xecuting program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x488, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1051.267507][T11495] Can't find a SQUASHFS superblock on nullb0 15:34:43 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x90710000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:43 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40086602, &(0x7f0000000100)={0x0, r5}) [ 1051.523783][T11503] Can't find a SQUASHFS superblock on nullb0 15:34:43 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x48d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1051.594321][T11507] Can't find a SQUASHFS superblock on nullb0 15:34:43 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xa0510000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:43 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x4bb, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1051.877044][T11514] Can't find a SQUASHFS superblock on nullb0 15:34:44 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40086604, &(0x7f0000000100)={0x0, r5}) 15:34:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x4f4, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:44 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40086607, &(0x7f0000000100)={0x0, r5}) 15:34:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x4f6, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1052.639409][T11535] Can't find a SQUASHFS superblock on nullb0 15:34:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x4fa, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xf0ffffff7f0000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:45 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x6609, &(0x7f0000000100)={0x0, r5}) 15:34:45 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x500, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1053.122558][T11547] Can't find a SQUASHFS superblock on nullb0 [ 1053.189755][T11553] Can't find a SQUASHFS superblock on nullb0 15:34:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x100000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:45 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40087602, &(0x7f0000000100)={0x0, r5}) [ 1053.429322][T11560] Can't find a SQUASHFS superblock on nullb0 15:34:45 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x502, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1053.490784][T11562] Can't find a SQUASHFS superblock on nullb0 15:34:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x200000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:45 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x508, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1053.855849][T11574] Can't find a SQUASHFS superblock on nullb0 15:34:46 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x400c6615, &(0x7f0000000100)={0x0, r5}) [ 1053.939028][T11577] Can't find a SQUASHFS superblock on nullb0 15:34:46 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x300000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:46 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x50c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1054.246409][T11586] Can't find a SQUASHFS superblock on nullb0 [ 1054.329890][T11593] Can't find a SQUASHFS superblock on nullb0 15:34:46 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40106614, &(0x7f0000000100)={0x0, r5}) 15:34:46 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x400000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:46 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x50d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1054.616667][T11601] Can't find a SQUASHFS superblock on nullb0 15:34:46 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40186366, &(0x7f0000000100)={0x0, r5}) 15:34:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x511, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x512, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:47 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x401c5820, &(0x7f0000000100)={0x0, r5}) [ 1055.378730][T11619] Can't find a SQUASHFS superblock on nullb0 15:34:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x518, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:47 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x1f00000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:47 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x4020940d, &(0x7f0000000100)={0x0, r5}) [ 1055.779436][T11629] Can't find a SQUASHFS superblock on nullb0 15:34:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x51b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1055.869567][T11635] Can't find a SQUASHFS superblock on nullb0 [ 1055.879565][ T27] kauditd_printk_skb: 38641 callbacks suppressed [ 1055.879573][ T27] audit: type=1400 audit(1585496087.893:1274809): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=21682 comm="kworker/u4:16" saddr=127.0.0.1 src=56731 daddr=127.0.0.1 dest=16385 netif=lo [ 1055.894123][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.908667][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.918526][T11633] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.922843][T11634] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.937481][T11629] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.937566][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1055.950638][ C1] audit: audit_lost=1703739 audit_rate_limit=0 audit_backlog_limit=64 [ 1055.952181][T11629] audit: audit_lost=1703740 audit_rate_limit=0 audit_backlog_limit=64 [ 1055.958847][ C1] audit: backlog limit exceeded 15:34:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x3f00000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:48 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40247007, &(0x7f0000000100)={0x0, r5}) 15:34:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x51e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1056.239837][T11645] Can't find a SQUASHFS superblock on nullb0 [ 1056.300712][T11650] Can't find a SQUASHFS superblock on nullb0 15:34:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x4000000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:48 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40286608, &(0x7f0000000100)={0x0, r5}) 15:34:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x528, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1056.548090][T11657] Can't find a SQUASHFS superblock on nullb0 [ 1056.630686][T11661] Can't find a SQUASHFS superblock on nullb0 15:34:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x7f00000000000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1056.716723][T11663] EXT4-fs warning (device sda1): ext4_group_add:1659: No reserved GDT blocks, can't resize [ 1056.812123][T11667] EXT4-fs warning (device sda1): ext4_group_add:1659: No reserved GDT blocks, can't resize 15:34:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x52e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1056.950732][T11670] Can't find a SQUASHFS superblock on nullb0 15:34:49 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40305828, &(0x7f0000000100)={0x0, r5}) [ 1057.023894][T11675] Can't find a SQUASHFS superblock on nullb0 15:34:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x7fffffffffffffff, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:49 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x52f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1057.301967][T11683] Can't find a SQUASHFS superblock on nullb0 15:34:49 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40305829, &(0x7f0000000100)={0x0, r5}) [ 1057.372405][T11688] Can't find a SQUASHFS superblock on nullb0 15:34:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xebffffff00000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:49 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x534, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1057.663039][T11696] Can't find a SQUASHFS superblock on nullb0 [ 1057.732208][T11700] Can't find a SQUASHFS superblock on nullb0 15:34:49 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x4030582a, &(0x7f0000000100)={0x0, r5}) 15:34:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xfbffffff00000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x535, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1058.023875][T11708] Can't find a SQUASHFS superblock on nullb0 [ 1058.104026][T11712] Can't find a SQUASHFS superblock on nullb0 15:34:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffefffffff7f0000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:50 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x4030582b, &(0x7f0000000100)={0x0, r5}) 15:34:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x53a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1058.308650][T11718] Can't find a SQUASHFS superblock on nullb0 [ 1058.375005][T11724] Can't find a SQUASHFS superblock on nullb0 15:34:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffff00000000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x53e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1058.626498][T11732] Can't find a SQUASHFS superblock on nullb0 [ 1058.697276][T11735] Can't find a SQUASHFS superblock on nullb0 15:34:50 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40305839, &(0x7f0000000100)={0x0, r5}) 15:34:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffffff600000, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x540, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1059.001169][T11744] Can't find a SQUASHFS superblock on nullb0 [ 1059.070780][T11749] Can't find a SQUASHFS superblock on nullb0 15:34:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffffffff0700, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x546, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:51 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x40806685, &(0x7f0000000100)={0x0, r5}) [ 1059.344671][T11757] Can't find a SQUASHFS superblock on nullb0 [ 1059.440175][T11762] Can't find a SQUASHFS superblock on nullb0 15:34:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffffffffff7f, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x548, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:51 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x41a0ae8d, &(0x7f0000000100)={0x0, r5}) [ 1059.721193][T11769] Can't find a SQUASHFS superblock on nullb0 [ 1059.794311][T11773] Can't find a SQUASHFS superblock on nullb0 15:34:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffffffffffff, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:52 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x54b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:52 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80045300, &(0x7f0000000100)={0x0, r5}) [ 1060.052157][T11781] Can't find a SQUASHFS superblock on nullb0 [ 1060.146331][T11787] Can't find a SQUASHFS superblock on nullb0 15:34:52 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x4, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:52 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x554, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1060.372957][T11794] Can't find a SQUASHFS superblock on nullb0 [ 1060.457567][T11798] Can't find a SQUASHFS superblock on nullb0 15:34:52 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x800454e0, &(0x7f0000000100)={0x0, r5}) 15:34:52 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0xe0, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:52 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x556, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1060.678756][T11806] Can't find a SQUASHFS superblock on nullb0 [ 1060.756311][T11810] Can't find a SQUASHFS superblock on nullb0 15:34:52 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0xffe0, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1060.886125][ T27] kauditd_printk_skb: 42293 callbacks suppressed [ 1060.886134][ T27] audit: type=1400 audit(1585496092.893:1286567): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=421 comm="kworker/u4:6" saddr=127.0.0.1 src=35553 daddr=127.0.0.1 dest=16385 netif=lo [ 1060.915850][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1060.915992][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 15:34:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x558, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1060.922414][ T4185] audit: audit_lost=1713955 audit_rate_limit=0 audit_backlog_limit=64 [ 1060.922419][ T4185] audit: backlog limit exceeded [ 1060.922503][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1060.949238][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1060.955800][ C1] audit: audit_lost=1713956 audit_rate_limit=0 audit_backlog_limit=64 [ 1060.960495][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1060.964002][ C1] audit: backlog limit exceeded 15:34:53 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x6609, &(0x7f0000000100)={0x0, r5}) [ 1061.136275][T11818] Can't find a SQUASHFS superblock on nullb0 15:34:53 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0xffffffe0, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1061.213594][T11826] Can't find a SQUASHFS superblock on nullb0 15:34:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x55c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1061.409464][T11833] Can't find a SQUASHFS superblock on nullb0 [ 1061.449288][T11835] Can't find a SQUASHFS superblock on nullb0 15:34:53 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80086301, &(0x7f0000000100)={0x0, r5}) 15:34:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x55f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:53 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0xffffffffffffffe0, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1061.657547][T11844] Can't find a SQUASHFS superblock on nullb0 [ 1061.743069][T11847] Can't find a SQUASHFS superblock on nullb0 15:34:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x574, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:53 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x2}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:54 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) dup(r2) syz_open_dev$dri(0x0, 0x0, 0x0) openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40046f41, &(0x7f0000000100)={r3, 0x7000002}) timerfd_gettime(0xffffffffffffffff, &(0x7f0000000300)) syz_mount_image$iso9660(&(0x7f00000001c0)='iso9660\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000240)="d6c9f7b6418b2b8b95eecb38a6fb0e2709b39fb9f9d733e8f3b2106ec858724681fd798d004b9422a3aac40b3c1ff36890554af18e0e456cfad939e197cf9cce2161ee307917eb8ac20d829efc0caba7327f34492cf3845a0ae715e64c9a5869856a41670de259a761d23fc20bdb85b784dd416926245fc3b64505f927012df58bdc700d055246fc1a", 0x89}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f00000007c0)=ANY=[@ANYBLOB="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", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRESHEX=r0, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/58, 0x3a}], 0x1, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) 15:34:54 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80086601, &(0x7f0000000100)={0x0, r5}) [ 1062.048786][T11856] Can't find a SQUASHFS superblock on nullb0 [ 1062.107674][T11861] Can't find a SQUASHFS superblock on nullb0 15:34:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x57a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:54 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x3}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1062.221698][T11858] Can't find a SQUASHFS superblock on nullb0 [ 1062.236364][T11871] Can't find a SQUASHFS superblock on nullb0 15:34:54 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() r0 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r0, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6eb}], 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRESHEX=r0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) 15:34:54 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80086603, &(0x7f0000000100)={0x0, r5}) [ 1062.372200][T11876] Can't find a SQUASHFS superblock on nullb0 [ 1062.476359][T11883] Can't find a SQUASHFS superblock on nullb0 15:34:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x57d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:54 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x4}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1062.558720][T11879] Can't find a SQUASHFS superblock on nullb0 [ 1062.607616][T11890] Can't find a SQUASHFS superblock on nullb0 15:34:54 executing program 4: getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000240)={{{@in6=@remote, @in6}}, {{@in6=@local}, 0x0, @in6=@local}}, &(0x7f00000000c0)=0xe8) mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000080)=0x2, 0x4) [ 1062.690499][T11896] Can't find a SQUASHFS superblock on nullb0 [ 1062.769457][T11900] Can't find a SQUASHFS superblock on nullb0 15:34:54 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x300}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1062.858153][T11904] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x57e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:55 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80087601, &(0x7f0000000100)={0x0, r5}) [ 1063.001924][T11904] Can't find a SQUASHFS superblock on nullb0 [ 1063.100545][T11915] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_config_ext, 0x0, 0x1000000000000, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=ANY=[@ANYBLOB="516465762f6e75a0c87ee000"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2591b31be1362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) getsockopt$inet_pktinfo(r3, 0x0, 0x8, &(0x7f0000000080)={0x0, @multicast1, @multicast1}, &(0x7f00000000c0)=0xc) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) [ 1063.204432][T11918] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x1f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x57f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:55 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x800c6613, &(0x7f0000000100)={0x0, r5}) [ 1063.457652][T11930] Can't find a SQUASHFS superblock on nullb0 [ 1063.537869][T11939] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x2000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:55 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed20953000000000000000000f097", 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) [ 1063.750990][T11947] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x80184947, &(0x7f0000000100)={0x0, r5}) [ 1063.858419][T11955] Can't find a SQUASHFS superblock on nullb0 15:34:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x581, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1063.951938][T11953] Can't find a SQUASHFS superblock on nullb0 [ 1063.979641][T11962] Can't find a SQUASHFS superblock on nullb0 15:34:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x3f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:56 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) perf_event_open(&(0x7f0000000240)={0x5, 0x70, 0x0, 0x8, 0x4, 0x0, 0x0, 0x5, 0x1880c, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, @perf_bp={&(0x7f0000000100), 0xa}, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x1}, 0x0, 0x0, r3, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) [ 1064.196452][T11968] Can't find a SQUASHFS superblock on nullb0 15:34:56 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x586, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:56 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x801c581f, &(0x7f0000000100)={0x0, r5}) [ 1064.293918][T11974] Can't find a SQUASHFS superblock on nullb0 15:34:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x4000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1064.409750][T11973] Can't find a SQUASHFS superblock on nullb0 [ 1064.608624][T11989] Can't find a SQUASHFS superblock on nullb0 15:34:56 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x58b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1064.706440][T11992] Can't find a SQUASHFS superblock on nullb0 15:34:56 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0x81009431, &(0x7f0000000100)={0x0, r5}) 15:34:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x60ff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1065.029819][T12001] Can't find a SQUASHFS superblock on nullb0 15:34:57 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x59e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1065.085257][T11973] Can't find a SQUASHFS superblock on nullb0 [ 1065.127541][T12009] Can't find a SQUASHFS superblock on nullb0 15:34:57 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:57 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0045878, &(0x7f0000000100)={0x0, r5}) [ 1065.399946][T12016] Can't find a SQUASHFS superblock on nullb0 [ 1065.483094][T12020] Can't find a SQUASHFS superblock on nullb0 15:34:57 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5aa, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:57 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:57 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) ioctl$SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE(r3, 0xc0045520, &(0x7f0000000080)=0x10000) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) [ 1065.776580][T12030] Can't find a SQUASHFS superblock on nullb0 [ 1065.846615][T12032] Can't find a SQUASHFS superblock on nullb0 [ 1065.883742][T12035] Can't find a SQUASHFS superblock on nullb0 [ 1065.895880][ C0] audit_log_start: 43591 callbacks suppressed [ 1065.895885][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1065.897022][ T27] audit: type=1400 audit(1585496097.884:1295821): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="_" object="@" requested=w pid=2030 comm="kworker/u4:0" saddr=127.0.0.1 src=16385 daddr=127.0.0.1 dest=49915 netif=lo [ 1065.902016][ C0] audit: audit_lost=1725436 audit_rate_limit=0 audit_backlog_limit=64 [ 1065.902025][ C0] audit: backlog limit exceeded 15:34:58 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0045878, &(0x7f0000000100)={0x0, r5}) [ 1065.909775][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1065.932965][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1065.940458][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1065.943872][ C0] audit: audit_lost=1725437 audit_rate_limit=0 audit_backlog_limit=64 [ 1065.943878][ C0] audit: backlog limit exceeded [ 1065.944137][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1065.988203][T12037] Can't find a SQUASHFS superblock on nullb0 15:34:58 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xb700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5ac, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:58 executing program 4: r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000100)={'syz', 0x0}, &(0x7f0000000200)='+', 0x1, 0xfffffffffffffffe) keyctl$KEYCTL_MOVE(0x7, r0, 0xffffffffffffffff, 0x0, 0x0) keyctl$setperm(0x5, r0, 0x4) mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0xfffffffe) r1 = getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) ptrace$setopts(0x4206, r1, 0x0, 0x2a) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') ioctl$BLKREPORTZONE(r2, 0xc0101282, &(0x7f0000000640)=ANY=[@ANYBLOB="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"]) preadv(r2, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r2, 0xb701, 0x0) [ 1066.170239][T12046] Can't