'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 538.863627][ T6051] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 538.875513][ T6037] tmpfs: Unknown parameter 'n' [ 538.921700][ T6033] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 539.058708][ T6051] EXT4-fs (loop5): unable to read superblock 11:49:19 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:19 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000600000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x200000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:19 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xd, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 539.298495][ T6082] tmpfs: Unknown parameter 'n' [ 539.308434][ T6084] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 539.312850][ T6088] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 539.340102][ T6084] EXT4-fs (loop5): unable to read superblock [ 539.350528][ T6082] tmpfs: Unknown parameter 'n' [ 539.374271][ T6092] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 539.385542][ T6092] EXT4-fs (loop5): unable to read superblock [ 539.392283][ T6084] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:20 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2b0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:20 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:20 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x300000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000700000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 539.729018][ T6100] tmpfs: Unknown parameter 'n' [ 539.738126][ T6101] EXT4-fs (loop5): unable to read superblock [ 539.746520][ T6110] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 539.771516][ T6118] EXT4-fs (loop5): unable to read superblock 11:49:20 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:20 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x10, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000900000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 539.782164][ T6100] tmpfs: Unknown parameter 'n' 11:49:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x400000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 539.858787][ T6128] EXT4-fs (loop5): unable to read superblock [ 539.893633][ T6130] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 539.949500][ T6134] tmpfs: Unknown parameter 'n' [ 539.981500][ T6138] EXT4-fs (loop5): unable to read superblock [ 540.071890][ T6128] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x11, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 540.172144][ T6134] tmpfs: Unknown parameter 'n' 11:49:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2b5, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:21 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000a00000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:21 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x500000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:21 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x12, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:21 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 540.684519][ T6170] EXT4-fs (loop5): unable to read superblock [ 540.705284][ T6173] tmpfs: Unknown parameter 'n' [ 540.705954][ T6172] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:21 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x14, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:21 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:21 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x600000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 540.732091][ T6173] tmpfs: Unknown parameter 'n' [ 540.750556][ T6187] EXT4-fs (loop5): unable to read superblock [ 540.758374][ T6170] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:21 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000c00000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:21 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 541.176504][ T6215] tmpfs: Unknown parameter 'n' [ 541.189767][ T6217] EXT4-fs (loop5): unable to read superblock [ 541.211839][ T6214] tmpfs: Unknown parameter 'n' [ 541.211844][ T6218] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:22 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x300, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:22 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x22, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:22 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:22 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000008100000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:22 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x700000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:22 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:22 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000002dd00000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:22 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 541.656072][ T6236] EXT4-fs (loop5): unable to read superblock [ 541.669496][ T6238] tmpfs: Unknown parameter 'n' [ 541.675611][ T6241] EXT4-fs (loop5): unable to read superblock [ 541.713673][ T6238] tmpfs: Unknown parameter 'n' 11:49:22 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x800000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:22 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 541.906796][ T6255] EXT4-fs (loop5): unable to read superblock 03:33:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x25, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 542.087455][ T6259] print_req_error: 10 callbacks suppressed [ 542.087470][ T6259] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 542.089961][ T6265] tmpfs: Unknown parameter 'n' [ 542.105689][ T6259] EXT4-fs (loop5): unable to read superblock [ 542.132270][ T6265] tmpfs: Unknown parameter 'n' 11:49:22 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x900000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 542.206818][ T6282] tmpfs: Unknown parameter 'n' [ 542.232006][ T6282] tmpfs: Unknown parameter 'n' 11:49:23 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x500, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe8, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:23 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000004003000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:23 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:23 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:23 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xa00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:23 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 542.589288][ T6295] tmpfs: Unknown parameter 'n' [ 542.595558][ T6293] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe9, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 542.632074][ T6295] tmpfs: Unknown parameter 'n' [ 542.644789][ T6293] EXT4-fs (loop5): unable to read superblock 11:49:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x150, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 542.772297][ T6307] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:23 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:23 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000340000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:23 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 542.992770][ T6307] EXT4-fs (loop5): unable to read superblock [ 543.082902][ T6339] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 543.098241][ T6339] EXT4-fs (loop5): unable to read superblock [ 543.105176][ T6345] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 543.129040][ T6345] EXT4-fs (loop5): unable to read superblock 11:49:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x600, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:24 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xb00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:24 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1e4, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:24 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:24 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000010104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:24 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:24 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:24 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x21b, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 543.522959][ T6361] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 543.541975][ T6361] EXT4-fs (loop5): unable to read superblock [ 543.548364][ T6366] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 543.560778][ T6366] EXT4-fs (loop5): unable to read superblock 11:49:24 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000020104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 543.584140][ T6369] tmpfs: Unknown parameter 'n' 11:49:24 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 543.621862][ T6360] tmpfs: Unknown parameter 'n' [ 543.631447][ T6386] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:24 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 543.883319][ T6391] __nla_validate_parse: 7 callbacks suppressed [ 543.883333][ T6391] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:24 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x300, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 544.000132][ T6386] EXT4-fs (loop5): unable to read superblock [ 544.022095][ T6401] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 544.056733][ T6401] EXT4-fs (loop5): unable to read superblock [ 544.072518][ T6386] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:25 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x700, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:25 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xc00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:25 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:25 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x316, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:25 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000030104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 544.485211][ T6433] tmpfs: Unknown parameter 'n' 11:49:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x317, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:25 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:25 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xd00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 544.512367][ T6433] tmpfs: Unknown parameter 'n' [ 544.517799][ T6434] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 544.522376][ T6444] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 544.543288][ T6434] EXT4-fs (loop5): unable to read superblock 11:49:25 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 544.630027][ T6461] tmpfs: Unknown parameter 'n' [ 544.649594][ T6452] EXT4-fs (loop5): unable to read superblock 11:49:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x318, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:25 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000040104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 544.952678][ T6461] tmpfs: Unknown parameter 'n' [ 545.013650][ T6482] EXT4-fs (loop5): unable to read superblock [ 545.023838][ T6487] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 545.055355][ T6494] EXT4-fs (loop5): unable to read superblock [ 545.065481][ T6482] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:26 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x900, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:26 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:26 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xe00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:26 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3dc, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:26 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000050104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:26 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:26 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000060104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:26 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 545.457258][ T6508] EXT4-fs (loop5): unable to read superblock [ 545.468211][ T6513] tmpfs: Unknown parameter 'n' [ 545.491920][ T6513] tmpfs: Unknown parameter 'n' 11:49:26 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x500, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 545.505953][ T6523] EXT4-fs (loop5): unable to read superblock 11:49:26 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xf00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 545.530788][ T6525] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:26 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 545.791328][ T6541] tmpfs: Unknown parameter 'n' [ 545.834551][ T6537] EXT4-fs (loop5): unable to read superblock 11:49:26 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 545.918118][ T6523] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 545.952219][ T6538] tmpfs: Unknown parameter 'n' 11:49:27 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xa00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:27 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x600, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:27 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000070104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:27 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x1000000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, 0x0) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 546.407946][ T6575] tmpfs: Unknown parameter 'n' [ 546.415328][ T6581] EXT4-fs (loop5): unable to read superblock [ 546.425164][ T6583] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 546.441765][ T6575] tmpfs: Unknown parameter 'n' 11:49:27 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 546.460553][ T6588] EXT4-fs (loop5): unable to read superblock [ 546.498352][ T6581] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:27 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x1100000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:27 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x700, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:27 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000090104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, 0x0) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 546.827285][ T6604] tmpfs: Unknown parameter 'n' 11:49:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, 0x0) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 546.881540][ T6604] tmpfs: Unknown parameter 'n' [ 546.899199][ T6621] EXT4-fs (loop5): unable to read superblock [ 546.906301][ T6622] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 546.940228][ T6625] EXT4-fs (loop5): unable to read superblock 11:49:28 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xb00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x900, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:28 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x1200000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:28 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000a0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:28 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 547.326973][ T6645] tmpfs: Unknown parameter 'n' [ 547.339264][ T6649] print_req_error: 10 callbacks suppressed [ 547.339347][ T6649] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xa00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:28 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 547.381364][ T6649] EXT4-fs (loop5): unable to read superblock [ 547.387956][ T6645] tmpfs: Unknown parameter 'n' [ 547.398700][ T6660] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:28 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000c0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 547.433016][ T6660] EXT4-fs (loop5): unable to read superblock 11:49:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xb00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2000000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:28 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 547.826271][ T6687] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 547.845880][ T6685] tmpfs: Unknown parameter 'n' [ 547.869371][ T6687] EXT4-fs (loop5): unable to read superblock [ 547.885148][ T6685] tmpfs: Unknown parameter 'n' [ 547.890294][ T6697] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 547.915774][ T6697] EXT4-fs (loop5): unable to read superblock 11:49:28 