7f0000000340)="e1b36ced200a24640bebd32a8839ea2039f92bad88e5e967fdab4b92966b6e6fbf358215b58a4480aa8ded5025b0881599d5663b8db7a7778cc38111b03da9fe7f78a9ed7bf7e73f83269e7d34092dfffe21dbfadede19ea9ea78ebb075627f250a09ce31378766906ad72bcf84f337256dfc9bd4bb66d8e0584324331b4de40bcef1b890529e34e51a7d819178e481b65457f8e4bd88c7d339640770ddf88", 0x9f) creat(&(0x7f0000000140)='./file0\x00', 0xa7) prctl$PR_SET_KEEPCAPS(0x8, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 676.100440][ T1987] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 676.122952][ T1987] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 676.159040][ T1975] ERROR: Out of memory at tomoyo_realpath_from_path. [ 676.180437][ T1987] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:44 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000002004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 676.205119][ T1987] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:45 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) getresuid(&(0x7f0000000140), &(0x7f0000000180)=0x0, &(0x7f00000001c0)) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) getsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f0000000200)={{{@in=@remote, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@dev}}, &(0x7f0000000300)=0xe8) r5 = getuid() r6 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r7) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='9p\x00', 0x40800, &(0x7f0000000340)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@access_uid={'access', 0x3d, r2}}, {@access_user='access=user'}, {@cache_none='cache=none'}, {@noextend='noextend'}, {@fscache='fscache'}, {@noextend='noextend'}, {@version_u='version=9p2000.u'}], [{@appraise='appraise'}, {@dont_hash='dont_hash'}, {@fowner_gt={'fowner>', r4}}, {@func={'func', 0x3d, 'MODULE_CHECK'}}, {@euid_lt={'euid<', r5}}, {@euid_lt={'euid<', r7}}, {@fsname={'fsname', 0x3d, 'eth1'}}]}}) r8 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r8, 0x8916, &(0x7f00000000c0)="054d06822851d2a379a227360f0a21ff67bb522cd9f718d0270156b24037a0c83b96f8813349a17b819df81690cdd22bd55f775d4942b669f67cc37ca0267447ed8c657281c4ce37f7860e0240218b858d11cb4c22ce7a23353bbebef4b5f094873ae8e3bde95ceac96ae0ad04f7b6d70068fecae5d15a75") 23:37:45 executing program 1 (fault-call:6 fault-nth:21): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 676.314204][ T2008] overlayfs: unrecognized mount option "lo" or missing value [ 676.325951][ T2008] overlayfs: unrecognized mount option "lo" or missing value 23:37:45 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000380)='/dev/hwrng\x00', 0x101, 0x0) r3 = bpf$OBJ_GET_PROG(0x7, &(0x7f0000000440)={&(0x7f00000003c0)='./file0/file0\x00', 0x0, 0x10}, 0x2cc) ioctl$TUNSETSTEERINGEBPF(r2, 0x800454e0, &(0x7f0000000480)=r3) fcntl$getownex(r0, 0x10, &(0x7f0000000340)) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) sendfile(r0, r1, &(0x7f00000002c0)=0x80000000, 0x1f) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000100)={0x80000000, 0xe27848f1bf0c6816, {0x2, 0x7fd593b831d5eee6, 0x7, 0x2, 0x63}}) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:45 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010d070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:45 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff3f}}, 0x1c) [ 676.458519][ T2016] FAULT_INJECTION: forcing a failure. [ 676.458519][ T2016] name failslab, interval 1, probability 0, space 0, times 0 [ 676.523538][ T2016] CPU: 0 PID: 2016 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 676.531464][ T2016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 676.531490][ T2016] Call Trace: [ 676.531506][ T2016] dump_stack+0x1fb/0x318 [ 676.531523][ T2016] should_fail+0x555/0x770 [ 676.549181][ T2016] __should_failslab+0x11a/0x160 [ 676.558498][ T2016] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 676.564214][ T2016] should_failslab+0x9/0x20 [ 676.568758][ T2016] __kmalloc+0x7a/0x340 [ 676.568771][ T2016] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 676.568782][ T2016] tomoyo_realpath_from_path+0xdc/0x7c0 [ 676.568798][ T2016] tomoyo_path_perm+0x192/0x850 [ 676.568836][ T2016] tomoyo_inode_getattr+0x1c/0x20 [ 676.568846][ T2016] security_inode_getattr+0xd5/0x150 [ 676.568859][ T2016] vfs_getattr+0x2a/0x6d0 [ 676.568874][ T2016] ovl_copy_up_flags+0x343/0x2a20 [ 676.568933][ T2016] ? preempt_count_add+0x69/0x160 [ 676.578767][ T2016] ? __mnt_want_write+0x207/0x280 [ 676.578781][ T2016] ovl_copy_up+0x17/0x20 [ 676.578791][ T2016] ovl_nlink_start+0x32f/0x5b0 [ 676.578805][ T2016] ovl_do_remove+0x194/0xab0 [ 676.578824][ T2016] ovl_unlink+0x17/0x20 [ 676.578834][ T2016] vfs_unlink+0x237/0x580 [ 676.578854][ T2016] do_unlinkat+0x36c/0x7a0 [ 676.645256][ T2016] __x64_sys_unlink+0x49/0x50 [ 676.649935][ T2016] do_syscall_64+0xf7/0x1c0 [ 676.654443][ T2016] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.660336][ T2016] RIP: 0033:0x45a219 [ 676.664233][ T2016] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 676.683839][ T2016] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 676.692265][ T2016] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 676.700240][ T2016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 676.708215][ T2016] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 676.716190][ T2016] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 676.724169][ T2016] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 676.758154][ T2016] ERROR: Out of memory at tomoyo_realpath_from_path. [ 676.803090][ T2029] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 676.830869][ T2029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 676.852538][ T2029] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 676.873842][ T2029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:45 executing program 1 (fault-call:6 fault-nth:22): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:45 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000003004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 677.049032][ T2029] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 677.086493][ T2029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 677.124913][ T2029] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 677.146186][ T2029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:46 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010e070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:46 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$PPPIOCGFLAGS(r0, 0x8004745a, &(0x7f0000000040)) r1 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r1, 0x8916, &(0x7f0000000000)) 23:37:46 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000004004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 677.434976][ T2060] FAULT_INJECTION: forcing a failure. [ 677.434976][ T2060] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 677.448208][ T2060] CPU: 0 PID: 2060 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 677.455926][ T2060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.466004][ T2060] Call Trace: [ 677.469304][ T2060] dump_stack+0x1fb/0x318 [ 677.473637][ T2060] should_fail+0x555/0x770 [ 677.478061][ T2060] should_fail_alloc_page+0x55/0x60 [ 677.483260][ T2060] prepare_alloc_pages+0x283/0x460 [ 677.488459][ T2060] __alloc_pages_nodemask+0xb2/0x5d0 [ 677.493755][ T2060] ? __kasan_check_read+0x11/0x20 [ 677.498794][ T2060] kmem_getpages+0x4d/0xa00 [ 677.503294][ T2060] cache_grow_begin+0x7e/0x2c0 [ 677.508063][ T2060] cache_alloc_refill+0x311/0x3f0 [ 677.513081][ T2060] ? check_preemption_disabled+0xb7/0x2a0 [ 677.518803][ T2060] __kmalloc+0x318/0x340 [ 677.523040][ T2060] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 677.528759][ T2060] tomoyo_realpath_from_path+0xdc/0x7c0 23:37:46 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) mount(&(0x7f00000002c0)=@filename='./file1\x00', &(0x7f0000000340)='./bus\x00', &(0x7f0000000380)='dax\x00', 0x800038, &(0x7f00000003c0)='overlay\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000100)=0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) kcmp(r1, r2, 0x2, r3, r0) [ 677.534305][ T2060] tomoyo_path_perm+0x192/0x850 [ 677.539183][ T2060] tomoyo_inode_getattr+0x1c/0x20 [ 677.544203][ T2060] security_inode_getattr+0xd5/0x150 [ 677.549488][ T2060] vfs_getattr+0x2a/0x6d0 [ 677.553825][ T2060] ovl_copy_up_flags+0x343/0x2a20 [ 677.558885][ T2060] ? preempt_count_add+0x69/0x160 [ 677.563909][ T2060] ? __mnt_want_write+0x207/0x280 [ 677.568940][ T2060] ovl_copy_up+0x17/0x20 [ 677.573187][ T2060] ovl_nlink_start+0x32f/0x5b0 [ 677.577954][ T2060] ovl_do_remove+0x194/0xab0 [ 677.582559][ T2060] ovl_unlink+0x17/0x20 [ 677.586711][ T2060] vfs_unlink+0x237/0x580 [ 677.591037][ T2060] do_unlinkat+0x36c/0x7a0 [ 677.595434][ T2060] __x64_sys_unlink+0x49/0x50 [ 677.600090][ T2060] do_syscall_64+0xf7/0x1c0 [ 677.604578][ T2060] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 677.610446][ T2060] RIP: 0033:0x45a219 [ 677.614325][ T2060] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 23:37:46 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff7f}}, 0x1c) 23:37:46 executing program 1 (fault-call:6 fault-nth:23): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 677.634089][ T2060] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 677.642480][ T2060] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 677.650431][ T2060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 677.658383][ T2060] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 677.666371][ T2060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 677.674322][ T2060] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 [ 677.731804][ T2061] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 677.826825][ T2061] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:46 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000005004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 677.907058][ T2061] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 677.919170][ T2083] FAULT_INJECTION: forcing a failure. [ 677.919170][ T2083] name failslab, interval 1, probability 0, space 0, times 0 [ 677.948128][ T2061] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 677.965897][ T2083] CPU: 0 PID: 2083 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 677.973636][ T2083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 677.983868][ T2083] Call Trace: [ 677.987162][ T2083] dump_stack+0x1fb/0x318 [ 677.991507][ T2083] should_fail+0x555/0x770 [ 677.995933][ T2083] __should_failslab+0x11a/0x160 [ 678.000871][ T2083] should_failslab+0x9/0x20 [ 678.005375][ T2083] kmem_cache_alloc_trace+0x5d/0x2f0 [ 678.010659][ T2083] ? ovl_encode_real_fh+0x87/0x380 [ 678.015773][ T2083] ovl_encode_real_fh+0x87/0x380 [ 678.020719][ T2083] ovl_get_index_name+0x22/0x1a0 [ 678.025691][ T2083] ovl_copy_up_flags+0xc0a/0x2a20 [ 678.030769][ T2083] ? preempt_count_add+0x69/0x160 [ 678.035796][ T2083] ? __mnt_want_write+0x207/0x280 [ 678.040821][ T2083] ovl_copy_up+0x17/0x20 [ 678.045059][ T2083] ovl_nlink_start+0x32f/0x5b0 [ 678.049828][ T2083] ovl_do_remove+0x194/0xab0 [ 678.054424][ T2083] ovl_unlink+0x17/0x20 [ 678.058573][ T2083] vfs_unlink+0x237/0x580 [ 678.062903][ T2083] do_unlinkat+0x36c/0x7a0 [ 678.067325][ T2083] __x64_sys_unlink+0x49/0x50 [ 678.072003][ T2083] do_syscall_64+0xf7/0x1c0 [ 678.076512][ T2083] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.082398][ T2083] RIP: 0033:0x45a219 [ 678.086289][ T2083] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 678.105887][ T2083] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 678.114304][ T2083] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 678.122278][ T2083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 678.130255][ T2083] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 678.138228][ T2083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 678.146296][ T2083] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:46 executing program 1 (fault-call:6 fault-nth:24): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:47 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010f070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:47 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000b004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 678.422973][ T2103] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 678.435058][ T2100] FAULT_INJECTION: forcing a failure. [ 678.435058][ T2100] name failslab, interval 1, probability 0, space 0, times 0 [ 678.449649][ T2103] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 678.468261][ T2100] CPU: 0 PID: 2100 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 678.468395][ T2103] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 678.475995][ T2100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 678.476000][ T2100] Call Trace: [ 678.476018][ T2100] dump_stack+0x1fb/0x318 [ 678.476035][ T2100] should_fail+0x555/0x770 [ 678.476053][ T2100] __should_failslab+0x11a/0x160 [ 678.476069][ T2100] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 678.498071][ T2103] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 678.500351][ T2100] should_failslab+0x9/0x20 [ 678.500363][ T2100] __kmalloc+0x7a/0x340 [ 678.500376][ T2100] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 678.500387][ T2100] tomoyo_realpath_from_path+0xdc/0x7c0 [ 678.543516][ T2100] tomoyo_path_perm+0x192/0x850 [ 678.557261][ T2100] tomoyo_inode_getattr+0x1c/0x20 [ 678.562285][ T2100] security_inode_getattr+0xd5/0x150 [ 678.567573][ T2100] vfs_getattr+0x2a/0x6d0 [ 678.571901][ T2100] ? ovl_copy_up_flags+0x4f5/0x2a20 [ 678.577112][ T2100] ovl_copy_up_flags+0x50f/0x2a20 [ 678.582184][ T2100] ? preempt_count_add+0x69/0x160 [ 678.587210][ T2100] ? __mnt_want_write+0x207/0x280 [ 678.592235][ T2100] ovl_copy_up+0x17/0x20 [ 678.596476][ T2100] ovl_nlink_start+0x32f/0x5b0 [ 678.601243][ T2100] ovl_do_remove+0x194/0xab0 [ 678.605835][ T2100] ovl_unlink+0x17/0x20 [ 678.609987][ T2100] vfs_unlink+0x237/0x580 [ 678.614319][ T2100] do_unlinkat+0x36c/0x7a0 [ 678.618745][ T2100] __x64_sys_unlink+0x49/0x50 [ 678.623421][ T2100] do_syscall_64+0xf7/0x1c0 [ 678.627923][ T2100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 678.633817][ T2100] RIP: 0033:0x45a219 [ 678.637704][ T2100] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 678.657392][ T2100] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:47 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffbc}}, 0x1c) [ 678.667190][ T2100] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 678.675165][ T2100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 678.683132][ T2100] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 678.691098][ T2100] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 678.699117][ T2100] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:47 executing program 1 (fault-call:6 fault-nth:25): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 678.723079][ T2100] ERROR: Out of memory at tomoyo_realpath_from_path. 23:37:47 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0}) setfsuid(r3) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) dup3(r1, r2, 0x100000) [ 678.816019][ T2103] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 678.873674][ T2103] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 678.916434][ T2103] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 678.980576][ T2103] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 679.010110][ T2122] FAULT_INJECTION: forcing a failure. [ 679.010110][ T2122] name failslab, interval 1, probability 0, space 0, times 0 23:37:47 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) setsockopt$inet6_udp_encap(r0, 0x11, 0x64, &(0x7f0000000100)=0x3, 0x4) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 679.043528][ T2122] CPU: 0 PID: 2122 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 679.051272][ T2122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 679.061318][ T2122] Call Trace: [ 679.064595][ T2122] dump_stack+0x1fb/0x318 [ 679.069080][ T2122] should_fail+0x555/0x770 [ 679.073476][ T2122] __should_failslab+0x11a/0x160 [ 679.078389][ T2122] ? kcalloc+0x2f/0x50 [ 679.082439][ T2122] should_failslab+0x9/0x20 [ 679.086935][ T2122] __kmalloc+0x7a/0x340 [ 679.091066][ T2122] ? ovl_encode_real_fh+0x265/0x380 [ 679.096238][ T2122] kcalloc+0x2f/0x50 [ 679.100198][ T2122] ovl_get_index_name+0x6c/0x1a0 [ 679.105110][ T2122] ovl_copy_up_flags+0xc0a/0x2a20 [ 679.110151][ T2122] ? preempt_count_add+0x69/0x160 [ 679.115159][ T2122] ? __mnt_want_write+0x207/0x280 [ 679.120159][ T2122] ovl_copy_up+0x17/0x20 [ 679.124375][ T2122] ovl_nlink_start+0x32f/0x5b0 [ 679.129117][ T2122] ovl_do_remove+0x194/0xab0 [ 679.133689][ T2122] ovl_unlink+0x17/0x20 [ 679.137818][ T2122] vfs_unlink+0x237/0x580 [ 679.142126][ T2122] do_unlinkat+0x36c/0x7a0 [ 679.146520][ T2122] __x64_sys_unlink+0x49/0x50 [ 679.151177][ T2122] do_syscall_64+0xf7/0x1c0 [ 679.155657][ T2122] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 679.161535][ T2122] RIP: 0033:0x45a219 [ 679.165407][ T2122] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 679.184997][ T2122] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 23:37:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000c004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 679.193380][ T2122] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 679.201327][ T2122] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 [ 679.209272][ T2122] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 679.217216][ T2122] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 679.225160][ T2122] R13: 00000000004c6aaf R14: 00000000004e20e8 R15: 0000000000000004 23:37:48 executing program 1 (fault-call:6 fault-nth:26): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:48 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20110070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 679.459428][ T2136] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:48 executing program 4: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$FICLONE(r0, 0x40049409, r1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r2 = syz_open_dev$cec(&(0x7f0000000100)='/dev/cec#\x00', 0x3, 0x2) openat$cgroup_ro(r2, &(0x7f0000000140)='cpuacct.usage_percpu_user\x00', 0x0, 0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000d004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 679.615782][ T2149] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:48 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1ffff}}, 0x1c) [ 679.659154][ T2149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 679.700450][ T2149] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 679.707191][ T2149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:48 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20111070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0xc) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-monitor\x00', 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000140)={0xb, 0x8, 0x1, 0x1ff, 0x2, r0, 0x8, [], 0x0, 0xffffffffffffffff, 0x3, 0x2}, 0x3c) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 680.047376][ T2176] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 680.094168][ T2176] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:48 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) socket(0x4, 0xa, 0x6f) r1 = open(&(0x7f0000000040)='./file0\x00', 0x80000, 0x118) ioctl$sock_x25_SIOCDELRT(r1, 0x890c, &(0x7f0000000080)={@null=' \x00', 0xd, 'bpq0\x00'}) [ 680.138367][ T2176] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 680.147351][ T2176] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:49 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000001f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 680.224928][ T2176] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 680.243701][ T2176] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 680.310061][ T2176] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 680.356469][ T2176] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 680.412616][ T2190] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:49 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20112070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f0000000400)='o\x84e\xfd\x00', 0x10, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:49 executing program 0: r0 = socket(0x18, 0x4, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, '\xe8\xfdz_tu\xe4\xaee>C\x1b4k\x00', 0x20005}, 0x18) r1 = shmget$private(0x0, 0x1000, 0x800, &(0x7f0000ffc000/0x1000)=nil) shmctl$IPC_STAT(r1, 0x2, &(0x7f0000000040)=""/4096) socket(0xcc3a9c4703d873ff, 0xb, 0xbd) r2 = socket$inet_sctp(0x2, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000001080)=[@in6={0xa, 0x4e22, 0x80000000, @initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x3}, @in6={0xa, 0x4e20, 0x100, @empty, 0x7}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0xe}}, @in6={0xa, 0x4e21, 0xa0, @loopback, 0x8}], 0x64) ioctl(r0, 0x8916, &(0x7f0000000000)) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) ioctl$SIOCGSTAMPNS(r3, 0x8907, &(0x7f0000001040)) [ 680.658054][ T2213] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 680.667070][ T2213] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 680.678423][ T2213] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 680.697703][ T2213] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:49 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_ADD(r0, 0x4c80, r1) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:49 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000ffffff1f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:49 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3ffff}}, 0x1c) 23:37:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = syz_open_dev$vcsa(&(0x7f0000000100)='/dev/vcsa#\x00', 0x1f, 0x80) ioctl$FIONREAD(r0, 0x541b, &(0x7f0000000140)) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:49 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20114070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 681.098296][ T2242] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 681.129286][ T2242] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 681.157680][ T2242] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 681.166544][ T2249] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 681.175293][ T2242] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) connect$inet(r0, &(0x7f0000000100)={0x2, 0x4e20, @empty}, 0x10) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 681.305381][ T2242] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 681.334277][ T2242] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:50 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000020004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 681.363458][ T2242] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 681.373696][ T2242] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:50 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x9, &(0x7f0000000000)) 23:37:50 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20125070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 681.643260][ T2272] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 681.671190][ T2272] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:50 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000025004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 681.698415][ T2272] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 681.706454][ T2272] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:50 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000040)="f237df4a6609c58643d517e325293f64e710fd65d3354f3f1cf5f90956a0ddae2f1f719cda1ad1eaf85a67109a18f43b5f93a0aba7ab8f83d8da881719aa49ec791a10f440c534e031682a5195c18caf431fbd1e8866394309372c4d08fad563ff58e31dc09c8d768952e49f90b61db9fa773a2cfc2f963aca1a4d8fb1d2bb34d0a685cfc89e5c01590c07d562063ee361fdd416f0c38a7ca823e5e193ce174f66d8b93d9854a14fb013e7398a73b4f43dbe8692e6938b909f4eb4a63b6fdf7b8a287ebe35dcd6c0eee7f125c20b2b138c3c12457d539b920b74de") getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000002c0)={{{@in=@broadcast, @in=@remote}}, {{@in=@local}}}, &(0x7f00000003c0)=0xe8) getuid() syz_mount_image$vfat(&(0x7f0000000140)='vfat\x00', &(0x7f0000000180)='./file0\x00', 0x6, 0x1, &(0x7f0000000280)=[{&(0x7f00000001c0)="8c9dd0f4389051daddeb94cdacadd91fb1806f7f617a586ecef451838d339b29787444a5385bedbbf4c4f3d46157b3ca52af1b2f848b8ee34e02a9ead4724b043ac2df8e563023c0700821e6e885c28fc69376c28dfef24ebd502c22bba00462d04da5549fe7f0fdcf1dc6c2bf13d34ed225b2a5cebaf5491dcf786d9436a10c26143b611e80250fe885b2b157f01eb5b1bb188c163ef88d40d79da8bf96f555c23376f377b6d7dc09a83e3d72dae7f525802fca38c6870f", 0xb8, 0x5}], 0x20000, &(0x7f0000000500)={[{@shortname_lower='shortname=lower'}, {@shortname_win95='shortname=win95'}]}) 23:37:50 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7ffff}}, 0x1c) [ 681.887889][ T2272] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 681.909874][ T2272] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 681.979081][ T2272] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 682.011072][ T2272] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000003f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:51 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$VHOST_SET_MEM_TABLE(r1, 0x4008af03, &(0x7f00000010c0)={0x3, 0x0, [{0x4, 0x1000, &(0x7f0000000040)=""/4096}, {0x0, 0x1e, &(0x7f0000001040)=""/30}, {0x800, 0xb, &(0x7f0000001080)=""/11}]}) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:51 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20148070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:51 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000540)={[{@mode={'mode', 0x3d, 0xb96}}, {@mode={'mode', 0x3d, 0x2}}], [{@obj_user={'obj_user', 0x3d, '(\xbf]\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@uid_gt={'uid>', r2}}, {@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@fsname={'fsname', 0x3d, 'overlay\x00'}}, {@dont_appraise='dont_appraise'}, {@audit='audit'}, {@uid_gt={'uid>'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) [ 682.393335][ T2312] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 682.413994][ T2312] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:51 executing program 1: mkdir(&(0x7f0000000140)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 682.437911][ T2312] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 682.457312][ T2312] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000040004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 682.605188][ T2328] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:51 executing program 1: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) sched_getaffinity(r0, 0x8, &(0x7f0000000100)) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') ioctl$SG_GET_SG_TABLESIZE(0xffffffffffffffff, 0x227f, &(0x7f0000000140)) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 682.651844][ T2312] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 682.686132][ T2338] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 682.712597][ T2312] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 682.749298][ T2312] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 682.757545][ T2312] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:51 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = geteuid() stat(&(0x7f00000002c0)='./bus/file0\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lchown(&(0x7f0000000140)='./bus/file0\x00', r0, r1) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d4472e02e2f6275732c776f726b6469723d2e6469723d2e2f66696c653000"/50]) unlink(&(0x7f0000000080)='./file0\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:51 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfffff}}, 0x1c) 23:37:51 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2014c070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000397004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:51 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="6c6f7765726469723d2e32754dff65c369cc6b644f723d2e2f66696c65312c75707065726469723d2e2f66696c6530cc0fe4d215da1b612c88bc0b2f87f3f19cc7a2251a784c58953a3d716a0fbd5131ad9d24cf8d4909f5ab569d3233a354927aa32d35a4f5d45deccc1ddeeee5"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 683.075920][ T2364] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 683.080668][ T2366] overlayfs: unrecognized mount option "ˆ¼ /‡óñœÇ¢%xLX•:=qj½Q1­$ÏI õ«V23£T’z£-5¤õÔ]ìÌÞîå" or missing value [ 683.103548][ T2367] overlayfs: option "workdir=.dir=./file0" is useless in a non-upper mount, ignore [ 683.114543][ T2364] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:51 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) prctl$PR_SET_SECUREBITS(0x1c, 0xc) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 683.138103][ T2367] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 683.152431][ T2364] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 683.175143][ T2373] overlayfs: option "workdir=.dir=./file0" is useless in a non-upper mount, ignore 23:37:51 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) symlink(&(0x7f0000000140)='./file2\x00', &(0x7f00000001c0)='./file0\x00') mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r1 = perf_event_open$cgroup(&(0x7f0000000340)={0x2, 0x70, 0x8, 0x1, 0x2, 0x6, 0x0, 0x80, 0xc0, 0x2, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000100), 0x14}, 0x2c120, 0x3, 0x518, 0x3, 0x6, 0x72ddc897, 0x6}, 0xffffffffffffffff, 0x8, r0, 0x2) ioctl$EXT4_IOC_ALLOC_DA_BLKS(r1, 0x660c) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') ioctl$LOOP_SET_STATUS64(0xffffffffffffffff, 0x4c04, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x7fff, 0x2, 0x0, 0x5, 0x1d, 0x4, "8f66179f2295f367329fbda62f61704a8ca36523f3fdae40851f4748b204393a404cfdcbfa4893fa9b4cc9d543638140ec8446bbbd063db124502d48bdb71b7a", "60fe20f8f9aa59ee3dd16c7d9c45166abaecdf649d9cc2651a9e34c38a6ae63b8c58271cff6652c29317ade402df2d21b3ec29445d48150d39ae699060f2cc73", "476e90f4dc79dd983ae89d95fcd5b9aa159206b549df5dda4b79a30f10ac7cde", [0x3, 0x2]}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$FS_IOC_GET_ENCRYPTION_KEY_STATUS(r2, 0xc080661a, &(0x7f0000000540)={{0x1, 0x0, @descriptor="d774d0552bd4ae25"}}) 23:37:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75935cd99bd2385f6a90b26da4256369787065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 683.190277][ T2364] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 683.215224][ T2373] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:37:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000007ffffff9004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:52 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2015c070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:52 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(r0, 0x0, 0x48c, &(0x7f0000000080)={0x1, '\x83ridge_sl`ve_\xb1\x00', 0x4}, 0x18) syz_extract_tcp_res(&(0x7f0000000000), 0x20, 0x0) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 683.369975][ T2387] overlayfs: unrecognized mount option "u“\Ù›Ò8_j²m¤%cixperdir=./file0" or missing value [ 683.394435][ T2388] overlayfs: failed to resolve './file0': -2 23:37:52 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000100)='./bus/file1\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 683.415524][ T2388] overlayfs: failed to resolve './file0': -2 [ 683.417312][ T2387] overlayfs: unrecognized mount option "u“\Ù›Ò8_j²m¤%cixperdir=./file0" or missing value [ 683.507495][ T2397] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:52 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) ioctl$SIOCX25GDTEFACILITIES(r0, 0x89ea, &(0x7f0000000140)) r1 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r1, 0x8916, &(0x7f0000000000)) setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x2d, &(0x7f0000000040)={0xfffffff7, {{0x2, 0x4e24, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0x88) recvfrom$rxrpc(r1, &(0x7f0000000100)=""/50, 0x32, 0x10000, 0x0, 0x0) [ 683.562062][ T2397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 683.582073][ T2397] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 683.589671][ T2397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 683.736124][ T2397] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 683.760899][ T2397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:52 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x100000}}, 0x1c) 23:37:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$NS_GET_OWNER_UID(r0, 0xb704, &(0x7f00000004c0)=0x0) fstat(0xffffffffffffffff, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setresgid(0xffffffffffffffff, r4, 0x0) stat(&(0x7f0000000500)='./bus/file0\x00', &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r6 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r6, 0x10c, 0x5, &(0x7f0000000000), 0x4) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000740)={0x0, 0x0, 0x0}, &(0x7f0000000780)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000007c0)={0x0, 0x0, 0x0}, &(0x7f0000000800)=0xc) r9 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r9, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r10]) r11 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r11, 0x10c, 0x5, &(0x7f0000000000), 0x4) fstat(r11, &(0x7f0000000840)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setxattr$system_posix_acl(&(0x7f0000000440)='./file1\x00', &(0x7f0000000480)='system.posix_acl_default\x00', &(0x7f00000008c0)=ANY=[@ANYBLOB="02000000010404000000000002000100", @ANYRES32=r1, @ANYBLOB="040002000000000008000200", @ANYRES32=r2, @ANYBLOB="08000200", @ANYRES32=r4, @ANYBLOB="08000e4a", @ANYRES32=r5, @ANYBLOB="08000400", @ANYRES32=r7, @ANYBLOB="08000400", @ANYRES32=0x0, @ANYBLOB="08000500", @ANYRES32=r8, @ANYBLOB="0800cf74", @ANYRES32=r10, @ANYBLOB="08000300", @ANYRES32=r12, @ANYBLOB="10000600000000002000020000000000"], 0x6c, 0x2) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r13 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') lsetxattr$security_smack_transmute(&(0x7f00000002c0)='./file1\x00', &(0x7f0000000300)='security.SMACK64TRANSMUTE\x00', &(0x7f0000000340)='TRUE', 0x4, 0x2) mount$overlay(0x400000, &(0x7f0000000980)='./bus/file0\x00', &(0x7f0000000400)='overlay\x00', 0x2000, &(0x7f0000000440)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') ioctl$TIOCSRS485(0xffffffffffffffff, 0x542f, &(0x7f0000000100)={0x3, 0x100, 0x3}) chroot(&(0x7f0000000140)='./bus/file0\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r14 = syz_genetlink_get_family_id$ipvs(&(0x7f00000003c0)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r13, &(0x7f0000000600)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="80eac7d0", @ANYRES16=r14, @ANYBLOB="000226bd7000fbdbdf25110000004800030008000500ac1414aa080007004e240000080008003f000000080008000100000008000800200000000800010002000000140002006772657461703000000000000000000008000600040000001c000300080001000000000008000300000000000800080008000000"], 0x80}, 0x1, 0x0, 0x0, 0x4001}, 0x800) 23:37:52 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') accept4(r0, &(0x7f0000000100)=@ethernet={0x0, @broadcast}, &(0x7f00000001c0)=0x80, 0x80000) 23:37:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000007fffffff004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 683.794459][ T2397] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 683.814872][ T2397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:52 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20160070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 683.938317][ T2428] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:52 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000700)='./bus/file0/file0\x00', 0x141) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) lsetxattr(&(0x7f0000000100)='./file2\x00', &(0x7f0000000140)=@random={'system.', 'overlay\x00'}, &(0x7f00000001c0)='\x00', 0x1, 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000680)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530b8957b87a83b6a9abee551335455b3118db1f0d37f5d24e24961302911cdd73d3cfa31b3367d1853"]) unlink(&(0x7f0000000080)='./bus/file1\x00') mount$9p_tcp(&(0x7f00000002c0)='127.0.0.1\x00', &(0x7f0000000340)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x80421, &(0x7f0000000580)={'trans=tcp,', {'port', 0x3d, 0x4e22}, 0x2c, {[{@access_any='access=any'}, {@msize={'msize', 0x3d, 0x40}}, {@msize={'msize', 0x3d, 0x8}}, {@cache_fscache='cache=fscache'}, {@access_client='access=client'}, {@msize={'msize', 0x3d, 0xb326}}, {@cache_mmap='cache=mmap'}], [{@appraise_type='appraise_type=imasig'}, {@pcr={'pcr', 0x3d, 0x3e}}]}}) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/qat_adf_ctl\x00', 0x0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r1, 0xc004ae02, &(0x7f0000000180)={0x4, [0x0, 0x0, 0x0, 0x0]}) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f0000000440)={0x0, @in6={{0xa, 0x4e20, 0x1, @mcast2, 0xa6}}, 0x200, 0x83b}, &(0x7f0000000500)=0x90) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000540)={r2, 0x1000}, 0x8) 23:37:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$9p_rdma(&(0x7f0000000140)='127.0.0.1\x00', &(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)='9p\x00', 0x10, &(0x7f0000000340)={'trans=rdma,', {'port', 0x3d, 0x4e21}, 0x2c, {[{@timeout={'timeout', 0x3d, 0x9c9}}, {@common=@cache_mmap='cache=mmap'}], [{@smackfsroot={'smackfsroot', 0x3d, '{\x81>'}}]}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275731d592c776f726b6469723d2e2f66696c65302c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 684.110228][ T2444] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 684.138397][ T2444] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000020001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 684.175591][ T2444] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 684.184587][ T2448] overlayfs: workdir and upperdir must be separate subtrees [ 684.219203][ T2444] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 684.252056][ T2454] overlayfs: workdir and upperdir must be separate subtrees 23:37:53 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726a6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530db0ef029f5570afc39a8b36f7e6be68df9f690eb69c2094f7ea66d6930606531af2b12beaf918f1b1db0adc5b598f521d9aa4fbe432037839fe0375de3ba9239a8348ee0c3d1a9859e00"/131]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 684.321088][ T2444] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 684.358353][ T2444] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:53 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20168070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 684.381570][ T2444] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 684.397617][ T2444] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 684.469051][ T2465] overlayfs: unrecognized mount option "worjdir=./file1" or missing value [ 684.493839][ T2465] overlayfs: unrecognized mount option "worjdir=./file1" or missing value 23:37:53 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ioctl$DRM_IOCTL_RM_MAP(r0, 0x4028641b, &(0x7f0000000100)={&(0x7f0000ffb000/0x2000)=nil, 0x5, 0x7, 0x10, &(0x7f0000ffd000/0x2000)=nil, 0x5}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r1, 0x408c5333, &(0x7f0000000340)={0x3f, 0x5, 0x9, 'queue0\x00', 0xffff}) [ 684.617783][ T2474] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 684.630930][ T2474] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 684.670590][ T2474] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 684.703048][ T2474] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:53 executing program 0: r0 = socket(0xa, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$BLKTRACESTART(r1, 0x1274, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:53 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000030001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:53 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1fffff}}, 0x1c) 23:37:53 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2016c070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 685.039963][ T2499] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 685.065900][ T2499] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:53 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000040001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 685.098154][ T2499] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 685.119891][ T2499] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 685.200435][ T2499] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 685.226786][ T2499] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 685.254377][ T2499] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 685.278175][ T2499] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:54 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20174070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x1) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000001a00)='./file0\x00', 0x80) r0 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000100)={r1, 0x1, 0x2, @local}, 0x10) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000080)={r1, 0x1, 0x6, @broadcast}, 0x17) r2 = socket(0x100000000011, 0x2, 0x0) bind(r2, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r2, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f0000000000)={r3, 0x1, 0x2, @remote}, 0x10) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r4 = syz_open_dev$sndpcmp(&(0x7f0000000140)='/dev/snd/pcmC#D#p\x00', 0x6, 0x100) r5 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) ioctl$sock_netrom_SIOCDELRT(r5, 0x8915, 0x0) ioctl$sock_inet6_udp_SIOCINQ(r4, 0x541b, &(0x7f00000001c0)) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='\x00\x00\x00\x00\x1f\x00', 0x1000000, &(0x7f0000001a40)=ANY=[@ANYBLOB="6c6f04000000000000002f6275732c7746882e2f66696c67312c757070657264697207002f66696c6530000000000020148fb98330ed24303e5ef5dd7a23a6245504000800210d5b2c16f67e2d4b0d2b33b9b79c9033a5387af7c15fa2cfe6240c6f9408605c01daec6185ff4a6ed0e25114a32909551810f14f6c1696ca953287900ac09509f84eeb73fcbb05f51136768df92e440581c33c4a1216b30eb11a7f9e74907467148d283cc87dfd5d105fccef75f778714a668e9a7b8113469087f132091d56ef77e8f147de1cb002b2194c7c000000000000000000725de3b1e1d98508a37e5c7e53d8e4c4d63f512818c260a1397556d702916b6056adcb1cfc19e928873c7da14663b5784ea71f3c75849a9b212b03c03d0d3d234088fca17653b3c052ea2671dd2e93a49171e4ca74beaa278ac8b9b16785815ac292b8bc836e201256ecf934810a3fc4182f5dc7ba7b6c88f6adb98442bdb79e82635f3a34f3ceded142a985ce4e296f274e801d13648d12cd5da25e82"]) openat$vnet(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhost-net\x00', 0x2, 0x0) recvmsg$can_raw(r4, &(0x7f0000001880)={&(0x7f0000000340)=@tipc=@id, 0x80, &(0x7f0000001700)=[{&(0x7f0000000440)=""/212, 0xd4}, {&(0x7f0000000540)=""/94, 0x5e}, {&(0x7f00000005c0)=""/178, 0xb2}, {&(0x7f0000000680)=""/70, 0x46}, {&(0x7f00000002c0)=""/45, 0x2d}, {&(0x7f0000000700)=""/4096, 0x1000}, {&(0x7f00000003c0)=""/62, 0x3e}], 0x7, &(0x7f0000001780)=""/205, 0xcd}, 0x2160) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:54 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000050001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 685.511191][ T2519] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 685.528237][ T2519] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 685.572650][ T2519] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 685.595864][ T2530] device lo entered promiscuous mode [ 685.601519][ T2519] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:54 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3fffff}}, 0x1c) [ 685.684109][ T2525] device lo left promiscuous mode 23:37:54 executing program 0: socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl(r0, 0x6, &(0x7f0000000000)) [ 685.796753][ T2519] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 685.819897][ T2530] device lo entered promiscuous mode [ 685.830896][ T2519] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:54 executing program 4: mkdir(&(0x7f0000000100)='./bus/file1\x00', 0x8) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:54 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000060001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 685.845898][ T2525] device lo left promiscuous mode [ 685.885151][ T2519] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 685.900481][ T2519] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:54 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2017a070009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:54 executing program 1: mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x13f) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000240)='./file0\x00', &(0x7f0000000400)='overlay\x00', 0x110200, &(0x7f0000000600)=ANY=[@ANYRESOCT=r0, @ANYBLOB="af719d495d08f460aa", @ANYPTR=&(0x7f00000003c0)=ANY=[@ANYRESHEX, @ANYRESHEX=r1, @ANYPTR=&(0x7f0000000440)=ANY=[@ANYBLOB="24a20a8150db6ec1d367e48e3b885331d1c19c86dd3637b72c72217e6caee37950dcc7439c3912a83f7cd77b91e4854be454219328ae161d", @ANYPTR, @ANYRESHEX=0x0]], @ANYRESHEX=r1, @ANYBLOB="2d233f508a9734196e6eaf06dde235a8e727f85603d1fe58e7e63d49b33829fa0919eb8ae0aa52999c9659d7f3e268de98265967f5302d7e802f0898e0a6ce6094c4f8097457ce431eb880669311ddd32d90e4c3a523d94260345b3005db3821e4f240f28e6a0d412555f878f5b809bd9453c48c62f567073cd1b7e68f29f2a35098159272c53171397c5e9a8aaee4b54d407b3a2abc032d49858b28294f1f97e670a2454bb014fa36e5a90d53ecb68bab449401525e7e7fdad5bfe53d747b719dc72504fc97056e748627e18db402e16f1b50", @ANYBLOB="b05ca140cc90f79fc9278d236c3462bdb49271301c383df0c595a5a5b9ae0a18ee28059ed8c735e26aff22db7bc04ef9c8cb8a5663ee85d3b691e3244d1dcd71ff7e4cf5da5ad100958019df3427fbe4c6c33e6ba2c49153e05379143d852e72da2c901f1a305b2ddf77ed9d250194b5ac016102e968908a964943853a60a5471ea5bbe50259f6b4761c56c48e495afba3741fd8fb36e8ec987695192006daa1a67a457af55c048c1f48c2c483d532707b55cf707ffada836856ee84e2808f2da778ac77df66c7a6b6bc"]) unlink(&(0x7f00000001c0)='./bus/file0\x00') r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) utimensat(r3, &(0x7f0000000080)='./file0/file0\x00', &(0x7f0000000100)={{0x0, 0x7530}, {0x0, 0x7530}}, 0x100) [ 685.993096][ T2559] overlayfs: failed to resolve './file1': -2 [ 686.098564][ T2559] overlayfs: failed to resolve './file1': -2 23:37:54 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000340)='./file2\x00', 0x80) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 686.163996][ T2573] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 686.185855][ T2573] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000070001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 686.242958][ T2573] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 686.260486][ T2573] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x40, &(0x7f0000000340)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c65726469723d2e2f66696c6530b38b526e154b8a26a6e157d40eb391bf498c2c0dff07b5bbb8f3d7857147c9f88d486e9db35cac36653b76f57d1e40a8c548341f58ea2fdd4c6f8ecec0ad3c9365d3ecd30cd3a3c8ea9f6318f0ca4cd7af8c2939fe3db780b26e86bc128bcddd2c15cfc4bc86ae802b1639"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 686.416508][ T2588] overlayfs: unrecognized mount option "erdir=./file0³‹RnKŠ&¦áWÔ³‘¿IŒ" or missing value [ 686.464445][ T2573] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 686.488226][ T2573] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 686.494407][ T2588] overlayfs: unrecognized mount option "erdir=./file0³‹RnKŠ&¦áWÔ³‘¿IŒ" or missing value 23:37:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) rmdir(&(0x7f0000000280)='./bus/file0\x00') mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000140)='./file1/file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000100)) [ 686.525567][ T2573] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 686.550720][ T2573] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:55 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100400009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:55 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7fffff}}, 0x1c) [ 686.642974][ T2599] overlayfs: failed to resolve './file0': -2 23:37:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000080001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 686.740246][ T2604] overlayfs: failed to resolve './file0': -2 [ 686.818611][ T2614] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:55 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, &(0x7f0000000040)={0x3f, 0x8001, 0x0, 0x4, 0x6, 0x6, 0x3, 0xfff, 0x0}, &(0x7f0000000080)=0x20) setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, &(0x7f00000000c0)={r1, @in6={{0xa, 0x4e20, 0x0, @remote, 0x6}}, 0x2, 0xfffe}, 0x90) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469523d2e2f6275edfd0000726b6469723d2e2f66696c65317c00000065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 686.918212][ T2614] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 686.932290][ T2614] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 686.953040][ T2614] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 686.982093][ T2624] overlayfs: unrecognized mount option "lowerdiR=./buíý" or missing value [ 687.002093][ T2624] overlayfs: unrecognized mount option "lowerdiR=./buíý" or missing value [ 687.042598][ T2614] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 687.059736][ T2614] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f77657264f7ffffff2f6275732c776f726b6469723d2e2f66696c65312c707065726469723d2e2f66696c653000"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = accept4$ax25(r0, &(0x7f0000000100)={{0x3, @bcast}, [@rose, @remote, @bcast, @bcast, @rose, @bcast, @null, @netrom]}, &(0x7f00000002c0)=0x48, 0x180000) recvfrom(r1, &(0x7f0000000340)=""/176, 0xb0, 0x130, &(0x7f0000000440)=@l2={0x1f, 0x2, {0x3f, 0x1, 0xc4, 0x6, 0x6, 0x1}, 0x2, 0x9}, 0x80) 23:37:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000090001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 687.094514][ T2614] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 687.129543][ T2614] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:55 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x0, &(0x7f0000000440)='./file2\x00', &(0x7f0000000480)='overlay\x00', 0x406, &(0x7f00000004c0)={[{@lowerdir={'lowerdir', 0x3d, './file0'}}], [{@smackfstransmute={'smackfstransmute', 0x3d, 'TIPC\x00'}}]}) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x800005, 0x8010, r0, 0xaf442000) mkdirat(r0, &(0x7f0000000100)='./bus\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/net/pfkey\x00', 0x10000, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000002c0)='TIPC\x00') sendmsg$TIPC_CMD_GET_NETID(r1, &(0x7f00000003c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x8400008}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r2, 0x380, 0x70bd27, 0x25dfdbfd, {}, ["", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x20009010}, 0x4000000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e6972f82e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:55 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010fe00009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 687.182562][ T2635] overlayfs: unrecognized mount option "lowerd÷ÿÿÿ/bus" or missing value 23:37:56 executing program 0: r0 = socket(0x5, 0x800, 0x2) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = semget(0x3, 0x4, 0x1e0) semctl$SETVAL(r1, 0x4, 0x10, &(0x7f0000000040)=0x1) [ 687.367553][ T2651] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 687.406278][ T2651] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 687.414923][ T2651] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 687.421901][ T2651] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:56 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff}}, 0x1c) 23:37:56 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) openat$capi20(0xffffffffffffff9c, &(0x7f0000000040)='/dev/capi20\x00', 0x0, 0x0) ioctl(r0, 0x8916, &(0x7f0000000000)) [ 687.531917][ T2665] overlayfs: option "workdir=.irø./file0" is useless in a non-upper mount, ignore [ 687.550548][ T2651] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 687.600429][ T2651] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 687.618432][ T2665] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 687.657347][ T2651] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 687.668159][ T2651] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:56 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000a0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:56 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$sock_inet_SIOCGIFBRDADDR(r1, 0x8919, &(0x7f0000000040)={'bridge_slave_0\x00', {0x2, 0x4e22, @broadcast}}) ioctl(r0, 0x8916, &(0x7f0000000000)) 23:37:56 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100030009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 687.935011][ T2691] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 687.948216][ T2691] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 687.973998][ T2691] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 687.998465][ T2691] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:56 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000000)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) r2 = creat(&(0x7f0000000100)='./file0\x00', 0x41) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r4 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r5, r4, r5}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r6 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r7 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r7, r6, r7}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) write$binfmt_script(r3, &(0x7f0000000540)=ANY=[@ANYRES32=r5, @ANYRESOCT=r7], 0x1b) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r8) r9 = socket(0x40000000015, 0x5, 0x0) close(r9) r10 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r10, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r10, 0x0) ioctl$DRM_IOCTL_MODE_SETCRTC(r10, 0xc06864a2, &(0x7f0000000300)={&(0x7f00000002c0)=[0x8, 0x10001, 0x7ff, 0x69, 0x1000, 0x1, 0x9], 0x7, 0x8001, 0x0, 0xa8da, 0xffff2182, 0x81, {0x5, 0xf1, 0x5, 0x3, 0xffff, 0x7fff, 0x0, 0x0, 0x2, 0xcb0d, 0x3, 0x0, 0x2, 0xffff, "300c0fe709358ff498fa2f127ee9f97ed74566a9e32d363b47a135f499c08ebf"}}) r11 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$bt_BT_SNDMTU(r8, 0x112, 0xc, &(0x7f0000000240)=0x7f, &(0x7f0000000280)=0x2) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r11, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r11, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r9, 0x84, 0x66, &(0x7f0000000000)={r12}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r8, 0x84, 0x11, &(0x7f0000000140)={r12}, &(0x7f0000000180)=0x10) r13 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r13, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r13, 0x0) ioctl$FICLONE(r13, 0x40049409, r8) getsockopt$inet_sctp_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000140)={r12, 0xfffffff8}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f00000001c0)=@assoc_id=r14, &(0x7f0000000200)=0x4) ioctl$PPPIOCDISCONN(r1, 0x7439) r15 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x400, 0x0) ioctl$KVM_GET_DIRTY_LOG(r15, 0x4010ae42, &(0x7f0000000080)={0x1fd, 0x0, &(0x7f0000ffa000/0x3000)=nil}) [ 688.148254][ T2703] overlayfs: option "workdir=.irø./file0" is useless in a non-upper mount, ignore 23:37:56 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f00000002c0)='./file0\x00', 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) getsockname(r0, &(0x7f0000000100)=@hci, &(0x7f00000001c0)=0x80) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$KVM_GET_EMULATED_CPUID(r1, 0xc008ae09, &(0x7f0000000300)=""/254) unlink(&(0x7f0000000040)='./bus/file0\x00') [ 688.194591][ T2703] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 688.218956][ T2691] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000b0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 688.247400][ T2691] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 688.297052][ T2691] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 688.315239][ T2691] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100060009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 688.363364][ T2718] overlayfs: missing 'lowerdir' [ 688.423411][ T2726] QAT: Invalid ioctl [ 688.503289][ T2732] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 688.516140][ T2732] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 688.528906][ T2732] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) rename(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='./bus/file0\x00') link(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000200)='./file0\x00') r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000300)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r2, 0x4400ae8f, &(0x7f0000002840)={"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"}) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000000c0)={0x2, 0x0, @ioapic={0x0, 0x0, 0x0, 0x1ff, 0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x9, 0x0, [], 0xff}]}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:57 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1000000}}, 0x1c) 23:37:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 688.564755][ T2732] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 688.664983][ T2732] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 688.691259][ T2732] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 688.719331][ T2732] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 688.756583][ T2732] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100080009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 688.874824][ T2752] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 688.918624][ T2753] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 688.926651][ T2753] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 688.943472][ T2753] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:37:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000100)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000d0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 688.971880][ T2753] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100e00f09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 689.269897][ T2773] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 689.308033][ T2773] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 689.325776][ T2773] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 689.343407][ T2773] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:58 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000e0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 689.371941][ T2779] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:58 executing program 0: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STOPDAEMON(0xffffffffffffffff, 0x0, 0x48c, &(0x7f0000000080)={0x0, 'syz_tun\x00', 0x20005}, 0x18) ioctl(r0, 0x8916, &(0x7f0000000000)) r1 = socket$inet(0x2, 0x6, 0x1f) setsockopt$IP_VS_SO_SET_STOPDAEMON(r1, 0x0, 0x48c, &(0x7f0000000040)={0x0, 'bcsf0\x00', 0x4}, 0x18) 23:37:58 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1ffffff}}, 0x1c) 23:37:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7705006469723d2e2f62757301006fa96b6465726469723d2e2f66696c452500"/47]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:58 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776469723d2e2f66696ce3d2679843a2e865312c757070659e0d69723d2e2f66696c6530000000"]) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000000), 0x4) write$binfmt_misc(r0, &(0x7f00000002c0)={'syz0', "769fedd3dd2afd07e9ed5770e3ff73c041979397e814bf2988c4e0bc2ff0978536480abde2cd9b67f3ac213514ba4c5ce11d349186d52081ea79d999d39438bd9c2206b0497b323d4f70167f1e242f1fbe3a0f1508942880f3d1a47b8607c6ba6807222bb703e0404a37efed2e1be749de0c6d52704463aff6cc03a5e19c10a48ca130dae7bbe1ff6aea88398749401a0f14474d7263a27a2585c9f64009b148df492d1a0b90e9717130431ff4a80d520df2919840cd5f9f9ba8c63339a62038372e63b89e428547362d30c8ccba5ba773737db666385fb25e440033fd10a98747e1"}, 0xe6) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:58 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070003000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 689.601551][ T2803] overlayfs: unrecognized mount option "wdir=./filãÒg˜C¢èe1" or missing value 23:37:58 executing program 0: [ 689.654221][ T2799] overlayfs: unrecognized mount option "low" or missing value [ 689.674568][ T2803] overlayfs: unrecognized mount option "wdir=./filãÒg˜C¢èe1" or missing value 23:37:58 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000100001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 689.734879][ T2816] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:37:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 689.787450][ T2816] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:37:58 executing program 0: 23:37:58 executing program 4: mkdir(&(0x7f0000000140)='./file2\x00', 0x50) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000100)='/dev/vcs#\x00', 0x10000, 0x1a100) ioctl$RTC_IRQP_READ(r0, 0x8008700b, &(0x7f0000000240)) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c65302ee36a96e7a2"]) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000340)='/dev/cachefiles\x00', 0x341540, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) r3 = socket(0x40000000015, 0x5, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r4, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r3, 0x84, 0x66, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x11, &(0x7f0000000140)={r5}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp6_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000001440)={0x0, 0x401, 0xabe5, 0x7, 0x48, 0x4, 0x40, 0xffffffff, {r5, @in6={{0xa, 0x4e23, 0xab4f, @dev={0xfe, 0x80, [], 0x24}, 0x96}}, 0x0, 0xda5, 0x9, 0xde39, 0x85}}, &(0x7f0000000380)=0xb0) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f00000003c0)={r6, 0x2}, 0x8) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') listxattr(&(0x7f0000000300)='./file1\x00', &(0x7f0000000440)=""/4096, 0x1000) [ 689.841665][ T2816] F2FS-fs (loop3): Invalid log sectorsize (3) [ 689.873969][ T2816] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:58 executing program 0: [ 689.945342][ T2829] overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off. [ 689.964565][ T2833] overlayfs: failed to resolve './file0.ãj–ç¢': -2 [ 689.981027][ T2837] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:37:58 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000110001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707064726469723d2e2f66696c6530e131a7e348cc8e1a0821c16e1ae009f0bebbb6e5449f743b2de91a00b4d2d44c2f3d43a26f26ef61e882bef4c1c8282017c21d113c7e83f6998e02c0d206c90c1f8ad32239e6a5a201"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 689.992853][ T2833] overlayfs: failed to resolve './file0.ãj–ç¢': -2 [ 690.149473][ T2845] overlayfs: unrecognized mount option "uppdrdir=./file0á1§ãHÌŽ!Ánà 𾻶åDŸt;-é" or missing value [ 690.166782][ T2845] overlayfs: unrecognized mount option "uppdrdir=./file0á1§ãHÌŽ!Ánà 𾻶åDŸt;-é" or missing value 23:37:59 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x2000000}}, 0x1c) 23:37:59 executing program 0: 23:37:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275b71cbaa0e6dc4e241ccc0454733f006469723d2e2f665f6c65312c75097065726669"]) unlink(&(0x7f0000000080)='./bus/file1\x00') prctl$PR_SET_TSC(0x1a, 0x2) setxattr$security_capability(&(0x7f0000000100)='./bus/file1\x00', &(0x7f0000000140)='security.capability\x00', &(0x7f00000002c0)=@v2={0x2000000, [{0x3, 0x7ff}, {0x8, 0x9}]}, 0x14, 0x52acb29db39aed07) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:37:59 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070005000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:37:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) syz_mount_image$vfat(&(0x7f0000000980)='vfat\x00', &(0x7f00000009c0)='./bus/file1\x00', 0xffffffff, 0x6, &(0x7f0000000fc0)=[{&(0x7f0000000a00)="081615db8f8c22c7c8590abae4fcb29d54b57ccbb0d1dda94fb4607fb664895f94b29efaa389cff19339cca5fb2f058d2300283bb4a6964c14fbc09de8d04247990cac1082889b5e68ac346119d9f3cd241294ba8c5db6711e180651d034bfc058c45899e2d9db35dc9c474663ca19433bf28a54322db9fe3e94455df300d0ac468c808f97a0e48b0d58140e1a8bff5a4b9bc002ab53136e6c2fbbbe9aa6d2ffcee6ed82b4d0d69ea59e515c93b34657c5c6b409db7ff8630612f6553b91d9f9fb108027cb8e5fed3bd2797774ef22cbaa49fc76537f8ac558c6d23277a073136f30955e492267fcbdad7288c517", 0xee, 0x400}, {&(0x7f0000000b00)="8d95d1500ca08f685d1c1ad892ae8d56b754ce619ae09daf29b87f6e976aac032b33efeb1ad0f0dda28d1892c98c6b54b3b40c0022bf5c43bf7567a3e4046d81af1442cb8b5029f9d59df2770c4f9e67edae594d85fdb4fed2dc45a2788439490e197741fd88d49eb9f33184f2d06d8e5e5467e5946bd855812e72a4618aa194911a", 0x82, 0x8000}, {&(0x7f0000000bc0)="c45ea1616bfca0aeba34bedc838fa10755a9afae63029c49d69705b319121a1e608a0ecbdee691a61560619c972732ee63d953d1f289bb1f8826f0bed88e5921c1aa2856aa4e5d159e982e9d9c80bddf48a911eb1e03031b348731017413eab6792f959a9091a61569069c783cf7e59de6f89728a3c7c3659107508ca964d00c159ff877f14ce078d66660edeaef0e45411a8dd7ccc396de0af8cddd84135f580c12f120007e65d70b83f12183393980625aab370d4eb7c9eb6bf750af16c7f0c88dc99fd22bc23de343b7c50b7baeb8f6379fa0e83647dab395c0c7a307e8f1203204a7001268243125f93a72f36f70", 0xf0, 0x3370}, {&(0x7f0000000cc0)="f538ea34cd6c48eb599228cbe7c637eb881ed7346b2b790537ad7ff7614ca30501231c9b4d17d7314b0ccbaed1abf070f8803e24afd9ece7c53cfdff97f7e594215cefeb8a8845b22f06cf250366ebf00a011381e375f3d8e254e9e3a3729199ff4ae20d3e6fdf4af6772b5c172a4f12315bc0afabb82482a909fdc062d403ad6e770bded3209ac86dc6486614c225bb97e36f2b8416f01ef1daf85fd6ce11f83ae6e5008e6d0ca8ecc5079610567fe7f0a82f5c5ccf5f927be65844370982236434f269cfdfac7d1233cbfc2a52b1828679909ac23080b04c2d68fd124a84d31f222796874aa4c5f6583d04a874943370f05b8657888bde07", 0xf9, 0x807}, {&(0x7f0000000dc0)="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", 0xff, 0x1}, {&(0x7f0000000ec0)="86380b0dd73023991016806e5ce4c1ae661995d67fcff7a7527c9e1a647b118897cce44eda2adc6c600c74c0e3181b00a36c368cdaa710fa0abcf18270c943118dc24a7415c86d370321e46dde6457715336444b802558f7d4d757ced8d76d786f8b09b799a9719a7b72b02fbf474e02c3d656e441dd3290392a38013a196b9b78a7e520231f28826a6825b7fc1d8c2b5e8f319bbb5756fb34823482875fa3738a1c85cdda2bbde5a7a72006e007219bb223db808e09fcf876c8e2352882756ff24ce04c19a9b8dc1cb23e9dfa0e0e0320cdef42b1ec14726b3bedb1ea90e3", 0xdf, 0x81}], 0x1802014, &(0x7f0000001080)={[{@uni_xlateno='uni_xlate=0'}, {@shortname_lower='shortname=lower'}, {@utf8no='utf8=0'}, {@rodir='rodir'}, {@uni_xlateno='uni_xlate=0'}, {@uni_xlateno='uni_xlate=0'}, {@numtail='nonumtail=0'}, {@uni_xlateno='uni_xlate=0'}, {@shortname_mixed='shortname=mixed'}], [{@smackfsdef={'smackfsdef', 0x3d, 'trusted.syz\x00'}}]}) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f62f5732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) recvmsg$can_j1939(r0, &(0x7f0000000940)={&(0x7f0000000440)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}}}, 0x80, &(0x7f0000000880)=[{&(0x7f00000004c0)=""/151, 0x97}, {&(0x7f0000000580)=""/200, 0xc8}, {&(0x7f0000000680)=""/162, 0xa2}, {&(0x7f0000000740)=""/20, 0x14}, {&(0x7f0000000780)=""/213, 0xd5}], 0x5, &(0x7f0000000900)=""/8, 0x8}, 0x3474649b307aa40b) setxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000140)=@known='trusted.syz\x00', &(0x7f00000001c0)='overlay\x00', 0x8, 0x1) unlink(&(0x7f0000000080)='./bus/file1\x00') mount$overlay(0x0, &(0x7f00000002c0)='./bus/file1\x00', &(0x7f0000000340)='overlay\x00', 0x80, &(0x7f0000000380)=ANY=[@ANYBLOB="736d61636b66737472616e736d7574773d747275737465642e73797a002c66736d616769633d3078303030a72b303030303030303030303030342c636f6e000000003d73746166665f75"]) 23:37:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000120001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:37:59 executing program 0: [ 690.402156][ T2865] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 690.425790][ T2870] overlayfs: failed to resolve './bõs': -2 [ 690.435929][ T2862] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 690.436825][ T2865] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 690.502914][ T2865] F2FS-fs (loop3): Invalid log sectorsize (5) [ 690.514984][ T2862] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 690.542169][ T2883] overlayfs: failed to resolve './bõs': -2 23:37:59 executing program 0: 23:37:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x1b, 0x480000) ioctl$sock_rose_SIOCRSCLRRT(r0, 0x89e4) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x3c) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') bpf$OBJ_GET_MAP(0x7, &(0x7f0000000340)={&(0x7f00000002c0)='./bus/file1\x00', 0x0, 0x10}, 0x10) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e1466696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r1 = syz_open_dev$dmmidi(&(0x7f0000000100)='/dev/dmmidi#\x00', 0x8000, 0x121000) ioctl$LOOP_SET_STATUS64(r1, 0x4c04, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x8, 0x7, 0x0, 0x5, 0x14, 0x2f, "bf0d6b3e6e90e99170bb8a01e56df0ffda0d4cd417618f2e0433e1054cb910f154b6edc065a0bd13600ae0d2b1c0e1d2a81f47beff9a27ac14282cf3a49864d8", "84be522a142a252e4156a6056f87e8d60cfbbb678785997b61300ea4bc91e06bd6264269a7e02affad90abb98148835ad61cdbc93c12ec1218acc4e791560fd2", "82463711c5bbc820839818743318504ee85c5525d78a5a1d3e9fd472ffbe3d79", [0x6, 0xf6]}) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000380)='/dev/dsp\x00', 0x40c0, 0x0) getxattr(&(0x7f0000000540)='./file0\x00', &(0x7f0000000580)=@known='trusted.overlay.origin\x00', &(0x7f00000005c0)=""/49, 0x31) ioctl$PPPIOCCONNECT(r2, 0x4004743a, &(0x7f00000003c0)=0x3) [ 690.551710][ T2865] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:37:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:37:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66f7f57a6344e78802567138696c65312c75707065726469723d2e2f66696c6530"]) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) unshare(0x8000400) bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, {}, 0x7ff, 0x29}, 0xe) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 690.731740][ T2895] overlayfs: failed to resolve '.file0': -2 [ 690.745249][ T2900] overlayfs: failed to resolve '.file0': -2 [ 690.776438][ T2865] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 690.802916][ T2899] overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off. 23:37:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000250001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 690.824960][ T2865] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 690.844446][ T2903] overlayfs: failed to resolve './f÷õzcDçˆVq8ile1': -2 [ 690.862813][ T2865] F2FS-fs (loop3): Invalid log sectorsize (5) [ 690.883807][ T2865] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 690.899187][ T2903] overlayfs: failed to resolve './f÷õzcDçˆVq8ile1': -2 23:38:00 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3000000}}, 0x1c) 23:38:00 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000100)={0x3, 0x575, 0x9, 0x401, 0x8, 0x4, 0x9, 0x6, 0xd9, 0x7ff, 0x8, 0x7}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:00 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070006000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:00 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000100)='./file1\x00', 0x8e5679168d723325) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:00 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000480001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 691.354856][ T2937] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 691.396169][ T2942] overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off. [ 691.428237][ T2937] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 691.439017][ T2937] F2FS-fs (loop3): Invalid log sectorsize (6) [ 691.452442][ T2937] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:00 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="6c6f7765726469723dd7375bb78511ab534f2d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000440)={{{@in6=@loopback, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6=@dev}}, &(0x7f0000000140)=0xe8) r2 = getgid() r3 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r4]) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000340)=@nat={'nat\x00', 0x19, 0x6, 0x17e4, [0x20000540, 0x0, 0x0, 0x200007ec, 0x20000a30], 0x0, &(0x7f0000000100), &(0x7f0000003700)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000fcffffff02000000190000001500000000096e72300000000000000000000000000064756d6d7930000000000000000000007465616d5f736c6176655f310000000076657468300000000000000000000000aaaaaaaaaa0a00ff0000ff0000000000000000000000fe00ae000000ae000000e60000006f776e65720000000000000000000000000000000000000000000000000000001800000000000000", @ANYRES32=r1, @ANYRES32, @ANYRES32=r2, @ANYRES32=r4, @ANYBLOB="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"]}, 0x197a) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:00 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000004c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 691.592184][ T2937] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 691.627197][ T2960] overlayfs: failed to resolve '×7[·…«SO-./bus': -2 [ 691.639316][ T2937] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 691.653113][ T2937] F2FS-fs (loop3): Invalid log sectorsize (6) [ 691.715433][ T2937] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 691.744152][ T2965] overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off. 23:38:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) 23:38:00 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070007000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:00 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000005c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 691.996808][ T2980] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 692.005578][ T2980] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 692.017117][ T2979] overlayfs: fs on './bus' does not support file handles, falling back to index=off,nfs_export=off. [ 692.036897][ T2980] F2FS-fs (loop3): Invalid log sectorsize (7) [ 692.074789][ T2980] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:01 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3ffffff}}, 0x1c) [ 692.293281][ T2980] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 692.323031][ T2980] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 692.347478][ T2980] F2FS-fs (loop3): Invalid log sectorsize (7) [ 692.392423][ T2980] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') 23:38:01 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000680001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:01 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000100)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:01 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070209000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) [ 692.643821][ T3016] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 692.665333][ T3016] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:01 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6fcc307765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065090069723d2e2f66696c"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 692.694425][ T3016] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 692.713058][ T3016] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:01 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000006c0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:01 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 692.803090][ T3022] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:01 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070309000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 692.895371][ T3033] overlayfs: unrecognized mount option "loÌ0werdir=./bus" or missing value 23:38:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 692.985768][ T3033] overlayfs: unrecognized mount option "loÌ0werdir=./bus" or missing value [ 693.001197][ T3045] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 693.024947][ T3045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 693.047398][ T3040] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 693.076360][ T3045] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 693.102675][ T3045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 693.196384][ T3045] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:02 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x4000000}}, 0x1c) 23:38:02 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') mkdir(&(0x7f0000000100)='./file0\x00', 0x8) 23:38:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:02 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) getsockname$llc(r0, &(0x7f00000002c0), &(0x7f0000000380)=0xfffffffffffffe5a) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000740001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 693.244618][ T3045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 693.299736][ T3045] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000007a0001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 693.340379][ T3045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 693.357559][ T3073] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:02 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) setxattr$trusted_overlay_upper(&(0x7f0000000100)='./bus/file0\x00', &(0x7f0000000140)='trusted.overlay.upper\x00', &(0x7f0000000440)={0x0, 0xfb, 0xc3, 0x2, 0x1, "7c003a46096440d409975098f7f89c6c", "0cf0f6e87e80d748d081c810b79e37da9269c159b22a2f303e1af12b303b742494de966053a2c9d63a625a9e169a080deccaf95d580955be4d926c34e0ec4b1215c5f5d150286d4a01ca46522ab998b3f0c45650d66d92042da43cf22e2d5c820cc9ce5ea593baf322f1e7ae39f30961d943754dfc345db8ee9ed8b6eb829a37082665c2aa51691b21796eb54126672214197873e3ca76bd148bfb6ff7813c9b44d0ca64353e02842ab3d6262283"}, 0xc3, 0x3) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:02 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070409000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000040201004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 693.656362][ T3104] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 693.680721][ T3110] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 693.695411][ T3104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 693.715735][ T3104] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 693.723073][ T3104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 693.919263][ T3104] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 693.927027][ T3104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 693.962038][ T3104] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 693.971904][ T3104] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:02 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x5000000}}, 0x1c) 23:38:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:02 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000100)='./bus\x00', 0x80) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r2) r3 = socket(0x40000000015, 0x5, 0x0) close(r3) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r4, 0x0) openat(r4, &(0x7f0000000480)='./file1\x00', 0x8000, 0x20) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) r6 = syz_open_dev$radio(&(0x7f0000000440)='/dev/radio#\x00', 0x3, 0x2) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r5, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="050000a2", @ANYRES32=0x0], &(0x7f0000000180)=0x8) r8 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r8, 0x10c, 0x5, &(0x7f0000000000), 0x4) r9 = accept4(r8, 0x0, &(0x7f0000000300), 0x754140b2b5a94ae1) write$nbd(r9, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], 0x9f) openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000340)='/dev/dlm_plock\x00', 0x800000, 0x0) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000380)={0x0, 0xff}, &(0x7f00000003c0)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000680)={r10, 0xfffffffe}, &(0x7f0000000640)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r2, 0x84, 0x11, &(0x7f0000000140)={r7}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f00000001c0)=@assoc_value={r7, 