find a SQUASHFS superblock on nullb0 [ 1066.302536][T12050] Can't find a SQUASHFS superblock on nullb0 15:34:58 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x80000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5b9, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1066.467213][T12057] Can't find a SQUASHFS superblock on nullb0 15:34:58 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0046686, &(0x7f0000000100)={0x0, r5}) [ 1066.724589][T12064] Can't find a SQUASHFS superblock on nullb0 [ 1066.869784][T12071] Can't find a SQUASHFS superblock on nullb0 15:34:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5ba, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:59 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x200000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1067.175883][T12078] Can't find a SQUASHFS superblock on nullb0 15:34:59 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0096616, &(0x7f0000000100)={0x0, r5}) [ 1067.251981][T12060] Can't find a SQUASHFS superblock on nullb0 [ 1067.284239][T12086] Can't find a SQUASHFS superblock on nullb0 15:34:59 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5c2, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:34:59 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x207200}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:59 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)) statx(0xffffffffffffffff, &(0x7f00000002c0)='./bus\x00', 0x1000, 0xffd, &(0x7f0000000640)={0x0, 0x0, 0x0, 0x0, 0x0}) setreuid(0x0, r0) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$sock_SIOCGIFBR(r5, 0x8940, &(0x7f0000000100)=@get={0x1, &(0x7f0000000080)=""/110, 0x6}) preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) [ 1067.649657][T12095] Can't find a SQUASHFS superblock on nullb0 15:34:59 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5d3, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1067.740199][T12102] Can't find a SQUASHFS superblock on nullb0 15:34:59 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x400000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:34:59 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc00c642e, &(0x7f0000000100)={0x0, r5}) [ 1067.820532][T12104] Can't find a SQUASHFS superblock on nullb0 [ 1067.973749][T12112] Can't find a SQUASHFS superblock on nullb0 [ 1068.057421][T12114] Can't find a SQUASHFS superblock on nullb0 15:35:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5db, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:00 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0184900, &(0x7f0000000100)={0x0, r5}) 15:35:00 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)) ioctl$CAPI_INSTALLED(0xffffffffffffffff, 0x80024322) getpid() r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) ioctl$KVM_REGISTER_COALESCED_MMIO(r4, 0x4010ae67, &(0x7f0000000080)={0x3000, 0x4000}) preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) getxattr(&(0x7f0000000100)='./bus\x00', &(0x7f00000001c0)=@random={'btrfs.', '\x00'}, &(0x7f0000000240)=""/100, 0x64) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) 15:35:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5e9, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1068.603614][T12128] Can't find a SQUASHFS superblock on nullb0 [ 1068.651270][T12134] Can't find a SQUASHFS superblock on nullb0 15:35:00 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x1b) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r1, 0x0, 0x0) getpgrp(r1) 15:35:00 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0185879, &(0x7f0000000100)={0x0, r5}) [ 1068.794097][T12138] Can't find a SQUASHFS superblock on nullb0 15:35:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x5fc, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1069.004743][T12143] Can't find a SQUASHFS superblock on nullb0 15:35:01 executing program 4: ptrace$setopts(0x4200, 0x0, 0x6, 0x100075) mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000240)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) open_tree(r3, &(0x7f00000000c0)='./file0\x00', 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe69a307d9c25f384ea810c61cf8ff1bb33ac5d406000000aa5326e23c5448fcb9fcbaaa6dc4f5061c0f92d8241bf6c9ca7d56dfe82927cedb886721b4a08996837be3a11d51561cceac24925ac304d7403819872981", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) 15:35:01 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x600, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:01 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0189436, &(0x7f0000000100)={0x0, r5}) 15:35:01 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x51a000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1069.400057][T12157] Can't find a SQUASHFS superblock on nullb0 [ 1069.459202][T12156] Can't find a SQUASHFS superblock on nullb0 [ 1069.526364][T12157] Can't find a SQUASHFS superblock on nullb0 15:35:01 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x719000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1069.592456][T12166] Can't find a SQUASHFS superblock on nullb0 15:35:01 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x60a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:01 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc020660b, &(0x7f0000000100)={0x0, r5}) [ 1069.758896][T12172] Can't find a SQUASHFS superblock on nullb0 15:35:01 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) ioctl$SG_GET_REQUEST_TABLE(r3, 0x2286, &(0x7f0000000640)) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r4, 0xc0585605, &(0x7f0000000080)={0x0, 0x0, {0x1, 0x3, 0x2002, 0x6, 0x3, 0x1, 0x1}}) r5 = socket$can_j1939(0x1d, 0x2, 0x7) setsockopt$SO_J1939_FILTER(r5, 0x6b, 0x1, &(0x7f0000000240)=[{0x3, 0x1, {0x0, 0xff, 0x2}, {0x2, 0xf1, 0x1}, 0xfe, 0xfe}, {0x1, 0x2, {0x1, 0xf0, 0x2}, {0x0, 0xf0, 0x3}, 0xff, 0xff}, {0x3, 0x1, {0x0, 0x0, 0x2}, {0x1, 0x1, 0x4}, 0x189a445748c659e2, 0xfe}, {0x3, 0x2, {0x2, 0xf0}, {0x1, 0x1}, 0x83, 0xfd}, {0x1, 0x2, {0x2, 0xf0, 0x3}, {0x0, 0x1}, 0xfe}, {0x1, 0x3, {0x1, 0xff, 0x4}, {0x0, 0xff, 0x2}, 0x1, 0x1}], 0xc0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) [ 1069.878908][T12181] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x60c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1070.030659][T12187] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x722000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:02 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc020662a, &(0x7f0000000100)={0x0, r5}) [ 1070.183824][T12193] Can't find a SQUASHFS superblock on nullb0 [ 1070.309139][T12194] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000640)=ANY=[@ANYBLOB="2f6465762f6c623000aa4d70dd5b5cf3cb2c42db3384e2474bf39d45fb263b518b172009afc978b5bbfd462a29783e1d42f85b1d97cfed2edbe46ad9eab9c6cf09ef85b65e18c79c55d2488064d02608000000eb05fc66918a6e2ae9e91d48244cd8417cc19ccf92ae2f93aa20000000b332c087e8dbab74bfc4ebdaea36119fd0f9fc024719571aa592d68a47e5d26fa2cb88000eef6ba98b0446b0b12ce895b6afa1c0ab5edf3ccc225c8a7e53788712fe95ed76f5d0a97df40c26e6dd29301398086c7a06c4c74ca6176751b6a56cb4de473d2053442cb8ef1f2479af2a58"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) r1 = shmget(0x0, 0x2000, 0x1000, &(0x7f0000ffc000/0x2000)=nil) shmctl$IPC_STAT(r1, 0x2, &(0x7f0000000240)=""/202) [ 1070.396442][T12202] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x60f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:02 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x770000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:02 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0285628, &(0x7f0000000100)={0x0, r5}) 15:35:02 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=ANY=[@ANYBLOB="2f6465014ef71e6c6c623000"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab77296196069e905a23fe4981a5d5db852048a310c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae6ffa2546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control\x00', 0x1400, 0x0) ioctl$VIDIOC_LOG_STATUS(r0, 0x5646, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/ip_tables_targets\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) [ 1070.733429][T12212] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x61f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1070.841428][T12221] Can't find a SQUASHFS superblock on nullb0 15:35:02 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x80ffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1070.910202][T12223] audit_log_start: 33522 callbacks suppressed [ 1070.910209][T12223] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1070.911356][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1070.916582][ T27] audit: type=1400 audit(1585496102.894:1304750): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=21682 comm="kworker/u4:16" saddr=127.0.0.1 src=52771 daddr=127.0.0.1 dest=16385 netif=lo [ 1070.923047][ C0] audit: audit_lost=1733657 audit_rate_limit=0 audit_backlog_limit=64 [ 1070.923057][ C0] audit: backlog limit exceeded [ 1070.936386][T12228] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1070.951891][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1070.961048][T12226] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1070.964994][ C0] audit: audit_lost=1733658 audit_rate_limit=0 audit_backlog_limit=64 [ 1070.965000][ C0] audit: backlog limit exceeded [ 1071.184425][T12234] Can't find a SQUASHFS superblock on nullb0 15:35:03 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286602, &(0x7f0000000100)={0x0, r5}) [ 1071.299246][T12237] Can't find a SQUASHFS superblock on nullb0 15:35:03 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x907100}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1071.621057][T12245] Can't find a SQUASHFS superblock on nullb0 15:35:03 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x621, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:03 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286603, &(0x7f0000000100)={0x0, r5}) [ 1071.757440][T12254] Can't find a SQUASHFS superblock on nullb0 15:35:03 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xa05100}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:04 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) openat$smackfs_relabel_self(0xffffffffffffff9c, &(0x7f0000000080)='/sys/fs/smackfs/relabel-self\x00', 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) 15:35:04 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x623, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1072.114559][T12262] Can't find a SQUASHFS superblock on nullb0 [ 1072.161841][T12264] Can't find a SQUASHFS superblock on nullb0 [ 1072.211981][T12272] Can't find a SQUASHFS superblock on nullb0 [ 1072.261981][T12275] Can't find a SQUASHFS superblock on nullb0 15:35:04 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286604, &(0x7f0000000100)={0x0, r5}) 15:35:04 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xb70000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:04 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x100, 0x0) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f00000000c0)={0x81, 0x6, 0x800}) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5308e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) 15:35:04 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x626, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1072.499686][T12282] Can't find a SQUASHFS superblock on nullb0 [ 1072.578105][T12285] Can't find a SQUASHFS superblock on nullb0 15:35:04 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x1000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1072.638716][T12292] Can't find a SQUASHFS superblock on nullb0 [ 1072.705898][T12293] Can't find a SQUASHFS superblock on nullb0 15:35:04 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286605, &(0x7f0000000100)={0x0, r5}) 15:35:04 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x62d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1072.964124][T12300] Can't find a SQUASHFS superblock on nullb0 15:35:05 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1b) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) r1 = perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080), 0x7}, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x5}, r0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) finit_module(r1, &(0x7f00000000c0)='/dev/nullb0\x00', 0x3) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r2, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r2, 0xb701, 0x0) [ 1073.061015][T12307] Can't find a SQUASHFS superblock on nullb0 15:35:05 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x2000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:05 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x62e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:05 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286606, &(0x7f0000000100)={0x0, r5}) [ 1073.351740][T12317] Can't find a SQUASHFS superblock on nullb0 [ 1073.421056][T12322] Can't find a SQUASHFS superblock on nullb0 15:35:05 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x3000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:05 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x633, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1073.763455][T12329] Can't find a SQUASHFS superblock on nullb0 15:35:05 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1b) perf_event_open(&(0x7f0000000140)={0x1, 0x5e, 0xfa, 0x0, 0xff, 0x0, 0x0, 0x41c1, 0x90029, 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={&(0x7f0000000100), 0x4}}, r0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x1b) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r1, 0x0, 0x0) sched_setattr(r1, &(0x7f0000000080)={0x38, 0x2, 0x10000000, 0x0, 0x9, 0x2, 0x3a, 0xed, 0x3ff, 0xa57}, 0x0) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a3075e183bbc4ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYRES16, @ANYPTR=&(0x7f00000001c0)=ANY=[@ANYPTR, @ANYRES64], @ANYRES32]) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r2, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r2, 0xb701, 0x0) [ 1073.863293][T12334] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x4000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:06 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286607, &(0x7f0000000100)={0x0, r5}) 15:35:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x637, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:06 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000080)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) [ 1074.109164][T12344] Can't find a SQUASHFS superblock on nullb0 [ 1074.205411][T12350] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x1f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1074.343807][T12353] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x63d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:06 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8b9d3a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) [ 1074.406888][T12361] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286608, &(0x7f0000000100)={0x0, r5}) [ 1074.511961][T12364] Can't find a SQUASHFS superblock on nullb0 [ 1074.627096][T12372] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x642, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1074.755199][T12377] Can't find a SQUASHFS superblock on nullb0 15:35:06 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x66101900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) write$P9_RLOPEN(r3, &(0x7f0000000080)={0x18, 0xd, 0x1, {{0x20, 0x2, 0x6}, 0x39}}, 0x18) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) 15:35:07 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286609, &(0x7f0000000100)={0x0, r5}) 15:35:07 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x645, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1075.140165][T12386] Can't find a SQUASHFS superblock on nullb0 [ 1075.291432][T12395] Can't find a SQUASHFS superblock on nullb0 15:35:07 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x649, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:07 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660a, &(0x7f0000000100)={0x0, r5}) 15:35:07 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x3f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1075.841069][T12398] Can't find a SQUASHFS superblock on nullb0 [ 1075.918926][ T27] kauditd_printk_skb: 36006 callbacks suppressed [ 1075.918935][ T27] audit: type=1400 audit(1585496107.895:1313094): lsm=SMACK fn=smack_inode_permission action=granted subject="_" object="_" requested=x pid=7206 comm="syz-executor.1" name="net" dev="sda1" ino=15722 [ 1075.926431][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1075.953449][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1075.958458][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1075.965086][T12404] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1075.966532][ C1] audit: audit_lost=1742901 audit_rate_limit=0 audit_backlog_limit=64 [ 1075.966542][ C1] audit: backlog limit exceeded [ 1075.968592][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1075.981309][ T4188] audit: audit_lost=1742902 audit_rate_limit=0 audit_backlog_limit=64 [ 1075.981559][ C1] audit: audit_lost=1742903 audit_rate_limit=0 audit_backlog_limit=64 15:35:08 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x65d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1076.092092][T12411] Can't find a SQUASHFS superblock on nullb0 15:35:08 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000080)=ANY=[@ANYBLOB="092f64651bc16fa56c6c623000"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) r0 = getpid() migrate_pages(r0, 0x100000001, &(0x7f00000000c0)=0x400, &(0x7f0000000100)=0x6) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) 15:35:08 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660b, &(0x7f0000000100)={0x0, r5}) [ 1076.204984][T12416] Can't find a SQUASHFS superblock on nullb0 15:35:08 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x40000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:08 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x65f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1076.491005][T12429] Can't find a SQUASHFS superblock on nullb0 [ 1076.629648][T12435] Can't find a SQUASHFS superblock on nullb0 15:35:08 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:09 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x669, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:09 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660c, &(0x7f0000000100)={0x0, r5}) 15:35:09 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) mount(&(0x7f0000000380)=ANY=[@ANYBLOB='\x00'/12], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x3, 0x17bb3b8d) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) write$FUSE_NOTIFY_INVAL_ENTRY(r3, &(0x7f0000000100)=ANY=[@ANYBLOB="3a0000000300000000000000000000000300000000000000190000000000000073797374656d656d3174727529f97e9c54b5743c6ee9e98fc5db73746564747275737465645d2100"], 0x3a) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000680)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acd3b9df1228247cab55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f691817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b67f61766000000005c759db9f2c15f31591b31be0362e733de1355225a3ac0391e03002d49cf1a93cf9f105f2e4f2fc2cea2c90c9ce0330fecbf59fab4ff9588802754e8641dd44e30eb3eee5c14957df95a0d4789266a02e0840f0e14e0e7c15f7a081c9743802ef600a920c1497f6cff6b1ac9fee9a8779236bf30c9b3f645c3a6dd3fa6eebf000000000000", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, &(0x7f0000cab000)=0xc) setregid(0x0, r5) write$FUSE_ENTRY(0xffffffffffffffff, &(0x7f0000000240)={0x90, 0x0, 0x7, {0x5, 0x3, 0x6000000000000000, 0x8, 0x0, 0xffffffff, {0x1, 0x6, 0x7ff, 0x1, 0x0, 0x7, 0x9d0, 0x5, 0x2, 0x1, 0x6, 0x0, r5, 0x82f, 0x40}}}, 0x90) r6 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0xffff, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r6, 0xc0585605, &(0x7f0000000180)={0x0, 0x0, {0x0, 0x230, 0x0, 0x2, 0x0, 0x4}}) [ 1076.925344][T12440] Can't find a SQUASHFS superblock on nullb0 [ 1077.010625][T12445] Can't find a SQUASHFS superblock on nullb0 15:35:09 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xebffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1077.110301][T12449] : Can't open blockdev [ 1077.209402][T12454] : Can't open blockdev 15:35:09 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x670, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:09 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660d, &(0x7f0000000100)={0x0, r5}) [ 1077.388471][T12459] Can't find a SQUASHFS superblock on nullb0 15:35:09 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) r0 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000300)='/dev/dlm-monitor\x00', 0x10080, 0x0) setsockopt$rose(r0, 0x104, 0x3, &(0x7f0000000340)=0x1, 0x4) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) [ 1077.480004][T12464] Can't find a SQUASHFS superblock on nullb0 15:35:09 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xfbffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:09 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x676, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1077.785027][T12471] Can't find a SQUASHFS superblock on nullb0 [ 1077.899769][T12477] Can't find a SQUASHFS superblock on nullb0 15:35:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660e, &(0x7f0000000100)={0x0, r5}) [ 1077.974820][T12479] Can't find a SQUASHFS superblock on nullb0 [ 1078.056785][T12488] Can't find a SQUASHFS superblock on nullb0 15:35:10 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_SET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000140)={0x14, r1, 0x1, 0x0, 0x0, {0x18}}, 0x200}, 0x1, 0xffffff7f}, 0x0) sendmsg$TIPC_NL_NET_SET(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000640)={0x1c8, r1, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@TIPC_NLA_SOCK={0x54, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x2}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x6}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x1000}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x3}, @TIPC_NLA_SOCK_CON={0x24, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_NODE={0x8, 0x2, 0x6}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x7fff}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x2}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x2}]}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x101}]}, @TIPC_NLA_MON={0x24, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_REF={0x8, 0x2, 0x90}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x3ff}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x5}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x8}]}, @TIPC_NLA_MEDIA={0xd0, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x8000}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2b050000}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x4}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x9}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x7ff}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x800}]}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x7}]}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0xb9f8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x1ff}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x9}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x82}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x81}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x417}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x7}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}, @TIPC_NLA_BEARER={0x30, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_UDP_OPTS={0x2c, 