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xc00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:28 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xc00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2010000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:28 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000810104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:28 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 548.279792][ T6718] tmpfs: Unknown parameter 'n' [ 548.303001][ T6718] tmpfs: Unknown parameter 'n' [ 548.320175][ T6725] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 548.403494][ T6725] EXT4-fs (loop5): unable to read superblock 11:49:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xd00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2200000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:29 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:29 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:29 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000ffffff810104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 548.672837][ T6732] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 548.711407][ T6732] EXT4-fs (loop5): unable to read superblock 11:49:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 548.741853][ T6751] tmpfs: Unknown parameter 'n' [ 548.771913][ T6751] tmpfs: Unknown parameter 'n' [ 548.794445][ T6760] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 548.838692][ T6760] EXT4-fs (loop5): unable to read superblock [ 548.853142][ T6771] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 548.866132][ T6771] EXT4-fs (loop5): unable to read superblock 11:49:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xd00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:29 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2500000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1020, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:29 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000ffffff9e0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:29 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 549.180505][ T6784] tmpfs: Unknown parameter 'n' [ 549.201704][ T6784] tmpfs: Unknown parameter 'n' 11:49:29 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 549.222235][ T6789] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 549.245912][ T6797] __nla_validate_parse: 5 callbacks suppressed [ 549.245924][ T6797] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 549.292591][ T6789] EXT4-fs (loop5): unable to read superblock [ 549.307076][ T6802] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1100, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 549.385281][ T6789] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:30 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x4800000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:30 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 549.492094][ T6802] EXT4-fs (loop5): unable to read superblock 11:49:30 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000002dd0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:30 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 549.612693][ T6816] tmpfs: Unknown parameter 'n' [ 549.654569][ T6826] EXT4-fs (loop5): unable to read superblock [ 549.669027][ T6827] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 549.679344][ T6816] tmpfs: Unknown parameter 'n' [ 549.704465][ T6834] EXT4-fs (loop5): unable to read superblock [ 549.742923][ T6826] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:30 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1200, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:30 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xe00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:30 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x4c00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:30 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000ffffffea0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:30 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:30 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 550.126327][ T6849] EXT4-fs (loop5): unable to read superblock [ 550.135387][ T6851] tmpfs: Unknown parameter 'n' [ 550.144308][ T6855] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1400, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 550.170855][ T6858] EXT4-fs (loop5): unable to read superblock [ 550.177886][ T6851] tmpfs: Unknown parameter 'n' [ 550.183717][ T6849] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:31 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x6000000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:31 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1603, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:31 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000ffffffef0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 550.586014][ T6885] tmpfs: Unknown parameter 'n' [ 550.611988][ T6885] tmpfs: Unknown parameter 'n' [ 550.624407][ T6893] EXT4-fs (loop5): unable to read superblock [ 550.641808][ T6894] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 550.667181][ T6901] EXT4-fs (loop5): unable to read superblock [ 550.673787][ T6893] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1020, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1703, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:31 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x6800000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:31 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000fffffff00104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1803, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 551.079800][ T6917] tmpfs: Unknown parameter 'n' [ 551.087338][ T6912] EXT4-fs (loop5): unable to read superblock [ 551.104115][ T6919] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 551.114461][ T6917] tmpfs: Unknown parameter 'n' 11:49:31 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:31 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x6c00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1b02, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 551.145201][ T6931] EXT4-fs (loop5): unable to read superblock [ 551.213794][ T6912] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 551.504758][ T6953] tmpfs: Unknown parameter 'n' 11:49:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000fffffffe0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 551.561835][ T6960] EXT4-fs (loop5): unable to read superblock [ 551.582168][ T6950] tmpfs: Unknown parameter 'n' 11:49:32 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1100, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:32 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x0, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000081ffffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:32 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:32 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:32 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x6f00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000009effffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 552.046827][ T6972] tmpfs: Unknown parameter 'n' [ 552.058905][ T6976] EXT4-fs (loop5): unable to read superblock 11:49:32 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:32 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x0, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:32 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2010, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 03:33:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000eaffffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 552.092070][ T6972] tmpfs: Unknown parameter 'n' [ 552.105851][ T6989] EXT4-fs (loop5): unable to read superblock 11:49:32 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x7400000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 552.500067][ T7012] tmpfs: Unknown parameter 'n' [ 552.511144][ T7013] print_req_error: 11 callbacks suppressed [ 552.511156][ T7013] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 552.532778][ T7013] EXT4-fs (loop5): unable to read superblock [ 552.540689][ T7019] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 552.553101][ T7011] tmpfs: Unknown parameter 'n' [ 552.558693][ T7019] EXT4-fs (loop5): unable to read superblock 11:49:33 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1200, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:33 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x0, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:33 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:33 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2200, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:33 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x7a00000000000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:33 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000efffffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:33 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2500, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 552.953390][ T7032] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 552.962969][ T7034] tmpfs: Unknown parameter 'n' [ 553.074702][ T7032] EXT4-fs (loop5): unable to read superblock [ 553.082154][ T7036] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 553.124721][ T7034] tmpfs: Unknown parameter 'n' [ 553.222363][ T7036] EXT4-fs (loop5): unable to read superblock 11:49:34 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x8cffffff00000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:34 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000f0ffffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:34 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:34 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3f00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 553.380308][ T7068] tmpfs: Unknown parameter 'n' [ 553.382919][ T7071] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 553.418028][ T7071] EXT4-fs (loop5): unable to read superblock [ 553.433615][ T7068] tmpfs: Unknown parameter 'n' [ 553.442453][ T7074] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 553.479520][ T7074] EXT4-fs (loop5): unable to read superblock 11:49:34 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1300, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:34 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:34 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:34 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xf6ffffff00000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:34 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000feffffff0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 553.846560][ T7094] tmpfs: Unknown parameter 'n' 11:49:34 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x5001, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, 0x0) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:34 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xfeffffff00000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 553.868248][ T7091] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 553.880581][ T7094] tmpfs: Unknown parameter 'n' [ 553.896039][ T7091] EXT4-fs (loop5): unable to read superblock [ 553.927643][ T7108] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:34 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000200000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 554.031013][ T7108] EXT4-fs (loop5): unable to read superblock [ 554.190864][ T7129] tmpfs: Unknown parameter 'n' 11:49:34 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 554.303731][ T7131] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 554.331524][ T7125] tmpfs: Unknown parameter 'n' [ 554.337988][ T7131] EXT4-fs (loop5): unable to read superblock [ 554.354985][ T7132] __nla_validate_parse: 8 callbacks suppressed [ 554.354999][ T7132] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 554.382903][ T7132] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 554.402908][ T7132] EXT4-fs (loop5): unable to read superblock [ 554.409716][ T7132] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xdc03, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:35 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1400, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:35 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0xffffffff00000000, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:35 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:35 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000300000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 03:33:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe401, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:35 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 554.814228][ T7165] EXT4-fs (loop5): unable to read superblock [ 554.822076][ T7161] tmpfs: Unknown parameter 'n' [ 554.831045][ T7166] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 554.846534][ T7176] EXT4-fs (loop5): unable to read superblock [ 554.853265][ T7165] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 554.871774][ T7161] tmpfs: Unknown parameter 'n' 11:49:35 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000400000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe800, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:35 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe900, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:36 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 555.264539][ T7194] EXT4-fs (loop5): unable to read superblock [ 555.289837][ T7197] EXT4-fs (loop5): unable to read superblock [ 555.310885][ T7201] tmpfs: Unknown parameter 'n' [ 555.332139][ T7201] tmpfs: Unknown parameter 'n' 11:49:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:36 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000500000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:36 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x3, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:36 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xedc0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x0, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 555.741976][ T7231] EXT4-fs (loop5): unable to read superblock [ 555.762743][ T7228] tmpfs: Unknown parameter 'n' [ 555.776806][ T7233] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 555.801758][ T7228] tmpfs: Unknown parameter 'n' [ 555.802063][ T7243] EXT4-fs (loop5): unable to read superblock [ 555.830787][ T7231] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:36 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xff03, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 556.220559][ T7268] tmpfs: Unknown parameter 'n' [ 556.261548][ T7263] tmpfs: Unknown parameter 'n' 11:49:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2010, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:37 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000600000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:37 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffe, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:37 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x5, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:37 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:37 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 556.695675][ T7290] tmpfs: Unknown parameter 'n' [ 556.710951][ T7291] EXT4-fs (loop5): unable to read superblock [ 556.722746][ T7290] tmpfs: Unknown parameter 'n' [ 556.729793][ T7291] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:37 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, 0x0, &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:37 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1ffe7, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 557.060686][ T7291] EXT4-fs (loop5): unable to read superblock 11:49:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:37 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 557.131621][ T7308] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 557.159617][ T7326] tmpfs: Unknown parameter 'n' [ 557.205736][ T7326] tmpfs: Unknown parameter 'n' 11:49:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2200, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:38 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000700000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:38 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x20000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:38 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:38 