0x5}, &(0x7f00000002c0)=0x8) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f2e2f66696c65312c75707065726469723d2e2f66696c4b30d560d9e12848af3ba1cd7001563572c46a64d00f17e207000000000000"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000301004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:02 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070509000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:02 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:02 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) socket$rds(0x15, 0x5, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000740)={@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x4, 0x0, 0x7f, 0x0, 0x0, 0xcd44}, 0x20) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x80, 0x0) sendmsg$rds(r1, &(0x7f00000002c0)={&(0x7f0000000100)={0x2, 0x4e22, @local}, 0x10, &(0x7f00000006c0)=[{&(0x7f0000000340)=""/134, 0x86}, {&(0x7f0000000440)=""/145, 0x91}, {&(0x7f0000000500)=""/136, 0x88}, {&(0x7f0000000140)=""/54, 0x36}, {&(0x7f00000005c0)=""/210, 0xd2}], 0x5, 0x0, 0x0, 0x40000}, 0x40000) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, 0xffffffffffffffff, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000780)={0x0, 0x400}, &(0x7f00000007c0)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000800)={r3, 0x9}, 0x8) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 694.281602][ T3149] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 694.320725][ T3149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 694.337090][ T3149] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 694.353167][ T3149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:03 executing program 0: mkdir(0x0, 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:03 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000020401004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 694.536338][ T3149] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 694.564493][ T3149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:03 executing program 0: mkdir(0x0, 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 694.630938][ T3149] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 694.669195][ T3149] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:03 executing program 0: mkdir(0x0, 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:03 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070609000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 694.969102][ T3201] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 695.004105][ T3201] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x6000000}}, 0x1c) 23:38:03 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000060401004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 695.026943][ T3201] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 695.058501][ T3201] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 695.173986][ T3201] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 695.204163][ T3201] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 695.234376][ T3201] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, 0x0, &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 695.275460][ T3201] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, 0x0, &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:04 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070709000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 695.514922][ T3248] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:04 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x48a, &(0x7f0000000100)={0x81, 0xff, 0x6}, 0xc) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:04 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000501004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, 0x0, &(0x7f0000000140)='bpf\x00', 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 695.576567][ T3248] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 695.615370][ T3248] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 695.646506][ T3248] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:04 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070809000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:04 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000601004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7000000}}, 0x1c) [ 695.946625][ T3278] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 695.991425][ T3278] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 696.029031][ T3278] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', 0x0, 0x1, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 696.052491][ T3298] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 696.081053][ T3278] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:04 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) r2 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r3) r4 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r5) mount$overlay(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000140)='overlay\x00', 0x102410, &(0x7f0000000440)={[{@xino_off='xino=off'}, {@index_off='index=off'}, {@metacopy_off='metacopy=off'}, {@redirect_dir={'redirect_dir', 0x3d, './bus'}}, {@metacopy_off='metacopy=off'}, {@xino_auto='xino=auto'}, {@metacopy_off='metacopy=off'}], [{@smackfsroot={'smackfsroot', 0x3d, 'keyringwlan1.ppp0nodev-'}}, {@uid_gt={'uid>', r5}}]}) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x40) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="6c6f56e0fd0a99dbf87765726469723d2e2f6275732c776f726b6469723d67f72480121678200257262c59872e2f66696c65312c757070659482f4e1f1f41972fe788d726469723d"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:04 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000040601004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 696.173748][ T3278] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 696.192337][ T3278] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:04 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 696.223257][ T3278] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 696.239242][ T3278] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:05 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') mount(&(0x7f0000000100)=@sg0='/dev/sg0\x00', &(0x7f0000000140)='./bus\x00', &(0x7f00000002c0)='aio\x00', 0x10000, &(0x7f0000000340)=']\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) 23:38:05 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070909000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 696.442981][ T3330] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:05 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$SCSI_IOCTL_START_UNIT(r0, 0x5) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000100)='./bus/file1\x00') r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f00000004c0)={0x1, 0x1, 0x1000, 0x98, &(0x7f0000000340)="30058b033f77458e4e7f129e1f15d17d4a5c6a55bdba384d74d9455273c6ce186e5439624ada2714260e571e7d84a4cd642e4c8cab72d135895ae618f6af79a17fe4a45e129fe4353f4903f553749fb988a491d5682e6da9bec8f3528fa6357f24c792d552e346d0d5640a366fdc628b00c008d9e30dabaedae08fdc639a79de7b62ab988c0bea8287423c86d20f2daac28e352127b1accd", 0x56, 0x0, &(0x7f0000000440)="d46ac29874c9aa66f3d9091673f4be5263005b9c3410ec977e5b758ed49b1bff9701bafacaf864eaca12aa0cddb8cd76876dc2be45931b1ed6c4d0f8e79bb234d8f8f433fa061c5ddd6ee38c3323347d3e41e27ef7c2"}) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000340)={[{@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0x3}}, {@mode={'mode', 0x3d, 0xe8b7}}, {@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x6c}}], [{@dont_appraise='dont_appraise'}, {@seclabel='seclabel'}, {@subj_role={'subj_role', 0x3d, '$!'}}]}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 696.514025][ T3336] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 696.538106][ T3336] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 696.556720][ T3336] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:05 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000701004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) [ 696.625244][ T3336] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 696.772927][ T3336] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 696.773523][ T3367] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 696.794050][ T3336] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 696.841017][ T3336] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, 0x0) creat(0x0, 0x0) 23:38:05 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7ffffff}}, 0x1c) 23:38:05 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x50) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) acct(&(0x7f0000000100)='./file0/file0\x00') link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') setsockopt$llc_int(r0, 0x10c, 0x6, &(0x7f00000002c0)=0x6, 0x4) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) lsetxattr$security_ima(&(0x7f0000000340)='./bus/file1\x00', &(0x7f0000000380)='security.ima\x00', &(0x7f00000003c0)=@v1={0x2, "31d8298a2b6165c7261bd3"}, 0xc, 0x1) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = dup(0xffffffffffffffff) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) ioctl$DRM_IOCTL_ADD_CTX(0xffffffffffffffff, 0xc0086420, &(0x7f00000000c0)={0x0}) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, 0xffffffffffffffff, &(0x7f00000001c0)={0x4}) ioctl$DRM_IOCTL_GET_CTX(r2, 0xc0086423, &(0x7f0000000100)={r3, 0x2}) ioctl$DRM_IOCTL_NEW_CTX(r1, 0x40086425, &(0x7f0000000140)={r3, 0x3}) 23:38:05 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000901004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 696.898620][ T3336] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:05 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b646469723d2e2f66696c6530b0ef6399385ef3e909bbdb4f932fcfa9ae6bde34da7b22387f0d459345b8d7e966990e58b7fe3db15030d4d404421ee25f1b831796142d89fa089e97d3a21330fc7c5121cbe920cb69d0116b872ff94f9dc5759e181951f5ed882317558d7950ea540fb8e297568451f3518cf6cd68f0e5268704266c08699fd6e3b23b6f95be4b8c80283149e2b812e58a31c22e07daf701ef589c7ebf4eee92"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, 0x0) creat(0x0, 0x0) 23:38:05 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070a09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:05 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x1, 0x0) creat(0x0, 0x0) [ 697.105059][ T3393] overlayfs: unrecognized mount option "workddir=./file0°ïc™8^óé »ÛO“/Ï©®kÞ4Ú{"8 E“E¸×éf™X·þ=±P0ÔÔBâ_ƒ–-‰úž—Ó¢0ü|Q!Ëé ËiÐk‡/ùOÅužQõíˆ#UyPêT¸â—V„QóQŒöÍhðå&‡&liŸÖã²;o•¾KŒ€(1Iâ¸åŠ1Â.Ú÷ïXœ~¿Nî’" or missing value [ 697.166934][ T3393] overlayfs: unrecognized mount option "workddir=./file0°ïc™8^óé »ÛO“/Ï©®kÞ4Ú{"8 E“E¸×éf™X·þ=±P0ÔÔBâ_ƒ–-‰úž—Ó¢0ü|Q!Ëé ËiÐk‡/ùOÅužQõíˆ#UyPêT¸â—V„QóQŒöÍhðå&‡&liŸÖã²;o•¾KŒ€(1Iâ¸åŠ1Â.Ú÷ïXœ~¿Nî’" or missing value [ 697.205850][ T3397] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:06 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ftruncate(0xffffffffffffffff, 0xdea2) [ 697.254588][ T3397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 697.288233][ T3397] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$SCSI_IOCTL_START_UNIT(r0, 0x5) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000100)='./bus/file1\x00') r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r1, 0x10c, 0x5, &(0x7f0000000000), 0x4) ioctl$FS_IOC_ENABLE_VERITY(r1, 0x40806685, &(0x7f00000004c0)={0x1, 0x1, 0x1000, 0x98, &(0x7f0000000340)="30058b033f77458e4e7f129e1f15d17d4a5c6a55bdba384d74d9455273c6ce186e5439624ada2714260e571e7d84a4cd642e4c8cab72d135895ae618f6af79a17fe4a45e129fe4353f4903f553749fb988a491d5682e6da9bec8f3528fa6357f24c792d552e346d0d5640a366fdc628b00c008d9e30dabaedae08fdc639a79de7b62ab988c0bea8287423c86d20f2daac28e352127b1accd", 0x56, 0x0, &(0x7f0000000440)="d46ac29874c9aa66f3d9091673f4be5263005b9c3410ec977e5b758ed49b1bff9701bafacaf864eaca12aa0cddb8cd76876dc2be45931b1ed6c4d0f8e79bb234d8f8f433fa061c5ddd6ee38c3323347d3e41e27ef7c2"}) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 697.299481][ T3397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000a01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:06 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f770172648dc42b5b30e9c5b2ff69723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 697.499444][ T3397] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 697.518649][ T3397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 697.562495][ T3397] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 697.600238][ T3397] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 697.614718][ T3423] overlayfs: unrecognized mount option "lowrdÄ+[0éŲÿir=./bus" or missing value 23:38:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ftruncate(0xffffffffffffffff, 0xdea2) [ 697.664324][ T3423] overlayfs: unrecognized mount option "lowrdÄ+[0éŲÿir=./bus" or missing value 23:38:06 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x8000000}}, 0x1c) 23:38:06 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$BLKALIGNOFF(0xffffffffffffffff, 0x127a, &(0x7f0000000100)) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:06 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) ioctl$TIOCMIWAIT(r0, 0x545c, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:06 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070b09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000b01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ftruncate(0xffffffffffffffff, 0xdea2) [ 698.023840][ T3448] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 698.033408][ T3455] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 698.097444][ T3448] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 698.109119][ T3448] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 698.125441][ T3448] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ftruncate(0xffffffffffffffff, 0xdea2) 23:38:06 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000100)='./bus/file1\x00', 0x340) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r3 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r4 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r4, r3, r4}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r5 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r6 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r6, r5, r6}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r7 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r8 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r8, r7, r8}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r9 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r10 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r10, r9, r10}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r11 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r12 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r12, r11, r12}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r13 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r14 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r14, r13, r14}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r15 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r16 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r16, r15, r16}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0xe0303aa45f54ae30, &(0x7f0000000540)=ANY=[@ANYPTR=&(0x7f0000000140)=ANY=[@ANYRESHEX, @ANYRES32, @ANYPTR64=&(0x7f0000000280)=ANY=[@ANYBLOB="61d5d947fd15f1ec05e380e4949d6276028f72f259c87e7e6501eb0914d5549d48ed45b79579e675594b", @ANYRESDEC=r0, @ANYRESOCT=r1, @ANYRES16, @ANYRESDEC, @ANYRES64=r3, @ANYRES64=r6], @ANYRESOCT, @ANYPTR=&(0x7f0000000340)=ANY=[@ANYRESHEX, @ANYRES64=r7, @ANYRES16, @ANYRES32=0x0, @ANYRESOCT, @ANYRESDEC=r16, @ANYRESOCT=r7]], @ANYRES32=r12, @ANYRESDEC=r13]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:06 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$EXT4_IOC_MIGRATE(r0, 0x6609) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') mount$9p_tcp(&(0x7f0000000100)='127.0.0.1\x00', &(0x7f0000000140)='./bus/file0\x00', &(0x7f00000001c0)='9p\x00', 0x10000, &(0x7f0000000340)={'trans=tcp,', {'port', 0x3d, 0x4e20}, 0x2c, {[{@debug={'debug', 0x3d, 0xfffffffffffff000}}, {@loose='loose'}, {@access_any='access=any'}], [{@pcr={'pcr', 0x3d, 0x31}}, {@defcontext={'defcontext', 0x3d, 'sysadm_u'}}]}}) [ 698.204101][ T3461] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:07 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070c09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:07 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000d01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 698.482697][ T3483] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 698.547592][ T3483] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x9000000}}, 0x1c) 23:38:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:07 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000100)={r2, 0x1, 0x2, @local}, 0x10) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000080)={r2, 0x1, 0x6, @broadcast}, 0x17) r3 = socket(0x100000000011, 0x2, 0x0) bind(r3, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r3, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r6, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r6, 0x0) r7 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) setsockopt$packet_add_memb(r7, 0x107, 0x1, &(0x7f0000000100)={r8, 0x1, 0x2, @local}, 0x10) setsockopt$packet_add_memb(r7, 0x107, 0x1, &(0x7f0000000080)={r8, 0x1, 0x6, @broadcast}, 0x17) r9 = socket(0x100000000011, 0x2, 0x0) bind(r9, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r9, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r7, 0x107, 0x2, &(0x7f0000000000)={r10, 0x1, 0x2, @remote}, 0x10) setsockopt$packet_drop_memb(r6, 0x107, 0x2, &(0x7f0000000000)={r10, 0x1, 0xfffd3320, @remote}, 0x10) bind$xdp(r0, &(0x7f00000000c0)={0x2c, 0x4, r4, 0xf}, 0x10) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000100)='./bus/file0\x00', &(0x7f00000002c0)='./bus/file1/file0\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6d6f7765726469723d2e2f6275732c776f723df8dc782429d4b6a9999b8a6d39ddb26b6469723d2e2f66696c65312c757170e3e4d44488d66572c1e5bb2f2e60fd8dd4f1197fccb4e018df03829cb4cb6d765093ad5bdc1d10d2bbd8d2313ba158db78229654bb242ad695489f4a86cb9c75f55eb600295a1dd12292d86ba7e9f9b7ca552ec9661590d08283a2d3a3522e74f42805"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 698.599253][ T3483] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 698.620155][ T3483] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 698.682925][ T3500] device lo entered promiscuous mode 23:38:07 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000e01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:07 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070d09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000140)='./file0\x00', 0x9, 0x4, &(0x7f0000000680)=[{&(0x7f0000000340)="52df96a0549eee366d4e34bafc6911c2e99eed3f1495ac1ae00721c5c15ddb379f700f6e2115b57cb1381a6b481760489e4a40ce64455bb33bc9e2437e07146c50", 0x41, 0xb2f}, {&(0x7f0000000440)="24efab830016a063aa85622907addc20c114917ff910217871f94a7dfaa4ceec4156eddec0168647dd23811082f013e4f852f58182f2adee2d6437b755e67b0f08114a6b4c132a5f74c2df704bfcbfea7fa28eb6e3994f0c58fec313f15fa468b3563b86aac7db9bc47c23dff1ef7502d6981ef0241af59b58f7bc8e815220604f4f84321f13f4d1eb71b5687b4dd80b878443b967bfdcd23b209d17657211dd94c779c441ae5364fd96b902fe9e054ee259f337f966c50dd80ad027a689a6a644c3349d30e277084c3c621de39024c0459bf9f749328a3874956cd0f86b6916dc797ceb6f2750b441", 0xe9, 0x3}, {&(0x7f0000000540)="d84d6d2a57df95bbbe2c1fdbea63dd5c6d3593dba868d126175c4a264e2bfb4eace3353e9f1fed6533a36cfedb3b85d414f40f989c57ed8f5bfd2d6db278e20fcec04db0097436c1ba5342587274547894e7b58fbae0e6965518de83df1fb455999bd56ce6dddd341b4f11739f1aa66d555ed6693106d1ce1a9d9108cbc9490a02c1aff385e8792bcb9950272110d2d51d5aafb50452a3efa4f78f903094f65d128a960c593f1070220c3c9f8847b7a91cf30c73b3", 0xb5, 0x200}, {&(0x7f0000000600)="5f9901ac1d073d9198a874b679505983f0f89f6e4fc19fea4ceb94dd303c2f10287c8af7fea333ef2e0488756eac009ba30a4b775d27feb33f3c2ccc32eb8f465afb0f7df397688242a09c6e5177d20b79701d0f87cb1681aaf4", 0x5a, 0x2}], 0x1012080, &(0x7f0000000700)={[{@errors_continue='errors=continue'}, {@errors_recover='errors=recover'}, {@utf8='utf8'}, {@disable_sparse_yes='disable_sparse=yes'}, {@errors_recover='errors=recover'}, {@errors_remount='errors=remount-ro'}, {@umask={'umask', 0x3d, 0xff9}}, {@nls={'nls', 0x3d, 'iso8859-7'}}, {@show_sys_files_no='show_sys_files=no'}, {@errors_continue='errors=continue'}], [{@obj_role={'obj_role'}}, {@seclabel='seclabel'}, {@context={'context', 0x3d, 'user_u'}}, {@uid_eq={'uid', 0x3d, r1}}, {@audit='audit'}, {@uid_gt={'uid>', 0xee00}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}]}) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 698.900993][ T3513] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 698.908901][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 698.908968][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 698.909059][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 698.909100][ C1] protocol 88fb is buggy, dev hsr_slave_1 23:38:07 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000003b0f01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 699.068045][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 699.068068][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 699.073954][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 699.079576][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 699.107932][ T3513] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 699.167154][ T3513] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 699.193373][ T3513] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 699.314385][ T3513] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 699.336005][ T3513] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 699.362062][ T3513] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:08 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000201001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 699.391077][ T3513] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:08 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696ce524be0565312c75707065726469723d2e2f26696cf3994d1381036dc701a6696530bbe89a5ed41bfd3ae9dcbf47a6eec141a64db125e0bed722e17d6397878f290b8acd701dc35f2825c2cfd1a5c93db297d752a480bb30349d45ea360aa95c33d5b492d71529d60c118b5aa1bcca0f90ae220e0f21154445a78d021b06d9fd8f40a32f87e062fcc3d688e1b7fcf61b0ebb2fb87e1b1d3001073dc435259aa46bf6ca54870063198d6f1484b2638202ce8b6b0bf28e1ddc74097da8a6ac8dd7afa418d6dc4311890d1652cb7577ecfa84d9968c8947a6a1"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:08 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070e09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xa000000}}, 0x1c) [ 699.605638][ T3499] device lo left promiscuous mode [ 699.729860][ T3558] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 699.758997][ T3562] overlayfs: failed to resolve './&iló™MmǦie0»èš^Ôý:éÜ¿G¦îÁA¦M±%à¾×"á}c—‡) ŠÍpÃ_(%ÂÏÑ¥É=²—×R¤€»04Eê6 [ 699.758997][ T3562] ©3Õ´’×)Ö ‹Z¡¼Ê®"!DE§Ùý@£/‡àbüÃÖˆá·üö»/¸~0=Ä5%š¤köÊT‡': -2 23:38:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 699.788248][ T3558] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 699.803474][ T3558] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 699.851844][ T3558] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 699.862303][ T3570] overlayfs: failed to resolve './&iló™MmǦie0»èš^Ôý:éÜ¿G¦îÁA¦M±%à¾×"á}c—‡) ŠÍpÃ_(%ÂÏÑ¥É=²—×R¤€»04Eê6 [ 699.862303][ T3570] ©3Õ´’×)Ö ‹Z¡¼Ê®"!DE§Ùý@£/‡àbüÃÖˆá·üö»/¸~0=Ä5%š¤köÊT‡': -2 [ 699.902364][ T3574] device lo entered promiscuous mode [ 700.003737][ T3558] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 700.018304][ T3558] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 700.019881][ T3576] device dummy0 entered promiscuous mode [ 700.060326][ T3558] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 700.092283][ T3558] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 700.229951][ T3521] device dummy0 left promiscuous mode [ 700.313089][ T3521] device lo left promiscuous mode 23:38:09 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c080000006469723d2e2f6275732c776f723d2e2f66696c65312c75e84a65726469723d2e2f66696ca830"]) syz_mount_image$ceph(&(0x7f0000000100)='ceph\x00', &(0x7f0000000140)='./bus/file0\x00', 0xfffffffffffffffa, 0x3, &(0x7f0000000580)=[{&(0x7f0000000340)="37c94bc0220f94c0dcead4dabcd84b76914bf4a354db008acda30c1d9ab17312e7954f5d33d9a39f9b533a7c5282071a02b9049c877d11bed256c77077085a9370416f7ca8", 0x45, 0xe2}, {&(0x7f0000000440)="570a3ea66413ba9b6ab87e99cfa85d1a861d3d4520f86b5ef7d48a4e1d5ed7396390552b9b516ccb03fc13c7a927bd1ad0bf30c486f404f856a067e52686901b915fee2d52d3dc4d805471fa64f03ee703e9b3195ecbd2", 0x57, 0x7}, {&(0x7f00000004c0)="fcf2a6aaddeeed4adb6dafa96fd40b02ecd5ae4057e6bb893a238ca26f1a0bd340120c06d6ca360edd7ed204a329a1bcf68e44c90970e0841c17fde3a65ca94eed8255e0d37faf304642803715fdfb19638baab3a54605f4f74cecf18e255c3fdeb9d09a3dadd40f27e36c0b930d574021cbc8eb90dc252dc9635b0ec23bc80ad8b78d0dc704685a236d40", 0x8b}], 0x10, &(0x7f00000002c0)='\x00') lsetxattr(&(0x7f00000003c0)='./file0\x00', &(0x7f00000006c0)=ANY=[@ANYBLOB="9c88f40acac3860c8bc2a8667d58cc8f64f478bddebcec79062141d173d2a8f1bed0cb9bdbfe763432b529b110bd78b46e8739e25867cf9e93313dce54492b4214211e1eaad1c6b4010df687d34a27ce98a8c2ac867038ae90c36d8c66c65f45caf729d4f429182499842d9ab71965b6476a71f81e444b39560a2d9d8152d91bebdffef7b2e3b8b97419bad7d5767aefbf95e154d03307bf8a0ad31478f02e34851b59c76511ef6f067093cf"], &(0x7f0000000640)=')$,\x00', 0x4, 0x83c7ff9580d6d46e) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:09 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001101004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:09 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r1}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r2 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r3, r2, r3}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0xacad0330043ca44d, &(0x7f0000000540)=ANY=[@ANYRESHEX=r1, @ANYPTR64=&(0x7f00000001c0)=ANY=[], @ANYRESDEC=0x0, @ANYRES64, @ANYPTR64=&(0x7f0000000600)=ANY=[@ANYBLOB="4b9325541cd9fb0697c777231030dab178fddc58bae9bc873aefad0c3cc621c51fbeb77a45e75588dbb6a9a118b77afe8c5fcf3bb5b8020a94d0e2886f055bbf80698d99ccc14db3f0792c166f5306e84f1606f04157260008f0b4bb7c50a69dc942092f77ca8a20df2ea91fd908ad95867ade4aa8f74b509d87b1ab7901b1aacefbd029f4b0113e5ef5f16dfe240843d7f7f4ea896fbeaaac39bf2771595b2bfb3c910348d486648bcafe45480effda9a5676efa4eeea37d249e07ea295170bcc1242ae4177c8e22e5ccadfcd43ddc347ab19f8ab78054d1769965cc326cd1e4637252aca5c9f91bb20ba0775475b58", @ANYPTR, @ANYRES16=r2]]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:09 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070f09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 700.398089][ T3605] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 700.424913][ T3605] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:09 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) setsockopt$packet_int(r0, 0x107, 0x3, &(0x7f0000000100)=0x80000000, 0x4) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 700.469071][ T3605] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 700.488438][ T3605] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 700.593528][ T3617] overlayfs: unrecognized mount option "l" or missing value [ 700.596715][ T3605] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 700.610565][ T3617] ceph: device name is missing path (no : separator in /dev/loop4) 23:38:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe000000}}, 0x1c) [ 700.663753][ T3605] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 700.684045][ T3605] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 700.691349][ T3605] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 700.717701][ T3617] overlayfs: unrecognized mount option "l" or missing value 23:38:09 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001201004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:09 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100071009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:09 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x40) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400), 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c77e492e3a599228e102c73704d65726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 701.004066][ T3645] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:09 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = syz_open_dev$adsp(&(0x7f0000000100)='/dev/adsp#\x00', 0x8001, 0x20000) ioctl$KVM_ENABLE_CAP_CPU(r0, 0x4068aea3, &(0x7f0000000340)={0xcb, 0x0, [0x30000000, 0x7, 0x29c1, 0x2]}) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 701.074194][ T3645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 701.132644][ T3645] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 701.144980][ T3645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001f01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 701.267711][ T3645] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 701.284504][ T3666] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 701.326241][ T3645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:10 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') prctl$PR_SVE_GET_VL(0x33, 0x1be5) mount(&(0x7f0000000100)=@md0='/dev/md0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f00000002c0)='coda\x00', 0x0, &(0x7f0000000340)='overlay\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 701.375214][ T3645] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 701.413052][ T3645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:10 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100071109000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xf000000}}, 0x1c) 23:38:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000002001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:10 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = add_key(&(0x7f00000002c0)='user\x00', &(0x7f0000000300)={'syz', 0x1}, &(0x7f0000000340)='\n', 0x1, 0xfffffffffffffffe) keyctl$clear(0x7, r0) r1 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000140)={'syz', 0x0}, 0x0, 0x0, r0) keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f00000001c0)={r1, 0x3a, 0x5a}, &(0x7f0000000340)={'enc=', 'pkcs1', ' hash=', {'vmac64(blowfish-asm)\x00'}}, &(0x7f00000002c0)="824ce9728051cff4ebaafc612293c346b6b44856772bea5eea2840813ad7a9b537d59e4c9eb808aaf1b4f304423e2363ccd74dd4374cb05dadc0", &(0x7f0000000440)=""/90) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 701.705165][ T3696] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 701.725801][ T3696] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 701.746478][ T3696] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:10 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x127) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./file2\x00', 0x100) mkdir(&(0x7f0000000100)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"]) r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x4000, 0x0) ioctl$TIOCNXCL(r0, 0x540d) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 701.807320][ T3696] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 701.874189][ T3705] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:10 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x10000, &(0x7f0000000100)=ANY=[@ANYPTR]) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) setxattr$trusted_overlay_redirect(&(0x7f0000000fc0)='./bus\x00', &(0x7f0000001000)='trusted.overlay.redirect\x00', &(0x7f0000001040)='./bus/file1\x00', 0xc, 0x3) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000100)={r2, 0x1, 0x2, @local}, 0x10) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000080)={r2, 0x1, 0x6, @broadcast}, 0x17) r3 = socket(0x100000000011, 0x2, 0x0) bind(r3, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) syz_mount_image$erofs(&(0x7f0000000880)='erofs\x00', &(0x7f00000008c0)='./bus/file1\x00', 0x1, 0x9, &(0x7f0000000e40)=[{&(0x7f0000000900)="d84d0de7815b441dd264a4ddb2fd8b89e34734be61f8ea092e6ac69b1bf73d47a3d609b48b124322cb523ad235304a9522c710d451ce81453829e77ba0992c1d93a603986c80af4bfba092485cb9af81de5c3353fe79224be96a335480426e7cf92f480717466f94440a318c8989e3a6ffec9b3d995f4bce0f37a0328a6473309c30bae1d8c4f5274b3e384e141dc901adad7e2291c5dddaf7adb056992433c66c4f0fdbc33919af1d7684e009afecba1c", 0xb1, 0x5}, {&(0x7f00000009c0)="e4918222ac237e0973fc951acd877fda3cb22eb8c92339c6485cb8eafbe932586bce95ce99a52657516785a863ece233739a85afc9550b9890d419e0d0d1dc4e108a9e8aef32bdae5609e286a92c214e5036b9f349a604a140418e045c0509a0de69c822ce933f294b444dd91fb24ec09c2ccb997978773abad6c2b0be522fb1b7c1948c5f400d46a6648b671f14e2db2ed36419f84ceb08b82a6919e471ac1e075ee37e6da6e0472b68252bdf56bf6e2086c4bea869657991a9a65157608fa0f2020bf5", 0xc4, 0x1}, {&(0x7f0000000ac0)="08765985352f47b0180ea12d43ff1e0e89e4cc5630acf31a8ff570e3fe75b4d06f936bf2c140ca9f111d95ece5159793c439a0f00cab48d0df6b32d3e5e60595f1c25ba4059be7904de77c17e919a569d831aae2cccb4a4f8bb34b63dd30bcbc21ed09b5b5fb590a9100e55f24375a8ea26be2b87dda2722da0ccff6254256784f2be3621cc8fa902999e3", 0x8b, 0x4}, {&(0x7f0000000b80)="2b3dc55f9472bd3adbd91324c1bae55a934d855363c7786e09a263c7e50d744bf632eefe77b640a9", 0x28, 0x7bbc}, {&(0x7f0000000bc0)="53b9a490a35e6b6007dee04671bd987830e14f792271fdc356c511eb75288f7e", 0x20, 0x4f56}, {&(0x7f0000000c00)="8624c960edd9e721dfb5e5b109509b5d31649b825bf32cd540261b744195a136dcd7f79ebd5e17", 0x27, 0xff}, {&(0x7f0000000c40)="7b09931751d03f3c7648a4f1c15ba807cfe8b6b6dc2b731e20538b11e5155e9eaa0aa8353416ddd559684ed9d2d281432f500e29b33c3c191ab15aadb419d487429d26d22e0b039963a97d4c118baedf4de6cbe3ac63acb0a4b534accb74473651dc8592d5f45e082c89f88a12ab99310172f4a747ad4b1d3d4c17ed8d0e1820a6eca70579788e4c3ce173a22270dcabb5ce8cecb954e832601e9560f4ca4c8e70602e29a68884278096b46473f4157bbe80f7d15faa", 0xb6, 0x9}, {&(0x7f0000000d00)="6ae9658973920ce9afead4992027123d04e5c96ef07fc96ee84bcd0b29bb227b07dc3846387289fc1aa5809b582d206bdf124c1c83944c391c87b9348033621ba5200956f1b9d3cc91c330bb9d9d4477eb531c9becb6b11eb0b3beaa1c29ec1d2a80d4e726a725d762ef31c689b804a38ebbaff60b9a49283721d3a739871c6a355d8ab989d64359fbed5428bcdf9eacd3285d6b0ef4577f2125938ed48d7cc2c55c1d72b9d88c247702bdcd39a219c262070c6ff2cc913e1ec53d735e5dde711841", 0xc2, 0xf82}, {&(0x7f0000000e00)="b9640006", 0x4, 0x40}], 0x40008, &(0x7f0000000f40)={[{@user_xattr='user_xattr'}, {@user_xattr='user_xattr'}, {@acl='acl'}, {@noacl='noacl'}], [{@fsuuid={'fsuuid', 0x3d, {[0x30, 0x30, 0x64, 0x30, 0xc16fabb57a677fa4, 0x31, 0x62, 0x63], 0x2d, [0x65, 0x4f, 0x64, 0x32], 0x2d, [0x34, 0x32, 0x39, 0x61], 0x2d, [0x63, 0x30, 0x65, 0x35], 0x2d, [0xac, 0xe8424acf67ae30d, 0x0, 0x52, 0x65, 0x63, 0x7, 0x37]}}}]}) getsockname$packet(r3, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000000)={r4, 0x1, 0x2, @remote}, 0x10) sendmsg$sock(r0, &(0x7f0000000840)={&(0x7f00000002c0)=@ll={0x11, 0x19, r4, 0x1, 0x81, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x80, &(0x7f00000007c0)=[{&(0x7f0000000340)="a4561b2cb85577e11441e0df9a141314b11fb206b11379bb741f7578d570f7d2b4e632d911b3106389fcac3984318c94cceee2367779c264fadddd85c7c58f8371a0393f7bbd9a64e0d3bdd2593f64947ff8107274b91fa631e88ee42767916c88acfee436608564aa7faeac8c2f226ed919235287105b3ab8e91065e30466f499", 0x81}, {&(0x7f0000000440)="a8d1099aa8c6525f9da0b0d578f1868c419a9bccd97e7e5da8ca6a776ea5eed3ed95bf26afadc18c295bfbfaa6c682acdf566e99e28e3f86f320b3345d12329a8b39a680cae818e810c424c4c7e335b3e5072a4abf8e0e88c7c01f64a177de4b58adcceed86d8e85e7b0af24841a6152559f8b60769ca007c49f1459f10f145ec1c3cd56c4c64dcf4a2de1fed76821cd752f4a69488d153d740f27c56de301c3b936d4356dedb9c5722177c5263af7b153c082facae0d8d7fb0585717250bd44f718a6", 0xc3}, {&(0x7f0000000540)="6f126540bcaf8a3498005eb1e81ef1ffc16ce95e81cbf4041509f4d98122dc14346c043e8ddd2570b2604985123f864326215006c9d533158db2ad5769650d9f816209251828be4cdc88b171bc86cc818fe2a681307ef9dcd49011b78d1735612e2e587edaf26f5489c563fc8dfac92f8a9aae60a8c4aaaf6b81", 0x7a}, {&(0x7f00000005c0)="f1464078c0ce7f6d0914ae315cdacc2a2b0d685d28017ab2522ed19c1c563051dbdc2d805a8fb47b6aac14e5ec7db153510937a6996f158ca7c06afd04de572b0e1d748d1ff135164d35698292dc222353e2493bf4d91c4243e70f99c4705cf3f946d43edffb45242c57ffbae3728b1298fc880c36a5af2bb5214f2d7118b0cc9f643fcd92fb288f6941f77584ae5cc097637df0e1419ec26005a5605055d592fd60d2de5c80fc7232eba60ac61c6d94f541518c0adcfb1141c3574ac3145ae99b3b327dab52dc9a96c3164c052b6fbc6343eb25492798a98ac8f88b57454cd59c598a54e8220b15b076094f484930", 0xef}, {&(0x7f0000000140)}, {&(0x7f00000006c0)="95eaea639e6d38bf25e961387977dc17c9d0cf82dece02f3913a84a8db57a65bc534740622f071da2de366d3f160c7fbc8b14f2a43b55dddb6f2fc2b5a5b8a2824f92ce9109ae7d2813cd702ffcac4cff46b10326d43", 0x56}, {&(0x7f0000000740)="4cf10e9c5cfb8140a469735f68030dcc82a2ee3bfb314cb9fde009261dc27fcc9aa7b388545c06a01aaac6a4364b12913f79ea068a0ef3e755d4afcf82a18210a411433c044791320f828078565536477bb2855eb04c3a0f239d99", 0x5b}], 0x7, &(0x7f00000001c0)=[@mark={{0x14, 0x1, 0x24, 0xe29c}}, @txtime={{0x18, 0x1, 0x3d, 0x7ff}}], 0x30}, 0x1) [ 701.964666][ T3696] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 701.988992][ T3725] overlayfs: unrecognized mount option "lowerÿÿÿÿ./bws" or missing value [ 701.992442][ T3696] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 702.024825][ T3735] overlayfs: unrecognized mount option "lowerÿÿÿÿ./bws" or missing value [ 702.039037][ T3696] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 702.047431][ T3734] overlayfs: missing 'lowerdir' 23:38:10 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$IMGETDEVINFO(r0, 0x80044944, &(0x7f0000000100)={0x9}) unlink(&(0x7f00000001c0)='./bus/file0\x00') syz_mount_image$xfs(&(0x7f00000002c0)='xfs\x00', &(0x7f0000000340)='./bus\x00', 0xb02d, 0x4, &(0x7f0000000680)=[{&(0x7f0000000380)="5d5caad07378282f429050dee0df5641beba2bd204662e2d13e09effe0e5f025837a05e32b6f33ce6542be713db1be4827e17c2c99e628f9e073e1409f3fd383cefb9df2607a43e3a94ad78e2b9732114e46acb8495f32ca6563f8ceeea3eeecc85913e3af76259bb50d7d51cbc1beb89c9213", 0x73, 0x10000}, {&(0x7f0000000440)="819d00d6631ade8f0242659f203671ca53cc8042a87f459c6fd53b581a25431382c43d765054e83ee6f7038ab6e87f75fb2155387c7dc771ee4553e6221b3ea806818f24249edc1b1381507b44b6c35e9a5ae2191f9305aaf2a4bd13ca2d558e0f68a697edf6e664821be0c0b6ce4b9631d0f98617ee672333740dec53ccefcbb708a38503bd8eaeb9140571e97afbdf8db39a232c2df198cf31ca348c70602bcb6588c09fdd4d23f21c78957c9c9ad9678c6295560cbf02e2f4a2fc20b94e3ed959294232fac3ece809958112a06db4206911907f2260d501d5835f12689c76e99de6f954659bec", 0xe8, 0x1}, {&(0x7f0000000540)="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", 0xfa, 0x6}, {&(0x7f0000000640)="dea5b480379f52917ccfab17bb6de7eb3c75fb7178677b4900523908de9f6c6a63ed7856849cbd35920004d9619783f9036b4c07b936326caf06d2d8372c8392", 0x40, 0x1ff}], 0x2802, &(0x7f0000000700)={[{@allocsize={'allocsize', 0x3d, [0x37, 0x0, 0x74]}}, {@wsync='wsync'}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}) 23:38:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 702.074682][ T3696] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 702.096435][ T3734] device lo entered promiscuous mode 23:38:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000102001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:10 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100071209000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 702.223688][ T3732] device lo left promiscuous mode 23:38:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 702.312140][ T3756] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 702.322672][ T3734] overlayfs: missing 'lowerdir' [ 702.332400][ T3738] device lo entered promiscuous mode [ 702.374926][ T3756] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 702.384209][ T3732] device lo left promiscuous mode [ 702.395077][ T3756] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 702.404423][ T3756] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 702.544590][ T3756] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 702.563153][ T3756] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfffffff}}, 0x1c) 23:38:11 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$ax25_SO_BINDTODEVICE(r1, 0x101, 0x19, &(0x7f0000000380)=@netrom={'nr', 0x0}, 0x10) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000000080)=""/48) r2 