0x4, {{0x14, 0x1, @in={0x2, 0x4e21, @rand_addr=0x873}}, {0x14, 0x2, @in={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x0, 0x0}}}}}]}, @TIPC_NLA_SOCK={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8}]}, @TIPC_NLA_NET={0x30, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ADDR={0x8, 0x2, 0x8}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x9}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x2}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x7}]}]}, 0x1c8}, 0x1, 0x0, 0x0, 0x20000000}, 0x24004094) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r2, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r2, 0xb701, 0x0) 15:35:10 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x67a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:10 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xff600000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1078.336684][T12499] tipc: All keys are flushed! [ 1078.435307][T12497] Can't find a SQUASHFS superblock on nullb0 [ 1078.551095][T12503] Can't find a SQUASHFS superblock on nullb0 [ 1078.631792][T12506] Can't find a SQUASHFS superblock on nullb0 15:35:10 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00'], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x1e, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) 15:35:10 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x67d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:10 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffff8000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286610, &(0x7f0000000100)={0x0, r5}) [ 1078.803815][T12511] : Can't open blockdev [ 1078.902961][T12520] Can't find a SQUASHFS superblock on nullb0 15:35:11 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x688, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:11 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffeb}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:11 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286611, &(0x7f0000000100)={0x0, r5}) [ 1079.268342][T12529] Can't find a SQUASHFS superblock on nullb0 15:35:11 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x689, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1079.341116][T12533] Can't find a SQUASHFS superblock on nullb0 15:35:11 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xfffffffb}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1079.618447][T12540] Can't find a SQUASHFS superblock on nullb0 15:35:11 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x690, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:11 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286612, &(0x7f0000000100)={0x0, r5}) [ 1079.759527][T12544] Can't find a SQUASHFS superblock on nullb0 15:35:11 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x80000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x693, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1080.145237][T12553] Can't find a SQUASHFS superblock on nullb0 [ 1080.212041][T12558] Can't find a SQUASHFS superblock on nullb0 15:35:12 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028665d, &(0x7f0000000100)={0x0, r5}) 15:35:12 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x400000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6c5, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1080.562291][T12566] Can't find a SQUASHFS superblock on nullb0 15:35:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6cf, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:12 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028665e, &(0x7f0000000100)={0x0, r5}) 15:35:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6db, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1080.924089][ T27] kauditd_printk_skb: 43969 callbacks suppressed [ 1080.924099][ T27] audit: type=1400 audit(1585496112.955:1322275): lsm=SMACK fn=smack_inode_permission action=granted subject="_" object="_" requested=x pid=12574 comm="syz-executor.5" name="1191" dev="sda1" ino=15821 [ 1080.951894][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.952032][T12576] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.962481][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.971018][T12577] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.976000][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.979961][T12578] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1080.984862][ C0] audit: audit_lost=1754541 audit_rate_limit=0 audit_backlog_limit=64 [ 1080.984868][ C0] audit: backlog limit exceeded [ 1080.984927][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:13 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0286664, &(0x7f0000000100)={0x0, r5}) [ 1081.294092][T12585] Can't find a SQUASHFS superblock on nullb0 15:35:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6e1, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:13 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0406618, &(0x7f0000000100)={0x0, r5}) 15:35:13 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x60ffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6eb, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1081.892281][T12599] Can't find a SQUASHFS superblock on nullb0 [ 1082.000239][T12604] Can't find a SQUASHFS superblock on nullb0 15:35:14 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x770000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:14 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x6f9, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:14 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0406619, &(0x7f0000000100)={0x0, r5}) [ 1082.256816][T12612] Can't find a SQUASHFS superblock on nullb0 [ 1082.314139][T12615] Can't find a SQUASHFS superblock on nullb0 15:35:14 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7fffffffefff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:14 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x710, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1082.675301][T12625] Can't find a SQUASHFS superblock on nullb0 15:35:14 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0506617, &(0x7f0000000100)={0x0, r5}) [ 1082.760078][T12628] Can't find a SQUASHFS superblock on nullb0 15:35:14 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x717, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:15 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7ffffffff000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1083.131049][T12640] Can't find a SQUASHFS superblock on nullb0 15:35:15 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc080661a, &(0x7f0000000100)={0x0, r5}) 15:35:15 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x71a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1083.218223][T12643] Can't find a SQUASHFS superblock on nullb0 15:35:15 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xb70000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1083.486918][T12654] Can't find a SQUASHFS superblock on nullb0 15:35:15 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x71b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:15 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc0c0583b, &(0x7f0000000100)={0x0, r5}) [ 1083.646112][T12661] Can't find a SQUASHFS superblock on nullb0 15:35:15 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x1000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:15 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x721, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1083.919725][T12668] Can't find a SQUASHFS superblock on nullb0 [ 1084.022563][T12674] Can't find a SQUASHFS superblock on nullb0 15:35:16 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x0, r5}) 15:35:16 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x730, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:16 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7ffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1084.460076][T12684] Can't find a SQUASHFS superblock on nullb0 15:35:16 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x733, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1084.541495][T12689] Can't find a SQUASHFS superblock on nullb0 15:35:16 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x20000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:16 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2, r5}) [ 1084.758384][T12695] Can't find a SQUASHFS superblock on nullb0 15:35:16 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x739, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1084.838156][T12699] Can't find a SQUASHFS superblock on nullb0 15:35:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x20720000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1085.240154][T12708] Can't find a SQUASHFS superblock on nullb0 15:35:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x73f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:17 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x3, r5}) [ 1085.353649][T12713] Can't find a SQUASHFS superblock on nullb0 15:35:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x40000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x740, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1085.690692][T12722] Can't find a SQUASHFS superblock on nullb0 [ 1085.779620][T12726] Can't find a SQUASHFS superblock on nullb0 15:35:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x80ffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:17 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4, r5}) [ 1085.939491][ T27] kauditd_printk_skb: 43229 callbacks suppressed [ 1085.939500][ T27] audit: type=1400 audit(1585496117.966:1332959): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="_" object="@" requested=w pid=21691 comm="kworker/u4:18" saddr=127.0.0.1 src=16385 daddr=127.0.0.1 dest=42603 netif=lo [ 1085.948804][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1085.968675][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1085.980754][T12731] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1085.984683][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1085.995673][T12730] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1085.998532][ C0] audit: audit_lost=1765436 audit_rate_limit=0 audit_backlog_limit=64 [ 1085.998541][ C0] audit: backlog limit exceeded 15:35:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x743, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1086.047810][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1086.058115][ T7399] audit: audit_lost=1765437 audit_rate_limit=0 audit_backlog_limit=64 [ 1086.126270][T12734] Can't find a SQUASHFS superblock on nullb0 [ 1086.196120][T12736] Can't find a SQUASHFS superblock on nullb0 15:35:18 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x90710000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:18 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x10000400200) dup2(0xffffffffffffffff, r0) syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0x8000, 0x4, 0x0, r2}) r5 = dup(r4) r6 = pidfd_getfd(0xffffffffffffffff, r4, 0x0) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000080)={0x0}) r8 = syz_open_dev$dri(0x0, 0x0, 0x0) openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x2b2380, 0x0) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r10 = dup(r9) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r8, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) ioctl$DRM_IOCTL_GEM_CLOSE(r8, 0x40046f41, &(0x7f0000000100)={r11, 0x7000002}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r8, 0xc00c642e, &(0x7f0000000180)={r7, 0x0, r6}) ioctl$sock_inet6_udp_SIOCOUTQ(r5, 0x5411, &(0x7f0000000040)) 15:35:18 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x5, r5}) 15:35:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x748, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1086.469984][T12746] Can't find a SQUASHFS superblock on nullb0 [ 1086.544556][T12752] Can't find a SQUASHFS superblock on nullb0 15:35:18 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xa0510000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:18 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) r3 = syz_open_dev$dri(0x0, 0x0, 0x0) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = socket$inet6_dccp(0xa, 0x6, 0x0) dup(r6) r7 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$SNDCTL_DSP_SUBDIVIDE(r7, 0xc0045009, &(0x7f0000000040)) r8 = syz_open_dev$dri(0x0, 0x0, 0x0) r9 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r9, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r11 = dup(r10) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r8, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r11}) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x1bf) dup2(r0, r1) [ 1086.819044][T12762] Can't find a SQUASHFS superblock on nullb0 15:35:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x754, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1086.901865][T12767] Can't find a SQUASHFS superblock on nullb0 15:35:19 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xf0ffffff7f0000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:19 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6, r5}) [ 1087.231282][T12777] Can't find a SQUASHFS superblock on nullb0 15:35:19 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x758, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:19 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x764, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:19 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x7, r5}) 15:35:19 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='personality\x00') r3 = syz_open_dev$dri(0x0, 0x0, 0x0) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r6, &(0x7f0000000080)={0x10000001}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) dup2(r0, r1) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r10 = dup(r9) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) r11 = socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$tipc(&(0x7f0000000400)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r11, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x30, r12, 0x4, 0x0, 0x0, {{}, {}, {0x14, 0x19, {0x2, 0x0, 0x0, 0x7}}}}, 0x30}}, 0x0) sendmsg$TIPC_CMD_RESET_LINK_STATS(r10, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="0dffec706e9d623490256d3000000033b12583202221032c99e264e7467bbb65378e87825b9bac4a7bfbe105fdb669ba8b8db9d8f504a4e5ddcd0c93741b0d2df25e7fee7c34aeb65bf5a46e067a2c555ccfa699086836a52e914b733eea6bf66a6ae4163bf2550300000075ce13aee9360ec5b514e3c51a7b887411bd9517cf12a62f132030c3", @ANYRES16=r12, @ANYBLOB="020025bd7000fedbdf2501000000000000000c4100000014001462726f6164636173742d6c696e6b0000"], 0x30}, 0x1, 0x0, 0x0, 0xc081}, 0x8000) 15:35:20 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x771, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:20 executing program 0: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x80000, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = syz_open_dev$dri(0x0, 0x0, 0x0) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) ioctl$DRM_IOCTL_GEM_CLOSE(r3, 0x40046f41, &(0x7f0000000100)={r7, 0x7000002}) dup2(r0, r3) [ 1088.187661][T12777] Can't find a SQUASHFS superblock on nullb0 15:35:20 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x100000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:20 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x8, r5}) [ 1088.420439][T12809] Can't find a SQUASHFS superblock on nullb0 15:35:20 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x772, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1088.484542][T12812] Can't find a SQUASHFS superblock on nullb0 15:35:20 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x200000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:20 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x9, r5}) 15:35:20 executing program 0: r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) pipe(&(0x7f0000000040)={0xffffffffffffffff}) close(r4) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00') r6 = socket$tipc(0x1e, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f0000000140)={'virt_wifi0\x00', 0x0}) sendmsg$NL80211_CMD_SET_WIPHY(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000000)={0x24, r5, 0x11, 0x0, 0x0, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r7}, @NL80211_ATTR_TXQ_LIMIT={0x8}]}, 0x24}}, 0x0) sendmsg$NL80211_CMD_GET_WIPHY(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x100, 0x4}}]}, 0x20}}, 0x80) r8 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r9 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = dup(r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) dup2(r8, r9) 15:35:20 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x776, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1088.858046][T12821] Can't find a SQUASHFS superblock on nullb0 [ 1088.949780][T12828] Can't find a SQUASHFS superblock on nullb0 15:35:21 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x300000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1089.175698][T12835] Can't find a SQUASHFS superblock on nullb0 15:35:21 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xa, r5}) [ 1089.256571][T12838] Can't find a SQUASHFS superblock on nullb0 15:35:21 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x2e100, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)) getpeername$tipc(0xffffffffffffffff, &(0x7f0000000140), &(0x7f0000000180)=0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_dev$dri(0x0, 0x0, 0x0) openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0x800a925, 0x5, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) write$vhci(r9, &(0x7f0000000240)=@HCI_SCODATA_PKT={0x3, "bf01d3c13cc332fbab1a91db2b0fc137f7db910b173844b36e8bb17d46ad707aa34acc70fc50d7a0105cfe5427102982d6ff9b7ff45b341e47aec3cb0c3d9f2b0c69395c64dc05090f59b66721095201115ff30b8d130b5cab949522933d4daaa24d132a6e2ecb159910453368758f9826831345f99f9cf6797501469bfc4cfdf1f7371f9bb742211d38aaf9a56d0a656d611d52bd5d6e9b20707342c509197830342779c5e61e63a6211421009aab0ec6e158d90b251772ebcd754406a5b8ec924f95de071060c73e4a41b1ce91d5851c5f37d444ecec8738d0d4242a4da702713c6c007d515afe46c9decf4b953c75104c118d0fea"}, 0xf7) r10 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r7, 0x6, 0x16, &(0x7f0000000100)=[@sack_perm, @mss={0x2, 0x10001}, @window={0x3, 0x3ff, 0x8}], 0x3) dup2(r0, r1) 15:35:21 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x779, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:21 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x400000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1089.571391][T12848] Can't find a SQUASHFS superblock on nullb0 15:35:21 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x77c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:21 executing program 0: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x1, 0x0) dup2(r3, r0) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000000c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_STATICLIST(r7, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000100)={0xb8, r8, 0x8, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={[], [], @multicast1}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={[], [], @loopback}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:lirc_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macsec0\x00'}]}, 0xb8}, 0x1, 0x0, 0x0, 0x14}, 0x800) 15:35:21 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xb, r5}) 15:35:22 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x781, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:22 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xc, r5}) 15:35:22 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x786, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1090.300598][T12869] Can't find a SQUASHFS superblock on nullb0 15:35:22 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) r10 = socket$inet6_sctp(0xa, 0x5, 0x84) r11 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r11, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x417) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r10, 0x84, 0x72, &(0x7f0000000000)={r12, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_MAXSEG(r9, 0x84, 0xd, &(0x7f0000000040)=@assoc_id=r12, &(0x7f0000000080)=0x4) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r5, 0x84, 0x6, &(0x7f00000000c0)={r13, @in6={{0xa, 0x4e24, 0x6, @local, 0x8000}}}, 0x84) dup2(0xffffffffffffffff, r0) 15:35:22 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x787, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:22 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xd, r5}) 15:35:22 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x1f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:22 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) socket$nl_audit(0x10, 0x3, 0x9) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000280)={&(0x7f0000000640)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x34, 0x34, 0x6, [@typedef={0x4, 0x0, 0x0, 0x7}, @int={0x0, 0x0, 0x0, 0x1, 0x5, 0x0, 0x0, 0x2}, @union={0x0, 0x1, 0x0, 0x5, 0x1, 0x0, [{0x0, 0x2}]}]}, {0x0, [0x0, 0x0, 0x0, 0xda]}}, &(0x7f0000000340)=""/142, 0x52, 0x8e, 0x1}, 0x20) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) fcntl$setlease(r4, 0x400, 0x2) [ 1090.898466][T12888] Can't find a SQUASHFS superblock on nullb0 [ 1090.944720][ T27] kauditd_printk_skb: 39422 callbacks suppressed [ 1090.944729][ T27] audit: type=1400 audit(1585496122.956:1343416): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="@" requested=w pid=936 comm="kworker/u4:11" saddr=127.0.0.1 src=60869 daddr=127.0.0.1 dest=16385 netif=lo [ 1090.973534][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1090.974702][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1090.980721][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:23 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x789, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1090.989318][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1090.993733][T12892] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1090.999843][ C0] audit: audit_lost=1775124 audit_rate_limit=0 audit_backlog_limit=64 [ 1090.999848][ C0] audit: backlog limit exceeded [ 1091.000701][T12891] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1091.021765][ T7399] audit: audit_lost=1775125 audit_rate_limit=0 audit_backlog_limit=64 [ 1091.090509][T12897] Can't find a SQUASHFS superblock on nullb0 15:35:23 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x3f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:23 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) gettid() dup2(r0, r1) 15:35:23 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xe, r5}) [ 1091.312441][T12902] Can't find a SQUASHFS superblock on nullb0 [ 1091.415912][T12910] Can't find a SQUASHFS superblock on nullb0 15:35:23 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) utimensat(r5, &(0x7f0000000080)='./file0\x00', &(0x7f0000000100)={{r6, r7/1000+30000}, {0x77359400}}, 0x100) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup(r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r9, 0x80045300, &(0x7f0000000040)) dup2(r0, r1) 15:35:23 