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:38 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 557.632999][ T7351] tmpfs: Unknown parameter 'n' [ 557.655367][ T7358] print_req_error: 8 callbacks suppressed [ 557.655380][ T7358] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 557.673156][ T7362] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 557.684746][ T7358] EXT4-fs (loop5): unable to read superblock [ 557.684753][ T7351] tmpfs: Unknown parameter 'n' 11:49:38 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), 0x0, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:38 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:38 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000900000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:38 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x40000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 557.695896][ T7364] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 557.707836][ T7364] EXT4-fs (loop5): unable to read superblock 11:49:38 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x8, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 557.975718][ T7378] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 558.028031][ T7380] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:38 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 558.073517][ T7390] tmpfs: Unknown parameter 'n' [ 558.081533][ T7378] EXT4-fs (loop5): unable to read superblock [ 558.091557][ T7390] tmpfs: Unknown parameter 'n' 11:49:39 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x80000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:39 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000a00000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:39 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x9, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:39 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2500, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:39 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:39 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:39 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480), 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:39 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x100000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 558.586858][ T7418] tmpfs: Unknown parameter 'n' [ 558.602859][ T7420] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 558.631536][ T7418] tmpfs: Unknown parameter 'n' 11:49:39 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xa, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 558.644172][ T7420] EXT4-fs (loop5): unable to read superblock 11:49:39 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:39 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 558.990725][ T7433] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:39 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:39 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000c00000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:39 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 559.049495][ T7453] tmpfs: Unknown parameter 'n' [ 559.059580][ T7433] EXT4-fs (loop5): unable to read superblock [ 559.083726][ T7452] tmpfs: Unknown parameter 'n' 11:49:39 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xb, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 559.130025][ T7461] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 559.167860][ T7476] tmpfs: Unknown parameter 'n' [ 559.175509][ T7461] EXT4-fs (loop5): unable to read superblock [ 559.189106][ T7474] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 559.211597][ T7476] tmpfs: Unknown parameter 'n' [ 559.224252][ T7474] EXT4-fs (loop5): unable to read superblock 11:49:40 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:40 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x3f00, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:40 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:40 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000dd02000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:40 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xc, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:40 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 559.511143][ T7487] tmpfs: Unknown parameter 'n' [ 559.522220][ T7488] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 559.540142][ T7487] tmpfs: Unknown parameter 'n' [ 559.546122][ T7493] __nla_validate_parse: 2 callbacks suppressed 11:49:40 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xd, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:40 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 559.546134][ T7493] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 559.562609][ T7488] EXT4-fs (loop5): unable to read superblock [ 559.776676][ T7510] tmpfs: Unknown parameter 'n' 11:49:40 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x0) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:40 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000003000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:40 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1b0ffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:40 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:40 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xe, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 559.971626][ T7510] tmpfs: Unknown parameter 'n' [ 559.986674][ T7518] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 560.010439][ T7525] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 560.045317][ T7518] EXT4-fs (loop5): unable to read superblock [ 560.063254][ T7531] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 560.080769][ T7535] tmpfs: Unknown parameter 'n' [ 560.093545][ T7531] EXT4-fs (loop5): unable to read superblock [ 560.101629][ T7535] tmpfs: Unknown parameter 'n' 11:49:41 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:41 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:41 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:41 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:41 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000005000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:41 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:41 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000006000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 560.430582][ T7541] EXT4-fs (loop5): unable to read superblock 11:49:41 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2acffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:41 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 560.481890][ T7548] tmpfs: Unknown parameter 'n' [ 560.507184][ T7557] EXT4-fs (loop5): unable to read superblock [ 560.516554][ T7548] tmpfs: Unknown parameter 'n' 11:49:41 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000007000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:41 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x10, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:41 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 560.894484][ T7579] EXT4-fs (loop5): unable to read superblock [ 560.914816][ T7582] tmpfs: Unknown parameter 'n' [ 560.926066][ T7579] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 560.957813][ T7581] EXT4-fs (loop5): unable to read superblock [ 560.966235][ T7579] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 560.976907][ T7582] tmpfs: Unknown parameter 'n' 11:49:42 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2b0ffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:42 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:42 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4a01, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:42 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:42 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000009000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:42 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x11, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:42 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000a000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:42 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 561.380465][ T7599] EXT4-fs (loop5): unable to read superblock [ 561.412057][ T7604] tmpfs: Unknown parameter 'n' 11:49:42 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 561.544380][ T7604] tmpfs: Unknown parameter 'n' 11:49:42 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x12, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 561.671448][ T7615] EXT4-fs (loop5): unable to read superblock 11:49:42 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 561.763462][ T7626] 9pnet: Insufficient options for proto=fd [ 561.782446][ T7622] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 561.801185][ T7627] EXT4-fs (loop5): unable to read superblock 11:49:42 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3b0ffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:42 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000c000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:42 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x0, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 561.829948][ T7615] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 561.856616][ T7638] tmpfs: Unknown parameter 'n' [ 561.912487][ T7638] tmpfs: Unknown parameter 'n' [ 561.922690][ T7651] EXT4-fs (loop5): unable to read superblock [ 561.935333][ T7652] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 561.960917][ T7658] EXT4-fs (loop5): unable to read superblock [ 561.976991][ T7651] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:42 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4f01, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:42 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:42 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x22, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:42 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:42 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x0, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:42 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000081000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:43 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:43 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x25, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 562.333495][ T7676] EXT4-fs (loop5): unable to read superblock [ 562.353991][ T7685] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 562.410230][ T7692] EXT4-fs (loop5): unable to read superblock [ 562.464983][ T7676] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:43 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:43 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4b0ffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:43 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000002dd000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:43 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x48, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 562.790950][ T7716] tmpfs: Unknown parameter 'n' [ 562.804590][ T7720] print_req_error: 11 callbacks suppressed [ 562.804603][ T7720] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 562.834694][ T7720] EXT4-fs (loop5): unable to read superblock [ 562.847725][ T7716] tmpfs: Unknown parameter 'n' [ 562.859937][ T7723] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 562.871545][ T7723] EXT4-fs (loop5): unable to read superblock 11:49:43 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x5001, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:43 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x0, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:43 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x5000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:43 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, 0x0) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:43 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:43 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4c, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 563.220962][ T7733] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 563.253116][ T7733] EXT4-fs (loop5): unable to read superblock [ 563.259424][ T7742] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:44 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000e04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:44 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:44 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x6000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:44 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 563.279904][ T7742] EXT4-fs (loop5): unable to read superblock [ 563.283675][ T7740] tmpfs: Unknown parameter 'n' [ 563.318860][ T7740] tmpfs: Unknown parameter 'n' 03:33:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x60, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 563.452103][ T7766] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:44 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 563.704344][ T7766] EXT4-fs (loop5): unable to read superblock [ 563.730701][ T7771] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 563.755651][ T7771] EXT4-fs (loop5): unable to read superblock 11:49:44 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x5101, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:44 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x7000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:44 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:44 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x68, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:44 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000002b904030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:44 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 564.214025][ T7801] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 564.245982][ T7801] EXT4-fs (loop5): unable to read superblock 11:49:44 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x8000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:45 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:45 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6c, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 564.273893][ T7812] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 564.534766][ T7812] EXT4-fs (loop5): unable to read superblock 11:49:45 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x9000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:45 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000002000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:45 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 564.734055][ T7856] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 564.745907][ T7857] __nla_validate_parse: 4 callbacks suppressed [ 564.745919][ T7857] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 564.769315][ T7856] EXT4-fs (loop5): unable to read superblock 11:49:45 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x5201, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:45 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x0, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:45 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xa000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:45 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6f, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:45 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000003000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:45 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:45 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 565.180926][ T7876] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 565.207193][ T7878] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 565.242101][ T7876] EXT4-fs (loop5): unable to read superblock 11:49:45 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x74, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:46 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r3 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:46 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xb000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:46 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7a, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:46 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000004000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 565.561248][ T7891] EXT4-fs (loop5): unable to read superblock [ 565.668022][ T7920] EXT4-fs (loop5): unable to read superblock [ 565.671127][ T7923] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 