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f00000002c0)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='ov\xd1rlay\x00', 0x80, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275822c776f726b6460b57264165e00000000000000046c67300000006da653b7a5a1728e81009589000000000000003ac41def76b5eceda2d4"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') setxattr$security_selinux(&(0x7f0000000200)='./file1\x00', &(0x7f0000000300)='security.selinux\x00', &(0x7f0000000340)='system_u:object_r:getty_etc_t:s0\x00', 0x21, 0x0) getsockopt(r2, 0x40, 0x1f, &(0x7f0000000440)=""/224, &(0x7f00000003c0)=0xe0) 23:38:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:11 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0x5, 0xee1b}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000340)={r2, @in6={{0xa, 0x1, 0x0, @dev={0xfe, 0x80, [], 0x19}, 0x10001}}, 0x2, 0x0, 0xe9, 0x9, 0x2}, &(0x7f00000001c0)=0x98) 23:38:11 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000002501004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 702.622633][ T3756] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 702.643563][ T3756] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:11 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100071409000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:11 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./file1\x00', 0xa7bed522b0ea7aed) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000340)='./bus/file0\x00', &(0x7f0000000140)='./file0\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_dccp(0x2, 0x6, 0x0) recvfrom(r0, &(0x7f0000000440)=""/172, 0xac, 0x21, &(0x7f00000000c0)=@un=@file={0x0, './bus/file0\x00'}, 0x80) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 702.865007][ T3802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 702.902985][ T3802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 702.915728][ T3808] overlayfs: failed to resolve './file0': -2 [ 702.955136][ T3802] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 702.972685][ T3809] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 702.977290][ T3802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:11 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000f3b01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:11 executing program 4: mkdir(&(0x7f0000000140)='./bus\x00', 0x1) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b64699bc05bdddefa2bfc8954235b9b723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 703.087118][ T3802] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 703.128399][ T3802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 703.166717][ T3822] overlayfs: failed to resolve './file0': -2 23:38:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 703.174530][ T3802] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 703.188153][ T3802] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 703.309791][ T3830] overlayfs: unrecognized mount option "workdi›À[ÝÞú+ü‰T#[›r=./file1" or missing value [ 703.321347][ T3834] overlayfs: failed to resolve './file0': -2 [ 703.397516][ T3830] overlayfs: unrecognized mount option "workdi›À[ÝÞú+ü‰T#[›r=./file1" or missing value 23:38:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1ebbdbd9}}, 0x1c) 23:38:12 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100072509000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:12 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000003f01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 703.580954][ T3852] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 703.610753][ T3852] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 703.631213][ T3852] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 703.643757][ T3852] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:12 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000100)='./file1\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:12 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mount(&(0x7f0000000100)=@filename='./bus\x00', &(0x7f0000000140)='./bus/file0\x00', &(0x7f00000002c0)='ocfs2\x00', 0x800, &(0x7f0000000340)='\x00') mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2fe275732c776f6ca26469723d2e2f00006c65312c75707065726469633d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 703.716158][ T3864] overlayfs: unrecognized mount option "wol¢dir=./" or missing value [ 703.746771][ T3852] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:12 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000004001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 703.774133][ T3871] overlayfs: unrecognized mount option "wol¢dir=./" or missing value [ 703.801071][ T3852] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 703.842771][ T3852] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:12 executing program 4: r0 = openat$smack_thread_current(0xffffffffffffff9c, &(0x7f0000000100)='/proc/thread-self/attr/current\x00', 0x2, 0x0) fdatasync(r0) io_setup(0xb, &(0x7f0000000440)=0x0) io_destroy(r1) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) io_cancel(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x1, 0xfa, r0, &(0x7f0000000340)="1bfff3b44f422d78268cff0eb6c153386519db49f90508caef04d479b7eb90cd29fb88349641e72ab5440aad2c66c7d4f7192fe0864d994d9e5db4c7a17adb1e89e1258c159c32e9745529898e", 0x4d, 0xec4e, 0x0, 0x3, r2}, &(0x7f00000003c0)) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r3 = syz_open_dev$amidi(&(0x7f00000004c0)='/dev/amidi#\x00', 0xfe08, 0x400) setsockopt$SO_J1939_PROMISC(r3, 0x6b, 0x2, &(0x7f0000000500), 0x4) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) setsockopt$inet_tcp_int(r2, 0x6, 0x10, &(0x7f0000000480)=0x7, 0x4) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:12 executing program 1: mkdir(&(0x7f0000000140)='./bus/file1\x00', 0x4) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 703.886933][ T3852] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 703.891626][ T3874] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:12 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100074809000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 704.096410][ T3891] overlayfs: failed to resolve './file1': -2 [ 704.137802][ T3884] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 704.165106][ T3891] overlayfs: failed to resolve './file1': -2 [ 704.199003][ T3897] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 704.208569][ T3897] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 704.216936][ T3897] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 704.238520][ T3897] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:13 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1f000000}}, 0x1c) 23:38:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000004801004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:13 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f0000000000)='ovexlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100074c09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:13 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$KVM_SET_FPU(r0, 0x41a0ae8d, &(0x7f0000000440)={[], 0x2, 0xb6, 0x6, 0x0, 0x0, 0x6800, 0x2, [], 0x40}) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:13 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 704.493053][ T3924] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 704.541555][ T3924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 704.567680][ T3924] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 704.582495][ T3936] overlayfs: failed to resolve './file1': -2 [ 704.584952][ T3924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:13 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100075c09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:13 executing program 1: ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f00000003c0)=0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000480)='/dev/autofs\x00', 0x221c02, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f00000004c0)={0x0, @in6={{0xa, 0x4e21, 0x6, @loopback, 0x8}}, 0x4, 0x1ff, 0x4, 0x1f, 0x8}, &(0x7f0000000580)=0x98) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f00000005c0)={r3, @in6={{0xa, 0x4e23, 0x81, @rand_addr="43df79e379d59b9c66db7b19fd56fe2c", 0xa2}}, 0x2, 0x8, 0x7, 0xf8, 0x3}, &(0x7f0000000680)=0x98) r4 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000440)='/dev/dsp\x00', 0x40000, 0x0) perf_event_open(&(0x7f0000000340)={0x4, 0x70, 0x9, 0x72, 0xff, 0x0, 0x0, 0xffffffffffff7fff, 0x20000, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x4, @perf_config_ext={0x100000001, 0x7d}, 0x4, 0x9, 0x7f, 0x1, 0x4, 0x7, 0x9}, r0, 0x5, r4, 0x1) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r5 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r4, 0x400448c9, &(0x7f00000006c0)={{0x9a, 0xfa, 0x4, 0x7, 0x20, 0x7f}, 0x8956}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount(&(0x7f0000000100)=@sr0='/dev/sr0\x00', &(0x7f0000000140)='./bus/file1\x00', &(0x7f00000001c0)='pstore\x00', 0x2400009, &(0x7f00000002c0)='cgrouptrustedloem1lo\x00') link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f776572e469723d2e3f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r6, 0x8933, &(0x7f0000000040)={'team0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000380)={'team_slave_0\x00', 0x0}) r9 = syz_genetlink_get_family_id$team(&(0x7f0000000000)='team\x00') sendmsg$TEAM_CMD_OPTIONS_SET(r6, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000003c0)={0x5c, r9, 0x1, 0x0, 0x0, {0x1, 0x6c00000000000000}, [{{0x8, 0x1, r7}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8}, {0x4}}, {0x8, 0x6, r8}}}]}}]}, 0x5c}}, 0x0) getsockname$packet(r5, &(0x7f0000000780)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000007c0)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000800)={{{@in=@dev, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}}}, 0xfffffffffffffffd) accept4$packet(r1, &(0x7f0000000900)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000940)=0x14, 0x1c1800) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000ac0)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000980)={0xdc, r9, 0x8, 0x70bd28, 0x25dfdbfc, {}, [{{0x8, 0x1, r10}, {0xc0, 0x2, [{0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8}, {0x8, 0x4, 0x5}}, {0x8, 0x6, r11}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8}, {0x4}}, {0x8, 0x6, r12}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8}, {0x8, 0x4, 0x9}}, {0x8}}}]}}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) r13 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r13, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r13, 0x0) r14 = socket$packet(0x11, 0x20000000000003, 0x300) ioctl$sock_SIOCGIFINDEX(r14, 0x8933, &(0x7f0000000180)={'lo\x00\x00\x00\x00\x02\x00', 0x0}) setsockopt$packet_add_memb(r14, 0x107, 0x1, &(0x7f0000000100)={r15, 0x1, 0x2, @local}, 0x10) setsockopt$packet_add_memb(r14, 0x107, 0x1, &(0x7f0000000080)={r15, 0x1, 0x6, @broadcast}, 0x17) r16 = socket(0x100000000011, 0x2, 0x0) bind(r16, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r16, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000000c0)=0x14) setsockopt$packet_drop_memb(r14, 0x107, 0x2, &(0x7f0000000000)={r17, 0x1, 0x2, @remote}, 0x10) setsockopt$inet_mreqn(r13, 0x0, 0x23, &(0x7f0000000740)={@multicast1, @broadcast, r17}, 0xc) 23:38:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000004c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 704.790913][ T3944] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 704.821338][ T3950] overlayfs: failed to resolve './file1': -2 [ 704.833603][ T3944] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:13 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 704.868581][ T3944] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 704.878237][ T3944] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000005c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 705.052353][ T3965] overlayfs: failed to resolve './file1': -2 [ 705.158051][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 705.163901][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 705.169780][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 705.175557][ C1] protocol 88fb is buggy, dev hsr_slave_1 23:38:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1fffffff}}, 0x1c) 23:38:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100076009000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:14 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 705.308056][ C1] protocol 88fb is buggy, dev hsr_slave_0 [ 705.308089][ C0] protocol 88fb is buggy, dev hsr_slave_1 [ 705.313845][ C1] protocol 88fb is buggy, dev hsr_slave_1 [ 705.361533][ T3989] overlayfs: failed to resolve './file1': -2 [ 705.389285][ T3990] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 705.437382][ T3990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 705.462578][ T3990] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 705.489858][ T3990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 705.602656][ T3990] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 705.620389][ T3990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:14 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2eaf66696c65312c75707065726469723d824666696c6530bdc4fd3b5f1a8423e3403ef0a363be89dc16e72f6113b45dc4731c584e0381032879b4187252b436d81f39f6cd7378cbbd95dd0cd3090e07267ec34043f8232e195a6642808458ccf3c61a7ea0f38b7c66e20722a476850e5da9b18f1853321431277d4a5dd6f4323fa5677be14efe6f40b1d9f08a7a29d012399d43f6fa5d0ee194d0ad727beb6e82a36af3aa063b787581d2bf6e3dba3f5cf36fe3ed3170cca4d98652b8e9ab1f3c76720b817aaec8c522cf"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006801004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:14 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 705.655759][ T3990] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 705.681416][ T3990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 705.726469][ T4008] overlayfs: failed to resolve './file1': -2 23:38:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100076809000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:14 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 705.913518][ T4029] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 705.921273][ T4028] overlayfs: failed to resolve './file1': -2 [ 705.962200][ T4029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 706.024419][ T4029] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 706.051086][ T4029] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 706.076685][ T4036] overlayfs: failed to resolve '‚Ffile0½Äý;_„#ã@>ð£c¾‰Üç/a´]ÄsXN(y´rR´6Ø9öÍsx˽•Ý Ó &~Ã@Cø#.ZfB€„XÌóÆ~ ó‹|fâ"¤v…]©±S21'}J]Öô2?¥g{áNþo@±ÙðŠz)Ð9Cöú]á”Эr{ën‚£jóª;xuÒ¿n=º?óoãí1p̤نR¸é«ð£c¾‰Üç/a´]ÄsXN(y´rR´6Ø9öÍsx˽•Ý Ó &~Ã@Cø#.ZfB€„XÌóÆ~ ó‹|fâ"¤v…]©±S21'}J]Öô2?¥g{áNþo@±ÙðŠz)Ð9Cöú]á”Эr{ën‚£jóª;xuÒ¿n=º?óoãí1p̤نR¸é«0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:14 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x40082406, &(0x7f0000000300)='posix_acl_access\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) accept4$vsock_stream(r0, &(0x7f00000005c0)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x1800) setsockopt$CAN_RAW_FD_FRAMES(r0, 0x65, 0x5, &(0x7f0000000100)=0x1, 0x4) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000580)=ANY=[@ANYBLOB="6c6f7765726499343921ec4eb0aca7133769723d2e2f6275732c776f726b6469723d2e2f66c8a8696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) setxattr$security_selinux(&(0x7f0000000340)='./file1\x00', &(0x7f0000000380)='security.selinux\x00', &(0x7f00000003c0)='system_u:object_r:dbusd_etc_t:s0\x00', 0x21, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0xff}, &(0x7f00000002c0)=0x8) unlink(&(0x7f00000001c0)='./bus/file0\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r2, 0x29, 0x23, &(0x7f0000000440)={{{@in6=@remote, @in=@remote}}, {{@in=@empty}, 0x0, @in=@loopback}}, &(0x7f0000000540)=0xe8) 23:38:15 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100076c09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:15 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x20000000}}, 0x1c) [ 706.320660][ T4045] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 706.378143][ T4045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 706.400474][ T4045] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) 23:38:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000007401004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 706.422582][ T4045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 706.536090][ T4045] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 706.594851][ T4045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 706.650703][ T4045] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 706.677751][ T4045] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:15 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100077409000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 706.782152][ T4085] overlayfs: failed to resolve './file0': -2 23:38:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000007a01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 706.975257][ T4088] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 706.992320][ T4088] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 707.033264][ T4088] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 707.054491][ T4088] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 707.183630][ T4088] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 707.221172][ T4088] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:16 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='./bus/file1\x00') write$capi20(r0, &(0x7f00000000c0)={0x10, 0x9, 0x19, 0x80, 0x4, 0x3}, 0x10) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) sendto$unix(r1, &(0x7f00000001c0)="8d2f79ceb595fb7ed26bfdaa448778ee44c1729042262d", 0x17, 0x14, &(0x7f0000000440)=@abs={0x1, 0x0, 0x4e20}, 0x6e) r2 = syz_open_dev$dmmidi(&(0x7f0000000140)='/dev/dmmidi#\x00', 0x2, 0x18200) ioctl$EVIOCGKEY(r2, 0x80404518, &(0x7f0000000340)=""/153) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x2c010000}}, 0x1c) 23:38:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 707.255736][ T4088] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 707.268079][ T4088] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 707.379633][ T4115] overlayfs: failed to resolve './file0': -2 23:38:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000fff01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:16 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100077a09000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:16 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mount(&(0x7f0000000140)=ANY=[@ANYBLOB='/d\x00'/12], &(0x7f00000002c0)='./bus\x00', &(0x7f0000000340)='qnx6\x00', 0x18080a4, 0x0) openat$vim2m(0xffffffffffffff9c, &(0x7f0000000100)='/dev/video35\x00', 0x2, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$isdn_base(0x22, 0x3, 0x0) creat(&(0x7f0000000300)='./bus\x00', 0xa) sendmmsg$sock(r0, &(0x7f0000003700), 0x0, 0x4000001) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000003900)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c653025cb435bebf54367a53125a8625d348bf37c9dca8491ae7204479ddce33d5ae0938c6ba0f25b238933db3b18e4c66ef00ec6edbd23abe320844eedabe1141b12301642c55dec674de1053b7af14095643b4ca53bcabfa65095092a25613b2e4a53a346abfcffffffffffffff107f85df8694e2d5f1c3c3116cb17b72ad41170137"]) openat$dir(0xffffffffffffff9c, &(0x7f0000000380)='./file1\x00', 0x301900, 0x304) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') flistxattr(0xffffffffffffffff, &(0x7f0000003840)=""/174, 0xae) [ 707.509580][ T4120] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 707.515052][ T4129] overlayfs: failed to resolve './file0': -2 [ 707.517409][ T4120] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 707.539425][ T4120] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 707.546191][ T4120] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 707.703709][ T4120] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000014d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 707.778117][ T4120] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 707.788202][ T4139] overlayfs: failed to resolve './file0%ËC[ëõCg¥1%¨b]4‹ó|Ê„‘®rGÜã=Zà“Œk ò[#‰3Û;äÆnðÆí½#«ã „Ní«á0BÅ]ìgMá;zñ@•d;L¥;Ê¿¦P• *%a;.JS£F«üÿÿÿÿÿÿÿ…߆”âÕñÃÃl±{r­A7': -2 23:38:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 707.827356][ T4120] F2FS-fs (loop3): Small segment_count (22 < 9 * 14) [ 707.860413][ T4145] overlayfs: failed to resolve './file0%ËC[ëõCg¥1%¨b]4‹ó|Ê„‘®rGÜã=Zà“Œk ò[#‰3Û;äÆnðÆí½#«ã „Ní«á0BÅ]ìgMá;zñ@•d;L¥;Ê¿¦P• *%a;.JS£F«üÿÿÿÿÿÿÿ…߆”âÕñÃÃl±{r­A7': -2 23:38:16 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) accept4$nfc_llcp(0xffffffffffffffff, &(0x7f0000000100), &(0x7f00000002c0)=0x60, 0x180c00) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) ioctl$SIOCX25GCAUSEDIAG(r3, 0x89e6, &(0x7f0000000600)={0xa0, 0x3}) ioctl$EVIOCGSND(r2, 0x8040451a, &(0x7f0000000540)=""/118) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r1}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYRES32=r1]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 707.888355][ T4120] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:16 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000a000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000100)='./bus/file0\x00', 0xd3) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) fsconfig$FSCONFIG_SET_PATH(r0, 0x3, &(0x7f0000000040)='overlay\x00', &(0x7f0000000140)='./bus/file1\x00', r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:16 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3f000000}}, 0x1c) [ 708.163110][ T4164] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:16 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000034d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 708.232456][ T4164] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 708.292782][ T4164] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(10) [ 708.327427][ T4164] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 708.491794][ T4164] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 708.529953][ T4164] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:17 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000044d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 708.540486][ T4164] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(10) [ 708.570077][ T4164] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:17 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000b000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 708.795274][ T4208] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 708.822965][ T4208] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 708.855192][ T4208] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(11) [ 708.892734][ T4208] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 708.947024][ T4219] overlayfs: missing 'lowerdir' 23:38:17 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000140)='./bus/file1\x00', 0x4) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f0000000100)='./bus/file0\x00') 23:38:17 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000084d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 709.216997][ T4232] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b64fb723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:18 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000c000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:18 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3fffffff}}, 0x1c) 23:38:18 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000654d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:18 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = getuid() mount$bpf(0x0, &(0x7f0000000100)='./bus/file0\x00', &(0x7f0000000140)='bpf\x00', 0x100000, &(0x7f0000000440)={[{@mode={'mode', 0x3d, 0x4}}, {@mode={'mode', 0x3d, 0x3ff}}, {@mode={'mode', 0x3d, 0x7cb}}, {@mode={'mode', 0x3d, 0x7}}, {@mode={'mode', 0x3d, 0x9}}, {@mode={'mode', 0x3d, 0xec0}}, {@mode={'mode'}}, {@mode={'mode', 0x3d, 0x8001}}], [{@pcr={'pcr', 0x3d, 0x2e}}, {@smackfshat={'smackfshat', 0x3d, '\':vboxnet1cgroupeth1{\x0ecpuset[proc'}}, {@smackfshat={'smackfshat', 0x3d, 'overlay\x00'}}, {@uid_eq={'uid', 0x3d, r0}}]}) mount$9p_virtio(&(0x7f00000002c0)='\':vboxnet1cgroupeth1{\x0ecpuset[proc', &(0x7f00000005c0)='./bus/file0\x00', &(0x7f0000000600)='9p\x00', 0x40000, &(0x7f0000000640)={'trans=virtio,', {[{@access_user='access=user'}], [{@smackfshat={'smackfshat', 0x3d, 'smackfshat'}}]}}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1000001, 0x10012, r1, 0x0) setsockopt$inet6_buf(r1, 0x29, 0x14, &(0x7f0000000340)="d096624f4edbbbf02097ec221cf85a7fe0aacac0beeb1513bf218b9697b86df38de99b9320a7a675ae12cdb0bcb80dd81f877515d4dc9439677e66960d13ec84e0e3e759eb40a14a60e8a0f3dd65311a74fd591c2862b1494e7a94a05ae0a85c850a1f49979d216138d754f1b9e5a7fd901da0ed0ee773b1486060f7b5180fe65d1b7bac19d785e5e56b34b050e7080ad5749ad7e13aa2c779b042e2b58aeb025285501bfa1a8236ffd3bae74f72c8b75c5752a96b6c7979d46361bac5", 0xbd) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 709.425192][ T4244] overlayfs: missing 'lowerdir' 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 709.455204][ T4251] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 709.492746][ T4251] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 709.521599][ T4251] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(12) [ 709.533903][ T4256] overlayfs: missing 'lowerdir' 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 709.566297][ T4251] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:18 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000664d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 709.669733][ T4251] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 709.672916][ T4262] overlayfs: missing 'lowerdir' [ 709.686114][ T4251] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 709.695779][ T4251] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(12) [ 709.705885][ T4251] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:18 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000d000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x2040, 0x0) write$P9_RREADDIR(r0, &(0x7f0000000140)={0x2e, 0x29, 0x2, {0x800, [{{0x0, 0x0, 0x6}, 0x1d, 0x1b, 0xb, './bus/file0'}]}}, 0x2e) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./bus\x00', 0x22) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 709.797767][ T4271] overlayfs: unrecognized mount option "workdûr=./file1" or missing value [ 709.817117][ T4271] overlayfs: unrecognized mount option "workdûr=./file1" or missing value 23:38:18 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000300004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 709.902183][ T4277] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 709.954592][ T4281] overlayfs: missing 'lowerdir' 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.003346][ T4285] overlayfs: failed to resolve './file0': -2 [ 710.012994][ T4277] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 710.066637][ T4285] overlayfs: failed to resolve './file0': -2 [ 710.083821][ T4277] F2FS-fs (loop3): Invalid log sectorsize (13) [ 710.111855][ T4295] overlayfs: missing 'lowerdir' 23:38:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.136120][ T4277] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 710.232994][ T4299] overlayfs: missing 'lowerdir' 23:38:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x40000000}}, 0x1c) 23:38:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) llistxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000340)=""/190, 0xbe) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f6275732c776f726b646978568595509f96465b723d2e2f6669a0256af4b683a96772640900000000000000"]) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000000), 0x4) getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140), 0x10) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.292276][ T4277] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 710.315202][ T4277] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 710.345533][ T4277] F2FS-fs (loop3): Invalid log sectorsize (13) [ 710.373089][ T4311] overlayfs: unrecognized mount option "lobus" or missing value [ 710.403128][ T4277] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 710.449829][ T4317] overlayfs: unrecognized mount option "lobus" or missing value 23:38:19 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="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"]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:19 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000400004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:19 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000e000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') umount2(&(0x7f0000000100)='./file0\x00', 0x8) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.597213][ T4329] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 710.602435][ T4332] overlayfs: missing 'lowerdir' [ 710.611550][ T4329] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 710.622506][ T4329] F2FS-fs (loop3): Invalid log sectorsize (14) 23:38:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.655602][ T4329] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) accept4(r0, &(0x7f0000000100)=@vsock={0x28, 0x0, 0x0, @hyper}, &(0x7f00000001c0)=0x80, 0x800) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000300)={0x0, 0x18, 0xfa00, {0x3, &(0x7f00000002c0)={0xffffffffffffffff}, 0x111, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_NOTIFY(r0, &(0x7f0000000340)={0xf, 0x8, 0xfa00, {r2, 0xc}}, 0x10) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="6c6f0200727469723d2e2f6275732c776f726b6469723d2e2f66696c65b12c75707065726469723d2e2f663f6c6530a40f869968521d8715b5a6b6fa592d227b251d8d91a99590bc0de31e208480b69710d6ad6b6ed5f4406efaa4c3d404c0"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 710.712700][ T4336] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 710.717859][ T4339] overlayfs: unrecognized mount option "uppe" or missing value [ 710.750621][ T4339] overlayfs: unrecognized mount option "uppe" or missing value 23:38:19 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f00000002c0)=0xc) chown(&(0x7f0000000100)='./bus/file0/file0\x00', r1, r2) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 710.823057][ T4344] overlayfs: missing 'lowerdir' 23:38:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:19 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000800004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 710.874023][ T4329] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 710.903957][ T4329] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 710.951473][ T4329] F2FS-fs (loop3): Invalid log sectorsize (14) [ 710.961860][ T4355] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 710.970392][ T4329] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 710.992660][ T4355] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:38:19 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x44000000}}, 0x1c) 23:38:19 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070011000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:19 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x2ac) ioctl$VT_WAITACTIVE(r1, 0x5607) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 711.264785][ T4380] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 711.276959][ T4378] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 711.285159][ T4378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 711.293640][ T4380] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:38:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 711.310913][ T4378] F2FS-fs (loop3): Invalid log sectorsize (17) [ 711.325024][ T4378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:20 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006500004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 711.377648][ T4382] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:20 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mknod$loop(&(0x7f0000000100)='./bus/file0\x00', 0x6000, 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 711.508110][ T4395] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 711.533572][ T4395] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 711.595798][ T4378] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 711.647296][ T4378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 711.684606][ T4378] F2FS-fs (loop3): Invalid log sectorsize (17) [ 711.700319][ T4378] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 711.728363][ T4407] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 711.760007][ T4412] overlayfs: unrecognized mount option "upper" or missing value 23:38:20 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) read$char_usb(r0, &(0x7f0000000440)=""/193, 0xc1) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:20 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070012000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:20 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006600004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 711.886504][ T4416] overlayfs: unrecognized mount option "upper" or missing value [ 712.034431][ T4424] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 712.068049][ T4424] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:20 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x68060000}}, 0x1c) 23:38:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:20 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r2 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r3 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r3, r2, r3}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r4 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r5 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r5, r4, r5}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r6 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r7 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r7, r6, r7}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) r8 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r9 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r9, r8, r9}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) write$binfmt_script(r1, &(0x7f0000000740)=ANY=[@ANYPTR, @ANYPTR=&(0x7f00000007c0)=ANY=[@ANYRESHEX=r9, @ANYRES32=0x0], @ANYRESDEC, @ANYRESOCT=r2, @ANYRES32=r5, @ANYRESOCT, @ANYPTR64=&(0x7f0000000600)=ANY=[@ANYBLOB="438ef13cf47dfa41ca14dcf327aeaf9523234f78e671c3b7de70e99acb97ebfa22c7f46bb23832c86fbb4e06c59584e237301ec43a6095551da196118113b7b32e68a876da2adeb73db0f5eab04e7b"], @ANYRESOCT=0x0, @ANYPTR=&(0x7f0000000680)=ANY=[@ANYPTR64=&(0x7f00000001c0)=ANY=[@ANYRESHEX, @ANYRES64=r3, @ANYRESOCT], @ANYPTR64=&(0x7f00000002c0)=ANY=[@ANYPTR64, @ANYRESHEX], @ANYRESOCT=0x0, @ANYPTR, @ANYRESDEC=r0, @ANYBLOB="ca5243d44405e4f597bd1dcbf9174b800e6a74c61f857a1e0713ad313537a3aff1996ddd015962191a8fb7ae6c85f8993391ec789d921dc97f87ffedd442bb63ca3449028234c682bb9aa0950c92def8c7aad32d746575b6d7cc191c49b484cd5837c0d5"]], 0x7d) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$KVM_SET_FPU(r1, 0x41a0ae8d, &(0x7f0000000440)={[], 0x4, 0x9, 0xa5, 0x0, 0x8, 0x0, 0xf000, [], 0x10000}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 712.090058][ T4424] F2FS-fs (loop3): Invalid log sectorsize (18) [ 712.119464][ T4424] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 712.175496][ T4440] overlayfs: unrecognized mount option "upper" or missing value [ 712.212783][ T4424] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f00000001c0)='./file2\x00', 0x81) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r1, r0, r1}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000600)=ANY=[@ANYRESDEC=r1, @ANYBLOB="5b37676c58e83f055dcd5d62d6a324def1a009c0e570b9968c90fcba382cef3ed229203a39c1aef5abf671f51e1baaeb2d3aefa75a3d133886423ea79a89b3d88e298e75af0c7c2a2dd3ac989944d78066222d18f1d0268487e98456a32cfd1f0eabe4a9da1bdeb778e68af5213b0044a18cc5610dad2bf77cbf904d8b0a14152e8a8a9cd4927830eb1d780cb3349850dc88906373744cf5b554b8c25444cd1443bfd530a282f6da588743627a4300d143a4f5f4da57db5e955920271087183da2bdaee3319bbf30739d1fbc8b4c8281b46cfb3417bf5dcd28cfe98b28324d3584b9a98b53cffec0e2aedc129770f0", @ANYRESOCT, @ANYRESOCT, @ANYBLOB="e6436967c7d4ed36ff58174594f2a675a0726b8d22b31d76e644835a241a5920e154c46710ae2de3e26c8a9b9a176e75453797a034ac3ff8d0f25b2a7483952639cc6f089722fb085bb1dc62e75d972ccba99434efb3ab2636bb80300c4a3b9a6f"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 712.235069][ T4424] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 712.274310][ T4424] F2FS-fs (loop3): Invalid log sectorsize (18) 23:38:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 712.282583][ T4424] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:21 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070040000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 712.406232][ T4456] overlayfs: unrecognized mount option "00000000000827546420[7glXè?]Í]bÖ£$Þñ  Àåp¹–Œüº8" or missing value [ 712.414607][ T4455] overlayfs: workdir and upperdir must be separate subtrees 23:38:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 712.452420][ T4457] overlayfs: unrecognized mount option "00000000000809240113[7glXè?]