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x4000000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:23 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x796, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:23 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xf, r5}) [ 1091.759061][T12922] Can't find a SQUASHFS superblock on nullb0 15:35:23 executing program 0: r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) io_uring_enter(r3, 0x3e98, 0x3, 0x3, &(0x7f0000000040)={[0x8]}, 0x8) r4 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r5 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r4, r5) [ 1091.846292][T12929] Can't find a SQUASHFS superblock on nullb0 15:35:23 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:23 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x799, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1092.066505][T12937] Can't find a SQUASHFS superblock on nullb0 [ 1092.153085][T12943] Can't find a SQUASHFS superblock on nullb0 15:35:24 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x10, r5}) 15:35:24 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x7fffffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:24 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x7a0, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:24 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup2(r0, r1) r5 = syz_genetlink_get_family_id$batadv(&(0x7f0000000180)='batadv\x00') ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv0\x00', 0x0}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000002c0)={'batadv_slave_1\x00', 0x0}) sendmsg$BATADV_CMD_SET_HARDIF(0xffffffffffffffff, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000300)={0x24, r5, 0x201, 0x0, 0x0, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r6}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r7}]}, 0x87}}, 0x0) r8 = socket$nl_route(0x10, 0x3, 0x0) r9 = socket$nl_route(0x10, 0x3, 0x0) r10 = socket$netlink(0x10, 0x3, 0x0) r11 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r11, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r11, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r10, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r12, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="0000b20000000000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r9, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r12, @ANYBLOB="00000016ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) sendmsg$nl_route_sched(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000500)=@newtfilter={0x74, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r12, {}, {}, {0xf}}, [@filter_kind_options=@f_flow={{0x9, 0x1, 'flow\x00'}, {0x44, 0x2, [@TCA_FLOW_POLICE={0x40, 0xa, 0x0, 0x1, [@TCA_POLICE_TBF={0x3c, 0x1, {0x0, 0x20000000, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7}}}]}]}}]}, 0x74}}, 0x0) sendmsg$BATADV_CMD_GET_NEIGHBORS(r4, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x800, 0x70bd28, 0x25dfdbfc, {}, [@BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r12}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040880}, 0x8081) [ 1092.446216][T12950] Can't find a SQUASHFS superblock on nullb0 [ 1092.531045][T12955] Can't find a SQUASHFS superblock on nullb0 15:35:24 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xebffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:24 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x7aa, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:24 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x11, r5}) [ 1092.788276][T12968] Can't find a SQUASHFS superblock on nullb0 [ 1092.897022][T12974] Can't find a SQUASHFS superblock on nullb0 15:35:25 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsu\x00', 0xc0, 0x0) setsockopt$CAN_RAW_JOIN_FILTERS(r1, 0x65, 0x6, &(0x7f0000000080)=0x1, 0xffffffffffffff56) r2 = syz_open_dev$mouse(&(0x7f0000000180)='/dev/input/mouse#\x00', 0x9, 0x400000) ioctl$TUNDETACHFILTER(r2, 0x401054d6, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$SNDRV_PCM_IOCTL_STATUS32(r4, 0x806c4120, &(0x7f00000000c0)) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$caif_stream(0x25, 0x1, 0x2) dup2(r0, r5) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) r8 = syz_open_dev$mouse(&(0x7f00000001c0)='/dev/input/mouse#\x00', 0x100000000000, 0x44000) ioctl$KDSKBMETA(r8, 0x4b63, &(0x7f0000000200)=0x4) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r10 = dup(r9) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) setsockopt$inet_tcp_TLS_RX(r10, 0x6, 0x2, &(0x7f0000000140)=@gcm_128={{0x303}, "3f7bd8b761201900", "380e7cf674320a027bd86f6f2398d5c7", "2ee8f3fe", "cd4dc61a5fd08760"}, 0x28) 15:35:25 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xfbffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:25 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x7ba, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1093.176086][T12983] Can't find a SQUASHFS superblock on nullb0 [ 1093.273451][T12987] Can't find a SQUASHFS superblock on nullb0 15:35:25 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffefffffff7f0000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:25 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x7f0, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:25 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/ashmem\x00', 0x30800, 0x0) syz_extract_tcp_res(&(0x7f00000000c0), 0x7, 0x101) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$sock_SIOCGIFVLAN_GET_VLAN_VID_CMD(r2, 0x8982, &(0x7f0000000280)) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) fsetxattr$trusted_overlay_upper(r5, &(0x7f0000000100)='trusted.overlay.upper\x00', &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0x10b, 0x3) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) ioctl$FS_IOC_FSSETXATTR(r4, 0x401c5820, &(0x7f0000000040)={0x30000000, 0x64b8a58c, 0xfffffffa, 0xfffff443, 0x200}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) r6 = syz_open_dev$dri(0x0, 0x1, 0xd0400) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) setsockopt$EBT_SO_SET_COUNTERS(r9, 0x0, 0x81, &(0x7f00000001c0)=ANY=[@ANYBLOB="6e61740000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYPTR=&(0x7f0000000140)=ANY=[@ANYBLOB="00000000000000000000000000000000000098000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000700"/96], @ANYBLOB='\x00'/40], 0x98) 15:35:25 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x12, r5}) [ 1093.508079][T12993] Can't find a SQUASHFS superblock on nullb0 [ 1093.628453][T13002] Can't find a SQUASHFS superblock on nullb0 15:35:25 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) connect$pptp(r2, &(0x7f0000000040)={0x18, 0x2, {0x2, @broadcast}}, 0x1e) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r1) 15:35:25 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:25 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x7f2, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1093.911153][T13011] Can't find a SQUASHFS superblock on nullb0 15:35:26 executing program 0: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) r3 = openat$smackfs_netlabel(0xffffffffffffff9c, &(0x7f0000000080)='/sys/fs/smackfs/netlabel\x00', 0x2, 0x0) dup2(r3, r0) 15:35:26 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x18, r5}) [ 1094.021481][T13019] Can't find a SQUASHFS superblock on nullb0 15:35:26 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffffff600000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:26 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x805, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:26 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x48a801, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup2(r0, r1) ioctl$sock_FIOGETOWN(r2, 0x8903, &(0x7f0000000080)) fcntl$setstatus(r4, 0x4, 0x4a000) [ 1094.250719][T13030] Can't find a SQUASHFS superblock on nullb0 [ 1094.386386][T13039] Can't find a SQUASHFS superblock on nullb0 15:35:26 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffffffff0700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:26 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x810, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:26 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x25, r5}) 15:35:26 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x10a01, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000080), &(0x7f00000000c0)=0x14) r2 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x220000, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r2) r5 = syz_open_dev$dri(0x0, 0x0, 0x0) r6 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r6, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r8 = dup(r7) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r5, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r8}) ioctl$DRM_IOCTL_GEM_CLOSE(r5, 0x40046f41, &(0x7f0000000100)={r9, 0x7000002}) finit_module(r5, &(0x7f0000000100)='eth1\'ppp1\x00', 0x2) [ 1094.686407][T13048] Can't find a SQUASHFS superblock on nullb0 [ 1094.780013][T13055] Can't find a SQUASHFS superblock on nullb0 15:35:26 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x811, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:26 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffffffffff7f}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:27 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$SIOCRSSCAUSE(r7, 0x89e1, &(0x7f0000000040)) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f0000000100)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ID_VALID(r3, 0x80082102, &(0x7f0000000080)=r8) [ 1095.020717][T13064] Can't find a SQUASHFS superblock on nullb0 15:35:27 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x48, r5}) [ 1095.113250][T13068] Can't find a SQUASHFS superblock on nullb0 15:35:27 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0xffffffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:27 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x812, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:27 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$SNDRV_TIMER_IOCTL_TREAD(r5, 0x40045402, &(0x7f0000000040)=0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r1) [ 1095.378513][T13074] Can't find a SQUASHFS superblock on nullb0 15:35:27 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup2(r0, r1) setsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x13, &(0x7f0000000040)=0xfffffffb, 0x4) [ 1095.524674][T13085] Can't find a SQUASHFS superblock on nullb0 15:35:27 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x815, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:27 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x2}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:27 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4c, r5}) [ 1095.695733][T13095] Can't find a SQUASHFS superblock on nullb0 15:35:27 executing program 0: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$nl_sock_diag(0x10, 0x3, 0x4) dup2(r3, r0) r4 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/stat\x00', 0x0, 0x0) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r4, 0x800442d4, &(0x7f0000000080)=0x7ff) [ 1095.779271][T13099] Can't find a SQUASHFS superblock on nullb0 [ 1095.953566][ T27] kauditd_printk_skb: 40642 callbacks suppressed [ 1095.953576][ T27] audit: type=1400 audit(1585496127.957:1352025): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="_" object="@" requested=w pid=936 comm="kworker/u4:11" saddr=127.0.0.1 src=16385 daddr=127.0.0.1 dest=53765 netif=lo [ 1095.984535][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1095.985194][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:28 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x81f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:28 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x3}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1095.991063][ T4185] audit: audit_lost=1785873 audit_rate_limit=0 audit_backlog_limit=64 [ 1095.991069][ T4185] audit: backlog limit exceeded [ 1095.991086][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1095.991096][ T4185] audit: audit_lost=1785874 audit_rate_limit=0 audit_backlog_limit=64 [ 1096.014022][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1096.032051][ C1] audit: audit_lost=1785875 audit_rate_limit=0 audit_backlog_limit=64 [ 1096.040264][ C1] audit: backlog limit exceeded 15:35:28 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x5c, r5}) [ 1096.376905][T13109] Can't find a SQUASHFS superblock on nullb0 [ 1096.453965][T13114] Can't find a SQUASHFS superblock on nullb0 15:35:28 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x821, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:28 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x4}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:28 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x68, r5}) [ 1096.707763][T13125] Can't find a SQUASHFS superblock on nullb0 15:35:28 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) openat$smackfs_ipv6host(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/fs/smackfs/ipv6host\x00', 0x2, 0x0) getsockname$llc(0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080)=0x10) r3 = syz_open_dev$dri(0x0, 0x0, 0x0) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) ioctl$VIDIOC_QBUF(r6, 0xc058560f, &(0x7f0000000140)={0xfffc, 0x3, 0x4, 0x80000000, 0xac, {}, {0x2, 0x8, 0x1, 0xc, 0x13, 0x81, "0500"}, 0xb3c6, 0x2, @userptr=0x1, 0x80000001}) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = syz_open_dev$dri(0x0, 0x0, 0x0) r8 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r8, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r10 = dup(r9) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r7, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r10, 0x80dc5521, &(0x7f0000000100)=""/63) dup2(r0, r1) 15:35:28 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x827, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1096.868032][T13134] Can't find a SQUASHFS superblock on nullb0 15:35:29 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x300}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:29 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1097.107510][T13144] Can't find a SQUASHFS superblock on nullb0 [ 1097.177583][T13148] Can't find a SQUASHFS superblock on nullb0 15:35:29 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x82e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:29 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6c, r5}) 15:35:29 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x1f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:29 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_dev$dri(0x0, 0x0, 0x401) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) ioctl$sock_inet_SIOCGIFDSTADDR(r6, 0x8917, &(0x7f0000000080)={'veth0_to_bridge\x00', {0x2, 0x4e24, @multicast2}}) r7 = dup(r2) r8 = syz_open_dev$dri(0x0, 0x0, 0x0) r9 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r9, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r11 = dup(r10) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r8, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r11}) ioctl$sock_SIOCGIFVLAN_SET_VLAN_INGRESS_PRIORITY_CMD(r11, 0x8982, &(0x7f0000000040)={0x2, 'macvlan1\x00', {0x7}, 0x1}) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r1) 15:35:29 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x839, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1097.542470][T13161] Can't find a SQUASHFS superblock on nullb0 [ 1097.639378][T13167] Can't find a SQUASHFS superblock on nullb0 15:35:29 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) ioctl$KDADDIO(r3, 0x4b34, 0x9) 15:35:29 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x2000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:29 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x74, r5}) 15:35:29 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x83c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:30 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = socket$inet(0x2, 0x3, 0x37) ioctl$SIOCGSTAMPNS(r3, 0x8907, &(0x7f0000000040)) r4 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r1) [ 1098.014635][T13179] Can't find a SQUASHFS superblock on nullb0 [ 1098.106955][T13183] Can't find a SQUASHFS superblock on nullb0 15:35:30 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x3f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:30 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x843, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:30 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x7a, r5}) 15:35:30 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) pipe(&(0x7f0000000040)={0xffffffffffffffff}) getsockopt$inet_mreqsrc(r4, 0x0, 0x25, &(0x7f0000000080)={@multicast1, @rand_addr, @multicast1}, &(0x7f00000000c0)=0xc) dup2(r0, r1) [ 1098.387229][T13197] Can't find a SQUASHFS superblock on nullb0 [ 1098.487172][T13204] Can't find a SQUASHFS superblock on nullb0 15:35:30 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x4000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:30 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x84b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:30 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x181100, 0x0) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x417) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x72, &(0x7f0000000000)={r4, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(0xffffffffffffffff, 0x84, 0x6f, &(0x7f0000000180)={r4, 0xd0, &(0x7f0000000080)=[@in={0x2, 0x4e21, @multicast2}, @in={0x2, 0x81, @empty}, @in={0x2, 0x4e20, @empty}, @in={0x2, 0x4e20, @multicast2}, @in={0x2, 0x4e22, @local}, @in6={0xa, 0x4e20, 0xd82, @empty, 0x3}, @in6={0xa, 0x4e21, 0xb27f100, @ipv4={[], [], @broadcast}, 0x5}, @in6={0xa, 0x4e21, 0x1, @loopback, 0x401}, @in={0x2, 0x4e21, @loopback}, @in6={0xa, 0x4e20, 0x7, @remote, 0x1}]}, &(0x7f00000001c0)=0x10) setsockopt$inet_sctp_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000200)=@assoc_value={r5, 0x4}, 0x8) r6 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socket$kcm(0x29, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) dup2(r0, r6) [ 1098.772751][T13213] Can't find a SQUASHFS superblock on nullb0 15:35:30 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xe0, r5}) [ 1098.877248][T13218] Can't find a SQUASHFS superblock on nullb0 15:35:31 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x60ff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:31 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x84c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1099.148101][T13230] Can't find a SQUASHFS superblock on nullb0 [ 1099.255577][T13235] Can't find a SQUASHFS superblock on nullb0 15:35:31 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:31 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x84d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1099.516923][T13242] Can't find a SQUASHFS superblock on nullb0 15:35:31 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IPT_SO_GET_REVISION_MATCH(0xffffffffffffffff, 0x0, 0x42, &(0x7f0000000080)={'ipvs\x00'}, &(0x7f00000000c0)=0x1e) r3 = dup(r2) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) r8 = socket$nl_generic(0x10, 0x3, 0x10) prctl$PR_SET_FPEMU(0xa, 0x2) r9 = syz_genetlink_get_family_id$tipc(&(0x7f0000000400)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r8, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x30, r9, 0x44b6f2ca51787dc7, 0x0, 0x40, {{}, {}, {0x14, 0x19, {0x2}}}}, 0x30}}, 0x0) ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0x17) bpf$MAP_DELETE_BATCH(0x1b, &(0x7f00000003c0)={&(0x7f0000000200)="f40b9e507e02e11c908dfe55011e3602e50914c0b834d062aeab51746af9005f0104b862a39092d7e2b94bb611cf9cf9c9e80f7d3108eb4b5ceb9b75fa6dc3d9aa9a5cd7ecd4ed8fa6d40686ad1bf4347f56cb19b9c550419b55b4287c6256dd22a27dbead29478355e888e56538d2c3798ba64368d534597ddda66d3bd7f8a52fb47e4e5b38a3d31ad7a6a9eab491968ba8add6caafd1093ab2", &(0x7f0000000300)=""/109, &(0x7f0000000380)="640715cc4ae750713f38589952", &(0x7f0000000540)="eb63b398ae09406bca98d4dc884f5937b250a48105ae3044332b582002d4ff3cf948e4a9239721fd06dddf17e9bfbce12bbf4089c14e8998efd3011b03bac0424d2ec2cc0c42092afead070823c74a2642e6d6c2b0c36a1a1cce88ba79d2ee9718eadf1adad208a9da5f36f93df89e37c77e886d351bfb0274a1b1e3ac486f9466b8e780e6cb00e5349c1019e8c6c6009c72e87d481f6828cebbafc481dd15e3f5c368d72b50c0f81ce9fec78941313604da4038759c7df7eb4d9483d6818e4da8c428172e60f4d67e57fa94a4d4d4012c3a98bc8acaffd8dd2ee822cf5c7d5a74a939156d81384c3b9d1e038f80d45ff33b962b7c3b274a", 0x0, r3, 0x4}, 0x38) sendmsg$TIPC_CMD_ENABLE_BEARER(r7, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2b4243b0096de70c}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)=ANY=[@ANYBLOB="349cd63a", @ANYRES16=r9, @ANYBLOB="000127bd7000fddbdf250120000000000000014100000018001700000012000000006574683a6d61637365633000"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4000010) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bind$netlink(r3, &(0x7f0000000040)={0x10, 0x0, 0x25dfdbfc, 0x400}, 0xc) dup2(r0, r1) [ 1099.620126][T13246] Can't find a SQUASHFS superblock on nullb0 15:35:31 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xf0, r5}) 15:35:31 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7f00}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:31 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x851, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1099.903266][T13260] Can't find a SQUASHFS superblock on nullb0 15:35:32 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) sendmsg$RDMA_NLDEV_CMD_RES_PD_GET(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, 0x140e, 0x300, 0x70bd29, 0x25dfdbfe, "", [@RDMA_NLDEV_ATTR_RES_PDN={0x8, 0x3c, 0x4}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_RES_PDN={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x2d0040, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) ioctl$VIDIOC_G_EXT_CTRLS(0xffffffffffffffff, 0xc0205647, &(0x7f0000000100)={0xa00000, 0x60, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x990a90, 0x1000, [], @value64=0xffffffff}}) ioctl$ASHMEM_SET_NAME(r9, 0x41007701, &(0x7f0000000140)='/dev/ashmem\x00') r10 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) r11 = fsmount(r10, 0x1, 0x0) r12 = dup(r11) ioctl$PERF_EVENT_IOC_ENABLE(r12, 0x8912, 0x400200) dup2(r0, r1) [ 1100.012169][T13263] Can't find a SQUASHFS superblock on nullb0 15:35:32 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x853, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:32 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xb700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:32 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) 15:35:32 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x204, r5}) [ 1100.389665][T13275] Can't find a SQUASHFS superblock on nullb0 [ 1100.495254][T13282] Can't find a SQUASHFS superblock on nullb0 15:35:32 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x854, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:32 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x80000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:32 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$FS_IOC_SETVERSION(r7, 0x40087602, &(0x7f0000000040)=0x7) dup2(r0, r1) 15:35:32 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x858, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1100.842822][T13295] Can't find a SQUASHFS superblock on nullb0 [ 1100.925380][T13297] Can't find a SQUASHFS superblock on nullb0 [ 1100.974024][ T27] kauditd_printk_skb: 