565.717793][ T7927] EXT4-fs (loop5): unable to read superblock 11:49:46 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x5301, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:46 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x0, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:46 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xc000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:46 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x300, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:46 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r3 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:46 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000005000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 566.110798][ T7938] tmpfs: Unknown parameter 'n' [ 566.122593][ T7941] EXT4-fs (loop5): unable to read superblock [ 566.132600][ T7942] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 566.154174][ T7947] EXT4-fs (loop5): unable to read superblock [ 566.161730][ T7938] tmpfs: Unknown parameter 'n' 11:49:46 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xd000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:46 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x0, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 566.182071][ T7941] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:47 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x500, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:47 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000006000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:47 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r3 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:47 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x0, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 566.593887][ T7982] EXT4-fs (loop5): unable to read superblock [ 566.604351][ T7990] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 566.614869][ T7991] EXT4-fs (loop5): unable to read superblock [ 566.624670][ T7982] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 566.657106][ T7995] tmpfs: Unknown parameter 'n' [ 566.700996][ T7995] tmpfs: Unknown parameter 'n' 11:49:47 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xac02, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:47 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000007000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:47 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:47 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x0, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:47 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:47 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x600, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:47 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x0, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:47 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x10000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 567.082843][ T8017] tmpfs: Unknown parameter 'n' [ 567.101070][ T8017] tmpfs: Unknown parameter 'n' [ 567.106634][ T8018] EXT4-fs (loop5): unable to read superblock [ 567.115657][ T8025] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:47 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x700, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 567.146736][ T8032] EXT4-fs (loop5): unable to read superblock [ 567.173413][ T8018] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 567.246386][ T8039] tmpfs: Unknown parameter 'n' 11:49:48 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000009000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:48 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x11000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:48 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 567.518738][ T8039] tmpfs: Unknown parameter 'n' [ 567.567197][ T8058] EXT4-fs (loop5): unable to read superblock [ 567.575451][ T8062] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 567.602496][ T8072] EXT4-fs (loop5): unable to read superblock 11:49:48 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xad02, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:48 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x0, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:48 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x900, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:48 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x12000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:48 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000a000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:48 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x0, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:48 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x14000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 568.048011][ T8091] tmpfs: Unknown parameter 'n' [ 568.053412][ T8088] print_req_error: 11 callbacks suppressed [ 568.053425][ T8088] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:48 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x0, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 568.091632][ T8091] tmpfs: Unknown parameter 'n' [ 568.125794][ T8088] EXT4-fs (loop5): unable to read superblock 03:33:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xa00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 568.405209][ T8131] tmpfs: Unknown parameter 'n' 11:49:49 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1468ffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:49 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x0, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 568.480342][ T8105] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 568.521229][ T8129] tmpfs: Unknown parameter 'n' 11:49:49 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 568.545711][ T8105] EXT4-fs (loop5): unable to read superblock 11:49:49 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xae02, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:49 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xb00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:49 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000c000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:49 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x16030000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:49 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:49 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:49 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x17030000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 568.990091][ T8160] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 569.011317][ T8165] tmpfs: Unknown parameter 'n' [ 569.030220][ T8160] EXT4-fs (loop5): unable to read superblock 11:49:49 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 569.042708][ T8170] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 569.054152][ T8165] tmpfs: Unknown parameter 'n' [ 569.060784][ T8170] EXT4-fs (loop5): unable to read superblock 11:49:49 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000dd020104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:50 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, 0x0, &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:50 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xc00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:50 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x18030000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 569.449957][ T8190] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 569.491161][ T8198] tmpfs: Unknown parameter 'n' [ 569.498779][ T8190] EXT4-fs (loop5): unable to read superblock [ 569.523250][ T8196] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 569.536357][ T8198] tmpfs: Unknown parameter 'n' [ 569.556309][ T8196] EXT4-fs (loop5): unable to read superblock 11:49:50 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xaf02, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:50 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:50 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1937fabe, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:50 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:50 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000030104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:50 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xd00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:50 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1b020000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:50 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 569.915077][ T8223] tmpfs: Unknown parameter 'n' [ 569.927726][ T8227] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 569.961246][ T8223] tmpfs: Unknown parameter 'n' [ 569.963992][ T8229] __nla_validate_parse: 5 callbacks suppressed [ 569.964005][ T8229] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 570.015985][ T8227] EXT4-fs (loop5): unable to read superblock 11:49:50 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xe00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 570.126204][ T8244] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:50 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x20000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:51 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:51 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000050104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 570.350612][ T8256] tmpfs: Unknown parameter 'n' [ 570.356133][ T8244] EXT4-fs (loop5): unable to read superblock [ 570.371296][ T8256] tmpfs: Unknown parameter 'n' [ 570.446854][ T8270] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 570.454803][ T8273] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 570.481219][ T8270] EXT4-fs (loop5): unable to read superblock [ 570.487758][ T8277] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 570.499281][ T8277] EXT4-fs (loop5): unable to read superblock [ 570.508101][ T8270] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:51 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xb002, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:51 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:51 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x20100000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:51 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), 0x0) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:51 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:51 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000060104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:51 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x22000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 570.842480][ T8292] EXT4-fs (loop5): unable to read superblock [ 570.849201][ T8293] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 570.853999][ T8289] tmpfs: Unknown parameter 'n' [ 570.863401][ T8294] EXT4-fs (loop5): unable to read superblock [ 570.872413][ T8292] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:51 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 570.994495][ T8289] tmpfs: Unknown parameter 'n' 11:49:51 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:51 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1020, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:51 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000070104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:52 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 571.294967][ T8324] EXT4-fs (loop5): unable to read superblock [ 571.301442][ T8327] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 571.322977][ T8331] EXT4-fs (loop5): unable to read superblock [ 571.340445][ T8324] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:52 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xb502, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:52 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x25000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:52 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:52 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1100, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:52 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000090104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:52 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:52 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 571.751267][ T8350] EXT4-fs (loop5): unable to read superblock [ 571.766468][ T8356] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 571.780942][ T8361] EXT4-fs (loop5): unable to read superblock [ 571.787891][ T8350] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:52 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1200, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:52 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000a0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:52 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:52 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3f000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:52 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 572.222544][ T8391] EXT4-fs (loop5): unable to read superblock [ 572.234111][ T8395] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 572.273023][ T8399] EXT4-fs (loop5): unable to read superblock 11:49:53 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xedc0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:53 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:53 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:53 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x40000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:53 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000c0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:53 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 03:33:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000810104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:53 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2010, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 572.687788][ T8425] EXT4-fs (loop5): unable to read superblock 11:49:53 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x50010000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:53 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 572.830573][ T8443] EXT4-fs (loop5): unable to read superblock 11:49:53 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 573.078847][ T8452] print_req_error: 10 callbacks suppressed [ 573.078868][ T8452] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:53 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000002dd0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 573.148018][ T8452] EXT4-fs (loop5): unable to read superblock [ 573.182932][ T8472] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 573.211266][ T8472] EXT4-fs (loop5): unable to read superblock [ 573.224669][ T8475] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 573.245998][ T8475] EXT4-fs (loop5): unable to read superblock 11:49:54 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xfeff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:54 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2200, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:54 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r2 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb) r3 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:54 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x6166c77b, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:54 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:54 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000050004030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:54 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x7bc76661, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:54 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2500, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:54 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r2 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb) r3 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 573.650615][ T8490] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:49:54 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x8cffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 573.709754][ T8490] EXT4-fs (loop5): unable to read superblock [ 573.736183][ T8503] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 573.751681][ T8503] EXT4-fs (loop5): unable to read superblock 11:49:54 