Í]bÖ£$Þñ  Àåp¹–Œüº8" or missing value 23:38:21 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000201004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 712.551171][ T4462] overlayfs: workdir and upperdir must be separate subtrees [ 712.634974][ T4461] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 712.655739][ T4461] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 712.723541][ T4461] F2FS-fs (loop3): Invalid log sectorsize (64) [ 712.751220][ T4461] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 712.833848][ T4461] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 712.848091][ T4461] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 712.872313][ T4461] F2FS-fs (loop3): Invalid log sectorsize (64) [ 712.911092][ T4461] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:21 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) lsetxattr$security_selinux(&(0x7f0000000000)='./file1\x00', &(0x7f0000000380)='security.selinux\x00', &(0x7f0000000440)='system_u:object_r:initctl_t:s0\x00', 0x1f, 0x2) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = syz_open_dev$sndpcmp(&(0x7f0000000100)='/dev/snd/pcmC#D#p\x00', 0x1, 0x80) ioctl$KVM_SET_DEVICE_ATTR(r1, 0x4018aee1, &(0x7f00000002c0)={0x0, 0xf1c5, 0x1, &(0x7f0000000140)=0x6a}) mkdir(&(0x7f0000000340)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000003c0)='./bus/file0\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726bb860a9266469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) bpf$MAP_CREATE(0x0, &(0x7f0000000300)={0x9, 0xffffffff, 0x7, 0x10e, 0x20, r0, 0x3, [], 0x0, r0, 0x2, 0x2}, 0x3c) r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000540)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) ioctl$VIDIOC_S_INPUT(r3, 0xc0045627, &(0x7f0000000580)=0x1b) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000008c0)={0xffffffffffffffff, 0xffffffffffffffff}) fstat(r4, &(0x7f0000000840)={0x0, 0x0, 0x0, 0x0, 0x0}) fstat(0xffffffffffffffff, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x0, 0x0}) mount$9p_xen(&(0x7f0000000480)='selfsystemvboxnet0\x00', &(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)='9p\x00', 0x0, &(0x7f0000000640)={'trans=xen,', {[{@version_L='version=9p2000.L'}, {@nodevmap='nodevmap'}, {@fscache='fscache'}], [{@uid_eq={'uid', 0x3d, r5}}, {@fowner_lt={'fowner<', r6}}, {@fsmagic={'fsmagic', 0x3d, 0xcf88}}, {@smackfshat={'smackfshat', 0x3d, ',userppp0procbdevcgroupGPLsystem.eth1'}}]}}) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:21 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000301004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = add_key(&(0x7f00000002c0)='user\x00', &(0x7f0000000300)={'syz', 0x1}, &(0x7f0000000340)='\n', 0x1, 0xfffffffffffffffe) r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) keyctl$instantiate(0xc, r1, &(0x7f0000000180)=@encrypted_new={'new ', 'default', 0x20, 'user:', 'system$q\x8a', 0x20, 0x3}, 0x30, 0xffffffffffffffff) r3 = add_key(&(0x7f00000002c0)='user\x00', &(0x7f0000000300)={'syz', 0x1}, &(0x7f0000000340)='\n', 0x1, 0xfffffffffffffffe) keyctl$clear(0x7, r3) add_key$keyring(&(0x7f0000000600)='keyring\x00', &(0x7f0000000640)={'syz', 0x1}, 0x0, 0x0, r3) keyctl$clear(0x7, r0) openat$sequencer2(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/sequencer2\x00', 0x18000, 0x0) r4 = add_key$keyring(&(0x7f0000000580)='keyring\x00', &(0x7f00000005c0)={'syz', 0x3}, 0x0, 0x0, r0) add_key(&(0x7f0000000440)='dns_resolver\x00', &(0x7f0000000480)={'syz', 0x0}, &(0x7f00000004c0)="0d0f69aa42bb8207213b4e1a8f5b395325580957f1a874d88d26b23d9505c1a65ffbe4a688aae71acc5653a7ff7825d7c1a980928273efeed0aa340b65c2cee44ee816c7baa501460a2d3e5c5099563881c4b63a8422aa271e99d2b45c1da71e45a7ef9a82e2aedd7e40409ff88ffc9fecdf58eaea0da04a83691bb93d9eabc6df", 0x81, r4) mkdir(&(0x7f0000000100)='./bus\x00', 0xa0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x66, &(0x7f00000002c0)={0x0, 0x6}, &(0x7f0000000340)=0x8) openat$dir(0xffffffffffffff9c, &(0x7f0000000140)='./bus/file2\x00', 0x40000, 0x1a8) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,we1,\t\x00\x00\x00rdir=./file0']) r6 = syz_open_dev$adsp(&(0x7f0000000380)='/dev/adsp#\x00', 0x80000000, 0x190100) ioctl$USBDEVFS_RELEASE_PORT(r6, 0x80045519, &(0x7f00000003c0)=0x1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7f000000}}, 0x1c) 23:38:21 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000703ce000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 713.062577][ T4482] overlayfs: workdir and upperdir must be separate subtrees [ 713.116160][ T4488] overlayfs: unrecognized mount option "work¸`©&dir=./file1" or missing value 23:38:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 713.166928][ T4488] 9pnet: Could not find request transport: xen [ 713.262501][ T4488] overlayfs: unrecognized mount option "work¸`©&dir=./file1" or missing value [ 713.277628][ T4500] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 713.317090][ T4506] 9pnet: Could not find request transport: xen [ 713.343189][ T4500] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 713.358119][ T4500] F2FS-fs (loop3): Invalid log sectorsize (206) 23:38:22 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="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"]) unlink(&(0x7f0000000080)='./bus/file1\x00') mknod$loop(&(0x7f0000000100)='./file0\x00', 0x8000, 0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 713.378609][ T4500] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 713.379560][ T4509] overlayfs: failed to resolve './fil': -2 23:38:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000401004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:22 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 713.526062][ T4515] overlayfs: failed to resolve './file0tœÀß”Gþ': -2 [ 713.557776][ T4500] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 713.592895][ T4500] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 713.612158][ T4521] overlayfs: failed to resolve './fil': -2 [ 713.625784][ T4515] overlayfs: failed to resolve './file0tœÀß”Gþ': -2 23:38:22 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000501004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:22 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 713.644405][ T4500] F2FS-fs (loop3): Invalid log sectorsize (206) [ 713.675830][ T4500] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:22 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) lstat(&(0x7f0000000100)='./bus/file1\x00', &(0x7f0000000340)) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:22 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070002000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 713.794775][ T4535] overlayfs: failed to resolve './fil': -2 23:38:22 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 713.944896][ T4543] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 713.963975][ T4543] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 713.997075][ T4543] F2FS-fs (loop3): Invalid log sectorsize (2) [ 714.020344][ T4543] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 714.059007][ T4552] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 714.107122][ T4556] overlayfs: failed to resolve './file': -2 [ 714.283529][ T4543] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 714.307680][ T4543] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='ov\x8arh|y\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:23 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x8dffffff}}, 0x1c) 23:38:23 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 714.353138][ T4543] F2FS-fs (loop3): Invalid log sectorsize (2) [ 714.386902][ T4543] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000601004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') symlink(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='./bus\x00') mount$overlay(0x400000, &(0x7f0000000300)='./bus/file1\x00', &(0x7f0000000400)='overlay\x00', 0x1240000, &(0x7f0000000300)=ANY=[]) pipe2(&(0x7f00000002c0), 0x82000) unlink(&(0x7f0000000340)='./file0/file0\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:23 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070003000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 714.475116][ T4572] overlayfs: failed to resolve './file': -2 23:38:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f0000000100)='./bus/file0\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:23 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c67776572646972532eb4ad030000000000000700723d2e2f66696c65312c75707065726469723d2e2f66696c6530e845d0f0d63a2153d53c380cfbb5e6c19428fb934c363fd34798189afa00300b77027a5c957d88757f5720e5379afe3b94bb5367ef3f871b3cf75e1d09a30f9e45766ab6751320b2fa1f3a5b97681c14d4aa2791066341e7d4f31a500675d4c6852cfa99e061a684b85585ed624d05d6b12afc6964"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 714.702754][ T4591] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 714.724643][ T4597] overlayfs: failed to resolve './file': -2 23:38:23 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000701004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 714.777205][ T4600] overlayfs: unrecognized mount option "lgwerdirS.´­" or missing value [ 714.798144][ T4591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:23 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 714.844817][ T4601] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 714.848304][ T4591] F2FS-fs (loop3): Invalid log sectorsize (3) [ 714.861762][ T4600] overlayfs: unrecognized mount option "lgwerdirS.´­" or missing value [ 714.886264][ T4591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f00000001c0)='./bus/file1\x00', 0x8) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) utime(&(0x7f0000000100)='./bus/file0\x00', &(0x7f0000000140)={0xfff, 0x7}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2ec8e86c3d6a0c5824707065726469723d2e2f66696c65309d3723c4dc7d5d14b1785f86d1c246de5d470be03b63461fd14ccc7e4dcf7955bdac21c4b1e3dc5e2cb2b839545bdc4f8e25234d559d9029c8b00e422def9595e25c8e9d89f1128e0b1f6586f1033b33129620da34f6b113b14204dacaf4a0bc4cb11191d3894fd93f9523ea5fa80620e84a83c9271fb3c46afd44e9f7aae5eb06723fe373e910069550436b7e65e29e6ccdbfd9950364e4a2f7be78200c721bdf08afee2578463991897a0dc08ab99c3b7fcf52ef164c911fcf8fe20238b4c7903dbe34035f"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000140)={&(0x7f0000000100)='./file2\x00', r0}, 0x10) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 715.003098][ T4591] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 715.028835][ T4591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 715.067502][ T4591] F2FS-fs (loop3): Invalid log sectorsize (3) [ 715.078141][ T4591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:24 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xbcff0000}}, 0x1c) 23:38:24 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000801004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) perf_event_open(&(0x7f0000000340)={0x2, 0x70, 0x3ea, 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, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioprio_get$pid(0x1, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:24 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070004000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 715.360255][ T4645] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:24 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 715.409521][ T4645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 715.423321][ T4645] F2FS-fs (loop3): Invalid log sectorsize (4) [ 715.430206][ T4645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 715.476355][ T4634] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 715.523023][ T4645] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 715.548160][ T4645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 715.564750][ T4645] F2FS-fs (loop3): Invalid log sectorsize (4) 23:38:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000901004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = syz_open_dev$admmidi(&(0x7f00000002c0)='/dev/admmidi#\x00', 0x9, 0x600200) recvmsg$can_j1939(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000640)=[{&(0x7f0000000340)=""/53, 0x35}, {&(0x7f0000000380)}, {&(0x7f0000000440)=""/244, 0xf4}, {&(0x7f0000000540)=""/96, 0x60}, {&(0x7f00000003c0)=""/57, 0x39}, {&(0x7f00000005c0)=""/124, 0x7c}], 0x6, &(0x7f00000006c0)=""/119, 0x77}, 0x10000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d312c75707075726469723d2e0566696c6530000000000000"]) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000000100)={0x0}) r3 = syz_open_dev$vbi(&(0x7f00000001c0)='/dev/vbi#\x00', 0x3, 0x2) getsockopt$inet_mreqn(r3, 0x0, 0x24, &(0x7f0000000380)={@remote, @broadcast}, &(0x7f0000000780)=0xc) ioctl$DRM_IOCTL_LOCK(r0, 0x4008642a, &(0x7f0000000140)={r2}) unlink(&(0x7f0000000080)='./bus/file1\x00') r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r4, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r4, 0x0) ioctl$NS_GET_NSTYPE(r4, 0xb703, 0x0) [ 715.610202][ T4645] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:24 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070005000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:24 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, 0x0, &(0x7f0000000280)) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 715.762617][ T4664] overlayfs: unrecognized mount option "uppurdir=.file0" or missing value 23:38:24 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000a01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 715.890799][ T4669] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 715.920148][ T4669] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 715.974117][ T4669] F2FS-fs (loop3): Invalid log sectorsize (5) [ 716.015958][ T4669] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 716.096182][ T4669] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 716.112725][ T4669] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 716.128416][ T4669] F2FS-fs (loop3): Invalid log sectorsize (5) [ 716.162485][ T4669] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:25 executing program 4: ioctl$TIOCNOTTY(0xffffffffffffffff, 0x5422) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f84696c65312c75707065726469723d2e2f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') setxattr$security_smack_entry(&(0x7f0000000100)='./bus/file1/file0\x00', &(0x7f0000000140)='security.SMACK64IPIN\x00', &(0x7f00000002c0)='overlay\x00', 0x8, 0x2) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, 0x0, &(0x7f0000000280)) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xd9dbbb1e}}, 0x1c) 23:38:25 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070006000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000b01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, 0x0, &(0x7f0000000280)) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 716.436746][ T4698] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 716.481440][ T4698] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 716.517556][ T4698] F2FS-fs (loop3): Invalid log sectorsize (6) 23:38:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 716.536964][ T4698] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 716.650026][ T4698] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, 0x0) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 716.733605][ T4698] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 716.745127][ T4725] overlayfs: failed to resolve './„ile1': -2 [ 716.759508][ T4698] F2FS-fs (loop3): Invalid log sectorsize (6) [ 716.776395][ T4730] overlayfs: failed to resolve './„ile1': -2 [ 716.780778][ T4698] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='\x00\x00\x00\x00\b\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,uppe\adir=./file0']) bpf$OBJ_GET_PROG(0x7, &(0x7f0000000140)={&(0x7f0000000100)='./bus\x00', 0x0, 0x10}, 0x10) unlink(&(0x7f0000000080)='./bus/file1\x00') setxattr(&(0x7f00000001c0)='./bus/file1\x00', &(0x7f00000002c0)=@random={'os2.', 'overlay\x00'}, &(0x7f0000000340)='overlay\x00', 0x8, 0x0) 23:38:25 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000140)={&(0x7f0000000100)='./file2\x00', r0}, 0x10) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:25 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070007000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, 0x0) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:25 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000d01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 717.046407][ T4742] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 717.063451][ T4742] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, 0x0) setuid(r1) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 717.104223][ T4742] F2FS-fs (loop3): Invalid log sectorsize (7) [ 717.128333][ T4742] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:25 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe0ffffff}}, 0x1c) 23:38:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000e01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:26 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070008000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_PRI(r1, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0xca6000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x38, r2, 0x300, 0x70bd2d, 0x25dfdbfb, {{}, 0x0, 0x4108, 0x0, {0x1c, 0x18, {0x10001, @bearer=@l2={'eth', 0x3a, 'veth1_to_bridge\x00'}}}}, ["", "", "", ""]}, 0x38}, 0x1, 0x0, 0x0, 0x1}, 0x20) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) r3 = syz_init_net_socket$llc(0x1a, 0x0, 0x0) setsockopt$llc_int(r3, 0x10c, 0x5, &(0x7f0000000000), 0x4) write$binfmt_misc(r3, &(0x7f0000000340)={'syz1', "2dae5ba038c2f9a44e8d81395965704aeb03e627235ef33b8aa03770dde393a50eff39a8a944aa98fddb4e4d9dbc2f6fe09500f10ffe7aa1868bab87b89f969b0f7386ab1bcb75a06f2c52bf7ebf6125134d15160231c7bfe8eb1f1b80b604de8cd0fb25144b7642e3"}, 0x6d) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$PPPIOCCONNECT(r0, 0x4004743a, &(0x7f0000000100)=0x3) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f776572646900002e2f6275732c776f726b6469723d2eb04b1daf2f66696c65312c757000000000000000e42e66696c653042f64842ea1a2a5b2d924c4b4fea68a74d10fef0b88dbafa25806e0951e2f26e6d40966f806bda689fdea1ff41"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:26 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 717.414634][ T4777] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 717.468104][ T4777] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 717.496831][ T4777] F2FS-fs (loop3): Invalid log sectorsize (8) [ 717.536236][ T4777] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001001004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:26 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 717.719058][ T4777] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 717.758093][ T4777] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 717.792805][ T4777] F2FS-fs (loop3): Invalid log sectorsize (8) [ 717.828363][ T4777] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001101004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:26 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000a000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:26 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) setuid(0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 718.028961][ T4811] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 718.059712][ T4811] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 718.098457][ T4811] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(10) [ 718.120714][ T4811] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:26 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe8030000}}, 0x1c) 23:38:26 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000001201004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(0x0) [ 718.341245][ T4811] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 718.403678][ T4811] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 718.418892][ T4811] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(10) [ 718.429701][ T4811] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:27 executing program 4: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070012000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:27 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000b000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(0x0) 23:38:27 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000002501004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$PPPIOCCONNECT(r0, 0x4004743a, &(0x7f0000000100)=0x4) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 718.718918][ T4847] F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 718.779812][ T4847] F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock [ 718.802059][ T4847] F2FS-fs (loop4): Invalid log sectorsize (18) 23:38:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) unlink(0x0) [ 718.823789][ T4847] F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock [ 718.837736][ T4864] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 718.854051][ T4864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 718.862918][ T4864] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(11) [ 718.871663][ T4864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:27 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000c000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:27 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') umount2(&(0x7f0000000100)='./file0\x00', 0x8) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:27 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000004801004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:27 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xe8c1ffff}}, 0x1c) 23:38:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) lsetxattr$security_ima(&(0x7f0000000140)='./bus/file0\x00', &(0x7f00000001c0)='security.ima\x00', &(0x7f0000000340)=@v2={0x3, 0x1, 0xe, 0x101, 0x86, "0aa3a73e6fdd30d9ed0d644d6ca8a40e316feac29191d257538a88fd336e25e4c53bb99a95478dcc18fe48f0d2897b27bceb6ebaf2498707674aba6e75dce4e0f19f2fb09841ca01c788ef077cfeb5ae737adecc5083ae958fb8919a94e5416f6184780467d5d63822591c963417ef2d8ca04df67b8771ae44d586e4acae3418c8e1f17ac01e"}, 0x90, 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$CAPI_REGISTER(r0, 0x400c4301, &(0x7f0000000100)={0xb2, 0xfffffff9, 0x4e782732}) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 719.161485][ T4878] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 719.218865][ T4878] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 719.249099][ T4878] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(12) [ 719.265515][ T4878] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000004c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 719.379782][ T4878] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 719.417474][ T4878] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 719.452553][ T4878] F2FS-fs (loop3): Invalid log sectors per block(3) log sectorsize(12) 23:38:28 executing program 4: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000003b0f01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 719.496171][ T4878] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:28 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000d000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 719.690782][ T4915] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 719.722211][ T4915] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 719.755182][ T4915] F2FS-fs (loop3): Invalid log sectorsize (13) [ 719.772984][ T4915] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000005c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:28 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000e000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:28 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x107) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') pipe2$9p(&(0x7f00000002c0), 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r1) r2 = socket(0x40000000015, 0x5, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) r4 = openat$full(0xffffffffffffff9c, &(0x7f0000000340)='/dev/full\x00', 0x46b6edcc9731da55, 0x0) ioctl$DRM_IOCTL_RES_CTX(r4, 0xc0106426, &(0x7f00000004c0)={0x2, &(0x7f0000000380)=[{}, {}]}) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r3, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f0000000180)=0x8) unshare(0x8000400) epoll_pwait(0xffffffffffffffff, &(0x7f0000000140)=[{}], 0x1, 0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000000)={r5}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x11, &(0x7f0000000140)={r5}, &(0x7f0000000180)=0x10) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000100)={r5, 0x6, 0x4, [0x1, 0x7, 0x131f, 0x1000]}, &(0x7f0000000140)=0x10) unlink(&(0x7f0000000080)='./bus/file1\x00') openat$dlm_monitor(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/dlm-monitor\x00', 0x4000, 0x0) r6 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000440)='./cgroup/syz1\x00', 0x200002, 0x0) r7 = openat$cgroup_ro(r6, &(0x7f0000000480)='cpuset.memory_pressure\x00', 0x275a, 0x0) write$binfmt_script(r7, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r7, 0x0) ioctl$SG_GET_NUM_WAITING(r7, 0x227d, &(0x7f00000001c0)) 23:38:28 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xf4010000}}, 0x1c) [ 720.085855][ T4936] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 720.131727][ T4936] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 720.163601][ T4936] F2FS-fs (loop3): Invalid log sectorsize (14) 23:38:28 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006801004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 720.174474][ T4936] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:29 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ioctl$DRM_IOCTL_RM_MAP(r0, 0x4028641b, &(0x7f0000000100)={&(0x7f0000ffb000/0x2000)=nil, 0x5, 0x7, 0x10, &(0x7f0000ffd000/0x2000)=nil, 0x5}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r1, 0x408c5333, &(0x7f0000000340)={0x3f, 0x5, 0x9, 'queue0\x00', 0xffff}) 23:38:29 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070010000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 720.436158][ T4959] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 720.447579][ T4959] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 720.488390][ T4959] F2FS-fs (loop3): Invalid log sectorsize (16) [ 720.497106][ T4959] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:29 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000006c01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:29 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070011000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:29 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 720.764908][ T4979] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 720.778879][ T4979] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 720.800316][ T4979] F2FS-fs (loop3): Invalid log sectorsize (17) [ 720.828473][ T4979] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:29 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xf5ffffff}}, 0x1c) 23:38:29 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000007401004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 720.993772][ T4979] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 721.012029][ T4989] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 721.028270][ T4979] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:29 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f779f65646972260001d775732c9ef106235a20ae192e2f66e46dfcf82c757070657264692f66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:29 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 721.088193][ T4979] F2FS-fs (loop3): Invalid log sectorsize (17) [ 721.104550][ T4979] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:29 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070012000000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:29 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000540)={[{@mode={'mode', 0x3d, 0xb96}}, {@mode={'mode', 0x3d, 0x2}}], [{@obj_user={'obj_user', 0x3d, '(\xbf]\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@uid_gt={'uid>', r2}}, {@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@fsname={'fsname', 0x3d, 'overlay\x00'}}, {@dont_appraise='dont_appraise'}, {@audit='audit'}, {@uid_gt={'uid>'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) [ 721.258788][ T5006] overlayfs: unrecognized mount option "lowŸedir&" or missing value 23:38:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 721.303866][ T5006] overlayfs: unrecognized mount option "lowŸedir&" or missing value 23:38:30 executing program 1: connect$ax25(0xffffffffffffffff, &(0x7f0000000100)={{0x3, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0x2}, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @default, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]}, 0x48) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x26) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 721.401344][ T5012] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 721.416996][ T5012] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:30 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000007a01004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 721.456034][ T5012] F2FS-fs (loop3): Invalid log sectorsize (18) [ 721.486897][ T5012] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:30 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = geteuid() syz_mount_image$ext4(&(0x7f0000000100)='ext2\x00', &(0x7f0000000140)='./file1\x00', 0x5, 0x2, &(0x7f00000001c0)=[{&(0x7f0000000340)="a051c131490b2cc8cedce236e27a0082dcacee148d36be56665c0b86fec2f72956082e1fed8fdf541a92928815f2da932653446d9a88e86e0c4b617168aa6c0fcd599b5b30b73b67a9c368893baa5584183153ab624a6315f2c98dc0b29f845e28e95a37f9f74bf5ba636775db479e0dce442e623304cc67c11d0aac38e9cc998aefcd0271fe74a4e79cee719fad47bad872d8456cfd9f68a3e8c2e60a22c40602cc31a80b9eb7758fef77f9a58e17b8e3109d23", 0xb4, 0x4}, {&(0x7f0000000440)="bcce118bd6c5ad5df49caf8f0e64b8c16729494749a2d1a3cf2bc19e368d517f172b86ccb961bbf3878a5d06f5afc90ffd63c7a351f289a6718aa6f35d239932a483b46616c219e56b2ea74c17a6ecabbbc96245a9e106b393389a5d15e96c36e73133ec9d57078e23f193987fc2c761a122f87035a485f44136593dca30a0f280e42fed5e4745d71334ac2e155593c957f629eaa7896859b62a87af4d81389b9398fd049c98001970802428502e41133368e10576fe8fb9ba36811dbf", 0xbd, 0x1}], 0xe23802300bf7c5fd, &(0x7f0000000500)={[{@usrquota='usrquota'}, {@journal_checksum='journal_checksum'}, {@noblock_validity='noblock_validity'}], [{@obj_role={'obj_role', 0x3d, ',})\\'}}, {@smackfsroot={'smackfsroot', 0x3d, '-)'}}, {@fsname={'fsname'}}, {@fowner_gt={'fowner>', r0}}, {@audit='audit'}]}) [ 721.594808][ T5012] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 721.621457][ T5012] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 721.666998][ T5012] F2FS-fs (loop3): Invalid log sectorsize (18) [ 721.703780][ T5012] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:30 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfc000000}}, 0x1c) 23:38:30 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000540)={[{@mode={'mode', 0x3d, 0xb96}}, {@mode={'mode', 0x3d, 0x2}}], [{@obj_user={'obj_user', 0x3d, '(\xbf]\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@uid_gt={'uid>', r2}}, {@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@fsname={'fsname', 0x3d, 'overlay\x00'}}, {@dont_appraise='dont_appraise'}, {@audit='audit'}, {@uid_gt={'uid>'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) 23:38:30 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700ce030000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 721.851891][ T5042] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:30 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000003004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:30 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765b9d469723d2e2f6275732c776f726b646972392e2f66696c65312c75707065726469723d2e2f66696c65304d16c02d59c8d6cabd89bbc311e1cd61044ce272d913b406de6a6181a7e282e329abdc798278b036"]) unlink(&(0x7f0000000080)='./bus/file1\x00') r0 = syz_open_dev$vbi(&(0x7f00000001c0)='/dev/vbi#\x00', 0x1, 0x2) setsockopt$inet6_tcp_TCP_REPAIR(r0, 0x6, 0x13, &(0x7f00000002c0), 0x4) [ 722.017560][ T5065] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 722.061700][ T5065] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 722.088466][ T5065] F2FS-fs (loop3): Invalid log sectorsize (974) [ 722.099467][ T5065] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:30 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000540)={[{@mode={'mode', 0x3d, 0xb96}}, {@mode={'mode', 0x3d, 0x2}}], [{@obj_user={'obj_user', 0x3d, '(\xbf]\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@uid_gt={'uid>', r2}}, {@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@fsname={'fsname', 0x3d, 'overlay\x00'}}, {@dont_appraise='dont_appraise'}, {@audit='audit'}, {@uid_gt={'uid>'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) [ 722.176760][ T5074] overlayfs: unrecognized mount option "lowe¹Ôir=./bus" or missing value [ 722.217703][ T5065] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 722.250553][ T5084] overlayfs: failed to resolve './file0': -2 [ 722.270225][ T5074] overlayfs: unrecognized mount option "lowe¹Ôir=./bus" or missing value [ 722.280359][ T5065] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 722.297701][ T5065] F2FS-fs (loop3): Invalid log sectorsize (974) 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:31 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,worjdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 722.314063][ T5065] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:31 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000000010000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 722.444039][ T5103] overlayfs: failed to resolve './file0': -2 [ 722.460720][ T5101] overlayfs: unrecognized mount option "worjdir=./file1" or missing value 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 722.494878][ T5101] overlayfs: unrecognized mount option "worjdir=./file1" or missing value [ 722.523115][ T5107] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 722.585367][ T5107] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 722.626162][ T5113] overlayfs: failed to resolve './file0': -2 23:38:31 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfe800000}}, 0x1c) 23:38:31 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000005004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:31 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) 23:38:31 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x10) lsetxattr$trusted_overlay_origin(&(0x7f0000000100)='./bus/file0\x00', &(0x7f0000000140)='trusted.overlay.origin\x00', &(0x7f00000001c0)='y\x00', 0x2, 0x2) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x10f) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275ff00776f7a6b64fdf6c8334fe239c812f65f0a5b7f2daea74a15d537525d69723d2e"]) accept4$inet6(r0, 0x0, &(0x7f00000002c0), 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 722.681657][ T5107] F2FS-fs (loop3): Invalid log sectors per block(1) log sectorsize(9) [ 722.698522][ T5107] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 722.777764][ T5107] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 722.809082][ T5123] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 722.839436][ T5107] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 722.865472][ T5140] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 722.884645][ T5107] F2FS-fs (loop3): Invalid log sectors per block(1) log sectorsize(9) 23:38:31 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000100)) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000140)=0x0) migrate_pages(r1, 0x100, &(0x7f00000001c0)=0x401, &(0x7f00000002c0)=0xffffffff) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) perf_event_open(&(0x7f0000000380)={0x2, 0x70, 0x3, 0xa0, 0x8, 0x0, 0x0, 0xdf, 0x1000, 0x4, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, @perf_bp={&(0x7f0000000340), 0x5}, 0xf1f5de1cd85d38ac, 0xfffffffffffffffb, 0x3ff, 0x2, 0x80000001, 0x1df, 0x5}, 0x0, 0x8, r2, 0x9) [ 722.910992][ T5107] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:31 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) 23:38:31 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000000020000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000b004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 723.425693][ T5165] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 723.438870][ T5165] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 723.454222][ T5165] F2FS-fs (loop3): Invalid log sectors per block(2) log sectorsize(9) [ 723.472833][ T5165] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 723.597755][ T5165] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 723.608826][ T5165] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 723.626958][ T5165] F2FS-fs (loop3): Invalid log sectors per block(2) log sectorsize(9) 23:38:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfe80ffff}}, 0x1c) 23:38:32 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:32 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240), &(0x7f0000000280)=0x5) 23:38:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x10) creat(&(0x7f0000000040)='./file1\x00', 0x1d9) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f0000000140)='./bus/file0\x00', &(0x7f0000000100)='./bus/file0\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:32 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000c004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 723.673385][ T5165] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:32 executing program 4: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:32 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009020000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 723.807356][ T5195] overlayfs: missing 'lowerdir' [ 723.815556][ T5195] overlayfs: missing 'lowerdir' 23:38:32 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') socket$inet_udplite(0x2, 0x2, 0x88) [ 723.857347][ T5203] overlayfs: failed to resolve './file1': -2 23:38:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = getpid() ioprio_set$pid(0x2, r0, 0x400) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:32 executing program 4: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 723.999843][ T5211] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 724.033984][ T5211] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 724.034463][ T5212] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 724.056910][ T5211] F2FS-fs (loop3): Invalid log sectorsize (521) [ 724.063677][ T5211] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 724.067178][ T5222] overlayfs: failed to resolve './file1': -2 23:38:32 executing program 4: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80000) ioctl$PERF_EVENT_IOC_RESET(r1, 0x2403, 0x0) arch_prctl$ARCH_GET_FS(0x1003, &(0x7f0000000140)) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000002c0)={0x0, @in6={{0xa, 0x4e23, 0xe503, @empty, 0x4}}, [0x6, 0x9, 0x8, 0x100, 0x80000000, 0x0, 0x3ff, 0x8001, 0x4, 0x400, 0x0, 0xffff, 0xfffffffffffffffe, 0x6, 0xffffffffffffffff]}, &(0x7f00000001c0)=0x100) getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f00000003c0)={r2, 0xaba}, &(0x7f0000000440)=0x8) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) ioctl$KDGETMODE(r3, 0x4b3b, &(0x7f0000000580)) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000480)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66b96c6530a35e2b75c43119086078d5555c99202bd0aa0615c58916ab43224e44a14c88d25d07032c022b7e4c35f5b0e0ac7e9acb94bf77d219bf4ebddd5bf87db7e08a21d2dc05efd426763a79cfedd228f76878cfe2f6faf0668a88885e29d6cd3d03acb7a2018325adf6d668af51aada0c18e8ed1cd7f701b7f29be16f02a484eef3b9a2df4cd08996f83e6cc3dbf38e71214599bcfe12cd26290becc59646cf493913313b664aa1805808ebab78f6dceefd297476e709e1bfcbe17aa5e804c18928"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 724.304505][ T5211] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 724.320976][ T5235] overlayfs: failed to resolve './file1': -2 [ 724.331375][ T5211] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 724.400431][ T5211] F2FS-fs (loop3): Invalid log sectorsize (521) [ 724.432821][ T5211] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:33 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfec0ffff}}, 0x1c) 23:38:33 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000d004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:33 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:33 executing program 4: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:33 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009030000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:33 executing program 4: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 724.643308][ T5257] overlayfs: failed to resolve './file1': -2 [ 724.742755][ T5265] overlayfs: failed to resolve './file1': -2 [ 724.769186][ T5258] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:33 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:33 executing program 4: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 724.788118][ T5258] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 724.800922][ T5258] F2FS-fs (loop3): Invalid log sectorsize (777) [ 724.831504][ T5258] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:33 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 724.908437][ T5277] overlayfs: failed to resolve './file1': -2 [ 724.964391][ T5258] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 724.974922][ T5258] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 725.004042][ T5258] F2FS-fs (loop3): Invalid log sectorsize (777) [ 725.015319][ T5258] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:33 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:33 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:34 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f7765706469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c65306f08eff4543b10fdf895a4d1ae0e9c42ff8a427c467db27fa97e5cc192f9dfdfa945c2b9e49ea8d5308257a7f735abaec6b95312300eb4a7aa2217814c244a160a20994cc0abd20895dec0c3f449df9e3e09aeb90db29975a85efe0a3dc84701ededf2fb868318e39e9cb50af62abf6a68f68ac4e1afaf295a"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 725.396937][ T5305] overlayfs: unrecognized mount option "lowepdir=./bus" or missing value [ 725.415014][ T5305] overlayfs: unrecognized mount option "lowepdir=./bus" or missing value 23:38:34 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff000000}}, 0x1c) 23:38:34 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009040000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:34 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:34 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) mount(&(0x7f0000000100)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./file2\x00', &(0x7f00000001c0)='exfat\x00', 