39709 callbacks suppressed [ 1100.974034][ T27] audit: type=1400 audit(1585496132.967:1361453): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=2030 comm="kworker/u4:0" saddr=127.0.0.1 src=59587 daddr=127.0.0.1 dest=16385 netif=lo [ 1100.975238][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1100.982252][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1101.002558][ C1] audit: audit_lost=1795996 audit_rate_limit=0 audit_backlog_limit=64 15:35:33 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x300, r5}) [ 1101.002564][ C1] audit: backlog limit exceeded [ 1101.008480][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1101.009441][ T7592] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1101.015820][ C1] audit: audit_lost=1795997 audit_rate_limit=0 audit_backlog_limit=64 [ 1101.035414][ T4188] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1101.041827][ C1] audit: backlog limit exceeded 15:35:33 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) sendmsg$IPSET_CMD_SWAP(r4, &(0x7f00000001c0)={&(0x7f0000000080), 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x64, 0x6, 0x6, 0x5, 0x0, 0x0, {0x1, 0x0, 0x1}, [@IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME2={0x9, 0x3, 'syz0\x00'}, @IPSET_ATTR_SETNAME2={0x9, 0x3, 'syz0\x00'}, @IPSET_ATTR_SETNAME2={0x9, 0x3, 'syz1\x00'}, @IPSET_ATTR_SETNAME2={0x9, 0x3, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5}]}, 0x64}, 0x1, 0x0, 0x0, 0x8000005}, 0x4840) r5 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x7, 0x0, &(0x7f0000000000)) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) r10 = dup(r9) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) dup2(r0, r5) 15:35:33 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x200000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:33 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x859, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1101.271938][T13308] Can't find a SQUASHFS superblock on nullb0 [ 1101.390118][T13315] Can't find a SQUASHFS superblock on nullb0 15:35:33 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x207200}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:33 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x85a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1101.649178][T13322] Can't find a SQUASHFS superblock on nullb0 [ 1101.709213][T13326] Can't find a SQUASHFS superblock on nullb0 15:35:33 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x402, r5}) 15:35:33 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x400000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:33 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x865, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1102.088212][T13335] Can't find a SQUASHFS superblock on nullb0 [ 1102.188468][T13343] Can't find a SQUASHFS superblock on nullb0 15:35:34 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x406, r5}) 15:35:34 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x86e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:34 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x51a000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1102.470382][T13352] Can't find a SQUASHFS superblock on nullb0 15:35:34 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x870, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1102.575711][T13356] Can't find a SQUASHFS superblock on nullb0 15:35:34 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x719000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:34 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x23, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) r10 = syz_open_dev$dri(0x0, 0x0, 0x0) r11 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r11, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r13 = dup(r12) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r10, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r13}) sendmsg$DEVLINK_CMD_RELOAD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)=ANY=[@ANYBLOB="d8000000", @ANYRES16=0x0, @ANYBLOB="000028bd7000ffdbdf25250000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008008a00", @ANYRES32=r5, @ANYBLOB="0e0001006e657464657673696d0000000f0002006e657464657673696d30000008008a00", @ANYRES32=r9, @ANYBLOB="0e0001006e657464657673696d0000000f0002006e657464657673696d30000008008c00000000000e0001006e657464657673696d0000000f0002006e657464657673696d30000008008c0000000000085bbb420001007063690011000200303030303a30303a31302e300000000008", @ANYRES32=r13, @ANYBLOB], 0xd8}, 0x1, 0x0, 0x0, 0x408c0}, 0xc0c0) dup2(r0, r1) 15:35:34 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x500, r5}) 15:35:35 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000240)="24000000180007841dfffd946f61050002008100fd038b0502000800040012000400ff7e280000001100ffffba16a0aa1c0900000000000012000000000000eff24d8238cfa47e23f7efbf54", 0x4c}], 0x1}, 0x0) r4 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) dup2(r0, r4) [ 1102.908539][T13368] Can't find a SQUASHFS superblock on nullb0 15:35:35 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x878, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1102.997524][T13372] Can't find a SQUASHFS superblock on nullb0 15:35:35 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x722000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1103.117607][T13378] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1103.220928][T13378] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. 15:35:35 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x87b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1103.342340][T13384] Can't find a SQUASHFS superblock on nullb0 15:35:35 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x600, r5}) 15:35:35 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x41007701, &(0x7f0000000080)='/dev/ashmem\x00') r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) r6 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r6, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) ioctl$SIOCAX25GETINFOOLD(r5, 0x89e9, &(0x7f0000000100)) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r1) [ 1103.396142][T13387] Can't find a SQUASHFS superblock on nullb0 15:35:35 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x770000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:35 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x880, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:35 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$sock_rose_SIOCDELRT(r3, 0x890c, &(0x7f0000000040)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x0}, 0xa4ef, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={'rose', 0x0}, 0x0, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @default, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}]}) dup2(r0, r1) [ 1103.784380][T13401] Can't find a SQUASHFS superblock on nullb0 [ 1103.908630][T13409] Can't find a SQUASHFS superblock on nullb0 15:35:36 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x80ffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:36 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x604, r5}) 15:35:36 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x881, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1104.157827][T13416] Can't find a SQUASHFS superblock on nullb0 [ 1104.233087][T13423] Can't find a SQUASHFS superblock on nullb0 15:35:36 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x907100}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:36 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r7, 0x84, 0x1e, &(0x7f0000000140), &(0x7f0000000180)=0x4) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) ioctl$ION_IOC_HEAP_QUERY(r9, 0xc0184908, &(0x7f0000000100)={0x34, 0x0, &(0x7f00000000c0)}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = dup(r10) mq_notify(r10, &(0x7f00000002c0)={0x0, 0x0, 0x4, @thr={&(0x7f00000001c0)="1d07068d59b36c55949007920cb3e8836bdcffb58e493631b1fe249006065d9f7f01d44696b1e73d68fea8a7381afdc8894318b4bd1d7a049dd5e6c346ed91fb51ee7fa9c0869cd91b082a70327bb188d0a2126619d7f0810cc9f1b310d0b466f94d3cc1d63bf2787f1b550144595300000000", &(0x7f0000000240)="995f798d146568464a3177cf8b8686419e0aa88b7069f9a0a0a6ffb86aae7bb91de094cfe7e53041ec563dc9c3a6f33d2e6449a21315ce6c0a06f6190fb58483b72a2d9aee382d79b73e9640ae01a424d6e4207b5ee4e2d9cbf79172b3573f1404ef6b6738"}}) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) dup2(r0, r1) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', r11}, 0x10) 15:35:36 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x88a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1104.498231][T13432] Can't find a SQUASHFS superblock on nullb0 [ 1104.638623][T13437] Can't find a SQUASHFS superblock on nullb0 15:35:36 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x700, r5}) 15:35:36 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) dup2(r0, r3) 15:35:36 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xa05100}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:36 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x895, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:37 executing program 0: ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(0xffffffffffffffff, 0x800442d4, &(0x7f0000000040)=0x40) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) timerfd_create(0x5, 0x80000) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/binder/transactions\x00', 0x0, 0x0) ioctl$TIOCL_PASTESEL(r1, 0x541c, &(0x7f00000000c0)) openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x200000, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) dup(0xffffffffffffffff) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x7) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) dup2(r0, r9) [ 1104.963326][T13451] Can't find a SQUASHFS superblock on nullb0 [ 1105.114032][T13459] Can't find a SQUASHFS superblock on nullb0 15:35:37 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x900, r5}) 15:35:37 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xb70000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:37 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x899, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1105.347146][T13467] Can't find a SQUASHFS superblock on nullb0 15:35:37 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = socket$inet6_sctp(0xa, 0x5, 0x84) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x417) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x72, &(0x7f0000000000)={r6, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f0000000040)={r6, 0x63, "ef5e67ad999037be6cc4e9a19496b407c8b78c3d12f18c31dcb0ca1b2ccf1426b731884477a199a39c122dad69afa59c66c116e6f97d8ae85790caac41e23570fcf6738c553dc806c0966ec47c13bbc95eab54795040a5375570e37f82ec88f322bb7b"}, &(0x7f00000000c0)=0x6b) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1105.464986][T13474] Can't find a SQUASHFS superblock on nullb0 15:35:37 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x1000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:37 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8a1, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:37 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) r8 = dup(0xffffffffffffffff) ioctl$RTC_PIE_OFF(r8, 0x7006) ioctl$SIOCX25SCALLUSERDATA(r7, 0x89e5, &(0x7f0000000040)={0x65, "3f5234527fa9a99ba49c6267b85217207049e76769899a6f92651b3f46ec7477ea55a41642136760094c5adc0065450337dce476585a268982ee6b2411086b13dc986cc61d91be18f864012422cfffc3a4e5f9ec6c4ff160917c71a5d3c7daf1455d64d74075c4eb4b1c630e409753c16af85de5424eeb63c35b78c18445f349"}) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1105.794711][T13483] Can't find a SQUASHFS superblock on nullb0 15:35:37 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xa00, r5}) [ 1105.863170][T13487] Can't find a SQUASHFS superblock on nullb0 15:35:38 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x2000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1105.981515][ C0] audit_log_start: 35528 callbacks suppressed [ 1105.981521][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1105.987801][ T27] audit: type=1400 audit(1585496137.968:1370980): lsm=SMACK fn=smack_file_open action=granted subject="_" object="_" requested=r pid=13489 comm="syz-executor.0" path="/dev/ashmem" dev="devtmpfs" ino=24458 [ 1105.994323][ C0] audit: audit_lost=1804692 audit_rate_limit=0 audit_backlog_limit=64 [ 1105.994328][ C0] audit: backlog limit exceeded [ 1105.994879][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1106.024361][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1106.027765][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1106.049415][ C0] audit: audit_lost=1804693 audit_rate_limit=0 audit_backlog_limit=64 [ 1106.057619][ C0] audit: backlog limit exceeded [ 1106.062625][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:38 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8a7, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:38 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) socket$inet_icmp_raw(0x2, 0x3, 0x1) dup2(r0, r1) [ 1106.175470][T13497] Can't find a SQUASHFS superblock on nullb0 [ 1106.334283][T13507] Can't find a SQUASHFS superblock on nullb0 15:35:38 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x3000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:38 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xb00, r5}) 15:35:38 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8af, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:38 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) fanotify_init(0x0, 0x0) r3 = dup(r2) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_SET(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000140)={0x14, r9, 0x1, 0x0, 0x0, {0x18}}, 0x200}, 0x1, 0xffffff7f}, 0x0) sendmsg$TIPC_NL_BEARER_DISABLE(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r9, 0x300, 0x70bd27, 0x25dfdbfb, {}, [@TIPC_NLA_NET={0x20, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ADDR={0x8, 0x2, 0x4d83afda}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x4}, @TIPC_NLA_NET_ID={0x8, 0x1, 0xe2}]}, @TIPC_NLA_MEDIA={0x10, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x10001}]}]}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x20000080) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1106.571952][T13512] Can't find a SQUASHFS superblock on nullb0 [ 1106.637952][T13516] Can't find a SQUASHFS superblock on nullb0 15:35:38 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x4000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1106.786030][T13523] tipc: All keys are flushed! 15:35:38 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8bc, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:39 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) set_robust_list(&(0x7f0000000100)={&(0x7f0000000080)={&(0x7f0000000040)}, 0x5, &(0x7f00000000c0)}, 0x18) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1106.993769][T13528] Can't find a SQUASHFS superblock on nullb0 [ 1107.109373][T13536] Can't find a SQUASHFS superblock on nullb0 15:35:39 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xc00, r5}) 15:35:39 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x1f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:39 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8d4, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:39 executing program 0: openat$smackfs_change_rule(0xffffffffffffff9c, &(0x7f0000000080)='/sys/fs/smackfs/change-rule\x00', 0x2, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$BINDER_GET_NODE_DEBUG_INFO(r5, 0xc018620b, &(0x7f00000000c0)={0x3}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) fcntl$getownex(r1, 0x10, &(0x7f0000000040)) setsockopt$TIPC_GROUP_LEAVE(r7, 0x10f, 0x88) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r1) [ 1107.444283][T13546] Can't find a SQUASHFS superblock on nullb0 15:35:39 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8d6, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1107.588655][T13556] Can't find a SQUASHFS superblock on nullb0 15:35:39 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x3f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:39 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xd00, r5}) 15:35:39 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup2(r0, r1) write$P9_RVERSION(r4, &(0x7f0000000040)=ANY=[@ANYBLOB="15f503090000006500"], 0x15) 15:35:39 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8d7, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1107.884047][T13565] Can't find a SQUASHFS superblock on nullb0 [ 1108.005142][T13576] Can't find a SQUASHFS superblock on nullb0 15:35:40 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x40000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:40 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xe00, r5}) 15:35:40 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8e1, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:40 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem\x00', 0x135043, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x410000, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) getsockname$packet(r3, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000003c0)=0x14) sendmsg$NL80211_CMD_GET_WIPHY(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f00000004c0)=ANY=[@ANYBLOB="0002000079ae0001403620382eb9026a19337577140a56494e994a408b5068de3b31696805993cb67e6687337cc69fe5fe8a3ed23f520eeef488eed09fc537fa3ec4dc9ae48102ab2fb5cadf0b6053e09be9aabe6a530c9cb0b25b6875378d06b743a1271fb77b664f7900000000000000ca6e4543536e1a448af583b33e0b9d99368dd910b75280af838f", @ANYRES16=0x0, @ANYBLOB="000228bd7000fedbdf2501000000080003006ba51c7805f51f44f15294200620b689740fc276ad6d6ddcce3db14a9a7d74c61573bd9d74c09c7063f632c869e35308a2c62af1cb1b237cbe2286cabb381b3a0806082db4e13258473270108037d87800035474", @ANYRES32=r5, @ANYRES32=r4], 0x5}, 0x1, 0x0, 0x0, 0x44005}, 0x4001) r6 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r7 = syz_open_dev$tty1(0xc, 0x4, 0x3) fsetxattr$trusted_overlay_nlink(r7, &(0x7f0000000040)='trusted.overlay.nlink\x00', &(0x7f0000000080)={'U+', 0xffffffff00000000}, 0x16, 0x3) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup(r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) dup2(r0, r6) r10 = syz_open_dev$dri(0x0, 0x0, 0x0) r11 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r11, 0xc0184900, &(0x7f0000000040)={0xa928, 0x0, 0x0, 0xffffffffffffffff}) r13 = dup(r12) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r10, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r13}) ioctl$EVIOCGKEY(r13, 0x80404518, &(0x7f00000000c0)=""/10) [ 1108.259799][T13583] Can't find a SQUASHFS superblock on nullb0 [ 1108.348856][T13589] Can't find a SQUASHFS superblock on nullb0 15:35:40 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7f000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:40 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x2c0282, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) 15:35:40 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xf00, r5}) [ 1108.673524][T13599] Can't find a SQUASHFS superblock on nullb0 15:35:40 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8e9, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:41 executing program 0: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r2) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x1) prctl$PR_SET_DUMPABLE(0x4, 0x1) dup2(r0, r1) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) timerfd_gettime(r7, &(0x7f0000000080)) 15:35:41 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8ea, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:41 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x1100, r5}) 15:35:41 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8ec, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1109.462701][T13622] Can't find a SQUASHFS superblock on nullb0 15:35:41 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x1200, r5}) 15:35:41 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x8ff, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:41 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xebffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1109.927617][T13633] Can't find a SQUASHFS superblock on nullb0 [ 1110.014119][T13638] Can't find a SQUASHFS superblock on nullb0 15:35:42 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x902, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:42 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xfbffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:42 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x1800, r5}) [ 1110.360745][T13646] Can't find a SQUASHFS superblock on nullb0 15:35:42 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x903, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1110.453972][T13649] Can't find a SQUASHFS superblock on nullb0 15:35:42 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xff600000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:42 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x90c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:42 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2000, r5}) [ 1110.803995][T13660] Can't find a SQUASHFS superblock on nullb0 [ 1110.919809][T13667] Can't find a SQUASHFS superblock on nullb0 [ 1110.991189][ T7399] audit_log_start: 36013 callbacks suppressed [ 1110.991195][ T7399] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1110.991848][ C0] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1110.997462][ T27] audit: type=1400 audit(1585496142.978:1380929): lsm=SMACK fn=smack_inode_getattr action=granted subject="_" object="_" requested=r pid=4188 comm="systemd-udevd" path="/sys/devices/virtual" dev="sysfs" ino=1047 [ 1111.003814][ C0] audit: audit_lost=1813411 audit_rate_limit=0 audit_backlog_limit=64 15:35:43 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x90d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1111.003819][ C0] audit: backlog limit exceeded [ 1111.004417][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1111.012138][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1111.067596][T13670] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1111.069832][ T7206] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1111.077482][ T7399] audit: audit_lost=1813412 audit_rate_limit=0 audit_backlog_limit=64 15:35:43 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffff8000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:43 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2500, r5}) [ 1111.307464][T13675] Can't find a SQUASHFS superblock on nullb0 [ 1111.370422][T13678] Can't find a SQUASHFS superblock on nullb0 15:35:43 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x912, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:43 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffeb}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1111.664598][T13689] Can't find a SQUASHFS superblock on nullb0 [ 1111.741160][T13693] Can't find a SQUASHFS superblock on nullb0 15:35:43 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x915, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:43 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x3f00, r5}) 15:35:43 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xfffffffb}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1111.985360][T13701] Can't find a SQUASHFS superblock on nullb0 15:35:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x918, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:44 