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000020104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:54 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 574.142344][ T8534] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 574.160262][ T8534] EXT4-fs (loop5): unable to read superblock [ 574.166689][ T8538] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 574.178909][ T8538] EXT4-fs (loop5): unable to read superblock 11:49:55 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xff03, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:55 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r2 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, r2) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0xb) r3 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r3, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:55 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4800, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:55 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:55 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x97ffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:55 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000030104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:55 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xbefa3719, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 574.611709][ T8549] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 574.626351][ T8549] EXT4-fs (loop5): unable to read superblock [ 574.632858][ T8559] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 574.826978][ T8555] tmpfs: Unknown parameter 'n' 11:49:55 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 574.883129][ T8555] tmpfs: Unknown parameter 'n' 11:49:55 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 574.944851][ T8559] EXT4-fs (loop5): unable to read superblock 11:49:55 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4c00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:55 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000040104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:55 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xc0ed0000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 575.064406][ T8579] tmpfs: Unknown parameter 'n' [ 575.082641][ T8586] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 575.100475][ T8591] __nla_validate_parse: 6 callbacks suppressed [ 575.100556][ T8591] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 575.117414][ T8579] tmpfs: Unknown parameter 'n' [ 575.153880][ T8586] EXT4-fs (loop5): unable to read superblock [ 575.176614][ T8599] EXT4-fs (loop5): unable to read superblock 11:49:56 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xfffe, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:56 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:56 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xdaffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:56 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:56 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:56 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000050104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:56 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:56 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xdc030000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:56 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6800, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 575.540647][ T8615] EXT4-fs (loop5): unable to read superblock [ 575.553526][ T8616] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 575.567669][ T8624] EXT4-fs (loop5): unable to read superblock [ 575.598397][ T8615] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:56 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:56 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000060104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:56 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 576.015778][ T8656] EXT4-fs (loop5): unable to read superblock [ 576.019051][ T8657] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 576.059155][ T8661] EXT4-fs (loop5): unable to read superblock 11:49:57 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1ffe7, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:57 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:57 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe4010000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:57 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:57 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6c00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:57 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000070104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:57 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe7ff0100, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 576.426603][ T8673] EXT4-fs (loop5): unable to read superblock [ 576.447278][ T8678] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:57 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6f00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:57 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe8000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 576.481595][ T8687] EXT4-fs (loop5): unable to read superblock [ 576.501444][ T8673] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:49:57 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:57 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:57 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7400, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:58 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x80000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:58 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000090104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:58 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe9000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:58 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:58 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:58 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7a00, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:58 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xf6ffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:58 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xedc0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:58 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, 0x0, 0x0, 0x7fffffff) [ 577.388769][ T8734] EXT4-fs (loop5): unable to read superblock [ 577.402156][ T8741] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 577.450939][ T8748] EXT4-fs (loop5): unable to read superblock 11:49:58 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:58 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfdffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:58 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, 0x0, 0x0, 0x7fffffff) 11:49:58 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x100000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:59 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:59 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000a0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:59 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, 0x0, 0x0, 0x7fffffff) 11:49:59 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeff0000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:59 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 578.314091][ T8795] print_req_error: 9 callbacks suppressed [ 578.314105][ T8795] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 578.353885][ T8800] tmpfs: Unknown parameter 'n' 11:49:59 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:59 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300), 0x0, 0x7fffffff) [ 578.362980][ T8798] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 578.392012][ T8795] EXT4-fs (loop5): unable to read superblock 11:49:59 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 578.410808][ T8812] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 578.428530][ T8800] tmpfs: Unknown parameter 'n' [ 578.472009][ T8812] EXT4-fs (loop5): unable to read superblock 11:49:59 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:59 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xff030000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:59 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300), 0x0, 0x7fffffff) [ 578.824567][ T8842] tmpfs: Unknown parameter 'n' [ 578.841738][ T8842] tmpfs: Unknown parameter 'n' 11:49:59 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xfeffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:49:59 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000c0104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:49:59 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:49:59 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x3000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:49:59 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffff0000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:49:59 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300), 0x0, 0x7fffffff) 11:50:00 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:00 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffff6814, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 579.320541][ T8864] tmpfs: Unknown parameter 'n' [ 579.328478][ T8868] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 579.351868][ T8872] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 579.361877][ T8864] tmpfs: Unknown parameter 'n' [ 579.388559][ T8868] EXT4-fs (loop5): unable to read superblock 11:50:00 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:00 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) 11:50:00 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:00 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffac02, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 579.755430][ T8895] tmpfs: Unknown parameter 'n' [ 579.790622][ T8895] tmpfs: Unknown parameter 'n' 11:50:00 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:00 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:00 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x5000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:00 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:00 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) 11:50:00 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffb001, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 580.264074][ T8923] tmpfs: Unknown parameter 'n' [ 580.267793][ T8922] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 580.292616][ T8927] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:01 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000e04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:01 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffb002, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 580.309188][ T8922] EXT4-fs (loop5): unable to read superblock [ 580.321538][ T8923] tmpfs: Unknown parameter 'n' 11:50:01 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) [ 580.505378][ T8948] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 580.608478][ T8949] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:01 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:01 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:01 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffb003, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 580.692548][ T8948] EXT4-fs (loop5): unable to read superblock [ 580.721630][ T8950] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 580.745858][ T8960] tmpfs: Unknown parameter 'n' [ 580.759442][ T8950] EXT4-fs (loop5): unable to read superblock [ 580.781207][ T8960] tmpfs: Unknown parameter 'n' 11:50:01 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:01 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1acffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:01 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000002b904030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:01 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffb004, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:01 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:01 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) [ 581.197125][ T8984] tmpfs: Unknown parameter 'n' [ 581.205462][ T8986] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 581.224053][ T8989] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:01 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 581.250880][ T8984] tmpfs: Unknown parameter 'n' [ 581.278388][ T8986] EXT4-fs (loop5): unable to read superblock 11:50:02 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x8000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffffe00, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 581.335337][ T8998] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:02 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) 11:50:02 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffff7f, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:02 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 581.627716][ T8998] EXT4-fs (loop5): unable to read superblock [ 581.646255][ T9013] tmpfs: Unknown parameter 'n' [ 581.692315][ T9013] tmpfs: Unknown parameter 'n' [ 581.735661][ T9030] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 581.760395][ T9036] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 581.800446][ T9030] EXT4-fs (loop5): unable to read superblock [ 581.818073][ T9041] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 581.832368][ T9041] EXT4-fs (loop5): unable to read superblock 11:50:02 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:02 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x9000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:02 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffff8c, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:02 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:02 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) 11:50:02 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000e04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 582.132825][ T9046] tmpfs: Unknown parameter 'n' 11:50:02 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 582.169525][ T9053] EXT4-fs (loop5): unable to read superblock [ 582.176322][ T9046] tmpfs: Unknown parameter 'n' [ 582.191205][ T9054] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:02 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xa000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 582.219983][ T9063] EXT4-fs (loop5): unable to read superblock 11:50:03 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffff97, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:03 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) 03:33:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104020014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 582.600065][ T9086] tmpfs: Unknown parameter 'n' 11:50:03 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 582.631576][ T9083] tmpfs: Unknown parameter 'n' [ 582.697422][ T9101] EXT4-fs (loop5): unable to read superblock [ 582.712678][ T9101] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 582.750182][ T9109] EXT4-fs (loop5): unable to read superblock [ 582.770115][ T9101] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:03 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x2acffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:03 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xb000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:03 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffffda, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:03 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) 11:50:03 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:03 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104003814000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 583.078770][ T9116] tmpfs: Unknown parameter 'n' 11:50:03 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffffff6, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 583.109403][ T9116] tmpfs: Unknown parameter 'n' 11:50:03 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) [ 583.136196][ T9121] EXT4-fs (loop5): unable to read superblock [ 583.150681][ T9121] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:03 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xc000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 583.331603][ T9144] print_req_error: 5 callbacks suppressed [ 583.331616][ T9144] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:04 