0xa001, &(0x7f00000002c0)='\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:34 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000001f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 725.678777][ T5319] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 725.692354][ T5319] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 725.707184][ T5336] overlayfs: failed to resolve './file0': -2 23:38:34 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 725.743843][ T5321] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 725.762867][ T5319] F2FS-fs (loop3): Invalid log sectorsize (1033) 23:38:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:34 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6469723d9ec6ab2742949700000000000000052f66312c7570706572648d21f49071ccfc749130"]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 725.785010][ T5319] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 725.894194][ T5319] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 725.912984][ T5319] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 725.918953][ T5348] overlayfs: failed to resolve './file0': -2 23:38:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:34 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000020004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 725.947189][ T5319] F2FS-fs (loop3): Invalid log sectorsize (1033) [ 725.956045][ T5319] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 725.964238][ T5355] overlayfs: unrecognized mount option "ldir=žÆ«'B”—" or missing value [ 725.971791][ T5355] overlayfs: unrecognized mount option "ldir=žÆ«'B”—" or missing value [ 726.095468][ T5364] overlayfs: failed to resolve './file0': -2 23:38:35 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff010000}}, 0x1c) 23:38:35 executing program 1: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = openat$cgroup_ro(r0, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x0, 0x0) ioctl$TCSETXW(r1, 0x5435, &(0x7f0000000140)={0x8, 0x8, [0xfffe, 0x0, 0x6, 0xb2b, 0x7fff], 0xfff}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) stat(&(0x7f00000001c0)='./bus\x00', &(0x7f00000002c0)) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f623f0000006f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530762ba06af34de5bd03000000ca625bc64302bad66da98487b39672a04da9c6085ed698081f1d9c31c98a48dc1916ed6d161fad572a647568a8a29f3a490bbb4e23ac949cc95097e91aeb500a122a9c52401e911d1921a4"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:35 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009050000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:35 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:35 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000025004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 726.548388][ T5389] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 726.575911][ T5389] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 726.594020][ T5389] F2FS-fs (loop3): Invalid log sectorsize (1289) [ 726.601838][ T5389] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:35 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:35 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009060000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 726.845303][ T5414] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 726.870893][ T5414] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:35 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 726.908244][ T5414] F2FS-fs (loop3): Invalid log sectorsize (1545) [ 726.915869][ T5414] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 727.013784][ T5414] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 727.039767][ T5414] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 727.056141][ T5414] F2FS-fs (loop3): Invalid log sectorsize (1545) [ 727.067021][ T5414] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:36 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff030000}}, 0x1c) 23:38:36 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000003f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:36 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009070000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:36 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:36 executing program 1: mkdir(&(0x7f0000000000)='./bus/file1\x00', 0x10) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000100)='./bus/file1\x00', &(0x7f0000000400)='overlay\x00', 0x40, &(0x7f0000000440)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 727.412692][ T5454] overlayfs: missing 'lowerdir' [ 727.438372][ T5454] overlayfs: missing 'lowerdir' [ 727.452132][ T5456] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 727.476325][ T5456] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:36 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x40) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f0000000100)={&(0x7f0000ffa000/0x3000)=nil, 0x3000}, &(0x7f0000000140)=0x10) 23:38:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 727.496891][ T5456] F2FS-fs (loop3): Invalid log sectorsize (1801) [ 727.516299][ T5456] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:36 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:36 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$SIOCX25GDTEFACILITIES(r0, 0x89ea, &(0x7f00000002c0)) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) bpf$OBJ_GET_MAP(0x7, &(0x7f00000001c0)={&(0x7f0000000140)='./bus\x00', 0x0, 0x28}, 0x10) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) creat(&(0x7f0000000340)='./bus\x00', 0x85) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x4000006, 0x90018, r1, 0x0) ioctl$KVM_DEASSIGN_DEV_IRQ(r1, 0x4040ae75, &(0x7f0000000100)={0x99, 0x6, 0x3, 0x400}) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:36 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000040004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 727.687731][ T5456] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 727.717872][ T5456] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 727.755586][ T5456] F2FS-fs (loop3): Invalid log sectorsize (1801) [ 727.763464][ T5456] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 727.823721][ T5498] overlayfs: missing 'lowerdir' 23:38:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff070000}}, 0x1c) 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:37 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009080000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:37 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000397004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 728.297537][ T5517] overlayfs: missing 'lowerdir' [ 728.317277][ T5515] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 728.398116][ T5515] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 728.412389][ T5515] F2FS-fs (loop3): Invalid log sectorsize (2057) [ 728.427629][ T5515] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:37 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000002004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 728.535291][ T5515] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 728.549949][ T5537] overlayfs: missing 'lowerdir' [ 728.578363][ T5515] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 728.618422][ T5515] F2FS-fs (loop3): Invalid log sectorsize (2057) 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 728.624782][ T5515] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 728.792341][ T5549] overlayfs: missing 'lowerdir' 23:38:37 executing program 1: mkdir(&(0x7f0000000100)='./bus/file0\x00', 0x10c) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469fcffffff66696c6530"]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:37 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009090000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 728.903971][ T5561] overlayfs: failed to resolve './file0': -2 [ 728.961748][ T5567] overlayfs: missing 'lowerdir' [ 728.973790][ T5568] overlayfs: unrecognized mount option "upperdiüÿÿÿfile0" or missing value [ 728.989598][ T5560] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 728.993661][ T5568] overlayfs: unrecognized mount option "upperdiüÿÿÿfile0" or missing value [ 729.023069][ T5560] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:37 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff0f0000}}, 0x1c) 23:38:37 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000003004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:37 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000100)="b73a9bc15b1281972eb0b23e110d73d0a5d9eec9713c058d15c5d233ec1fe1467d88fc50696589e0") creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:37 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 729.071430][ T5560] F2FS-fs (loop3): Invalid log sectorsize (2313) [ 729.091669][ T5560] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 729.153873][ T5580] overlayfs: missing 'lowerdir' 23:38:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 729.212302][ T5560] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 729.234976][ T5560] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 729.244793][ T5560] F2FS-fs (loop3): Invalid log sectorsize (2313) [ 729.252690][ T5560] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 729.272899][ T5595] overlayfs: failed to resolve './file0': -2 23:38:38 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090a0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:38 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000004004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 729.411626][ T5597] overlayfs: missing 'lowerdir' 23:38:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:38 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 729.495885][ T5603] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 729.507608][ T5603] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 729.570400][ T5613] overlayfs: missing 'lowerdir' [ 729.586175][ T5603] F2FS-fs (loop3): Invalid log sectorsize (2569) [ 729.605460][ T5603] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 729.692120][ T5620] overlayfs: failed to resolve './file0': -2 [ 729.751498][ T5627] overlayfs: missing 'lowerdir' [ 729.769880][ T5603] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 729.777620][ T5603] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 729.788473][ T5603] F2FS-fs (loop3): Invalid log sectorsize (2569) 23:38:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 729.795219][ T5603] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:38 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff1f0000}}, 0x1c) 23:38:38 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:38 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000005004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:38 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) getxattr(&(0x7f0000000100)='./file1/../file0\x00', &(0x7f0000000140)=@random={'trusted.', '\x00'}, &(0x7f0000000440)=""/224, 0xe0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) fsetxattr(r0, &(0x7f00000001c0)=@random={'btrfs.', '-GPLtrusteduser%\x00'}, &(0x7f00000002c0)='\x00', 0x1, 0x1) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:38 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090b0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 729.970270][ T5631] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 729.993028][ T5631] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 730.155120][ T5644] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 730.198573][ T5652] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 730.226337][ T5644] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 730.229442][ T5652] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:39 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:39 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) setsockopt$netrom_NETROM_IDLE(r0, 0x103, 0x7, &(0x7f0000000100)=0xff, 0x4) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 730.264623][ T5657] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 730.287226][ T5652] F2FS-fs (loop3): Invalid log sectorsize (2825) [ 730.294486][ T5652] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:39 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000b004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:39 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 730.389032][ T5652] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 730.396902][ T5652] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 730.405870][ T5652] F2FS-fs (loop3): Invalid log sectorsize (2825) [ 730.412563][ T5652] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 730.493360][ T5667] overlayfs: option "workdir=." is useless in a non-upper mount, ignore 23:38:39 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090c0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 730.568362][ T5667] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 730.660899][ T5686] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 730.681971][ T5686] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 730.724757][ T5686] F2FS-fs (loop3): Invalid log sectorsize (3081) [ 730.732981][ T5686] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:39 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff3f0000}}, 0x1c) 23:38:39 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:39 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000c004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 730.911760][ T5686] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 730.921576][ T5686] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 730.963526][ T5686] F2FS-fs (loop3): Invalid log sectorsize (3081) [ 730.976435][ T5701] overlayfs: unrecognized mount option "upper" or missing value [ 730.988639][ T5686] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:39 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:39 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090d0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 731.115779][ T5712] overlayfs: unrecognized mount option "upper" or missing value 23:38:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 731.231993][ T5716] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 731.275551][ T5716] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 731.345399][ T5716] F2FS-fs (loop3): Invalid log sectorsize (3337) [ 731.362934][ T5716] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 731.363077][ T5729] overlayfs: unrecognized mount option "upper" or missing value 23:38:40 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f777d726469723d2e2f627573c601e9fd1a77f964d4cfbbd92c776f726b6469723d2e2f66696c6531cb2630cb2a"]) unlink(&(0x7f0000000080)='./bus/file1\x00') creat(&(0x7f0000000100)='./file2\x00', 0x300) 23:38:40 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:40 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000d004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 731.460804][ T5716] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 731.536477][ T5737] overlayfs: workdir and upperdir must be separate subtrees [ 731.563189][ T5716] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 731.574490][ T5744] overlayfs: unrecognized mount option "low}rdir=./busÆéýwùdÔÏ»Ù" or missing value [ 731.599848][ T5744] overlayfs: unrecognized mount option "low}rdir=./busÆéýwùdÔÏ»Ù" or missing value [ 731.611455][ T5716] F2FS-fs (loop3): Invalid log sectorsize (3337) [ 731.621160][ T5716] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:40 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xff7f0000}}, 0x1c) 23:38:40 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:40 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = syz_open_dev$dspn(&(0x7f00000002c0)='/dev/dsp#\x00', 0x3, 0x80000) ioctl$KVM_DEASSIGN_PCI_DEVICE(r0, 0x4040ae72, &(0x7f0000000440)={0x80000000, 0x4650, 0x6, 0x4, 0xf8}) r1 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r1, 0xc08c5334, &(0x7f0000000340)={0x0, 0x422ece23, 0x1000, 'queue1\x00', 0x9}) setxattr$security_selinux(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='security.selinux\x00', &(0x7f00000001c0)='system_u:object_r:xserver_misc_device_t:s0\x00', 0x2b, 0x3) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:40 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090e0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:40 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b0000000000000f004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:40 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 731.918949][ T5761] overlayfs: workdir and upperdir must be separate subtrees 23:38:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 731.986265][ T5763] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 732.008585][ T5763] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 732.020395][ T5768] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:40 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) renameat2(r0, &(0x7f00000002c0)='./bus/file1\x00', 0xffffffffffffff9c, &(0x7f0000001700)='./bus\x00', 0x1) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) recvmsg$kcm(r1, &(0x7f00000003c0)={&(0x7f0000000180)=@can, 0x80, &(0x7f0000001880)=[{&(0x7f0000000340)=""/74, 0x4a}, {&(0x7f0000000440)=""/227, 0xe3}, {&(0x7f0000000540)=""/252, 0xfc}, {&(0x7f0000000100)=""/17, 0x11}, {&(0x7f0000001900)=""/26, 0x1a}, {&(0x7f0000000640)=""/134, 0x86}, {&(0x7f0000000700)=""/4088, 0xff8}], 0x7, &(0x7f0000001780)=""/207, 0xcf}, 0x80000100) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 732.027692][ T5763] F2FS-fs (loop3): Invalid log sectorsize (3593) [ 732.046807][ T5763] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 732.113040][ T5777] overlayfs: failed to resolve './file1': -2 [ 732.120463][ T5781] overlayfs: workdir and upperdir must be separate subtrees 23:38:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:40 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 732.173370][ T5763] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 732.204468][ T5763] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:41 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000025004d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 732.269627][ T5763] F2FS-fs (loop3): Invalid log sectorsize (3593) [ 732.278831][ T5794] overlayfs: failed to resolve './fil': -2 [ 732.302916][ T5763] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 732.340201][ T5798] overlayfs: failed to resolve './file1': -2 23:38:41 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff0000}}, 0x1c) 23:38:41 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:41 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:41 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090f0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:41 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000034d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 732.856838][ T5832] overlayfs: failed to resolve './fil': -2 [ 732.868071][ T5828] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:41 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000097034d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 732.897031][ T5828] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 732.901706][ T5830] overlayfs: failed to resolve './file1': -2 23:38:41 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:41 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 732.949920][ T5828] F2FS-fs (loop3): Invalid log sectorsize (3849) [ 732.958282][ T5828] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 733.022466][ T5844] overlayfs: failed to resolve './fil': -2 [ 733.042282][ T5845] overlayfs: failed to resolve './file1': -2 23:38:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:42 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009100000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:42 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) creat(&(0x7f0000000100)='./bus/file0\x00', 0x80) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:42 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 733.344887][ T5866] overlayfs: failed to resolve './file1': -2 [ 733.351887][ T5865] overlayfs: failed to resolve './file': -2 [ 733.429714][ T5864] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 733.457894][ T5875] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 733.466365][ T5864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 733.507020][ T5864] F2FS-fs (loop3): Invalid log sectorsize (4105) [ 733.514626][ T5864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 733.578435][ T5864] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 733.592300][ T5864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 733.603872][ T5864] F2FS-fs (loop3): Invalid log sectorsize (4105) [ 733.617426][ T5864] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:42 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff0100}}, 0x1c) 23:38:42 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000654d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:42 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:42 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000100)='ns/pid\x00') ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r0, 0xc0506617, &(0x7f0000000340)={{0x1, 0x0, @identifier="90de0cc5fad4f5825bd729c89802c421"}}) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:42 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009110000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 733.734854][ T5888] overlayfs: failed to resolve './file1': -2 [ 733.745053][ T5891] overlayfs: failed to resolve './file': -2 23:38:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) 23:38:42 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 733.785210][ T5890] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:42 executing program 1: llistxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000340)=""/112, 0x70) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000000140)={&(0x7f0000ffe000/0x1000)=nil, 0x9, 0x0, 0x82, &(0x7f0000ffc000/0x4000)=nil, 0x9}) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) ioctl$TUNSETVNETLE(r0, 0x400454dc, &(0x7f00000001c0)=0x1) pipe2(&(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x85bb6bd50b36dd6d) ioctl$NBD_SET_SOCK(r1, 0xab00, r0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdire1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:42 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 733.911538][ T5911] overlayfs: failed to resolve './file': -2 [ 733.942732][ T5907] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(0x0, &(0x7f0000000440)=""/242, 0xf2) 23:38:42 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 733.967160][ T5907] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 733.996170][ T5907] F2FS-fs (loop3): Invalid log sectorsize (4361) [ 734.005705][ T5907] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 734.140582][ T5907] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 734.149276][ T5907] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 734.157853][ T5907] F2FS-fs (loop3): Invalid log sectorsize (4361) [ 734.164691][ T5907] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:43 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff0300}}, 0x1c) 23:38:43 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:43 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000000664d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:43 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009120000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(0x0, &(0x7f0000000440)=""/242, 0xf2) [ 734.667345][ T5953] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(0x0, &(0x7f0000000440)=""/242, 0xf2) 23:38:43 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x2820000, &(0x7f0000000900)=ANY=[@ANYBLOB="6c6f5765d3fc11723d2e2f6280732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x400300, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000280)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, './file0'}}, {@default_permissions='default_permissions'}]}) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) pipe(&(0x7f0000000a80)={0xffffffffffffffff, 0xffffffffffffffff}) close(r4) r5 = socket(0x40000000015, 0x5, 0x0) close(r5) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r6, &(0x7f0000d83fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r6, 0x84, 0x1d, &(0x7f0000000940)=ANY=[@ANYBLOB="238293a4154ca0333c8b73d7ae30c697cf5a4caf0950d093ee66a506e85dd756561282710f2aa915fd67e63c783c3cf31b4ccdb8260c15dac762f9378ea54c6bcf42fa1c6e2afcffffffffffffff3115cce7ef119b9056e2f3fc5204c036036521580afb6af393c93301e699cd342085740f60504c9b26f2b7f9542554c3f6431c0d69467861f8fb0e41bc2804e0da16ed2e790e44fb7e7f634f16fcc09dced9ad99186c0ce98dfbd9adce7ea5974ea0b120bcec6efd11956f1c20eb085795279bb15a4599acb65334885292c67d26bf50505daff64ae5f9f53938dec680b5dc98e42666", @ANYRES32=0x0], &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r5, 0x84, 0x66, &(0x7f0000000000)={r7}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_RTOINFO(r4, 0x84, 0x11, &(0x7f0000000140)={r7}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r1, 0x84, 0x79, &(0x7f0000000300)={r7, 0x80, 0x1}, 0x8) sendmsg$kcm(r0, &(0x7f00000002c0)={&(0x7f0000000340)=@rc={0x1f, {0x1, 0x5, 0x4, 0x3f, 0x3, 0x1f}, 0xff}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000440)="cc1fc2aaf58e2c27f2e56b07e5139b1d92a6b0d9de4c0411b738335ff40a8d54887919cd2f81c8eb6173bd578775bf862000074e4ecc3a02757a0191272d0ed3060f7025d824439faa9960da2b5c187c432bf9b8cbb8368c504fa1ed00a91ff5516ae9e4607d3a9f861de4c27bc1affdd4f97b4c0ca1ebd9554d88c76322b0880367b8cd0118e16879eb0f25fbd985", 0x8f}, {&(0x7f0000000140)="bd468a91f2553b59b84f57958b56fcbd37647606f12adfce3c3e7ec5775f881053", 0x21}], 0x2, &(0x7f0000000500)=ANY=[@ANYBLOB="780000000000000000000000000000006e25b4090b0707f8ba07d68bea2ed7f4107f573cb4ea65d2e8d959e1d44dc37349f948dada4689a84e127667bfcff25afc0fd1451e95dcb5e01ec965e1b712cc4d4627417d5fcaba0b08987e13ad43ca717a33a052f617ccfaacb29054f433d2e518139eb85a2a8ac80000000000000009010000a20d0000b88c19f39ae7931a624cdb4652cda43f60062ecfb96235560ed4ce680d231b0695af6e32d06d55e9e792c45c8408b032092926597ac7bbd826f8cb5fd5303828931f708785f0b00df8b403a89b5dd0e0fe08d23c0e2bdcbde3a6447a26608ee50e622e0461797d689de17c42012acf13085f48ccac904c597ccb6e8a7d782ee4e15ffef59ce91f3da17148d1582dd14ea5765d58e471e6b15fe4c01aa8814139461e672885242be3503e6cf7f362a3a2c0220000000000008800000000000000010100000100008028c45b4dad5daecd4dabadfe8c28f915be51a28de250751b0bf100af38f99e2b54a3aa436a62d73a8e3f0f078a66c1d07b92739fd1fc2cc9ebfa8e8349e9d567f28d88af0b30065db8a1a9200870f4748a6b2da275744b5a919140fbe93682581369d5b8d427ce000ade369da1ed2bb819a933bda2539ed710010000000000001301000001000000361ae05f8cdabbc6667a804578a260b9f07e81e444dd7826cc7ed404afeaab9d1b017d4d3e9f520accb6ad53ea4c38b329ad0cc8643ba5da811925a72abaf6884995af986d9a91f578721cd87461d8ab1f81e61cd95e64e0ec9f45424da53a733a7eccabe1acd40861e8e828d37582591baf985238ab1f046831588eb43aec3495155e03858b77909ffb59a0ac9def2eb5852d7b9aec4b13220c869d7bf677df4eafddf826f73ae766681d5daea8365caba2fe71396325bd1704170abdfe8465f74687aa550e9e39be02cd4232b041391731fe1ea76e1d8893031d18413a922047e283943eb13b49e0d33d3f5ec4d673348fc3ddbf4d14b821010e1c210000000001000000000000a94cb35f000000003e7eab164127c11b59c1e028d4f4795877d4b354184509711ccbd7f7da72a8c526d254290ba449d036af74f661de9a1eba770653cd6297dfdc35ba258c6d4676aab0ebecffb16fee2a5f2973b7ed44d1f208ac8a6bca90086c0d896b5c947048e19f1d86387b0cbbdad6be69b8aea5620f88625b90bb49b4f9ccb614bce6e47359b8834df593dde20b94d1e5f45c0d86d618da825d7eae92fbe418f229bac9e641d18eb47ac965b929ed846bdddfca4c441c56ac07c2690ca899cc2683c6deefe17d7a13cb8495644775fb84fb0b6c61a04588a112c3ca50224396a17706ba5a749c86c48eadebf519ca86202b172e00"], 0x3d8}, 0xdcc40d96f25abb37) unlink(&(0x7f0000000080)='./bus/file1\x00') io_setup(0x1, &(0x7f0000000100)) [ 734.732276][ T5953] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 734.751267][ T5953] F2FS-fs (loop3): Invalid log sectorsize (4617) 23:38:43 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 734.786615][ T5953] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:43 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010025010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) [ 734.875971][ T5953] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 734.904154][ T5953] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 734.915702][ T5953] F2FS-fs (loop3): Invalid log sectorsize (4617) [ 734.925384][ T5953] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:43 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009140000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) [ 735.224827][ T5990] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 735.246024][ T5990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 735.254746][ T5990] F2FS-fs (loop3): Invalid log sectorsize (5129) [ 735.303351][ T5990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 735.465541][ T5990] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 735.486967][ T5990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:44 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff0700}}, 0x1c) 23:38:44 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:44 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001024d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) [ 735.510458][ T5990] F2FS-fs (loop3): Invalid log sectorsize (5129) [ 735.530238][ T5990] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:44 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:44 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009250000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:44 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2}, 0x0) clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000200)='stat\x00') exit(0x0) preadv(r0, &(0x7f0000000440)=[{&(0x7f00000001c0)=""/48, 0x30}], 0x1, 0x0) 23:38:44 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000000), 0x4) dup(r0) mkdir(&(0x7f0000000180)='./bus\x00', 0x20) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:44 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 735.805044][ T6028] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 735.808818][ T6027] overlayfs: failed to resolve './file0': -2 [ 735.830727][ T6028] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 735.839729][ T6028] F2FS-fs (loop3): Invalid log sectorsize (9481) [ 735.846312][ T6028] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:44 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001034d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:44 executing program 4: openat$capi20(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/capi20\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1000}, 0x0, 0x4, 0xffffffffffffffff, 0x0) accept4$inet6(0xffffffffffffffff, &(0x7f00000002c0)={0xa, 0x0, 0x0, @empty}, 0x0, 0x80000) r0 = syz_open_dev$sndctrl(&(0x7f0000000240)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(r0, 0xc0045516, &(0x7f00000001c0)=0x20a) perf_event_open(&(0x7f0000001000)={0xffffffffffffffff, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8ce, 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, @perf_bp={0x0, 0x2}, 0x1000000000c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0xc1105517, &(0x7f0000001000)) close(r0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r1 = open(&(0x7f0000000100)='./bus\x00', 0x100, 0x2) sendto$inet(r1, &(0x7f0000000380)="08958fa10b18a2421366cee1bf9b7a4055fa3fd18a411a7ea62a371525aa36535b1c447725d68f51a2d0d8381c8453bc54927135f4da15770c572051954e87db8d99fff6656f30a5bc64253e030d72894a7e7410329eb2e69ca3000f2e31a59254d5fa41ffc1b96bcf5b678d15f251b1e383b6699f000c", 0x77, 0x0, 0x0, 0x0) r2 = getpid() sched_setattr(r2, &(0x7f0000000040)={0x30, 0x2}, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r3, 0x0, 0xffffff37, 0x2000, 0x0) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r5, 0x407, 0x0) write(r5, 0x0, 0x0) vmsplice(r4, &(0x7f0000000000), 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r6 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rfkill\x00', 0x0, 0x0) readv(r6, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x2}], 0x2000000000000009) close(r6) [ 735.933687][ T6040] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:44 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000100)='./file2\x00', 0x88) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') setxattr$security_ima(&(0x7f0000000040)='./file2\x00', &(0x7f0000000140)='security.ima\x00', &(0x7f00000001c0)=@ng={0x4, 0x4, "74fd65ba82f51b9940aa"}, 0xc, 0x2) [ 735.996789][ T6047] overlayfs: failed to resolve './file0': -2 [ 736.169787][ T6057] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 23:38:45 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff0f00}}, 0x1c) 23:38:45 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000240)={0x9, 0x1, 0x6, 0xd}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000300), &(0x7f00000000c0)}, 0x20) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000180)={r0, &(0x7f00000000c0)}, 0x20) 23:38:45 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:45 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009480000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:45 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x191000, 0x0) ioctl$TCXONC(r0, 0x540a, 0x5) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') r1 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000040)={'syz', 0x3}, &(0x7f0000000340)="585ccbe4ed83b836c1a6474914dc55e72206297b6895b66147b3c7218a9169a85ea0bdc9e1587a050000000000000042e33089754c8107c3cd3923dd4a71c2ff06007b6b4816122d2550829eaa9435c99926022b8753a188748c569f435fb3bae96efb74b50ec93c152f5e8e198a29e5c0d0c60000ce0637ce003d661ff5ff70e48884ca000018cea71fcfacf40d32e4b58a8d2725561f6110fd7b06f90b5274cc5c1e298a16324fe27da2a9d5ba9ff3c009d308bd73f4772539", 0x2b2, 0xfffffffffffffffe) r2 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f00000005c0)={'syz'}, &(0x7f0000000000)="1d", 0x1, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r2, r1, r2}, &(0x7f0000000440)=""/243, 0xf3, &(0x7f0000000240)={&(0x7f0000000080)={'sha224-generic\x00'}}) mount$overlay(0x400000, &(0x7f00000002c0)='./bus/file0\x00', &(0x7f0000000140)='overlay\x00', 0x202000, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:45 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001044d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 736.458180][ T6067] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 736.494040][ T6071] overlayfs: failed to resolve './file0': -2 23:38:45 executing program 4: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_read_part_table(0x7, 0x2, &(0x7f0000000140)=[{&(0x7f0000000040)}, {&(0x7f0000000380)="1a7779f1633cefd0be4e1fc4c48e96048c1e0f4bbc4027772fe74a6cabb4f665f4fe12d5294c588bf9b813ca0622c9761ecd05094846fd747fd84e50d48d9b7af43169ee9ee6cb138dbf42c7a3234b87d7450b39dc780b1318c5a55a9953fdeebf2344b5869aed4623c1f0247da36e9b3e4fcac2e02d99d81da3801608a74fa0fd3b84d7", 0x84, 0x120}]) 23:38:45 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) 23:38:45 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 736.514780][ T6067] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 736.538454][ T6067] F2FS-fs (loop3): Invalid log sectorsize (18441) [ 736.547233][ T6067] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:45 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x10, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir?./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:45 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700094c0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:45 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 736.774241][ T6093] Dev loop4: unable to read RDB block 1 [ 736.781923][ T6093] loop4: unable to read partition table [ 736.805133][ T6105] overlayfs: unrecognized mount option "lowerdir?./bus" or missing value [ 736.806841][ T6093] loop4: partition table beyond EOD, truncated [ 736.824693][ T6105] overlayfs: unrecognized mount option "lowerdir?./bus" or missing value [ 736.833476][ T6093] loop_reread_partitions: partition scan of loop4 () failed (rc=-5) [ 736.872157][ T6106] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 736.915817][ T6106] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 736.926875][ T6106] F2FS-fs (loop3): Invalid log sectorsize (19465) [ 736.933644][ T6106] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 737.015123][ T6106] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 737.038195][ T6106] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 737.060638][ T6106] F2FS-fs (loop3): Invalid log sectorsize (19465) [ 737.078954][ T6106] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:46 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff1f00}}, 0x1c) 23:38:46 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001054d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:46 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) clone3(&(0x7f00000003c0)={0x102c80, &(0x7f0000000140), &(0x7f00000001c0), &(0x7f00000002c0)=0x0, 0x2b, 0x0, &(0x7f0000000440)=""/234, 0xea, &(0x7f0000000540)=""/197}, 0x40) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) perf_event_open(&(0x7f0000000340)={0x5, 0x70, 0x5, 0x4, 0xf2, 0x8, 0x0, 0x9, 0x21, 0x3, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x9, 0x6, @perf_bp={&(0x7f0000000980), 0x15}, 0x1000, 0xfffffffffffff801, 0x2, 0x6, 0x1, 0x6, 0x7}, r0, 0xe, r1, 0x3) link(&(0x7f00000008c0)='./file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000080)='ip6_vti0\x00 \x00', 0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) connect$inet(r2, &(0x7f0000000200)={0x2, 0x0, @initdev}, 0x10) write$binfmt_elf32(r2, &(0x7f0000000100)=ANY=[@ANYBLOB="4ef27f454c4600000033006c0000000000ffffff8323050200000000bba00b00c0000000000900040000669972d1826b0018001000000000"], 0x44) unlink(&(0x7f0000000080)='./bus/file1\x00') r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) execveat(r5, &(0x7f0000000640)='./file2\x00', &(0x7f00000006c0)=[&(0x7f0000000680)='nodev]selinux\x00'], &(0x7f0000000880)=[&(0x7f0000000700)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00', &(0x7f0000000780)='.