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4000, r5}) 15:35:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x91c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x922, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1112.769004][T13721] Can't find a SQUASHFS superblock on nullb0 15:35:44 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4800, r5}) 15:35:44 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x928, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x80000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1113.234173][T13733] Can't find a SQUASHFS superblock on nullb0 15:35:45 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4c00, r5}) [ 1113.318458][T13736] Can't find a SQUASHFS superblock on nullb0 15:35:45 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x92c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x400000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1113.611221][T13745] Can't find a SQUASHFS superblock on nullb0 15:35:45 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x931, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:45 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x5c00, r5}) [ 1113.713837][T13752] Can't find a SQUASHFS superblock on nullb0 15:35:45 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x60ffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:46 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x93e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1114.003846][T13761] Can't find a SQUASHFS superblock on nullb0 [ 1114.098037][T13764] Can't find a SQUASHFS superblock on nullb0 15:35:46 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6800, r5}) 15:35:46 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x770000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:46 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x944, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1114.411799][T13774] Can't find a SQUASHFS superblock on nullb0 15:35:46 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6c00, r5}) 15:35:46 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x94d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x94f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:47 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x7400, r5}) [ 1115.162969][T13791] Can't find a SQUASHFS superblock on nullb0 15:35:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x951, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:47 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7fffffffefff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:47 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x957, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:47 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x7a00, r5}) [ 1115.774021][T13806] Can't find a SQUASHFS superblock on nullb0 [ 1115.872611][T13812] Can't find a SQUASHFS superblock on nullb0 15:35:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7ffffffff000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1116.006056][ T7399] audit_log_start: 34897 callbacks suppressed [ 1116.006063][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1116.006336][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1116.014075][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1116.018704][ C1] audit: audit_lost=1821608 audit_rate_limit=0 audit_backlog_limit=64 [ 1116.018709][ C1] audit: backlog limit exceeded [ 1116.018941][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1116.030555][T13813] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1116.031852][ C1] audit: audit_lost=1821609 audit_rate_limit=0 audit_backlog_limit=64 [ 1116.031858][ C1] audit: backlog limit exceeded [ 1116.032104][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x958, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1116.147267][T13821] Can't find a SQUASHFS superblock on nullb0 [ 1116.224481][T13826] Can't find a SQUASHFS superblock on nullb0 15:35:48 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xe0ff, r5}) 15:35:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xb70000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1116.413723][T13831] Can't find a SQUASHFS superblock on nullb0 15:35:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x959, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1116.511487][T13834] Can't find a SQUASHFS superblock on nullb0 15:35:48 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x1000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1116.758834][T13844] Can't find a SQUASHFS superblock on nullb0 15:35:48 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x963, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:48 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xf0ff, r5}) [ 1116.887699][T13846] Can't find a SQUASHFS superblock on nullb0 15:35:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7ffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:49 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x96a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1117.187094][T13857] Can't find a SQUASHFS superblock on nullb0 [ 1117.254228][T13862] Can't find a SQUASHFS superblock on nullb0 15:35:49 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xff0f, r5}) 15:35:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x20000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:49 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x96c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1117.519533][T13869] Can't find a SQUASHFS superblock on nullb0 [ 1117.608807][T13874] Can't find a SQUASHFS superblock on nullb0 15:35:49 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x20720000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:49 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x970, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:49 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xffe0, r5}) [ 1117.878013][T13880] Can't find a SQUASHFS superblock on nullb0 [ 1117.957001][T13884] Can't find a SQUASHFS superblock on nullb0 15:35:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x40000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x979, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1118.243174][T13893] Can't find a SQUASHFS superblock on nullb0 [ 1118.349608][T13898] Can't find a SQUASHFS superblock on nullb0 15:35:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x80ffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:50 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xfff0, r5}) 15:35:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x97a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1118.569106][T13903] Can't find a SQUASHFS superblock on nullb0 [ 1118.636921][T13909] Can't find a SQUASHFS superblock on nullb0 15:35:50 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x90710000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:50 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x97e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1118.912070][T13916] Can't find a SQUASHFS superblock on nullb0 [ 1119.001002][T13920] Can't find a SQUASHFS superblock on nullb0 15:35:51 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b820, r5}) 15:35:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xa0510000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x981, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1119.355488][T13930] Can't find a SQUASHFS superblock on nullb0 [ 1119.423199][T13934] Can't find a SQUASHFS superblock on nullb0 15:35:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xf0ffffff7f0000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:51 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b821, r5}) 15:35:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x984, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1119.626611][T13939] Can't find a SQUASHFS superblock on nullb0 [ 1119.686831][T13943] Can't find a SQUASHFS superblock on nullb0 15:35:51 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x100000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:51 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x986, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1119.908510][T13951] Can't find a SQUASHFS superblock on nullb0 [ 1119.976765][T13953] Can't find a SQUASHFS superblock on nullb0 15:35:52 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b822, r5}) 15:35:52 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x200000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:52 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x987, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1120.427373][T13962] Can't find a SQUASHFS superblock on nullb0 [ 1120.502066][T13967] Can't find a SQUASHFS superblock on nullb0 15:35:52 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b823, r5}) 15:35:52 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x300000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:52 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9a6, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1121.012241][ T27] kauditd_printk_skb: 37439 callbacks suppressed [ 1121.012250][ T27] audit: type=1400 audit(1585496153.039:1402024): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=421 comm="kworker/u4:6" saddr=127.0.0.1 src=32789 daddr=127.0.0.1 dest=16385 netif=lo [ 1121.019333][ C1] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1121.041115][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1121.047533][ C1] audit: audit_lost=1830565 audit_rate_limit=0 audit_backlog_limit=64 [ 1121.062274][ C1] audit: backlog limit exceeded [ 1121.067754][ T4188] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1121.072789][ C1] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1121.075055][T13978] audit: audit_backlog=66 > audit_backlog_limit=64 [ 1121.081154][ C1] audit: audit_lost=1830566 audit_rate_limit=0 audit_backlog_limit=64 [ 1121.081160][ C1] audit: backlog limit exceeded 15:35:53 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b824, r5}) 15:35:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9d3, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1121.307926][T13986] Can't find a SQUASHFS superblock on nullb0 15:35:53 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x400000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:53 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2b825, r5}) [ 1121.594721][T13994] Can't find a SQUASHFS superblock on nullb0 15:35:53 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9db, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1121.674045][T13999] Can't find a SQUASHFS superblock on nullb0 15:35:53 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x1f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9e4, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1121.938374][T14008] Can't find a SQUASHFS superblock on nullb0 15:35:54 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d0, r5}) 15:35:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9e7, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:54 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d1, r5}) 15:35:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9ea, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1122.714823][T14027] Can't find a SQUASHFS superblock on nullb0 15:35:54 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9ed, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:55 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x3f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:55 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d2, r5}) 15:35:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9f5, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1123.149024][T14037] Can't find a SQUASHFS superblock on nullb0 [ 1123.224966][T14042] Can't find a SQUASHFS superblock on nullb0 15:35:55 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x4000000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9f8, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:55 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d3, r5}) [ 1123.433345][T14048] Can't find a SQUASHFS superblock on nullb0 [ 1123.509150][T14052] Can't find a SQUASHFS superblock on nullb0 15:35:55 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7f00000000000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:55 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0x9fa, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1123.775911][T14060] Can't find a SQUASHFS superblock on nullb0 [ 1123.855335][T14065] Can't find a SQUASHFS superblock on nullb0 15:35:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0x7fffffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:56 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d4, r5}) 15:35:56 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa00, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1124.147605][T14073] Can't find a SQUASHFS superblock on nullb0 [ 1124.247316][T14077] Can't find a SQUASHFS superblock on nullb0 15:35:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xebffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:56 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa04, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:56 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d5, r5}) [ 1124.564931][T14085] Can't find a SQUASHFS superblock on nullb0 [ 1124.646798][T14090] Can't find a SQUASHFS superblock on nullb0 15:35:56 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa06, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:56 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xfbffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:57 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa0c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1125.036910][T14100] Can't find a SQUASHFS superblock on nullb0 [ 1125.113626][T14104] Can't find a SQUASHFS superblock on nullb0 15:35:57 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2d7d6, r5}) 15:35:57 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffefffffff7f0000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:57 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa0d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1125.394346][T14113] Can't find a SQUASHFS superblock on nullb0 [ 1125.462376][T14116] Can't find a SQUASHFS superblock on nullb0 15:35:57 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffff00000000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:57 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x100000, r5}) 15:35:57 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa11, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1125.832421][T14124] Can't find a SQUASHFS superblock on nullb0 [ 1125.920344][T14132] Can't find a SQUASHFS superblock on nullb0 [ 1126.026769][ C0] audit_log_start: 38597 callbacks suppressed [ 1126.026775][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1126.030529][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1126.032947][ C0] audit: audit_lost=1840136 audit_rate_limit=0 audit_backlog_limit=64 [ 1126.039718][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1126.045924][ C0] audit: backlog limit exceeded [ 1126.046202][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 15:35:58 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffffff600000}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa12, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1126.054409][ T27] audit: type=1400 audit(1585496158.040:1412038): lsm=SMACK fn=smack_inode_permission action=granted subject="_" object="_" requested=x pid=7206 comm="syz-executor.1" name="syzkaller.WJwXtF" dev="sda1" ino=15725 [ 1126.060666][ C0] audit: audit_lost=1840137 audit_rate_limit=0 audit_backlog_limit=64 [ 1126.060672][ C0] audit: backlog limit exceeded [ 1126.090093][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1126.194545][T14137] Can't find a SQUASHFS superblock on nullb0 15:35:58 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x1000000, r5}) [ 1126.267946][T14142] Can't find a SQUASHFS superblock on nullb0 15:35:58 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffffffff0700}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa13, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1126.521326][T14148] Can't find a SQUASHFS superblock on nullb0 [ 1126.627556][T14155] Can't find a SQUASHFS superblock on nullb0 15:35:58 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2000000, r5}) 15:35:58 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffffffffff7f}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:35:58 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa19, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1126.888875][T14163] Can't find a SQUASHFS superblock on nullb0 15:35:59 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa1f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:35:59 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x2040000, r5}) 15:35:59 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa23, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1127.617015][T14179] Can't find a SQUASHFS superblock on nullb0 15:35:59 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa24, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:00 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0, 0x0, 0xffffffffffffffff}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa30, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1128.188889][T14189] Can't find a SQUASHFS superblock on nullb0 15:36:00 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x3000000, r5}) [ 1128.255789][T14193] Can't find a SQUASHFS superblock on nullb0 15:36:00 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x2}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa40, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1128.617520][T14202] Can't find a SQUASHFS superblock on nullb0 [ 1128.712834][T14207] Can't find a SQUASHFS superblock on nullb0 15:36:00 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa41, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:00 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x3}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:01 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x4000000, r5}) [ 1128.956762][T14215] Can't find a SQUASHFS superblock on nullb0 15:36:01 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa46, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1129.058235][T14220] Can't find a SQUASHFS superblock on nullb0 15:36:01 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x4}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:01 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa4e, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1129.372166][T14230] Can't find a SQUASHFS superblock on nullb0 15:36:01 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x5000000, r5}) [ 1129.461041][T14236] Can't find a SQUASHFS superblock on nullb0 15:36:01 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x300}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:01 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa4f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1129.747134][T14242] Can't find a SQUASHFS superblock on nullb0 [ 1129.856990][T14250] Can't find a SQUASHFS superblock on nullb0 15:36:01 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x1f00}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa54, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:02 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6000000, r5}) [ 1130.142072][T14257] Can't find a SQUASHFS superblock on nullb0 15:36:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa55, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1130.239758][T14264] Can't find a SQUASHFS superblock on nullb0 15:36:02 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x2000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1130.578514][T14271] Can't find a SQUASHFS superblock on nullb0 15:36:02 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x6040000, r5}) [ 1130.652413][T14273] Can't find a SQUASHFS superblock on nullb0 15:36:02 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x3f00}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:02 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa60, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1130.868866][T14279] Can't find a SQUASHFS superblock on nullb0 15:36:03 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem\x00', 0x121000, 0x0) ioctl$ASHMEM_SET_SIZE(r2, 0x40087703, 0x400) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) dup(r4) ioctl$ASHMEM_SET_NAME(0xffffffffffffffff, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = syz_open_dev$dri(0x0, 0x0, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) ioctl$SIOCX25CALLACCPTAPPRV(r9, 0x89e8) r10 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r10, 0x8912, 0x400200) dup2(r0, r1) [ 1130.965451][T14283] Can't find a SQUASHFS superblock on nullb0 [ 1131.029002][ C0] audit_log_start: 36318 callbacks suppressed [ 1131.029008][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1131.041698][ C0] audit: audit_lost=1849124 audit_rate_limit=0 audit_backlog_limit=64 [ 1131.049898][ C0] audit: backlog limit exceeded [ 1131.055621][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1131.056167][ T7206] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1131.062495][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 15:36:03 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x4000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1131.075301][ C0] audit: audit_lost=1849125 audit_rate_limit=0 audit_backlog_limit=64 [ 1131.084221][ C0] audit: backlog limit exceeded [ 1131.089249][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1131.089474][T13445] audit: audit_backlog=65 > audit_backlog_limit=64 15:36:03 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa61, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:03 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x10, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) dup2(r0, r1) [ 1131.282458][T14295] Can't find a SQUASHFS superblock on nullb0 15:36:03 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x7000000, r5}) [ 1131.363947][T14300] Can't find a SQUASHFS superblock on nullb0 15:36:03 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x60ff}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:03 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa68, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:03 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) r2 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa\x00', 0x2a080, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(r2, 0x40a85323, &(0x7f0000000080)={{0x6, 0xfe}, 'port0\x00', 0x46, 0xa0800, 0x5, 0x80000000, 0x4, 0x34, 0xfff, 0x0, 0x3, 0x3f}) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socket$can_bcm(0x1d, 0x2, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r1) [ 1131.658000][T14313] Can't find a SQUASHFS superblock on nullb0 15:36:03 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa6c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:03 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x8000000, r5}) 15:36:04 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = gettid() ptrace$setopts(0x4206, r4, 0x0, 0x0) tkill(r4, 0x1b) ptrace$setregs(0xd, r4, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r4, 