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffffffd, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 583.505123][ T9151] tmpfs: Unknown parameter 'n' 11:50:04 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:04 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xd000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 583.526661][ T9144] EXT4-fs (loop5): unable to read superblock [ 583.534175][ T9149] tmpfs: Unknown parameter 'n' [ 583.606736][ T9170] tmpfs: Unknown parameter 'n' [ 583.651009][ T9170] tmpfs: Unknown parameter 'n' 11:50:04 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x3000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:04 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:04 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104006014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:04 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffffffe, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:04 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) 11:50:04 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xe000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:04 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x8000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:04 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030214000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:04 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) [ 584.030386][ T9177] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.044746][ T9185] tmpfs: Unknown parameter 'n' [ 584.047802][ T9177] EXT4-fs (loop5): unable to read superblock [ 584.058479][ T9180] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 584.100769][ T9185] tmpfs: Unknown parameter 'n' [ 584.115661][ T9202] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.160229][ T9205] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 584.175602][ T9202] EXT4-fs (loop5): unable to read superblock 11:50:04 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:05 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x80000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:05 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030314000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 584.476612][ T9209] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.490190][ T9209] EXT4-fs (loop5): unable to read superblock [ 584.532366][ T9227] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.549328][ T9227] EXT4-fs (loop5): unable to read superblock [ 584.564469][ T9233] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.589184][ T9233] EXT4-fs (loop5): unable to read superblock 11:50:05 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:05 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:05 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) 11:50:05 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:05 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x100000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:05 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030414000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 03:33:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xedc000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 584.962848][ T9248] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 584.983852][ T9251] tmpfs: Unknown parameter 'n' 11:50:05 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) [ 585.027778][ T9248] EXT4-fs (loop5): unable to read superblock [ 585.110417][ T9252] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 585.180197][ T9251] tmpfs: Unknown parameter 'n' [ 585.278943][ T9252] EXT4-fs (loop5): unable to read superblock 11:50:06 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:06 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:06 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030514000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:06 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x10000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 585.451063][ T9286] tmpfs: Unknown parameter 'n' [ 585.458217][ T9287] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 585.486225][ T9287] EXT4-fs (loop5): unable to read superblock [ 585.500812][ T9286] tmpfs: Unknown parameter 'n' [ 585.501304][ T9287] __nla_validate_parse: 3 callbacks suppressed [ 585.501315][ T9287] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 585.551265][ T9297] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 585.563238][ T9297] EXT4-fs (loop5): unable to read superblock [ 585.569721][ T9287] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:06 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x5000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:06 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) 11:50:06 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:06 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:06 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x11000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:06 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030614000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 585.861893][ T9302] EXT4-fs (loop5): unable to read superblock [ 585.870405][ T9303] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 585.883427][ T9309] tmpfs: Unknown parameter 'n' [ 585.895055][ T9312] EXT4-fs (loop5): unable to read superblock 11:50:06 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:06 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030714000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 585.915068][ T9302] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 585.925564][ T9309] tmpfs: Unknown parameter 'n' 11:50:06 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x12000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:06 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) 11:50:06 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:07 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 586.322103][ T9337] EXT4-fs (loop5): unable to read superblock [ 586.329117][ T9339] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 586.346919][ T9335] tmpfs: Unknown parameter 'n' [ 586.380774][ T9334] tmpfs: Unknown parameter 'n' 11:50:07 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x6000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:07 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x20000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:07 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:07 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030914000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:07 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x100000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:07 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) 11:50:07 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) 11:50:07 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1b0ffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 586.824984][ T9370] tmpfs: Unknown parameter 'n' [ 586.825345][ T9372] EXT4-fs (loop5): unable to read superblock [ 586.850338][ T9375] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 586.860181][ T9370] tmpfs: Unknown parameter 'n' [ 586.937735][ T9385] EXT4-fs (loop5): unable to read superblock 11:50:07 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x20100000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:07 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:08 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030a14000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:08 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) [ 587.338197][ T9418] EXT4-fs (loop5): unable to read superblock [ 587.351730][ T9422] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 587.366255][ T9430] EXT4-fs (loop5): unable to read superblock [ 587.373155][ T9418] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:08 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x22000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:08 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x200000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:08 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x0, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:08 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030c14000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:08 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x0) 11:50:08 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x7000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) [ 587.720158][ T9434] tmpfs: Unknown parameter 'n' [ 587.741197][ T9434] tmpfs: Unknown parameter 'n' 11:50:08 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2acffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 587.770496][ T9444] EXT4-fs (loop5): unable to read superblock [ 587.786670][ T9450] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:08 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x0, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 587.884799][ T9444] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:08 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x25000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:08 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2b0ffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:08 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001c000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:08 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x300000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:08 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x0) 11:50:08 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030074000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:08 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x48000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 588.166721][ T9471] tmpfs: Unknown parameter 'n' [ 588.179096][ T9482] EXT4-fs (loop5): unable to read superblock [ 588.190851][ T9485] EXT4-fs (loop5): unable to read superblock [ 588.201662][ T9470] tmpfs: Unknown parameter 'n' 11:50:08 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x0) 11:50:08 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3b0ffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 588.262478][ T9496] EXT4-fs (loop5): unable to read superblock [ 588.285538][ T9499] EXT4-fs (loop5): unable to read superblock [ 588.293415][ T9505] tmpfs: Unknown parameter 'n' [ 588.320621][ T9505] tmpfs: Unknown parameter 'n' 11:50:09 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x8000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:09 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x400000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:09 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x0, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:09 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4c000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:09 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030004000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:09 executing program 0: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2acffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:09 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) 11:50:09 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4b0ffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 588.675414][ T9538] tmpfs: Unknown parameter 'n' [ 588.682321][ T9534] print_req_error: 12 callbacks suppressed [ 588.682335][ T9534] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:09 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 588.882900][ T9538] tmpfs: Unknown parameter 'n' 11:50:09 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x0, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:09 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x500000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:09 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x60000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 589.103421][ T9534] EXT4-fs (loop5): unable to read superblock [ 589.135587][ T9541] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 589.153333][ T9541] EXT4-fs (loop5): unable to read superblock [ 589.155489][ T9575] tmpfs: Unknown parameter 'n' [ 589.200996][ T9575] tmpfs: Unknown parameter 'n' 11:50:10 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x9000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:10 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030914000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:10 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001c000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:10 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x600000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:10 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:10 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x68000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 589.572676][ T9588] tmpfs: Unknown parameter 'n' [ 589.584193][ T9591] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 589.597228][ T9593] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 589.611396][ T9588] tmpfs: Unknown parameter 'n' 11:50:10 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6c000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:10 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030914000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:10 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x700000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 589.632675][ T9591] EXT4-fs (loop5): unable to read superblock [ 589.642580][ T9593] EXT4-fs (loop1): unable to read superblock [ 589.664554][ T9600] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 589.686118][ T9600] EXT4-fs (loop5): unable to read superblock [ 589.744958][ T9620] tmpfs: Unknown parameter 'n' 11:50:10 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030074000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:10 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 589.994324][ T9613] tmpfs: Unknown parameter 'n' 11:50:10 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x800000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 590.080033][ T9636] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 590.088975][ T9641] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 590.101174][ T9636] EXT4-fs (loop1): unable to read superblock [ 590.149268][ T9641] EXT4-fs (loop5): unable to read superblock [ 590.162403][ T9645] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 590.178490][ T9645] EXT4-fs (loop5): unable to read superblock 11:50:11 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xa000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:11 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030914000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:11 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6f000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:11 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x0, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:11 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x900000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:11 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014050000ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:11 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xa00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:11 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 590.556293][ T9662] EXT4-fs (loop5): unable to read superblock [ 590.556288][ T9667] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 590.556318][ T9667] EXT4-fs (loop1): unable to read superblock [ 590.566205][ T9672] __nla_validate_parse: 6 callbacks suppressed [ 590.566219][ T9672] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 590.596126][ T9671] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'. [ 590.606275][ T9666] tmpfs: Unknown parameter 'n' [ 590.622932][ T9677] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 590.642800][ T9666] tmpfs: Unknown parameter 'n' [ 590.680092][ T9662] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 590.714523][ T9677] EXT4-fs (loop5): unable to read superblock 11:50:11 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xb00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:11 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x74000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:11 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:11 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014020100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 591.053926][ T9701] EXT4-fs (loop5): unable to read superblock [ 591.066324][ T9706] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 591.070507][ T9705] tmpfs: Unknown parameter 'n' [ 591.097463][ T9712] EXT4-fs (loop5): unable to read superblock [ 591.106927][ T9701] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 591.145958][ T9705] tmpfs: Unknown parameter 'n' 11:50:12 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xb000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:12 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x0, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:12 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xc00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:12 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014030100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:12 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x0, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:12 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7a000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:12 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xd00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 591.542229][ T9728] tmpfs: Unknown parameter 'n' [ 591.551106][ T9729] EXT4-fs (loop5): unable to read superblock [ 591.557711][ T9733] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 591.570634][ T9728] tmpfs: Unknown parameter 'n' [ 591.658288][ T9743] EXT4-fs (loop5): unable to read superblock 11:50:12 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x8cffffff, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:12 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x0, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:12 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x0, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:12 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014040100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:12 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 592.068965][ T9771] EXT4-fs (loop5): unable to read superblock [ 592.079870][ T9774] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 592.101581][ T9779] EXT4-fs (loop5): unable to read superblock [ 592.112684][ T9771] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:13 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xc000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:13 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014050000ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:13 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x0, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:13 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfffffffffffffff, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:13 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xc0ed0000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:13 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014050100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:13 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001c000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 592.490051][ T9794] EXT4-fs (loop1): unable to read superblock [ 592.500521][ T9795] EXT4-fs (loop5): unable to read superblock [ 592.512140][ T9793] tmpfs: Unknown parameter 'n' [ 592.512153][ T9796] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.0'. [ 592.526377][ T9802] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. [ 592.540545][ T9793] tmpfs: Unknown parameter 'n' [ 592.559295][ T9809] EXT4-fs (loop5): unable to read superblock 11:50:13 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1000000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:13 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030004000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 592.702047][ T9815] EXT4-fs (loop1): unable to read superblock 11:50:13 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x0, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:13 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) 11:50:13 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf6ffffff, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 592.908909][ T9823] EXT4-fs (loop1): unable to read superblock 11:50:14 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xd000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:14 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1100000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:14 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014060100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:14 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) 11:50:14 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x0, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:14 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xfeffffff, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:14 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014070100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:14 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1200000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:14 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0x0, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:14 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) [ 593.397474][ T9854] EXT4-fs (loop5): unable to read superblock [ 593.427583][ T9866] EXT4-fs (loop5): unable to read superblock 11:50:14 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xffffff8c, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 593.666691][ T9879] EXT4-fs (loop5): unable to read superblock 11:50:14 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 593.809660][ T9881] print_req_error: 14 callbacks suppressed [ 593.809674][ T9881] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 593.873847][ T9881] EXT4-fs (loop5): unable to read superblock [ 593.890430][ T9900] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 593.905238][ T9900] EXT4-fs (loop1): unable to read superblock 11:50:15 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:15 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1400000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:15 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xfffffff6, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:15 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xe000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:15 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014090100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:15 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0x0, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 594.335759][ T9915] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 594.343006][ T9919] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:15 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1468ffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:15 executing program 0: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000c04030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 594.389570][ T9915] EXT4-fs (loop1): unable to read superblock [ 594.393531][ T9919] EXT4-fs (loop5): unable to read superblock [ 594.413618][ T9929] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:15 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xfffffffe, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:15 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000001040300140a0100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 594.438404][ T9929] EXT4-fs (loop5): unable to read superblock 11:50:15 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1603000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:15 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0x0, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:15 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x8000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 594.810575][ T9948] blk_update_request: I/O error, dev loop1, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 594.846730][ T9954] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:15 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1703000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 594.883191][ T9948] EXT4-fs (loop1): unable to read superblock [ 594.896361][ T9954] EXT4-fs (loop5): unable to read superblock [ 594.928178][ T9967] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 594.958421][ T9967] EXT4-fs (loop5): unable to read superblock 11:50:16 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x10000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:16 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0x0, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:16 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xedc000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:16 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300), 0x0, 0x7fffffff) 11:50:16 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1803000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:16 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a817393270500000000000000000001040300140c0100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:16 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0x0, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 595.355912][ T9989] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:16 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1937fabe00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:16 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x100000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:16 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0x0, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:16 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:16 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x1b02000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 595.760340][ T9989] EXT4-fs (loop5): unable to read superblock [ 595.795293][T10004] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 595.806833][T10004] EXT4-fs (loop5): unable to read superblock 11:50:16 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000c00ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:16 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x200000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:16 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2000000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:16 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x11000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:16 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:16 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x0, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:17 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x300000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:17 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2010000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:17 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x0, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 596.279715][T10047] EXT4-fs (loop5): unable to read superblock [ 596.297864][T10058] netlink: 'syz-executor.2': attribute type 12 has an invalid length. [ 596.306262][T10058] __nla_validate_parse: 12 callbacks suppressed [ 596.306277][T10058] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:17 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 596.355625][T10068] EXT4-fs (loop5): unable to read superblock [ 596.398802][T10047] netlink: 'syz-executor.2': attribute type 12 has an invalid length. [ 596.407427][T10047] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:17 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x400000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:17 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2200000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:17 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000e00ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:17 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x0, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:17 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x500000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 596.816326][T10107] EXT4-fs (loop5): unable to read superblock 11:50:17 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x12000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:17 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001402b900ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:17 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x2500000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:17 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x0, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:17 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:17 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x600000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:17 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x700000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 597.226454][T10131] EXT4-fs (loop5): unable to read superblock [ 597.242555][T10131] netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:17 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x3f00000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:18 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x0, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:18 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000c00ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:18 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x800000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:18 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 597.656084][T10162] EXT4-fs (loop5): unable to read superblock [ 597.668568][T10167] netlink: 'syz-executor.2': attribute type 12 has an invalid length. [ 597.676812][T10167] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 597.700197][T10172] EXT4-fs (loop5): unable to read superblock [ 597.714870][T10162] netlink: 'syz-executor.2': attribute type 12 has an invalid length. [ 597.723067][T10162] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:18 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x13000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:18 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x4000000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:18 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:18 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000e00ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:18 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x900000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:18 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:18 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x5001000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:18 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xa00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:18 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001400b902ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:18 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x7bc7666100000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 598.157375][T10197] EXT4-fs (loop5): unable to read superblock [ 598.185064][T10207] EXT4-fs (loop5): unable to read superblock [ 598.232330][T10221] EXT4-fs (loop5): unable to read superblock 11:50:18 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xb00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 598.423223][T10228] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:19 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x14000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:19 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x8cffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:19 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000005ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:19 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x0, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:19 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xc00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:19 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xd00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:19 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x97ffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 599.121938][T10261] print_req_error: 9 callbacks suppressed [ 599.121992][T10261] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 599.146177][T10265] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:19 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:19 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 