\x00', &(0x7f00000007c0)='\x00', &(0x7f0000000800)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00'], 0x400) 23:38:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(0x0, &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:46 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x2, &(0x7f0000000080)={0x1, &(0x7f00000000c0)=[{0x6, 0x0, 0x0, 0x50000}]}) syz_mount_image$ext4(&(0x7f0000000500)='ext3\x00', &(0x7f0000000540)='./file0\x00', 0x15d40426, 0x1, &(0x7f0000000600)=[{0x0, 0x0, 0x1d}], 0x80, 0x0) syz_mount_image$msdos(&(0x7f0000000000)='msdos\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) r1 = accept(r0, &(0x7f0000000180)=@caif, &(0x7f0000000200)=0x80) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r1, 0x29, 0xd3, &(0x7f0000000240)={{0xa, 0x4e20, 0x24, @loopback, 0x3}, {0xa, 0x0, 0x80, @local, 0xb2d}, 0x58a7, [0x7, 0x1, 0x1, 0x401, 0x8, 0x2, 0x9, 0xaf6]}, 0x5c) 23:38:46 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700095c0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 737.338498][ T6130] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 737.368056][ T6130] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 737.413333][ T6130] F2FS-fs (loop3): Invalid log sectorsize (23561) [ 737.431996][ T6130] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 737.497630][ T26] audit: type=1326 audit(1573515526.227:268): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x50000 [ 737.537635][ T26] audit: type=1326 audit(1573515526.227:269): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 [ 737.560967][ T26] audit: type=1326 audit(1573515526.227:270): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 23:38:46 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001064d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 737.599166][ T6140] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 737.681358][ T26] audit: type=1326 audit(1573515526.227:271): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 [ 737.710331][ T26] audit: type=1326 audit(1573515526.227:272): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 [ 737.737781][ T26] audit: type=1326 audit(1573515526.227:273): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 23:38:46 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009600000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 737.773143][ T26] audit: type=1326 audit(1573515526.227:274): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45a219 code=0x50000 [ 737.814187][ T26] audit: type=1326 audit(1573515526.227:275): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x50000 23:38:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 737.868205][ T26] audit: type=1326 audit(1573515526.227:276): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=53 compat=0 ip=0x45a219 code=0x50000 [ 737.906945][ T6162] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 737.939003][ T6162] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 737.976886][ T6162] F2FS-fs (loop3): Invalid log sectorsize (24585) 23:38:46 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001074d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 737.980339][ T26] audit: type=1326 audit(1573515526.227:277): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=6127 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x45d05a code=0x50000 [ 738.019639][ T6162] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:47 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff3f00}}, 0x1c) 23:38:47 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 738.244458][ T6162] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 738.310266][ T6162] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 738.356331][ T6162] F2FS-fs (loop3): Invalid log sectorsize (24585) [ 738.410140][ T6162] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x100) mkdir(&(0x7f0000000100)='./file1\x00', 0x84) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:47 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009680000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:47 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001084d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 738.698315][ T6209] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 738.706301][ T6209] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, 0x0, &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 738.774512][ T6219] overlayfs: failed to resolve './file0': -2 [ 738.781312][ T6209] F2FS-fs (loop3): Invalid log sectorsize (26633) [ 738.791698][ T6220] overlayfs: failed to resolve './file0': -2 [ 738.795599][ T6209] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r1, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r2, 0x10c, 0x5, &(0x7f0000000000), 0x4) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f00000005c0)={{{@in6=@empty, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@local}}, &(0x7f00000003c0)=0xe8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000440)={0x0, 0x0, 0x0}, &(0x7f0000000480)=0xc) r6 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r7) mount$9p_fd(0x0, &(0x7f00000002c0)='./bus/file1\x00', &(0x7f0000000380)='@p\x00', 0x4, &(0x7f0000000800)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@version_u='version=9p2000.u'}, {@dfltuid={'dfltuid', 0x3d, r4}}, {@dfltgid={'dfltgid', 0x3d, r5}}, {@version_9p2000='version=9p2000'}, {@uname={'uname', 0x3d, 'vboxnet1'}}, {@access_user='access=user'}, {@privport='privport'}], [{@euid_lt={'euid<', r7}}, {@dont_appraise='dont_appraise'}, {@appraise_type='appraise_type=imasig'}, {@obj_type={'obj_type', 0x3d, '*)cpuset\x00'}}]}}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, 0xffffffffffffffff) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYRES32]) msync(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1) execve(&(0x7f0000000100)='./bus/file1\x00', &(0x7f00000004c0)=[&(0x7f0000000140)='selfem1cpuset]!}\x00', &(0x7f00000001c0)='keyring\x00', &(0x7f0000000500)='-\xf8\xce\x99\x15h\x16\f\xc8\xb0eKs\xf3\x9cl\x8e\xa5\xcc\xaco\x156\xb4l\x03i\x14\x8a\x13s\x9a\x01\xe8\xda\x04:0e\xe8\xc5\xb8yB\x8b\xce\x84\xdd-\x9fl\xf1\x90(=\x8fm\xe6D\xc3\x0f\xdc\xf7\x8a\xf5\x17\xa1\x7f\r\xc9U]\xfb\xf0\x8b\xfb\x11\xf2\xabt\xa7(\xa4A\xa77\xa2\x9by\xbe\x8btKS\n\xcez+-\xed\xf2\x97\xda\x96^f\x935N\xee\xe1\xb7I\xae\xaf\x1f\xccqF>\x81\xabX\xf8j\xad\xd05\x82`#\\\xeeh6mV(\xc3\xafS\xa2n\xa9\xf8\xa5x', &(0x7f0000000340)=']proc\x00'], &(0x7f0000000480)) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 738.882285][ T6209] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 738.923784][ T6209] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 738.938137][ T6209] F2FS-fs (loop3): Invalid log sectorsize (26633) [ 738.944748][ T6209] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:47 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001094d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:47 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700096c0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:47 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff7f00}}, 0x1c) 23:38:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:47 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 739.248538][ T6250] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 739.301077][ T6250] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 739.312855][ T6250] F2FS-fs (loop3): Invalid log sectorsize (27657) [ 739.325424][ T6250] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 739.403023][ T6250] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 739.419399][ T6250] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 739.445738][ T6250] F2FS-fs (loop3): Invalid log sectorsize (27657) [ 739.471742][ T6250] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010a4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:48 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009740000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 739.686580][ T6276] overlayfs: missing 'lowerdir' 23:38:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 739.739932][ T6279] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 739.791974][ T6279] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 739.828554][ T6279] F2FS-fs (loop3): Invalid log sectorsize (29705) [ 739.854328][ T6279] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 739.854638][ T6292] overlayfs: missing 'lowerdir' 23:38:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010b4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, 0x0) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r1]) getgroups(0x3, &(0x7f0000000100)=[0x0, 0x0, r1]) setfsgid(r2) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 739.966215][ T6279] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 739.996058][ T6279] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:48 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 740.039852][ T6302] overlayfs: missing 'lowerdir' [ 740.053939][ T6279] F2FS-fs (loop3): Invalid log sectorsize (29705) 23:38:48 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffff80fe}}, 0x1c) 23:38:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 740.104283][ T6279] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:48 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700097a0000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:48 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010c4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 740.265125][ T6315] overlayfs: missing 'lowerdir' 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 740.363518][ T6325] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 740.374817][ T6319] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 740.392005][ T6325] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 740.404363][ T6325] F2FS-fs (loop3): Invalid log sectorsize (31241) 23:38:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r1, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0x1, 0x40010, r1, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000100)={0x0, 0xe8, &(0x7f0000000440)=[@in6={0xa, 0x4e24, 0xcf77, @ipv4={[], [], @remote}, 0x80000001}, @in6={0xa, 0x4e23, 0x2, @local, 0x6}, @in6={0xa, 0x4e21, 0x5, @dev={0xfe, 0x80, [], 0x20}, 0x6}, @in6={0xa, 0x4e24, 0x200, @remote, 0x7}, @in={0x2, 0x4e23, @multicast2}, @in={0x2, 0x4e21, @broadcast}, @in={0x2, 0x4e23, @multicast2}, @in6={0xa, 0x4e20, 0x0, @remote, 0x20}, @in6={0xa, 0x4e21, 0xfffffff9, @mcast1, 0x7}, @in={0x2, 0x4e22, @local}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f00000001c0)={r2, 0x14, "ed774b0c099b50547b4bbdc06ce252f486ee31ab"}, &(0x7f00000002c0)=0x1c) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 740.436524][ T6325] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 740.450763][ T6335] overlayfs: missing 'lowerdir' 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 740.563168][ T6325] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 740.598292][ T6325] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 740.606557][ T6347] overlayfs: missing 'lowerdir' [ 740.610215][ T6325] F2FS-fs (loop3): Invalid log sectorsize (31241) 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:49 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010d4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 740.646161][ T6325] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:49 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009040200030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 740.765425][ T6355] overlayfs: missing 'lowerdir' 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 740.872417][ T6358] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 740.902309][ T6358] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:49 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 740.938628][ T6358] F2FS-fs (loop3): Invalid log sectorsize (132105) [ 740.953023][ T6358] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 740.960192][ T6368] overlayfs: missing 'lowerdir' 23:38:49 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffc0fe}}, 0x1c) 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB]) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:49 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010e4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:49 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000300030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 741.124805][ T6381] overlayfs: missing 'lowerdir' 23:38:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 741.218384][ T6390] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 741.235371][ T6390] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 741.279907][ T6390] F2FS-fs (loop3): Invalid log sectorsize (196617) [ 741.302935][ T6390] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 741.359519][ T6395] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 741.392011][ T6395] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 741.562012][ T6390] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 741.576022][ T6390] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 741.604019][ T6390] F2FS-fs (loop3): Invalid log sectorsize (196617) [ 741.619981][ T6390] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:50 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') set_tid_address(&(0x7f0000000100)) 23:38:50 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001104d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:50 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009f10300030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 741.734731][ T6416] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 741.762356][ T6420] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 741.775074][ T6416] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:38:50 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r1, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r1, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r1, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r1, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r1, 0x0, 0x422000a7e, 0x0) [ 741.816906][ T6420] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:50 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001114d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 741.858744][ T6424] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 741.879696][ T6420] F2FS-fs (loop3): Invalid log sectorsize (258313) [ 741.891898][ T6420] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 741.976002][ T6435] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 742.009815][ T6435] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 23:38:50 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffc1e8}}, 0x1c) 23:38:50 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000000100), 0x111, 0x2}}, 0x20) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') 23:38:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 742.020699][ T6420] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 742.028555][ T6420] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 742.063375][ T6420] F2FS-fs (loop3): Invalid log sectorsize (258313) [ 742.109865][ T6420] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:50 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009f20300030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 742.176077][ T6455] overlayfs: unrecognized mount option "upper" or missing value [ 742.365396][ T6468] overlayfs: unrecognized mount option "upper" or missing value [ 742.403700][ T6465] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001124d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 742.417605][ T6465] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 742.442690][ T6465] F2FS-fs (loop3): Invalid log sectorsize (258569) [ 742.455460][ T6465] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 742.556564][ T6465] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 742.584989][ T6475] overlayfs: unrecognized mount option "upper" or missing value 23:38:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 742.605490][ T6465] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 742.628957][ T6465] F2FS-fs (loop3): Invalid log sectorsize (258569) [ 742.648630][ T6465] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:51 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r1, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r1, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r1, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r1, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r1, 0x0, 0x422000a7e, 0x0) 23:38:51 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009f30300030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:51 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_elf64(r0, &(0x7f0000000040)=ANY=[], 0xfffffe4b) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$sock_int(r1, 0x1, 0x200000010, &(0x7f0000000540)=0x1, 0x4) recvmmsg(r1, &(0x7f0000002bc0)=[{{0x0, 0xffffffffffffff74, &(0x7f0000002b00), 0x0, &(0x7f0000000080)=""/62, 0x3e}}], 0x20a, 0x0, 0x0) 23:38:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 742.744377][ T6485] overlayfs: workdir and upperdir must be separate subtrees 23:38:51 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff00}}, 0x1c) 23:38:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001254d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 742.977662][ T6495] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 743.004889][ T6506] overlayfs: workdir and upperdir must be separate subtrees [ 743.012597][ T6495] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 743.049184][ T6495] F2FS-fs (loop3): Invalid log sectorsize (258825) [ 743.073421][ T6495] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:51 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001484d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:51 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009020400030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 743.152959][ T6495] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 743.166032][ T6495] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 743.175099][ T6495] F2FS-fs (loop3): Invalid log sectorsize (258825) [ 743.182514][ T6495] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 743.190970][ T6518] overlayfs: workdir and upperdir must be separate subtrees 23:38:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 743.387603][ T6525] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 743.402085][ T6525] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 743.418832][ T6529] overlayfs: failed to resolve './fil': -2 [ 743.426289][ T6525] F2FS-fs (loop3): Invalid log sectorsize (262665) 23:38:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 743.444653][ T6525] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000014c4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 743.539132][ T6525] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 743.547197][ T6525] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 743.563932][ T6525] F2FS-fs (loop3): Invalid log sectorsize (262665) [ 743.570946][ T6525] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:52 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r1, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r1, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r1, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r1, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r1, 0x0, 0x422000a7e, 0x0) 23:38:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 743.590408][ T6539] overlayfs: failed to resolve './fil': -2 [ 743.753802][ T6548] overlayfs: failed to resolve './fil': -2 23:38:52 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_elf64(r0, &(0x7f0000000040)=ANY=[], 0xfffffe4b) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$sock_int(r1, 0x1, 0x200000010, &(0x7f0000000540)=0x1, 0x4) recvmmsg(r1, &(0x7f0000002bc0)=[{{0x0, 0xffffffffffffff74, &(0x7f0000002b00), 0x0, &(0x7f0000000080)=""/62, 0x3e}}], 0x20a, 0x0, 0x0) 23:38:52 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009060400030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000015c4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:52 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff01}}, 0x1c) [ 743.894855][ T6565] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 743.947447][ T6566] overlayfs: failed to resolve './file': -2 [ 743.950653][ T6565] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 744.005260][ T6565] F2FS-fs (loop3): Invalid log sectorsize (263689) [ 744.018165][ T6565] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 744.094484][ T6565] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 744.103043][ T6565] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 744.111799][ T6565] F2FS-fs (loop3): Invalid log sectorsize (263689) [ 744.118950][ T6565] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:52 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001684d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 744.154731][ T6582] overlayfs: failed to resolve './file': -2 23:38:53 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000500030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 744.355842][ T6589] overlayfs: failed to resolve './file': -2 [ 744.452402][ T6595] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 744.470629][ T6595] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 744.494029][ T6595] F2FS-fs (loop3): Invalid log sectorsize (327689) 23:38:53 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 744.508181][ T6595] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:53 executing program 1: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x44, 0xf7d, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r0, 0xc008240a, &(0x7f0000000400)={0x2, 0x0, [0x0, 0x0]}) ftruncate(0xffffffffffffffff, 0x0) open(0x0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) syz_open_pts(0xffffffffffffffff, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x0) 23:38:53 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000016c4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:53 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000600030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:53 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff03}}, 0x1c) 23:38:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 744.857060][ T6627] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 744.882743][ T6627] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 744.891488][ T6627] F2FS-fs (loop3): Invalid log sectorsize (393225) 23:38:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(0x0) [ 744.931326][ T6627] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:53 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:53 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001744d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:53 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 745.126993][ T6627] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 745.142464][ T6627] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:53 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 745.187607][ T6627] F2FS-fs (loop3): Invalid log sectorsize (393225) [ 745.214004][ T6627] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:54 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:54 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(0x0) 23:38:54 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009040600030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:54 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:54 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000017a4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 745.526999][ T6668] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 745.548187][ T6668] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:54 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff07}}, 0x1c) 23:38:54 executing program 1: ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 745.588186][ T6668] F2FS-fs (loop3): Invalid log sectorsize (394249) [ 745.597131][ T6668] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:54 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(0x0) 23:38:54 executing program 1: ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 745.762420][ T6668] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:54 executing program 1: ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 745.804525][ T6668] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 745.828430][ T6668] F2FS-fs (loop3): Invalid log sectorsize (394249) 23:38:54 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010025010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 745.847270][ T6668] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:54 executing program 0: r0 = socket$inet6_udp(0xa, 0x2, 0x0) perf_event_open(&(0x7f0000000000)={0x1000000002, 0x70, 0x800000000000013, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 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, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmmsg$inet6(r0, &(0x7f0000002a80)=[{{&(0x7f0000000000)={0xa, 0x4e23, 0x0, @mcast2}, 0x1c, 0x0}}, {{&(0x7f0000001580)={0xa, 0x4e22, 0x0, @local}, 0x1c, 0x0, 0x0, &(0x7f0000002a40)=[@flowinfo={{0x14, 0x29, 0xb, 0x5}}], 0x18}}], 0x2, 0x0) 23:38:55 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:55 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000700030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:55 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:55 executing program 0: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x0, 0x1, &(0x7f0000000600)=ANY=[@ANYBLOB="bf16000000000000"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 23:38:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d020000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 746.445416][ T6730] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 746.487712][ T6730] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 746.496810][ T6730] F2FS-fs (loop3): Invalid log sectorsize (458761) [ 746.504095][ T6730] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:55 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff0f}}, 0x1c) 23:38:55 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:55 executing program 0: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) accept4$inet6(0xffffffffffffffff, 0x0, 0x0, 0x80000) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x8d}, 0x0) open(&(0x7f0000000100)='./bus\x00', 0x2, 0x4) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(0xffffffffffffffff, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x1, 0x0, 0x3}, 0x0) ioctl$sock_ifreq(0xffffffffffffffff, 0x8937, 0x0) r4 = getpid() ptrace$pokeuser(0x6, 0x0, 0x388, 0x0) sched_setattr(r4, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$P9_RSTATu(0xffffffffffffffff, &(0x7f0000000100)=ANY=[@ANYRESDEC, @ANYRESOCT], 0x2b) r5 = openat$null(0xffffffffffffff9c, 0x0, 0x20080, 0x0) setsockopt$inet6_udp_int(r5, 0x11, 0x0, &(0x7f0000000000)=0xff, 0x4) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000821ff0)={0x2, 0x4e20}, 0xffffffffffffff23) fsetxattr$security_smack_entry(0xffffffffffffffff, &(0x7f0000000040)='security.SMACK64\x00', 0x0, 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) r6 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) connect$bt_l2cap(r6, &(0x7f0000000000)={0x1f, 0x0, {0x0, 0x2, 0x0, 0x0, 0x6}}, 0xe) r7 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) accept4$inet6(r7, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, &(0x7f00000001c0)=0x1c, 0x80000) 23:38:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d030000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:55 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 746.667528][ T6730] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:55 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 746.714206][ T6730] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 746.752525][ T6730] F2FS-fs (loop3): Invalid log sectorsize (458761) 23:38:55 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(0x0) [ 746.785057][ T6730] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:55 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:55 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:55 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d040000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:55 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000900030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:55 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 747.268647][ T6789] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 747.290392][ T6789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 747.310008][ T6788] overlayfs: workdir and upperdir must be separate subtrees [ 747.329309][ T6789] F2FS-fs (loop3): Invalid log sectorsize (589833) [ 747.340513][ T6789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:56 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff1f}}, 0x1c) 23:38:56 executing program 0: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b000000000000010e4d010000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:56 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(0xffffffffffffffff, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:56 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 747.431754][ T6789] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 747.446234][ T6789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 747.454829][ T6789] F2FS-fs (loop3): Invalid log sectorsize (589833) [ 747.461647][ T6789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:56 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:56 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000a00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, 0x0) 23:38:56 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, 0x0) 23:38:56 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d050000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:56 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) getgroups(0x2, &(0x7f0000000280)=[0xee01, r1]) getgroups(0x3, &(0x7f0000000100)=[0x0, 0x0, r1]) setfsgid(r2) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 747.737543][ T6829] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 747.752232][ T6829] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 747.764765][ T6829] F2FS-fs (loop3): Invalid log sectorsize (655369) [ 747.774208][ T6829] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, 0x0) 23:38:57 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff3f}}, 0x1c) 23:38:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000b00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:57 executing program 0: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009740000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d0b0000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 748.435026][ T6866] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 748.447617][ T6869] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 748.466065][ T6866] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 748.477598][ T6869] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 748.499769][ T6866] F2FS-fs (loop0): Invalid log sectorsize (29705) [ 748.509089][ T6869] F2FS-fs (loop3): Invalid log sectorsize (720905) [ 748.517189][ T6869] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:57 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:38:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = syz_open_dev$dspn(&(0x7f00000002c0)='/dev/dsp#\x00', 0x3, 0x80000) ioctl$KVM_DEASSIGN_PCI_DEVICE(r0, 0x4040ae72, &(0x7f0000000440)={0x80000000, 0x4650, 0x6, 0x4, 0xf8}) r1 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r1, 0xc08c5334, &(0x7f0000000340)={0x0, 0x422ece23, 0x1000, 'queue1\x00', 0x9}) setxattr$security_selinux(&(0x7f0000000100)='./file1\x00', &(0x7f0000000140)='security.selinux\x00', &(0x7f00000001c0)='system_u:object_r:xserver_misc_device_t:s0\x00', 0x2b, 0x3) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 748.533896][ T6866] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock 23:38:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d0c0000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000c00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:57 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) r0 = getpid() ioprio_set$pid(0x2, r0, 0x400) unlink(&(0x7f0000000080)='./bus/file1\x00') [ 748.755567][ T6888] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 748.772304][ T6888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 748.782000][ T6888] F2FS-fs (loop3): Invalid log sectorsize (786441) [ 748.792872][ T6888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 748.874684][ T6888] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 748.903390][ T6888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) ioctl$PERF_EVENT_IOC_ID(r0, 0x80082407, &(0x7f0000000100)) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000140)=0x0) migrate_pages(r1, 0x100, &(0x7f00000001c0)=0x401, &(0x7f00000002c0)=0xffffffff) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) perf_event_open(&(0x7f0000000380)={0x2, 0x70, 0x3, 0xa0, 0x8, 0x0, 0x0, 0xdf, 0x1000, 0x4, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, @perf_bp={&(0x7f0000000340), 0x5}, 0xf1f5de1cd85d38ac, 0xfffffffffffffffb, 0x3ff, 0x2, 0x80000001, 0x1df, 0x5}, 0x0, 0x8, r2, 0x9) [ 748.933540][ T6888] F2FS-fs (loop3): Invalid log sectorsize (786441) [ 748.956858][ T6888] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:57 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff7f}}, 0x1c) 23:38:57 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) 23:38:57 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000d00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:57 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d0d0000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 749.396821][ T6926] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 749.418261][ T6926] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:58 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 749.444975][ T6926] F2FS-fs (loop3): Invalid log sectorsize (851977) [ 749.463595][ T6926] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:58 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) [ 749.598044][ T6926] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 749.605805][ T6926] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:58 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d0f0000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) listxattr(&(0x7f0000000100)='./bus\x00', &(0x7f0000000440)=""/242, 0xf2) [ 749.653094][ T6926] F2FS-fs (loop3): Invalid log sectorsize (851977) [ 749.688131][ T6926] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:58 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000e00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:58 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000340)='ext4\x00', &(0x7f0000000380)='./file1\x00', 0x1f, 0x2, &(0x7f00000003c0)=[{&(0x7f0000000640)="1af25936177b43fba2a165131bfea8e0eab9521f64577185d811c8b12f0bd5a9828da228176bf49ecba76f68073b2c105fed0ef95e482553b435641a168104ac522f63917304f9164fbe7aec4dfd805df1f761a1ba5341051d09a51a0e105a2fbe2539530723b32dfb72ee4fbf8670d0418a5ffd9092127f63f592c5e17c91ae6e0ecc72c7e3d5641a7c28d20be80ad9f32d5279d1d50f396502058fb6cb02ee03b6f91b2a9cc62ae02439b926fc32323a49bd3c02d06993b193f703a4ac54f4e00133e63d5db8c8fced8220bd3632a50da0331fa3f5ec", 0xd7, 0x2}, {&(0x7f0000000740)="b8a2b29fd868ae8ecae9e4ebb843e469568ffa1b879cc5e3130ba51f55f2f093eaeb740a475cc73094efeca76a1855689fdb242cf753a0b9689d0971e295fc6ca2ad", 0x42, 0x3}], 0x1000, &(0x7f00000007c0)={[{@oldalloc='oldalloc'}, {@delalloc='delalloc'}, {@journal_checksum='journal_checksum'}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x531af0cf343ecc3e}}, {@nouser_xattr='nouser_xattr'}], [{@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '(\xbf]\x00'}}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@smackfstransmute={'smackfstransmute'}}]}) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000440)={{{@in6=@local, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in6}}, &(0x7f00000002c0)=0xe8) mount$bpf(0x0, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='bpf\x00', 0x0, &(0x7f0000000540)={[{@mode={'mode', 0x3d, 0xb96}}, {@mode={'mode', 0x3d, 0x2}}], [{@obj_user={'obj_user', 0x3d, '(\xbf]\x00'}}, {@uid_eq={'uid', 0x3d, r1}}, {@uid_gt={'uid>', r2}}, {@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@fsname={'fsname', 0x3d, 'overlay\x00'}}, {@dont_appraise='dont_appraise'}, {@audit='audit'}, {@uid_gt={'uid>'}}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) [ 749.984739][ T6957] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 750.017057][ T6957] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) mount(&(0x7f00000002c0)=@filename='./file1\x00', &(0x7f0000000340)='./bus\x00', &(0x7f0000000380)='dax\x00', 0x800038, &(0x7f00000003c0)='overlay\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000100)=0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000140)=0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r3, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r3, 0x0) kcmp(r1, r2, 0x2, r3, r0) [ 750.038648][ T6957] F2FS-fs (loop3): Invalid log sectorsize (917513) [ 750.068448][ T6957] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:58 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffff8d}}, 0x1c) [ 750.182062][ T6957] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d250000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 750.251773][ T6957] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:38:59 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 750.297452][ T6957] F2FS-fs (loop3): Invalid log sectorsize (917513) [ 750.319762][ T6957] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:59 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000f00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d000300000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 750.607283][ T7001] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 750.616204][ T7001] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 750.636333][ T7001] F2FS-fs (loop3): Invalid log sectorsize (983049) [ 750.662472][ T7001] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 750.707913][ T7001] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:38:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 750.758080][ T7001] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 750.773057][ T7001] F2FS-fs (loop3): Invalid log sectorsize (983049) [ 750.788916][ T7001] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:38:59 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009201000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:38:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d970300000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:38:59 executing program 1 (fault-call:1 fault-nth:0): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:38:59 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffffe0}}, 0x1c) 23:38:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:38:59 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d006500000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 751.132156][ T7025] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 751.166505][ T7025] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:00 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 751.206226][ T7025] F2FS-fs (loop3): Invalid log sectorsize (1056777) [ 751.269347][ T7025] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 751.319024][ T7044] FAULT_INJECTION: forcing a failure. [ 751.319024][ T7044] name failslab, interval 1, probability 0, space 0, times 0 [ 751.332297][ T7044] CPU: 1 PID: 7044 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 751.340030][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.350098][ T7044] Call Trace: [ 751.353392][ T7044] dump_stack+0x1fb/0x318 [ 751.357776][ T7044] should_fail+0x555/0x770 [ 751.362706][ T7044] __should_failslab+0x11a/0x160 [ 751.367623][ T7044] ? tomoyo_realpath_from_path+0xdc/0x7c0 [ 751.373380][ T7044] should_failslab+0x9/0x20 [ 751.377865][ T7044] __kmalloc+0x7a/0x340 [ 751.381996][ T7044] ? tomoyo_realpath_from_path+0xca/0x7c0 [ 751.387691][ T7044] tomoyo_realpath_from_path+0xdc/0x7c0 [ 751.393213][ T7044] tomoyo_path_number_perm+0x166/0x640 [ 751.398658][ T7044] ? smack_file_ioctl+0x278/0x2e0 [ 751.403711][ T7044] ? __fget+0x411/0x510 [ 751.407847][ T7044] tomoyo_file_ioctl+0x23/0x30 [ 751.412629][ T7044] security_file_ioctl+0x6d/0xd0 [ 751.417544][ T7044] __x64_sys_ioctl+0xa3/0x120 [ 751.422195][ T7044] do_syscall_64+0xf7/0x1c0 [ 751.426677][ T7044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.432660][ T7044] RIP: 0033:0x45a219 [ 751.436532][ T7044] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 751.456134][ T7044] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 23:39:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 751.464521][ T7044] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 751.472468][ T7044] RDX: 0000000020000040 RSI: 00000000c004ae02 RDI: 0000000000000003 [ 751.480418][ T7044] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 751.488377][ T7044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 751.496323][ T7044] R13: 00000000004c362a R14: 00000000004d78b8 R15: 0000000000000004 [ 751.512082][ T7044] ERROR: Out of memory at tomoyo_realpath_from_path. 23:39:00 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009001100030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:00 executing program 1 (fault-call:1 fault-nth:1): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:39:00 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d006600000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 751.688717][ T7056] FAULT_INJECTION: forcing a failure. [ 751.688717][ T7056] name failslab, interval 1, probability 0, space 0, times 0 [ 751.712059][ T7056] CPU: 1 PID: 7056 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 751.719814][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.729868][ T7056] Call Trace: [ 751.733177][ T7056] dump_stack+0x1fb/0x318 [ 751.737506][ T7056] should_fail+0x555/0x770 [ 751.741972][ T7056] __should_failslab+0x11a/0x160 [ 751.746888][ T7056] ? tomoyo_encode2+0x273/0x5a0 [ 751.751715][ T7056] should_failslab+0x9/0x20 [ 751.756197][ T7056] __kmalloc+0x7a/0x340 [ 751.760331][ T7056] tomoyo_encode2+0x273/0x5a0 [ 751.764987][ T7056] tomoyo_realpath_from_path+0x769/0x7c0 [ 751.770596][ T7056] tomoyo_path_number_perm+0x166/0x640 [ 751.776042][ T7056] ? smack_file_ioctl+0x278/0x2e0 [ 751.781076][ T7056] ? __fget+0x411/0x510 [ 751.785207][ T7056] tomoyo_file_ioctl+0x23/0x30 [ 751.789947][ T7056] security_file_ioctl+0x6d/0xd0 [ 751.794869][ T7056] __x64_sys_ioctl+0xa3/0x120 [ 751.799530][ T7056] do_syscall_64+0xf7/0x1c0 [ 751.804031][ T7056] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.809899][ T7056] RIP: 0033:0x45a219 [ 751.813772][ T7056] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 751.833354][ T7056] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 751.841754][ T7056] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 751.849701][ T7056] RDX: 0000000020000040 RSI: 00000000c004ae02 RDI: 0000000000000003 [ 751.857659][ T7056] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 751.865607][ T7056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 751.873550][ T7056] R13: 00000000004c362a R14: 00000000004d78b8 R15: 0000000000000004 [ 751.882772][ T7056] ERROR: Out of memory at tomoyo_realpath_from_path. 23:39:00 executing program 1 (fault-call:1 fault-nth:2): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) 23:39:00 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfffffff5}}, 0x1c) [ 751.953745][ T7059] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 751.962401][ T7059] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 751.984714][ T7059] F2FS-fs (loop3): Invalid log sectorsize (1114121) [ 752.039190][ T7059] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 752.064966][ T7074] FAULT_INJECTION: forcing a failure. [ 752.064966][ T7074] name failslab, interval 1, probability 0, space 0, times 0 23:39:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 752.098104][ T7074] CPU: 1 PID: 7074 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 752.105852][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.115904][ T7074] Call Trace: [ 752.119199][ T7074] dump_stack+0x1fb/0x318 [ 752.123538][ T7074] should_fail+0x555/0x770 [ 752.127960][ T7074] __should_failslab+0x11a/0x160 [ 752.132897][ T7074] ? tomoyo_encode2+0x273/0x5a0 [ 752.137738][ T7074] should_failslab+0x9/0x20 [ 752.142236][ T7074] __kmalloc+0x7a/0x340 23:39:00 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:00 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004df9ffff7f0000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 752.146393][ T7074] tomoyo_encode2+0x273/0x5a0 [ 752.151075][ T7074] tomoyo_realpath_from_path+0x769/0x7c0 [ 752.156713][ T7074] tomoyo_path_number_perm+0x166/0x640 [ 752.162188][ T7074] ? smack_file_ioctl+0x278/0x2e0 [ 752.167207][ T7074] ? __fget+0x411/0x510 [ 752.171366][ T7074] tomoyo_file_ioctl+0x23/0x30 [ 752.176128][ T7074] security_file_ioctl+0x6d/0xd0 [ 752.181070][ T7074] __x64_sys_ioctl+0xa3/0x120 [ 752.185757][ T7074] do_syscall_64+0xf7/0x1c0 [ 752.190240][ T7074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.196105][ T7074] RIP: 0033:0x45a219 [ 752.199976][ T7074] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 752.219560][ T7074] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 752.227980][ T7074] RAX: ffffffffffffffda RBX: 00007fac86513c90 RCX: 000000000045a219 [ 752.235950][ T7074] RDX: 0000000020000040 RSI: 00000000c004ae02 RDI: 0000000000000003 23:39:01 executing program 1 (fault-call:1 fault-nth:3): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 752.243908][ T7074] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 752.251878][ T7074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 752.259839][ T7074] R13: 00000000004c362a R14: 00000000004d78b8 R15: 0000000000000004 [ 752.269416][ T7074] ERROR: Out of memory at tomoyo_realpath_from_path. [ 752.337860][ T7059] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) [ 752.378621][ T7059] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 752.401095][ T7059] F2FS-fs (loop3): Invalid log sectorsize (1114121) [ 752.415564][ T7059] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x2, &(0x7f0000000040)={0x40cf}) 23:39:01 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009001200030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x10, &(0x7f0000000040)={0x40cf}) 23:39:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:01 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d1fffffff0000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 752.673433][ T7110] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 752.704230][ T7110] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 752.733407][ T7110] F2FS-fs (loop3): Invalid log sectorsize (1179657) [ 752.759501][ T7110] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 752.839531][ T7110] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 752.853033][ T7110] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:01 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1ffffffff}}, 0x1c) 23:39:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4c00, &(0x7f0000000040)={0x40cf}) [ 752.888021][ T7110] F2FS-fs (loop3): Invalid log sectorsize (1179657) [ 752.908746][ T7110] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:01 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4c01, &(0x7f0000000040)={0x40cf}) 23:39:01 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d187f57918088ffff00007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:01 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009001400030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x540c, &(0x7f0000000040)={0x40cf}) [ 753.259498][ T7148] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 753.293680][ T7148] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:02 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x540d, &(0x7f0000000040)={0x40cf}) [ 753.354902][ T7148] F2FS-fs (loop3): Invalid log sectorsize (1310729) 23:39:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 753.398196][ T7148] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 753.518139][ T7148] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 753.568544][ T7148] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 753.591647][ T7148] F2FS-fs (loop3): Invalid log sectorsize (1310729) [ 753.620909][ T7148] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:02 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3ffffffff}}, 0x1c) 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x541f, &(0x7f0000000040)={0x40cf}) 23:39:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004db803059c8088ffff00007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:02 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r1 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r2, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r2, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) write$cgroup_subtree(r0, &(0x7f0000000140)={[{0x0, 'rdma'}]}, 0x6) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:02 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009002000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5421, &(0x7f0000000040)={0x40cf}) [ 753.831661][ T7194] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 753.852186][ T7194] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:02 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000000)=ANY=[], 0x32600) write$cgroup_subtree(r1, &(0x7f0000001880)=ANY=[@ANYBLOB=' '], 0x1) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 753.898167][ T7194] F2FS-fs (loop3): Invalid log sectorsize (2097161) [ 753.912132][ T7194] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5450, &(0x7f0000000040)={0x40cf}) 23:39:02 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004dffffffffffffffff00007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 754.099722][ T7194] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 754.138457][ T7194] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5451, &(0x7f0000000040)={0x40cf}) [ 754.156472][ T7194] F2FS-fs (loop3): Invalid log sectorsize (2097161) [ 754.164534][ T7194] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:03 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7ffffffff}}, 0x1c) 23:39:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000000)=ANY=[], 0x32600) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:03 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009102000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5452, &(0x7f0000000040)={0x40cf}) 23:39:03 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010200000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5460, &(0x7f0000000040)={0x40cf}) [ 754.719556][ T7247] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 754.737760][ T7247] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:03 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x5501, &(0x7f0000000040)={0x40cf}) 23:39:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x7a05, 0x1700) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 754.839510][ T7247] F2FS-fs (loop3): Invalid log sectorsize (2101257) [ 754.865867][ T7247] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:03 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010300000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x6364, &(0x7f0000000040)={0x40cf}) 23:39:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 755.014521][ T7247] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 755.051503][ T7247] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 755.088237][ T7247] F2FS-fs (loop3): Invalid log sectorsize (2101257) [ 755.096714][ T7247] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:04 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfffffffff}}, 0x1c) 23:39:04 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x8912, &(0x7f0000000040)={0x40cf}) 23:39:04 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) socket$kcm(0x2b, 0x1, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:04 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009002500030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:04 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010400000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 755.624150][ T7302] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:04 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:04 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x8914, &(0x7f0000000040)={0x40cf}) [ 755.664599][ T7302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 755.675977][ T7302] F2FS-fs (loop3): Invalid log sectorsize (2424841) 23:39:04 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) socket$kcm(0x2b, 0x1, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:04 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010500000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 755.736832][ T7302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:04 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x8933, &(0x7f0000000040)={0x40cf}) [ 755.861147][ T7302] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 755.892531][ T7302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:04 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x8946, &(0x7f0000000040)={0x40cf}) 23:39:04 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) socket$kcm(0x2b, 0x1, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 755.923373][ T7302] F2FS-fs (loop3): Invalid log sectorsize (2424841) [ 755.957075][ T7302] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:05 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1fffffffff}}, 0x1c) 23:39:05 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010600000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae00, &(0x7f0000000040)={0x40cf}) 23:39:05 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009003f00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:05 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:05 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae01, &(0x7f0000000040)={0x40cf}) [ 756.477413][ T7350] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 756.507057][ T7350] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 756.552111][ T7350] F2FS-fs (loop3): Invalid log sectorsize (4128777) 23:39:05 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 756.592858][ T7350] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 756.606689][ T7366] [ 756.611075][ T7366] ============================= [ 756.617251][ T7366] WARNING: suspicious RCU usage [ 756.627676][ T7366] 5.4.0-rc7 #0 Not tainted [ 756.642392][ T7366] ----------------------------- [ 756.648332][ T7366] ./include/linux/kvm_host.h:536 suspicious rcu_dereference_check() usage! [ 756.662012][ T7366] [ 756.662012][ T7366] other info that might help us debug this: [ 756.662012][ T7366] [ 756.672500][ T7366] [ 756.672500][ T7366] rcu_scheduler_active = 2, debug_locks = 1 [ 756.682354][ T7366] no locks held by syz-executor.1/7366. 23:39:05 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010700000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 756.698417][ T7366] [ 756.698417][ T7366] stack backtrace: [ 756.712398][ T7350] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 756.714008][ T7366] CPU: 0 PID: 7366 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 756.727875][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 756.737136][ T7350] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 756.737922][ T7366] Call Trace: [ 756.737941][ T7366] dump_stack+0x1fb/0x318 [ 756.737957][ T7366] lockdep_rcu_suspicious+0x156/0x1c0 [ 756.738029][ T7366] kvm_dev_ioctl+0x1711/0x1fd0 [ 756.738047][ T7366] ? kvm_reboot+0x40/0x40 [ 756.768202][ T7366] do_vfs_ioctl+0x744/0x1730 [ 756.772790][ T7366] ? __fget+0x411/0x510 [ 756.773018][ T7350] F2FS-fs (loop3): Invalid log sectorsize (4128777) [ 756.776939][ T7366] ? tomoyo_file_ioctl+0x23/0x30 [ 756.776952][ T7366] ? security_file_ioctl+0xa1/0xd0 [ 756.776965][ T7366] __x64_sys_ioctl+0xe3/0x120 23:39:05 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 756.776980][ T7366] do_syscall_64+0xf7/0x1c0 [ 756.790106][ T7350] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 756.793585][ T7366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 756.793595][ T7366] RIP: 0033:0x45a219 [ 756.793606][ T7366] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 756.840179][ T7366] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 756.848605][ T7366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 756.856589][ T7366] RDX: 0000000020000040 RSI: 000000000000ae01 RDI: 0000000000000003 [ 756.864534][ T7366] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 756.872482][ T7366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 756.880429][ T7366] R13: 00000000004c362a R14: 00000000004d78b8 R15: 00000000ffffffff [ 756.889012][ T7366] [ 756.891608][ T7366] ============================= [ 756.896706][ T7366] WARNING: suspicious RCU usage [ 756.901954][ T7366] 5.4.0-rc7 #0 Not tainted [ 756.906522][ T7366] ----------------------------- [ 756.911667][ T7366] ./include/linux/kvm_host.h:631 suspicious rcu_dereference_check() usage! [ 756.920773][ T7366] [ 756.920773][ T7366] other info that might help us debug this: [ 756.920773][ T7366] [ 756.931202][ T7366] [ 756.931202][ T7366] rcu_scheduler_active = 2, debug_locks = 1 [ 756.941987][ T7366] no locks held by syz-executor.1/7366. [ 756.947625][ T7366] [ 756.947625][ T7366] stack backtrace: [ 756.954238][ T7366] CPU: 0 PID: 7366 Comm: syz-executor.1 Not tainted 5.4.0-rc7 #0 [ 756.961952][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 756.972002][ T7366] Call Trace: [ 756.975293][ T7366] dump_stack+0x1fb/0x318 [ 756.979623][ T7366] lockdep_rcu_suspicious+0x156/0x1c0 [ 756.984996][ T7366] kvm_dev_ioctl+0x17b5/0x1fd0 [ 756.989774][ T7366] ? kvm_reboot+0x40/0x40 [ 756.994103][ T7366] do_vfs_ioctl+0x744/0x1730 23:39:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae03, &(0x7f0000000040)={0x40cf}) [ 756.998770][ T7366] ? __fget+0x411/0x510 [ 756.998791][ T7366] ? tomoyo_file_ioctl+0x23/0x30 [ 756.998803][ T7366] ? security_file_ioctl+0xa1/0xd0 [ 756.998817][ T7366] __x64_sys_ioctl+0xe3/0x120 [ 756.998833][ T7366] do_syscall_64+0xf7/0x1c0 [ 756.998846][ T7366] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 756.998855][ T7366] RIP: 0033:0x45a219 23:39:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae04, &(0x7f0000000040)={0x40cf}) [ 756.998869][ T7366] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 757.007944][ T7366] RSP: 002b:00007fac86513c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 757.007954][ T7366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 757.007960][ T7366] RDX: 0000000020000040 RSI: 000000000000ae01 RDI: 0000000000000003 [ 757.007966][ T7366] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 757.007973][ T7366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac865146d4 [ 757.007979][ T7366] R13: 00000000004c362a R14: 00000000004d78b8 R15: 00000000ffffffff 23:39:06 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3fffffffff}}, 0x1c) 23:39:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae07, &(0x7f0000000040)={0x40cf}) 23:39:06 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009004000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010800000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 757.361512][ T7399] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:06 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae08, &(0x7f0000000040)={0x40cf}) [ 757.408137][ T7399] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 757.425675][ T7399] F2FS-fs (loop3): Invalid log sectorsize (4194313) 23:39:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 757.470885][ T7399] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae41, &(0x7f0000000040)={0x40cf}) 23:39:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010900000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 757.543370][ T7415] overlayfs: failed to resolve './file0': -2 [ 757.573688][ T7399] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 757.595711][ T7399] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 757.604604][ T7399] F2FS-fs (loop3): Invalid log sectorsize (4194313) 23:39:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae60, &(0x7f0000000040)={0x40cf}) [ 757.673027][ T7399] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 757.680514][ T7424] overlayfs: failed to resolve './file0': -2 23:39:06 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009004800030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:06 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7fffffffff}}, 0x1c) 23:39:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xae80, &(0x7f0000000040)={0x40cf}) 23:39:06 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010a00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 758.235732][ T7446] overlayfs: failed to resolve './file0': -2 [ 758.253595][ T7447] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:07 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(0xffffffffffffffff, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(0xffffffffffffffff, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, 0xffffffffffffffff, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x400454ca, &(0x7f0000000040)={0x40cf}) [ 758.286647][ T7447] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 758.334702][ T7447] F2FS-fs (loop3): Invalid log sectorsize (4718601) [ 758.350334][ T7447] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x40049409, &(0x7f0000000040)={0x40cf}) 23:39:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:07 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009004c00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4008ae06, &(0x7f0000000040)={0x40cf}) 23:39:07 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010b00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 758.577753][ T7475] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 758.609634][ T7475] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 758.618138][ T7475] F2FS-fs (loop3): Invalid log sectorsize (4980745) [ 758.624799][ T7475] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 758.718205][ T7475] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 758.737676][ T7475] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 758.754781][ T7475] F2FS-fs (loop3): Invalid log sectorsize (4980745) [ 758.761921][ T7475] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:07 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x8000000000}}, 0x1c) 23:39:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x401054d6, &(0x7f0000000040)={0x40cf}) 23:39:07 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009005c00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 759.122828][ T7501] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 759.142083][ T7501] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 759.152368][ T7501] F2FS-fs (loop3): Invalid log sectorsize (6029321) 23:39:07 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:07 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010c00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x401845ef, &(0x7f0000000040)={0x40cf}) 23:39:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4020940d, &(0x7f0000000040)={0x40cf}) [ 759.188101][ T7501] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 759.343576][ T7501] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 759.368146][ T7501] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 759.382517][ T7501] F2FS-fs (loop3): Invalid log sectorsize (6029321) 23:39:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:08 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4020ae46, &(0x7f0000000040)={0x40cf}) 23:39:08 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010d00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 759.403976][ T7501] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:08 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xffffffffff}}, 0x1c) 23:39:08 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:08 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009006000030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:08 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x4090ae82, &(0x7f0000000040)={0x40cf}) 23:39:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:08 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010e00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 760.026883][ T7562] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 760.047021][ T7562] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:08 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:08 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x80044584, &(0x7f0000000040)={0x40cf}) 23:39:08 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d011000000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:08 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 760.073791][ T7562] F2FS-fs (loop3): Invalid log sectorsize (6291465) [ 760.080970][ T7562] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:08 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009006800030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:09 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x800454d2, &(0x7f0000000040)={0x40cf}) [ 760.266324][ T7587] overlayfs: failed to resolve './file1': -2 [ 760.307255][ T7591] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 760.370492][ T7591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 760.382476][ T7591] F2FS-fs (loop3): Invalid log sectorsize (6815753) [ 760.390686][ T7591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 760.544922][ T7591] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 760.564534][ T7591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 760.579332][ T7591] F2FS-fs (loop3): Invalid log sectorsize (6815753) [ 760.586310][ T7591] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:09 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x80086301, &(0x7f0000000040)={0x40cf}) 23:39:09 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:09 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x10000000000}}, 0x1c) 23:39:09 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d011100000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:09 executing program 4: pipe(0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:09 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009006c00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:09 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0x8008ae9d, &(0x7f0000000040)={0x40cf}) [ 760.924930][ T7623] overlayfs: failed to resolve './file1': -2 [ 760.930724][ T7615] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 760.948445][ T7615] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 760.960830][ T7615] F2FS-fs (loop3): Invalid log sectorsize (7077897) 23:39:09 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:09 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc0045005, &(0x7f0000000040)={0x40cf}) [ 760.987073][ T7615] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:09 executing program 4: pipe(0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 761.087843][ T7635] overlayfs: failed to resolve './file1': -2 [ 761.105649][ T7615] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:09 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc0045878, &(0x7f0000000040)={0x40cf}) [ 761.181053][ T7615] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:09 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d011200000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:10 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc0045878, &(0x7f0000000040)={0x40cf}) [ 761.226547][ T7615] F2FS-fs (loop3): Invalid log sectorsize (7077897) [ 761.243149][ T7615] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 761.385739][ T7656] overlayfs: failed to resolve './file1': -2 23:39:10 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1ffffffffff}}, 0x1c) 23:39:10 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009007400030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:10 executing program 4: pipe(0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r0, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(0xffffffffffffffff, 0x0, r0, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:10 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae03, &(0x7f0000000040)={0x40cf}) 23:39:10 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d012500000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:10 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae04, &(0x7f0000000040)={0x40cf}) [ 761.790178][ T7684] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 761.810794][ T7684] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 761.821011][ T7683] overlayfs: failed to resolve './file1': -2 [ 761.830423][ T7684] F2FS-fs (loop3): Invalid log sectorsize (7602185) 23:39:10 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 761.839730][ T7684] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:10 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:10 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae05, &(0x7f0000000040)={0x40cf}) 23:39:10 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d014800000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 761.956215][ T7684] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 761.974416][ T7684] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 761.981896][ T7701] overlayfs: failed to resolve './file1': -2 23:39:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 762.006684][ T7684] F2FS-fs (loop3): Invalid log sectorsize (7602185) [ 762.019793][ T7684] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:11 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3ffffffffff}}, 0x1c) 23:39:11 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae06, &(0x7f0000000040)={0x40cf}) 23:39:11 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d014c00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:11 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009007a00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 762.661533][ T7731] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:11 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae08, &(0x7f0000000040)={0x40cf}) 23:39:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:11 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d015c00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 762.709750][ T7731] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 762.723609][ T7731] F2FS-fs (loop3): Invalid log sectorsize (7995401) [ 762.762948][ T7731] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:11 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:11 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae0a, &(0x7f0000000040)={0x40cf}) [ 762.861052][ T7731] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 762.879470][ T7731] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:11 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc008ae05, &(0x7f0000000040)={0x40cf}) [ 762.919439][ T7731] F2FS-fs (loop3): Invalid log sectorsize (7995401) [ 762.938231][ T7731] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:12 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x7ffffffffff}}, 0x1c) 23:39:12 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000903f100030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:12 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc008ae09, &(0x7f0000000040)={0x40cf}) 23:39:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:12 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d016800000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:12 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc008ae88, &(0x7f0000000040)={0x40cf}) [ 763.605401][ T7789] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 763.622182][ T7789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:12 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc0189436, &(0x7f0000000040)={0x40cf}) [ 763.665957][ T7789] F2FS-fs (loop3): Invalid log sectorsize (15794953) [ 763.694992][ T7789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:12 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:12 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d016c00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 763.785756][ T7789] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) 23:39:12 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc020660b, &(0x7f0000000040)={0x40cf}) [ 763.840540][ T7789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 763.896565][ T7789] F2FS-fs (loop3): Invalid log sectorsize (15794953) [ 763.912884][ T7789] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock [ 764.024712][ T7826] overlayfs: failed to resolve './file0': -2 23:39:13 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0xfffffffffff}}, 0x1c) 23:39:13 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc040563e, &(0x7f0000000040)={0x40cf}) 23:39:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000903f200030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:13 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d017400000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 764.470680][ T7836] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 764.489497][ T7835] overlayfs: failed to resolve './file0': -2 23:39:13 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x48}) 23:39:13 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(0x0, 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:13 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d017a00000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 764.512710][ T7836] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 764.534915][ T7836] F2FS-fs (loop3): Invalid log sectorsize (15860489) [ 764.543524][ T7836] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:13 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:13 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f2010007000903f300030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) [ 764.725985][ T7861] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 764.739363][ T7858] overlayfs: failed to resolve './file0': -2 [ 764.750031][ T7861] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 764.760996][ T7861] F2FS-fs (loop3): Invalid log sectorsize (15926025) [ 764.768261][ T7861] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:13 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) gettid() ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000040)={0x40cf}) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000080)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) ioctl$VIDIOC_S_FBUF(r1, 0x4030560b, &(0x7f0000000140)={0x58, 0x46, &(0x7f00000000c0)="d8a2fa3abb929a291d281daa197aeeebdf2e117a7cc0589415141c618e26d517157869346680c2d86e735294ff43807c6a7221ba8951b0617f03539bda8dedceb0b6a5afeb0901b2341fb5c144a09b3baa5fac04516611ffa277b879c4e62540d113c6b9dfd8b2a0affab441438ac49b8a951c7b542dffa27fb36e322308", {0x2, 0x1ff, 0x1e61c61c, 0x0, 0xb, 0xb50, 0x1, 0x6}}) 23:39:13 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 764.840937][ T7861] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 764.859550][ T7861] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 764.893186][ T7861] F2FS-fs (loop3): Invalid log sectorsize (15926025) [ 764.909293][ T7861] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x1fffffffffff}}, 0x1c) 23:39:14 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/det/kvm\x00', 0x2de280, 0x0) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000140)=ANY=[@ANYBLOB="cf4000779f22078d5818a70f524097add723893fca05bdd2c91e3bf69fefea0b548f1ef5610bca6e6b57976058bdb76a36e388d0693c7f65248b1729e6da348e7cd4e6e137d45b3be62b2c2814dc39669e433ddb2c0f7c1d784bac29d304d54b6dc9870811868980b0e6c809104c5b0597677200e5f43866d1ee5b5ecb92706a2280eba5dd5687e222587c83506b7243066720698b716bb0e64aa5c9efc858f468fdfa230f6fc263804f115e8d4748301c4165a168b138ddc1fb90699673ba134987c6df37e6eee21d3ef5"]) 23:39:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010402000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f201000700090fff00030000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:14 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r2, 0x0) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000200)='T\x00\x00\x00\x01') r4 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000340)='/dev/uinput\x00', 0x2, 0x0) ioctl$FS_IOC_FSSETXATTR(r4, 0x401c5820, &(0x7f0000000380)={0x0, 0x7fff, 0x200, 0xffff8001, 0x24}) sendmsg$TIPC_CMD_GET_BEARER_NAMES(r2, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10d22}, 0x73ba22cff58cb98b, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r3, 0xa67716a15237aa3a, 0x70bd29, 0x5, {}, ["", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x850}, 0x8008) getsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f00000000c0), &(0x7f0000000100)=0x10) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000080)=ANY=[@ANYBLOB="1401000001000000000000000009000000000000"]) syz_open_dev$usbfs(&(0x7f0000000140)='/dev/bus/usb/00#/00#\x00', 0x8, 0x1114c0) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2, 0x0) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000300)={0x658, 0xd, 0x1}) write$binfmt_script(r5, &(0x7f0000000040)=ANY=[], 0x6db6e559) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x1, 0x10012, r5, 0x0) setsockopt$IP_VS_SO_SET_TIMEOUT(r5, 0x0, 0x48a, &(0x7f00000003c0)={0x4, 0xffffffff, 0x6}, 0xc) ioctl$SG_GET_VERSION_NUM(r5, 0x2282, &(0x7f0000000180)) [ 765.352019][ T7924] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 765.385856][ T7924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 765.409538][ T7924] F2FS-fs (loop3): Invalid log sectorsize (16715529) [ 765.417559][ T7924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:14 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) [ 765.526991][ T7924] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 765.551782][ T7924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 765.563446][ T7924] F2FS-fs (loop3): Invalid log sectorsize (16715529) 23:39:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010003000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 765.613091][ T7924] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:14 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000000040000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010204000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 765.877004][ T7967] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 765.929383][ T7967] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock [ 765.984811][ T7967] F2FS-fs (loop3): Invalid log sectors per block(4) log sectorsize(9) [ 766.035427][ T7967] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:14 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r0, &(0x7f0000d83fe4)={0xa, 0x0, 0x0, @loopback={0x3fffffffffff}}, 0x1c) 23:39:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') 23:39:14 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010604000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) 23:39:15 executing program 3: syz_mount_image$f2fs(&(0x7f0000000240)='f2fs\x00', &(0x7f0000000340)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f00000000c0)="1020f5f20100070009000000050000000c0000000900000009000000020000000000000000300000000000000e00000016", 0x31, 0x1400}], 0x0, 0x0) 23:39:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00') [ 766.342189][ T7996] F2FS-fs (loop3): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 766.369818][ T26] kauditd_printk_skb: 371 callbacks suppressed 23:39:15 executing program 1: ioctl$IMCLEAR_L2(0xffffffffffffffff, 0x80044946, &(0x7f0000000180)=0x6) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) set_robust_list(&(0x7f0000000140)={&(0x7f0000000040), 0x80000000, &(0x7f0000000100)={&(0x7f00000000c0)}}, 0x18) ioctl$KVM_GET_MSR_INDEX_LIST(r0, 0xc004ae02, &(0x7f0000000080)) [ 766.369831][ T26] audit: type=1804 audit(1573515555.107:649): pid=7952 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name=2F726F6F742F73797A6B616C6C65722D746573746469723031393637313632312F73797A6B616C6C65722E6B39783470792F313137392F7374617409C0D2FEBCF9DF2DEAC8C177FF171248E91193513049F831550D6F7DE66CF637BDBF1311920C8A26EDA4DCC3783F9DB5116B34D31B0512A5608AAFF01E7952340CD6FD dev="sda1" ino=16530 res=1 [ 766.376018][ T7996] F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock 23:39:15 executing program 4: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_timeval(r2, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x7530}, 0x10) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000000000)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f0000000040)=0x4, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @empty}, 0x1c) sendto$inet6(r2, &(0x7f0000000040), 0xfffffffffffffe3f, 0x20000001, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x422000a7e, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfffffd88) 23:39:15 executing program 5: syz_mount_image$btrfs(&(0x7f0000000000)='btrfs\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f00000000c0)=[{&(0x7f00000002c0)="8da4363ac0ed3b00000000000001004d010005000000000000007a0000000000fff6f2a2299748aeb81e1b00b10efd9a000001000000000001fffffff60000005f42485266535f4d", 0x48, 0x10000}], 0x0, 0x0) [ 766.434992][ T7996] F2FS-fs (loop3): Invalid log sectors per block(5) log sectorsize(9) [ 766.453231][ T7996] F2FS-fs (loop3): Can't find valid F2FS filesystem in 2th superblock 23:39:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f0000000040)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x0) link(&(0x7f00000000c0)='./bus/file0\x00', &(0x7f0000000200)='./bus/file1\x00') mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) unlink(&(0x7f0000000080)='./bus/file1\x00') unlink(&(0x7f00000001c0)='./bus/file0\x00')