0x0, 0x0) setpriority(0x1, r4, 0xdc5) dup2(r0, r1) 15:36:04 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa73, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:04 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') ioctl$VHOST_RESET_OWNER(0xffffffffffffffff, 0xaf02, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) 15:36:04 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x9000000, r5}) 15:36:04 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1132.440492][T14341] Can't find a SQUASHFS superblock on nullb0 15:36:04 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa79, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:04 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x456ed000) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) 15:36:04 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xa000000, r5}) 15:36:05 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$sock_inet_SIOCSIFNETMASK(r7, 0x891c, &(0x7f0000000080)={'syzkaller1\x00', {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x33}}}) r8 = dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r8}) r9 = syz_genetlink_get_family_id$smc(&(0x7f0000000140)='SMC_PNETID\x00') sendmsg$SMC_PNETID_ADD(r8, &(0x7f0000000340)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x50, r9, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz1\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz2\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x40}, 0x28000014) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r10 = socket$caif_seqpacket(0x25, 0x5, 0x2) dup2(r0, r10) 15:36:05 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa7c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:05 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x7700}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1133.134951][T14365] Can't find a SQUASHFS superblock on nullb0 15:36:05 executing program 2: r0 = socket(0x10, 0x2, 0x0) write(r0, &(0x7f0000000280)="1c0000001a009b8a140000003b9b301f00"/28, 0x32) r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) recvmmsg(r4, &(0x7f0000007cc0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}, 0xfffffffb}, {{0x0, 0x0, 0x0}, 0x81}, {{0x0, 0x0, &(0x7f00000029c0)=[{&(0x7f00000017c0)=""/63, 0x3f}, {&(0x7f0000001900)=""/76, 0x4c}, {&(0x7f0000001980)=""/4096, 0x1000}, {&(0x7f00000002c0)=""/67, 0x43}], 0x4}}], 0x4, 0x0, 0x0) r5 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r6 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r6, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r6, 0x0) ioctl$ASHMEM_SET_NAME(r6, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) dup2(r5, r6) r9 = syz_init_net_socket$x25(0x9, 0x5, 0x0) getsockopt$IP_VS_SO_GET_SERVICES(r9, 0x0, 0x482, &(0x7f0000000040)=""/144, &(0x7f0000000100)=0x90) [ 1133.310063][T14374] Can't find a SQUASHFS superblock on nullb0 15:36:05 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa88, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:05 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xb000000, r5}) 15:36:05 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x7f00}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1133.551819][T14384] Can't find a SQUASHFS superblock on nullb0 15:36:05 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20\x00', 0x40000, 0x0) ioctl$SNDRV_TIMER_IOCTL_STATUS32(r2, 0x80585414, &(0x7f0000000080)) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x810, r1, 0x3000) sendmsg$tipc(r2, &(0x7f0000002980)={0x0, 0x0, &(0x7f00000027c0)=[{&(0x7f0000000280)="60b18cc298cec397f34176e060eb3a09390f8e2e5468a25f8eb7ad7169bb3cd5f4d69b289029d955818c94e6e157ce09fb1ef236c355e5349fc891fc11803d699e76ab0b6c1825eb49fbc8c9fcc00bc20ce615163a3625a9a3e12b9c5eb438de277bdc338c7faa30eb84630a6dba5700a0a03d215dc22b6f4a90581015e329d231e0550b0c3e6f0c5a40447196cf1c688307d6b302bf044dfc0821cf185a625aed900a29e51936f09f35bb3fe3890067744d641ce7cc190f1c51238da953294398e4e48029d95ba6599f14114fb4c401e3", 0xd1}, {&(0x7f0000000380)="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", 0x1000}, {&(0x7f0000000140)="4e8dcecf91cdf17e08bd193ac67fd3f7f0d3d4051bf878ee30851c62a558a8c78e26e5aba6a4240a1a2852367aca7f8f4c72", 0x32}, {&(0x7f0000001380)="3779470b67a38ccc47734c58f76c0ed9a91125242af78770607c994d5ebb61077c30c00f82a3f8983b5e077a8ccc44c853f00a8118dc806c82c7170af71e840297a05a031aae04809d09d2560795ab50509d8fd84e7563c8e27a126dc8c765305ca095b0da7f4b65f0cfe283d9ab44ff9725a07a20c9e4cfc986ce5bc6b9c409140c6fd6fda4cb4eb44d4aca9427a8779623a72ca289a7dbd2977a00e7bb593c888813dcd5465e6287ef6d0e99549306dc78da504e5f885d4cea3233e9a4abccf8", 0xc1}, {&(0x7f0000001480)="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", 0x1000}, {&(0x7f0000002480)="db55b50c3dbaefd41254c8a84e93590369af46031494ac92f7a8f8546c7bae462cbef90dee1da56b7d76f8a27fe4143592f4a94f67779094896377d6aee857c9ec91bb64", 0x44}, {&(0x7f0000002500)="1c09e917b2c03d7325163fb50b338fe213e357b0b7dc5dc86f4d91ee4e37d017ba8f9a3f5f40bb91e6bde2134fbef4ffb403dbc4479d51d2bf7d8eee90cf8ba37e18d6dc768c1097b3fb5bfab14cc92673bc2e4c7d099677f7a9c6d5c7dea708122757ad6cea8e58c7fe477fe50f9efda5b8b8e22e9353e5ae230041adb5f2fc9986b56252516d3c2aa7365bb5b55b274cc7c67949debea3546715182f9a142a2152a04125073c449d701d82ac", 0xad}, {&(0x7f00000025c0)="01356b80fc56bdd76d8ba68167c8a85f5f1418d1c5471cf0d6e08c5f14be55cd4539637145329b15bc2a3efe1a62956222899c4915c0629975a35f6de7d7c4ad4477d99787f0b15fd42ed5e362d72e6b391ed6cef71c423f543a0c2a00f385a8aae6e5023871b8154376da94fc4d9af32d3909b0d502e07e22a0d282c5f0d5a444ccd19631b6876acda567321a649e3057d53f54", 0x94}, {&(0x7f0000002680)="798d4161714037d4326650cd9f1656e100cdea00ecfe4c3ce653ff835948c07d9f1c1fbc7fc168bda3eea91fbeca346e25a1aa3b7c070cc00779b94e7c4b533e777a8e3992f4832bf8915dffcfc374fbd3", 0x51}, {&(0x7f0000002700)="d1944d5c2d6a6f463338976e64901bb11949897abd8d7b078b04a761bb60146c955b6788b2ab308c9f667dcdd61e891902fb78aae398b9f5621566619c16644911eba423ff62b6dc42837db0b40ec48f466127a94f52e8081e815d28348d18b86c53e3437297f915bef06e1de8849e1ecdec78a8690bef31638fb336871ba9f01968bae25abafeaf8d51cbcabc7ff3bddda991fa2cebd5325e1d50", 0x9b}], 0xa, &(0x7f0000002880)="99e071e2964021bac5741516cbbdfcc24fb79991f432babb4d15037aae1a651efcc6c9bae4f13b50677f5f53ca06170c9f0b1f8e2e4fc9aaaf3a35a688edecad0d0bb6917f783289e97fff86c654e284bd8a3bfb0b750a557d96199d26fef5087cc9628027a9106739755bd40bafce9a184d1e5d73cfe998bcc43dce0f660e56f078f8f0918de4e429747592ff29b9a89352a5fa642d6b6413ba33ba627cf91ecac6b7ed7444694d1b47b383a38c444dbffec647cc6fc6293026214220041c23dcbee07651cba1f3292e26bda1c6a5ab9b656b817744a8027a1214ae468a732b20", 0xe1, 0x8000}, 0x20000000) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0xc6b00, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r1) 15:36:05 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa8d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:05 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xc000000, r5}) 15:36:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa9a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:06 executing program 2: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0x100000002) r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ion\x00', 0x410582, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) ioctl$KDENABIO(r4, 0x4b36) r5 = dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$DRM_IOCTL_GEM_CLOSE(0xffffffffffffffff, 0x40046f41, &(0x7f0000000100)={r6, 0x7000002}) ioctl$int_out(0xffffffffffffffff, 0x2, &(0x7f0000000080)) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ioctl$ASHMEM_SET_NAME(r0, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = dup(r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) keyctl$session_to_parent(0x12) dup2(r2, r0) [ 1134.334707][T14406] Can't find a SQUASHFS superblock on nullb0 15:36:06 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xd000000, r5}) 15:36:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xa9c, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:06 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x120000002) r2 = syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x4, 0x301000) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/binder/transaction_log\x00', 0x0, 0x0) setsockopt$netrom_NETROM_IDLE(r3, 0x103, 0x7, &(0x7f00000000c0)=0x5, 0x4) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x2000000, 0x80010, r2, 0x20000000) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) dup2(r0, r1) 15:36:06 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_open_dev$dri(0x0, 0x0, 0x0) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r3, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) sendmsg$RDMA_NLDEV_CMD_RES_QP_GET(r6, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, 0x140a, 0x2, 0x70bd26, 0x25dfdbfd, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_PORT_INDEX={0x8, 0x3, 0x3}, @RDMA_NLDEV_ATTR_RES_LQPN={0x8, 0x15, 0x4}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}]}, 0x30}, 0x1, 0x0, 0x0, 0x5}, 0x5ba8995377cb92b9) r7 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r1) 15:36:06 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xaa1, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:06 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0xb700}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:06 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xe000000, r5}) 15:36:07 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) openat(r4, &(0x7f0000000040)='./file0\x00', 0x200000, 0x4) r5 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r5, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r5, 0x0) ioctl$ASHMEM_SET_NAME(r5, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) dup2(r0, r5) 15:36:07 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xaa4, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1135.102249][T14431] Can't find a SQUASHFS superblock on nullb0 [ 1135.209747][T14436] Can't find a SQUASHFS superblock on nullb0 15:36:07 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x80000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:07 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) r1 = syz_open_dev$dri(0x0, 0x0, 0x0) r2 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r2, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r4 = dup(r3) prctl$PR_SET_SPECULATION_CTRL(0x35, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r1, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r4}) clock_adjtime(0x7, &(0x7f0000000280)={0xb21, 0x4, 0x2000000000000, 0x7, 0x7, 0xffff, 0x4, 0x5, 0x7f, 0x2, 0x1, 0x0, 0xffffffff00000000, 0x80000000, 0x3, 0x1, 0x77e, 0x100000000, 0x5, 0x7, 0x3, 0x40, 0x112, 0x8000, 0x0, 0x152}) ioctl$sock_SIOCSIFVLAN_GET_VLAN_INGRESS_PRIORITY_CMD(r4, 0x8983, &(0x7f0000000040)) ioctl$ASHMEM_SET_NAME(r0, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) dup2(0xffffffffffffffff, r0) 15:36:07 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) r0 = perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x2, 0x0, 0x0, 0x0, 0x41c1, 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, 0x10000, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=ANY=[@ANYBLOB="b46665722f6e756c6c300000"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x80000, 0x9) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000100)='./bus\x00', 0x2, 0x5, &(0x7f0000000e00), 0x10882, &(0x7f0000000440)=ANY=[]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') r2 = semget$private(0x0, 0x8, 0x0) semtimedop(r2, &(0x7f0000000040)=[{0x0, 0xffff}], 0x1, 0x0) writev(r0, &(0x7f0000000440)=[{&(0x7f0000000280)="e1c59e3daef71a2bf08f0482277f9c6108e9f41d794f2f544d32b5f07b56325d9d1c8b1da25ab0ea0e82f588cd99b17712fd6a03f8cdd070f7c1f13d739724964c04badf6305ffb315931dc7942a88c553951e574e8276d5d0fda82e0e73187ddea73e2aa947994b7cd096f4b4eabba50e3a98f4af", 0x75}, {&(0x7f00000005c0)="a04027188c4a4e08f1e673e130e2b44ed115241f2ef35f24cf30e52f5a69ddea5e905ebf3b4f40fa37895299716ebacd1535bfce233e886466c5ed70ebda14daab095f1076ce9bf80c33be3600bcac6fd6fbbfdcadfeb0e9469f8e75c7cd63048c31cef507d515e6ee015c5477c132df405c7532c34ab39ab261c531646224e59ac188c8bdab995a042bf9e2", 0x8c}, {&(0x7f0000000300)="43df4464804095488f8e08a255e3af99fb14b5a8", 0x14}, {&(0x7f0000000680)="304b93d4d45b76e53f07f426ad0d441ba7e60c00100db0a676c105a6d17ee5333a9a12d3b8a89ac9e725997bfaa9838b772755f97fbcbd82b265d759eac4d782bd4ea31999941d542332b80f9f775a1698588b07b3368e4915d0e31449738c630683abceb34370ee61a42572216b97896514dbc307c91a13de6ac544374debdff55bf346536a91a67387d1d8cdcbad6cdd71837a1312938dfaae7df825e48398d948ace6272e777ac1ab92bd4523297db80206c2bfb3be8e75167fda01d98e07c3186d063f", 0xc5}, {&(0x7f0000001840)="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", 0x10dc}, {&(0x7f0000001780)="9731f953047045121dabdda87dff99a91ed567c7018cfffe9dfe0cb5eaef183fbcf46d1e3a86f79ded3be1a5628e69810c778178ba29746bd37ba5a01503ae2c08947b84f2d59836c799db8d7dc613220a1a1395055f18f675d988cea14fba94c68d131265f73154e9a3a9fb3f0ee5d5e2ed215ae0e455d69eb0993b8b3bd9fd66f1f481f7cec1b314d06cf390db26c5a84923e4ed612f6a535243135ed606410143169c28c385025cbf0bcf5d9c780e017a59618952", 0xb6}, {&(0x7f0000000340)="e0b7a59f51b84865e09fcc03343a102a9d9784b25adafe0e760565cd4fa505add2879ef516fa7d2a37c6a204e1662665667733728605005332ef", 0x3a}], 0x7) semtimedop(r2, &(0x7f0000000080), 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b}) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x80000}) write$FUSE_NOTIFY_INVAL_INODE(0xffffffffffffffff, &(0x7f0000000240)={0x28, 0x2, 0x0, {0x5, 0x6}}, 0x28) semctl$SEM_STAT_ANY(r2, 0x5, 0x14, &(0x7f00000001c0)=""/22) preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) 15:36:07 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0xf000000, r5}) [ 1135.484897][T14447] Can't find a SQUASHFS superblock on nullb0 15:36:07 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xaba, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1135.610370][T14452] Can't find a SQUASHFS superblock on nullb0 15:36:07 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x200000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1135.903801][T14460] ISOFS: Unable to identify CD-ROM format. [ 1135.935860][T14472] Can't find a SQUASHFS superblock on nullb0 15:36:08 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xac2, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1136.038545][ T4188] audit_log_start: 40335 callbacks suppressed [ 1136.038552][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1136.049991][T14477] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1136.055266][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1136.057967][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1136.064356][ C0] audit: audit_lost=1859362 audit_rate_limit=0 audit_backlog_limit=64 [ 1136.064361][ C0] audit: backlog limit exceeded 15:36:08 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) r7 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f0000000280)=ANY=[@ANYBLOB="93b3293bbdcf3558e3d02084421374784c2e951b0a8d831d4ce14c1eb17335904562515bbba1273291cc14071f09569ea8cfd7254b5f60c5b0400a6bfd39dce00b835e244dfd85254460addc9ae0a96a189aaaaa2aa815ae3142578e302f00b68453d60e95a103c5b37e5c0c153dfa53a4507b58cb225f1a", @ANYRES32=0x0], &(0x7f000095dffc)=0x417) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x72, &(0x7f0000000000)={r8, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_CONTEXT(r5, 0x84, 0x11, &(0x7f0000000040)={r8, 0xf8}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f00000000c0)={r9, 0x2}, 0x8) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r11 = dup(r10) ioctl$PERF_EVENT_IOC_ENABLE(r11, 0x8912, 0x400200) dup2(r0, r1) [ 1136.070688][ T27] audit: type=1400 audit(1585496168.061:1431212): lsm=SMACK fn=smack_inode_permission action=granted subject="_" object="_" requested=x pid=1 comm="systemd" name="/" dev="sda1" ino=2 [ 1136.071266][T14477] audit: audit_lost=1859363 audit_rate_limit=0 audit_backlog_limit=64 [ 1136.095176][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1136.102961][T14478] Can't find a SQUASHFS superblock on nullb0 [ 1136.110245][ C0] audit: audit_lost=1859364 audit_rate_limit=0 audit_backlog_limit=64 15:36:08 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x10000000, r5}) 15:36:08 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000240)='/dev/btrfs-control\x00', 0x480, 0x0) recvfrom$rxrpc(r0, &(0x7f0000000280)=""/107, 0x6b, 0x1, &(0x7f0000000300)=@in4={0x21, 0x4, 0x2, 0x10, {0x2, 0x4e23, @multicast1}}, 0x24) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) mount(&(0x7f0000000080)=@nullb='/dev/nullb0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='debugfs\x00', 0x1, &(0x7f00000001c0)='squashfs\x00') getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000640)=ANY=[@ANYBLOB="4dab50719a35750324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c63df8ff1bb33ac5d4157b51c1aa532aabe83d670f01dd178326e23c5448fc", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b3505b55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a60634091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r1, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) bpf$BPF_MAP_GET_NEXT_ID(0xc, &(0x7f0000000440)={0x5, 0x1}, 0xc) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000340)={0xffffffffffffffff}, 0x106}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r2, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r3, 0x30, 0x0, @ib={0x1b, 0x0, 0x0, {"00000000000000000000000000000001"}}}}, 0x90) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000340)={0x13, 0x10, 0xfa00, {&(0x7f0000000740), r3}}, 0x18) ioctl$NS_GET_USERNS(r1, 0xb701, 0x0) 15:36:08 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x400000, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) [ 1136.433508][T14487] Can't find a SQUASHFS superblock on nullb0 [ 1136.529530][T14497] Can't find a SQUASHFS superblock on nullb0 15:36:08 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x207200}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1136.781905][T14508] Can't find a SQUASHFS superblock on nullb0 15:36:08 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) ioctl$CAPI_SET_FLAGS(r3, 0x80044324, &(0x7f0000000040)) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$VIDIOC_DV_TIMINGS_CAP(r7, 0xc0905664, &(0x7f0000000080)={0x0, 0x0, [], @raw_data=[0xff, 0x8, 0x1, 0x2, 0x81, 0x893, 0x10001, 0x1f, 0x6, 0x80000000, 0x7fffffff, 0x50, 0x101, 0x6, 0x80, 0x6, 0x8, 0x3f, 0x0, 0x6, 0x80000001, 0xffffffff, 0x1, 0xbb9, 0x7fff, 0xffffff01, 0xffffffff, 0x8a, 0xec62, 0x9, 0x7ff, 0x7fffffff]}) 15:36:08 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0xe4142b00, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) ioctl$TUNSETTXFILTER(r3, 0x400454d1, &(0x7f0000000080)={0x1, 0x8, [@local, @local, @empty, @dev={[], 0x13}, @empty, @dev={[], 0x14}, @local, @empty]}) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) 15:36:08 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x11000000, r5}) 15:36:08 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xacc, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1136.905858][T14514] Can't find a SQUASHFS superblock on nullb0 [ 1137.017955][T14517] IPVS: ftp: loaded support on port[0] = 21 [ 1137.026216][T14521] Can't find a SQUASHFS superblock on nullb0 15:36:09 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x400000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1139.049360][ T7206] [ 1139.051731][ T7206] ====================================================== [ 1139.058741][ T7206] WARNING: possible circular locking dependency detected [ 1139.066624][ T7206] 5.6.0-rc7-syzkaller #0 Not tainted [ 1139.071891][ T7206] ------------------------------------------------------ [ 1139.078897][ T7206] syz-executor.1/7206 is trying to acquire lock: [ 1139.085326][ T7206] ffff888090d79798 (&sb->s_type->i_mutex_key#16){+.+.}, at: shmem_fallocate+0xef/0xdb0 [ 1139.095047][ T7206] [ 1139.095047][ T7206] but task is already holding lock: [ 1139.102401][ T7206] ffffffff89107970 (fs_reclaim){+.+.}, at: __fs_reclaim_acquire+0x0/0x30 [ 1139.110812][ T7206] [ 1139.110812][ T7206] which lock already depends on the new lock. [ 1139.110812][ T7206] [ 1139.121206][ T7206] [ 1139.121206][ T7206] the existing dependency chain (in reverse order) is: [ 1139.130216][ T7206] [ 1139.130216][ T7206] -> #1 (fs_reclaim){+.+.}: [ 1139.136982][ T7206] lock_acquire+0x154/0x250 [ 1139.142010][ T7206] __fs_reclaim_acquire+0x20/0x30 [ 1139.147539][ T7206] prepare_alloc_pages+0x21d/0x4a0 [ 1139.153166][ T7206] __alloc_pages_nodemask+0xbf/0x600 [ 1139.158959][ T7206] alloc_pages_vma+0x4dd/0xd10 [ 1139.164226][ T7206] shmem_alloc_and_acct_page+0x40e/0xbe0 [ 1139.170363][ T7206] shmem_getpage_gfp+0x21b7/0x2db0 [ 1139.175980][ T7206] shmem_write_begin+0xcd/0x1a0 [ 1139.181336][ T7206] generic_perform_write+0x23b/0x4e0 [ 1139.187122][ T7206] __generic_file_write_iter+0x22b/0x4e0 [ 1139.193258][ T7206] generic_file_write_iter+0x4a6/0x650 [ 1139.199218][ T7206] __vfs_write+0x549/0x710 [ 1139.204137][ T7206] vfs_write+0x271/0x570 [ 1139.208882][ T7206] ksys_write+0x115/0x220 [ 1139.213742][ T7206] do_syscall_64+0xf3/0x1b0 [ 1139.218753][ T7206] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.225147][ T7206] [ 1139.225147][ T7206] -> #0 (&sb->s_type->i_mutex_key#16){+.+.}: [ 1139.233297][ T7206] validate_chain+0x1507/0x7be0 [ 1139.238663][ T7206] __lock_acquire+0xc5a/0x1bc0 [ 1139.243943][ T7206] lock_acquire+0x154/0x250 [ 1139.248954][ T7206] down_write+0x55/0x130 [ 1139.253703][ T7206] shmem_fallocate+0xef/0xdb0 [ 1139.259003][ T7206] ashmem_shrink_scan+0x367/0x4a0 [ 1139.264536][ T7206] do_shrink_slab+0x36f/0x5c0 [ 1139.269830][ T7206] shrink_slab+0x188/0x2b0 [ 1139.274769][ T7206] shrink_node_memcgs+0x414/0x5e0 [ 1139.280302][ T7206] shrink_node+0xb66/0x19c0 [ 1139.285327][ T7206] shrink_zones+0x27c/0x8d0 [ 1139.290344][ T7206] do_try_to_free_pages+0x229/0xc30 [ 1139.296049][ T7206] try_to_free_pages+0x328/0xb60 [ 1139.301493][ T7206] __alloc_pages_slowpath+0xe82/0x22a0 [ 1139.307477][ T7206] __alloc_pages_nodemask+0x3c4/0x600 [ 1139.313454][ T7206] kmem_getpages+0x49/0x930 [ 1139.318483][ T7206] cache_grow_begin+0x7b/0x2e0 [ 1139.323747][ T7206] fallback_alloc+0x135/0x1d0 [ 1139.328927][ T7206] kmem_cache_alloc+0x163/0x2d0 [ 1139.334280][ T7206] getname_flags+0xb8/0x610 [ 1139.339298][ T7206] user_path_mountpoint_at+0x22/0x40 [ 1139.345119][ T7206] ksys_umount+0xfd/0xf10 [ 1139.349955][ T7206] __x64_sys_umount+0x56/0x60 [ 1139.355140][ T7206] do_syscall_64+0xf3/0x1b0 [ 1139.360147][ T7206] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.366541][ T7206] [ 1139.366541][ T7206] other info that might help us debug this: [ 1139.366541][ T7206] [ 1139.376753][ T7206] Possible unsafe locking scenario: [ 1139.376753][ T7206] [ 1139.384183][ T7206] CPU0 CPU1 [ 1139.389534][ T7206] ---- ---- [ 1139.394881][ T7206] lock(fs_reclaim); [ 1139.398844][ T7206] lock(&sb->s_type->i_mutex_key#16); [ 1139.406799][ T7206] lock(fs_reclaim); [ 1139.413277][ T7206] lock(&sb->s_type->i_mutex_key#16); [ 1139.418713][ T7206] [ 1139.418713][ T7206] *** DEADLOCK *** [ 1139.418713][ T7206] [ 1139.426861][ T7206] 2 locks held by syz-executor.1/7206: [ 1139.432296][ T7206] #0: ffffffff89107970 (fs_reclaim){+.+.}, at: __fs_reclaim_acquire+0x0/0x30 [ 1139.441127][ T7206] #1: ffffffff890ffe58 (shrinker_rwsem){++++}, at: shrink_slab+0xa8/0x2b0 [ 1139.449699][ T7206] [ 1139.449699][ T7206] stack backtrace: [ 1139.455594][ T7206] CPU: 1 PID: 7206 Comm: syz-executor.1 Not tainted 5.6.0-rc7-syzkaller #0 [ 1139.464159][ T7206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.474193][ T7206] Call Trace: [ 1139.477475][ T7206] dump_stack+0x1e9/0x30e [ 1139.481788][ T7206] print_circular_bug+0xc3f/0xe70 [ 1139.486822][ T7206] ? arch_stack_walk+0x98/0xe0 [ 1139.491581][ T7206] check_noncircular+0x1fb/0x3a0 [ 1139.496506][ T7206] validate_chain+0x1507/0x7be0 [ 1139.501351][ T7206] ? mark_lock+0x107/0x1650 [ 1139.505844][ T7206] ? register_lock_class+0x98/0xec0 [ 1139.511713][ T7206] ? validate_chain+0x95/0x7be0 [ 1139.517507][ T7206] __lock_acquire+0xc5a/0x1bc0 [ 1139.522270][ T7206] lock_acquire+0x154/0x250 [ 1139.526760][ T7206] ? shmem_fallocate+0xef/0xdb0 [ 1139.531599][ T7206] down_write+0x55/0x130 [ 1139.535823][ T7206] ? shmem_fallocate+0xef/0xdb0 [ 1139.540657][ T7206] shmem_fallocate+0xef/0xdb0 [ 1139.545324][ T7206] ? ashmem_shrink_scan+0x2e1/0x4a0 [ 1139.550565][ T7206] ? ashmem_shrink_scan+0x2e1/0x4a0 [ 1139.555765][ T7206] ? __mutex_unlock_slowpath+0x12d/0x580 [ 1139.561485][ T7206] ashmem_shrink_scan+0x367/0x4a0 [ 1139.566503][ T7206] do_shrink_slab+0x36f/0x5c0 [ 1139.571183][ T7206] shrink_slab+0x188/0x2b0 [ 1139.575606][ T7206] shrink_node_memcgs+0x414/0x5e0 [ 1139.580626][ T7206] shrink_node+0xb66/0x19c0 [ 1139.585132][ T7206] shrink_zones+0x27c/0x8d0 [ 1139.589628][ T7206] do_try_to_free_pages+0x229/0xc30 [ 1139.594825][ T7206] try_to_free_pages+0x328/0xb60 [ 1139.599761][ T7206] __alloc_pages_slowpath+0xe82/0x22a0 [ 1139.605218][ T7206] __alloc_pages_nodemask+0x3c4/0x600 [ 1139.610584][ T7206] kmem_getpages+0x49/0x930 [ 1139.615074][ T7206] ? cache_grow_begin+0x54/0x2e0 [ 1139.619997][ T7206] cache_grow_begin+0x7b/0x2e0 [ 1139.624747][ T7206] fallback_alloc+0x135/0x1d0 [ 1139.629410][ T7206] ? getname_flags+0xb8/0x610 [ 1139.634072][ T7206] kmem_cache_alloc+0x163/0x2d0 [ 1139.638908][ T7206] getname_flags+0xb8/0x610 [ 1139.643399][ T7206] user_path_mountpoint_at+0x22/0x40 [ 1139.648665][ T7206] ksys_umount+0xfd/0xf10 [ 1139.652979][ T7206] ? check_preemption_disabled+0xb0/0x240 [ 1139.658675][ T7206] ? debug_smp_processor_id+0x5/0x20 [ 1139.663940][ T7206] ? trace_irq_disable_rcuidle+0x1f/0x1d0 [ 1139.669640][ T7206] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1139.675692][ T7206] __x64_sys_umount+0x56/0x60 [ 1139.680356][ T7206] do_syscall_64+0xf3/0x1b0 [ 1139.684847][ T7206] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.690717][ T7206] RIP: 0033:0x45f277 [ 1139.694595][ T7206] Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1139.714319][ T7206] RSP: 002b:00007ffeff9b1ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 1139.722725][ T7206] RAX: ffffffffffffffda RBX: 000000000011593f RCX: 000000000045f277 [ 1139.730685][ T7206] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffeff9b3030 [ 1139.738655][ T7206] RBP: 00000000000015b2 R08: 0000000000000001 R09: 0000000000fba940 [ 1139.746887][ T7206] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeff9b3030 [ 1139.754949][ T7206] R13: 00007ffeff9b3020 R14: 0000000000000000 R15: 00007ffeff9b3030 15:36:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xad4, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:12 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xaea, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1141.055765][ T7399] audit_log_start: 16213 callbacks suppressed [ 1141.055771][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1141.057041][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1141.063960][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1141.069041][ T27] audit: type=1400 audit(1585496173.101:1434428): lsm=SMACK fn=smack_socket_sock_rcv_skb action=granted subject="@" object="_" requested=w pid=21682 comm="kworker/u4:16" saddr=127.0.0.1 src=42723 daddr=127.0.0.1 dest=16385 netif=lo 15:36:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xafe, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1141.075069][ C0] audit: audit_lost=1863710 audit_rate_limit=0 audit_backlog_limit=64 [ 1141.092089][ T4188] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1141.103814][ C0] audit: backlog limit exceeded [ 1141.124129][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1141.130689][ C0] audit: audit_lost=1863711 audit_rate_limit=0 audit_backlog_limit=64 [ 1141.138874][ C0] audit: backlog limit exceeded 15:36:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb04, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:13 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x12000000, r5}) 15:36:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb12, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:13 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb15, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1143.506956][T14534] IPVS: ftp: loaded support on port[0] = 21 [ 1143.514163][T14544] Can't find a SQUASHFS superblock on nullb0 15:36:15 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb1d, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1143.641956][ T936] tipc: TX() has been purged, node left! 15:36:16 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x18000000, r5}) 15:36:16 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb20, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:16 executing program 2: openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r0, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r0, 0x0) ioctl$ASHMEM_SET_NAME(r0, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) r6 = syz_open_dev$dri(0x0, 0x4, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r7, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r6, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) ioctl$DRM_IOCTL_RES_CTX(r9, 0xc0106426, &(0x7f0000000080)={0x0, &(0x7f0000000040)}) ioctl$DRM_IOCTL_GET_CTX(r5, 0xc0086423, &(0x7f00000000c0)={0x0, 0x2}) dup2(0xffffffffffffffff, 0xffffffffffffffff) [ 1144.681976][T14627] Can't find a SQUASHFS superblock on nullb0 [ 1144.738190][T14629] Can't find a SQUASHFS superblock on nullb0 15:36:16 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x51a000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:16 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x3, 0x0, 0x41c1, 0x880, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0xffffffffffffffff, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540)}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) 15:36:16 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) sendmsg$IPVS_CMD_NEW_DEST(r5, &(0x7f0000000100)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000000c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="d30008fff507ea9a4e822bcf8f7f51a6b3831b86a3d7", @ANYRES16=0x0, @ANYBLOB="0a0828bd7000fcdbdf25050000000800040003000000900003800600040065df00000800050000000000140006008aa57a848a397b4bf53ccbce80c7d43a060004009915000014000600fe8000000000000000000000000000aa14000600fe880000000000000000000000000101050008000900000014000600ff010000000000000000000000000001080001000000000014000600ff01000000000000000000000000000108000400020000003400028005000d000000000006000f000200000008000500ffffffff06000e004e230000060002004e21000005000d00000000000800040040000000"], 0xf0}, 0x1, 0x0, 0x0, 0x4814}, 0x400) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) connect$caif(r7, &(0x7f0000000040)=@rfm={0x25, 0x1, "660e5506d99cc88559647c672c8f8940"}, 0x18) dup2(r0, r1) 15:36:16 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb27, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:16 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x20000000, r5}) [ 1144.892464][T14639] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r2 = dup(r1) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r2}) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x417) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x72, &(0x7f0000000000)={r5, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r2, 0x84, 0x1, &(0x7f00000000c0)={r5, 0x189, 0x1, 0x81, 0x0, 0x3}, &(0x7f0000000100)=0x14) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(0xffffffffffffffff, 0x84, 0x79, &(0x7f00000001c0)={r6, 0x4}, 0x8) [ 1144.956597][T14640] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f00006ff000/0x3000)=nil, 0x3000, 0x0, 0x12, r1, 0x6777b000) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$USBDEVFS_RESET(r5, 0x5514) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) pipe2(&(0x7f0000000080), 0xc800) syz_open_dev$dri(0x0, 0x0, 0x0) r6 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r6, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) dup(r7) r8 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) dup2(r0, r1) [ 1145.027255][T14651] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb29, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x719000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1145.159949][T14656] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x20b80200, r5}) 15:36:17 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) ioctl$sock_inet_SIOCSIFDSTADDR(r2, 0x8918, &(0x7f0000000040)={'veth1_virt_wifi\x00', {0x2, 0x4e22, @local}}) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) dup2(r0, r1) [ 1145.224759][T14663] Can't find a SQUASHFS superblock on nullb0 [ 1145.320894][T14667] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb2f, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1145.371766][T14671] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x722000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:17 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0xfe, 0x0, 0x41c5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x58aa}, 0x0, 0x6, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0) [ 1145.575125][T14683] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) socket$pppl2tp(0x18, 0x1, 0x1) ioctl$ASHMEM_SET_SIZE(r5, 0x40087703, 0x400000000) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r9 = dup(r8) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r9}) dup2(r0, r1) [ 1145.679273][T14689] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb30, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:17 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x770000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1145.770752][T14692] Can't find a SQUASHFS superblock on nullb0 15:36:17 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x21b80200, r5}) [ 1145.855557][T14701] Can't find a SQUASHFS superblock on nullb0 [ 1145.936960][T14705] Can't find a SQUASHFS superblock on nullb0 [ 1146.053666][T14710] Can't find a SQUASHFS superblock on nullb0 [ 1146.067298][ C0] audit_log_start: 55898 callbacks suppressed [ 1146.067304][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1146.073620][ T4185] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1146.080017][ C0] audit: audit_lost=1877566 audit_rate_limit=0 audit_backlog_limit=64 [ 1146.080021][ C0] audit: backlog limit exceeded 15:36:18 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = open(&(0x7f0000000140)='./file0\x00', 0x200880, 0x8) ioctl$VIDIOC_S_STD(r3, 0x40085618, &(0x7f0000000280)=0x2) r4 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r4, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r6 = dup(r5) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r6}) getsockopt$bt_hci(r6, 0x0, 0x2, &(0x7f0000000040)=""/167, &(0x7f0000000100)=0xa7) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_GEM_CLOSE(0xffffffffffffffff, 0x40046f41, &(0x7f0000000100)={r7, 0x7000002}) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS(0xffffffffffffffff, 0xc0406619, &(0x7f00000002c0)={{0x1, 0x0, @descriptor="000f9dae7c84d806"}}) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r9 = dup(r8) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) dup2(r0, r1) [ 1146.080242][ C0] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1146.090125][T14713] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1146.094735][ C0] audit: audit_lost=1877567 audit_rate_limit=0 audit_backlog_limit=64 [ 1146.099787][ T7399] audit: audit_backlog=65 > audit_backlog_limit=64 [ 1146.106060][ C0] audit: backlog limit exceeded [ 1146.132856][ T4185] audit: audit_lost=1877568 audit_rate_limit=0 audit_backlog_limit=64 15:36:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb31, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:18 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x80ffff}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:18 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) openat$vcsa(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa\x00', 0x600040, 0x0) r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x1b) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) write$P9_RGETLOCK(0xffffffffffffffff, &(0x7f00000000c0)={0xffffffffffffff53, 0x37, 0x1, {0x1, 0x81, 0x2, r0, 0x9, 'squashfs\x00'}}, 0xfffffffffffffdf1) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$IP_VS_SO_GET_TIMEOUT(r1, 0x0, 0x486, &(0x7f0000000980), &(0x7f00000009c0)=0xc) syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r2 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r2, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r2, 0xb701, 0x0) [ 1146.422004][T14722] Can't find a SQUASHFS superblock on nullb0 15:36:18 executing program 5: 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) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x22b80200, r5}) [ 1146.484490][T14728] Can't find a SQUASHFS superblock on nullb0 15:36:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb35, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:18 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r2, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r5}) ioctl$ASHMEM_GET_SIZE(r5, 0x7704, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = dup(r6) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) r8 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r8, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r10 = dup(r9) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r10}) ioctl$SNDRV_PCM_IOCTL_READI_FRAMES(r10, 0x80184151, &(0x7f0000000080)={0x0, &(0x7f0000000280)="efa69a925d83ca74ae66eec3faed004df96e3c735a5954f749e235fcc885f94ebe1dc8b375635ef9f54ac9c6396395e2e94725a81c9d65cc540aa6a9ab70c87a9175ba2c57973c83656c63d2b84fc45f5cecf367af4626e188b48dd34805f839b9cdadb3dad0c82ce325c9fbdbbfa61e9fa611941a7f02ba638e3bbdbefb081631a2cb8c58c6150ef26d7119b06ee71361d06d0b0d3a0d2c6e727e94961dd64471e026340a6439398dc6d3394a28c8cb52c61837511e1a81d4cd14b99f6a2c000ae304bb", 0xc4}) dup2(r0, r1) 15:36:18 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0x907100}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:18 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x1, 0xffffffffffffffff}) r3 = dup(r2) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r3}) ioctl$sock_inet_SIOCSIFDSTADDR(r3, 0x8918, &(0x7f0000000080)={'vlan0\x00', {0x2, 0x4e21, @empty}}) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r4, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r4, 0xb701, 0x0) [ 1146.777015][T14742] Can't find a SQUASHFS superblock on nullb0 15:36:18 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) ioctl$ASHMEM_SET_NAME(r1, 0x41007701, &(0x7f0000000140)='vmnet0:%\'\x00') mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x2000) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f00000000c0)=0x5) mknod$loop(&(0x7f0000000340)='./file0\x00', 0x80, 0x1) r3 = dup(r2) lsetxattr$security_smack_transmute(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)='security.SMACK64TRANSMUTE\x00', &(0x7f0000000300)='TRUE', 0x4, 0x6) getsockopt$CAN_RAW_LOOPBACK(r3, 0x65, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) 15:36:18 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb36, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1146.861606][T14743] Can't find a SQUASHFS superblock on nullb0 [ 1146.884807][T14749] Can't find a SQUASHFS superblock on nullb0 15:36:18 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$dri(0x0, 0x0, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, 0x0) dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f00000000c0)) open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r2 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r2, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r3, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000000), 0x10000}]) r4 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) ioctl$RTC_EPOCH_READ(r2, 0x8008700d, 0x0) r5 = creat(&(0x7f0000000300)='./file0\x00', 0x0) write$P9_RREMOVE(r5, &(0x7f0000000280), 0x1033b) fdatasync(r5) ioctl$EXT4_IOC_MOVE_EXT(r4, 0xc028660f, &(0x7f0000000100)={0x23b80200, r5}) 15:36:19 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0xa05100}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) [ 1146.971214][T14748] Can't find a SQUASHFS superblock on nullb0 [ 1147.215973][T14765] Can't find a SQUASHFS superblock on nullb0 15:36:20 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb3b, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) 15:36:20 executing program 1: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) timerfd_create(0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) ptrace$getenv(0x4201, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_VERIFY(0x1c, &(0x7f0000000280)={0x0, 0xdd, 0xe}, &(0x7f00000002c0)={'enc=', 'oaep', ' hash=', {'blake2s-160\x00'}}, &(0x7f0000000640)="0e2ec49e779ff434f7a8e369cb6e1bd86ef1a5853dd7b723092c17f0a015d87fce7080dac778519ebaed99b1ea175546a9398ee9868626d7e61776c89aec1423f3e12d7757f0a70cfb48e3e71970eb6482ebc2cb90e89b43e48e0d7de3cda67d5e0b7ee35b18565847fed633d0d5e5bf0264107db6ecd58df6a92b9acb9adbcf33b59a1932f82e485d2c21857db77c96ee06ad0f739037c1114dc8301cf69e6d683b2a636a7b8c970c3db77852526686624c545e62d7b3cbf8221a423774eac0da63ad0a8ced177f769ed9eef0f75cb492a044794a6e9d0f6f5f12f999", &(0x7f0000000340)="ffdaf22c33f0fd4e656d761fb51f") syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480), 0xb70000}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) preadv(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(0xffffffffffffffff, 0xb701, 0x0) 15:36:20 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=ANY=[@ANYBLOB="af6465762f6e756c6ce23000"], &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) socket$inet6_sctp(0xa, 0x10000000005, 0x84) r2 = syz_open_dev$dri(0x0, 0x0, 0x0) r3 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r5 = dup(r4) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f0000000280)=ANY=[@ANYRES32=r2, @ANYRES32=0x0], &(0x7f00000001c0)=0x2) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x72, &(0x7f0000000000)={r6, @in6={{0xa, 0x0, 0x0, @empty}}}, &(0x7f0000000140)=0x90) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={r6, 0x38, &(0x7f0000000080)=[@in6={0xa, 0x4e23, 0x66, @mcast2, 0xfffffffb}, @in6={0xa, 0x4e20, 0x5, @mcast1, 0x4}]}, &(0x7f0000000100)=0x10) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="4dab0324079138999ad8665eaaaef3d8e904829251bf539ed651ab772961c5f99e905a23fe49a307d9c25f384ea810c61cf8ff1bb33ac5d4157b51c1aa5326e23c5448fcb9fcbaaa6d", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570eff0700005c7fcc497b9dff1dcba2fb49665c759da9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r7 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r7, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r7, 0xb701, 0x0) 15:36:20 executing program 2: r0 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) r1 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_SIZE(r1, 0x40087703, 0x100000002) mmap(&(0x7f0000701000/0x1000)=nil, 0x1000, 0x0, 0x12, r1, 0x0) ioctl$ASHMEM_SET_NAME(r1, 0x40087708, &(0x7f0000000180)='\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c') socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) dup2(r0, r1) r4 = syz_open_dev$dri(0x0, 0x0, 0x0) r5 = openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) ioctl$ION_IOC_ALLOC(r5, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r7 = dup(r6) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r7}) ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(r7, 0xc1105517, &(0x7f0000000540)={{0x0, 0x0, 0x3a, 0x7, 'syz1\x00', 0x200}, 0x0, 0x100, 0x5d432687, 0xffffffffffffffff, 0x9, 0xffffffff, 'syz1\x00', &(0x7f0000000280)=['\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c', '+.(\x00', '/dev/ion\x00', '-vboxnet0nodev\x00', '\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c', '\x00\x00\x00\x01\x00\x00\x00\x05\x00x\x92\x12\xbc\x06^\xbewV\xf3\xb3\xa4e\xfb\xc5}\x9c\"\xc4\x04\xbb\x0642\x9c\x1a\xd1\xcb{\xb0\xd6\x1e\x00gQ\xca\x0eU\xf7\'\x8c\xc1\xc6\xbb\xc5\x1c\xf7\xaf\x95\x83=\t7\x96\x1a\xad\xd0\xd0\xee\x9c\x962\bu\xba\xfc\xae\xc2\x19\xeb\x91\xc9\t\xbc\xc1\xcb\xba\xe3\x8e\xf6\x89\xc2\'\xdfn(Q=v-<\r\xd1?$\x8b\x17Bn\x17h\x1b\xac\xfc\x82\x1c\xf4\xd0\xf5\xd5\x80\xc0\xb4a \x15\x9a\x9f\xf0:\xfd$\xad\xbb\x9a|b\xe2\xff\xee\xc4\x93Q\x82\x16\xbf\xe3c\x8d \x0f\xb1\xe9\xf2oci(\xcb\x82\x05\xfe[H\xaf\x01\x18\xc8\x1b\x1e\xbe\xd8>\xec\x9f~\xa7\xf7\xafdd\xf1\xdbjE\x01\xd1sD\x89\x94&\\U\f\x18\x99]\xaba\xe93\x01\xa23\xc9hP1\xdc-\'\xd0\x9e}\x89\xff\x8c', '\x00', '/dev/ion\x00', '/dev/ion\x00'], 0x2ba, [], [0x5, 0x5246, 0x3, 0x5]}) openat$ion(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ion\x00', 0x0, 0x0) r8 = dup(0xffffffffffffffff) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r4, 0xc00c642e, &(0x7f00000000c0)={0x0, 0x0, r8}) ioctl$FS_IOC_GET_ENCRYPTION_KEY_STATUS(r8, 0xc080661a, &(0x7f0000000040)={{0x3, 0x0, @reserved="195a07f0ac94984d6f413f0297b51f11058515b5272e9a8a5f3c7164eddb987b"}}) [ 1148.760671][T14778] Can't find a SQUASHFS superblock on nullb0 15:36:20 executing program 3: r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000000c0)='nv\x00', 0x3) r1 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r1, &(0x7f0000000140)={0x0, 0xb4a, &(0x7f0000000000)=[{&(0x7f0000000600)="4c000000120081ae08060c0f006b10007f03e3f700000000000000ca1b4e0906a6bd7c493872f750375ed08a56331dbf64700169381ad6e74703c48f93b8446b9bbc7a461eb886a5e54e8ff5", 0x4c}], 0x1}, 0x0) [ 1148.903880][T14786] Can't find a SQUASHFS superblock on nullb0 15:36:21 executing program 4: mknod$loop(&(0x7f0000000040)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) sched_setaffinity(0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount(&(0x7f0000000380)=@nullb='/dev/nullb0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='squashfs\x00', 0x0, 0x0) socket$inet6(0xa, 0x400000000001, 0x0) getpid() syz_mount_image$iso9660(&(0x7f00000003c0)='iso9660\x00', &(0x7f0000000400)='./bus\x00', 0x0, 0x5, &(0x7f0000000e00)=[{0x0}, {&(0x7f0000000480)}, {&(0x7f0000000500)="b2a31a0e40bca3d48b305ed2095300"/25, 0x19}, {&(0x7f0000000540), 0xffffffffffffff5e}, {&(0x7f0000000cc0)="fe11c12521a6a7c94f371821a5690eefd3fe71c3badb13f00dda60354948b2df11a525720dd3e22edfb7683f7a6c20e2460b5eba3822a8e44aabd9cf266dfc8484fb3c724e414b1e82d0f2bbefd8449d786fc5fcdf4c2867cf7b440684604d8d2e194f521126988563cc5c26cfe9866ea87bd443446aad75f000597a559cfb998576b6990e8789bc99dc96335dccd94a4a26ecd1175597d4aed2f18845712e2430125af574a899716dc3fab8220df724a43c075fce8136ae5f5f0a87df28ca69ff66dbf938ad8c622f135880", 0xcc, 0xf6ef}], 0x0, &(0x7f0000000740)=ANY=[@ANYBLOB="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", @ANYRESHEX=0x0, @ANYBLOB="25b42acae61ba3546b350db55fc87eb7d65b7baeaf4e785a3b5e90a8a18f9b776a14f6a37a9a606b4091817f07000000000000001eb83c11f79cb7570e881f260b5c7fcc497b9dff1dcba2fb49665c759db9f2c15f31591b31be0362e733de1355", @ANYRES64, @ANYRES32=0x0]) r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/mcfilter6\x00') preadv(r0, &(0x7f0000000400)=[{&(0x7f00000004c0)=""/88, 0x58}, {&(0x7f0000000540)=""/78, 0x4e}], 0x2, 0x0) ioctl$NS_GET_USERNS(r0, 0xb701, 0x0)