03:33:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xdaffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 599.189523][T10261] EXT4-fs (loop5): unable to read superblock [ 599.221828][T10271] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xe00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 599.466630][T10271] EXT4-fs (loop5): unable to read superblock 11:50:20 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:20 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x14b0ffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000102ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xdc03000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:20 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:20 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1000000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 600.073248][T10320] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 600.099062][T10322] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:20 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 600.134518][T10320] EXT4-fs (loop5): unable to read superblock 11:50:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe401000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:21 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1100000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:21 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000103ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:21 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe7ff010000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 600.510540][T10339] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 600.549420][T10339] EXT4-fs (loop5): unable to read superblock [ 600.632026][T10366] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 600.647900][T10368] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 600.657948][T10366] EXT4-fs (loop5): unable to read superblock 11:50:21 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe800000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:21 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x1937fabe, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x1200000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:21 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000104ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:21 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:21 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000105ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:21 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xe900000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:21 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0x0, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 600.992505][T10381] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 601.004588][T10383] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 601.015416][T10381] EXT4-fs (loop5): unable to read superblock 11:50:21 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2000000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:22 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xf6ffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:22 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 601.446393][T10416] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 601.458372][T10417] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 601.502683][T10416] EXT4-fs (loop5): unable to read superblock [ 601.509180][T10423] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:22 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:22 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfdffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 601.549074][T10423] EXT4-fs (loop5): unable to read superblock 11:50:22 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x20000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:22 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000106ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:22 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2010000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:22 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:22 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeff000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:22 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 601.939104][T10459] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 601.960833][T10464] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:22 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xfeffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:22 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, 0xffffffffffffffff, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 601.987376][T10459] EXT4-fs (loop5): unable to read superblock [ 602.002523][T10472] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 602.202593][T10464] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:23 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2200000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:23 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:23 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000107ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xff03000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 602.366149][T10472] EXT4-fs (loop5): unable to read superblock [ 602.446894][T10509] EXT4-fs (loop5): unable to read superblock [ 602.457687][T10510] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 602.488717][T10514] EXT4-fs (loop5): unable to read superblock [ 602.507854][T10509] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:23 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x20100000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:23 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:23 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x2500000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:23 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffff000000000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:23 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000109ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:23 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffff7f00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 602.873514][T10530] EXT4-fs (loop5): unable to read superblock [ 602.882518][T10533] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:23 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 602.921371][T10537] EXT4-fs (loop5): unable to read superblock 11:50:23 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4800000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 603.072007][T10530] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:23 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001400010aac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:24 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(0x0, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:24 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x4c00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 603.312271][T10568] EXT4-fs (loop5): unable to read superblock [ 603.326704][T10569] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 603.360508][T10575] EXT4-fs (loop5): unable to read superblock [ 603.380124][T10568] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x22000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:24 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x0) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:24 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffffff00000000, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:24 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a8173932705000000000000000000010403001400010cac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:24 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6000000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:24 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, 0x0) semtimedop(0x0, 0x0, 0x0, &(0x7f0000000200)) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(0x0, 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r2, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r3 = ioctl$LOOP_CTL_GET_FREE(r2, 0x4c82) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, r3) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r2, 0x4c81, 0xb) r4 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r4, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:24 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac0414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:24 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0xffffffffffffff0f, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 603.785116][T10603] EXT4-fs (loop5): unable to read superblock [ 603.855498][T10621] EXT4-fs (loop5): unable to read superblock [ 603.863309][T10621] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 603.878459][T10625] EXT4-fs (loop5): unable to read superblock 11:50:24 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6800000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:24 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:24 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1c14bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:24 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 604.262133][T10641] print_req_error: 9 callbacks suppressed [ 604.262146][T10641] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 604.309269][T10641] EXT4-fs (loop5): unable to read superblock [ 604.315731][T10650] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 604.327205][T10650] EXT4-fs (loop5): unable to read superblock 11:50:25 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x25000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x22, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:25 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6c00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:25 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:25 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:25 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac7414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 604.722129][T10664] 9pnet: Insufficient options for proto=fd [ 604.738854][T10661] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 604.753209][T10661] EXT4-fs (loop5): unable to read superblock [ 604.759686][T10672] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x25, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:25 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1404bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 604.772036][T10672] EXT4-fs (loop5): unable to read superblock 11:50:25 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:25 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x6f00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:25 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:25 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x2c, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 605.120335][T10686] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 605.169714][T10686] EXT4-fs (loop5): unable to read superblock [ 605.184922][T10703] 9pnet: Insufficient options for proto=fd [ 605.199749][T10698] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 605.226400][T10698] EXT4-fs (loop5): unable to read superblock 11:50:26 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x3f000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:26 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) 11:50:26 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, 0x0, 0x0, 0x7fffffff) 11:50:26 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7400000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:26 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x22, {'wfdno', 0x3d, r1}}) 11:50:26 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac141cbb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:26 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) [ 605.625894][T10723] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 605.649076][T10723] EXT4-fs (loop5): unable to read superblock [ 605.655424][T10722] 9pnet: Insufficient options for proto=fd 11:50:26 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x7a00000000000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:26 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x22, r1}}) [ 605.684646][T10727] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 605.805225][T10727] EXT4-fs (loop5): unable to read superblock 11:50:26 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, 0x0, 0x0, 0x7fffffff) 11:50:26 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1474bb0542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:26 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x25, r1}}) [ 606.115677][T10764] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 606.132630][T10764] EXT4-fs (loop5): unable to read superblock [ 606.140961][T10769] 9pnet: Insufficient options for proto=fd 11:50:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x40000000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:27 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, 0x0, 0x0, 0x7fffffff) 11:50:27 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0b42d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:27 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x8cffffff00000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:27 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x2c, r1}}) 11:50:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) [ 606.565014][T10785] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 606.578465][T10787] 9pnet: Insufficient options for proto=fd [ 606.589930][T10791] __nla_validate_parse: 5 callbacks suppressed [ 606.589943][T10791] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:27 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300), 0x0, 0x7fffffff) 11:50:27 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x22}) [ 606.617497][T10785] EXT4-fs (loop5): unable to read superblock 11:50:27 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xf6ffffff00000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 03:33:20 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb2542d6401051a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:27 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:27 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300), 0x0, 0x7fffffff) [ 607.047506][T10822] EXT4-fs (loop5): unable to read superblock [ 607.062483][T10827] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 607.099131][T10835] EXT4-fs (loop5): unable to read superblock [ 607.128246][T10822] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:28 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4a010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:28 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:28 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300), 0x0, 0x7fffffff) 11:50:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xfeffffff00000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:28 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6400251a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0xffffffff00000000, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) [ 607.459347][T10854] EXT4-fs (loop5): unable to read superblock [ 607.472338][T10859] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 607.496704][T10867] EXT4-fs (loop5): unable to read superblock 11:50:28 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x2}}) 11:50:28 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 607.610438][T10854] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:28 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6400a51a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:28 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) 11:50:28 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='\n']) [ 607.914144][T10896] EXT4-fs (loop5): unable to read superblock [ 607.922732][T10897] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 607.951413][T10902] tmpfs: Unknown parameter ' [ 607.951413][T10902] ' [ 607.974879][T10905] EXT4-fs (loop5): unable to read superblock [ 607.988749][T10896] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 607.999976][T10902] tmpfs: Unknown parameter ' [ 607.999976][T10902] ' 11:50:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x4f010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:29 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:29 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) 11:50:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x3}}) 11:50:29 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401c51a2d708f37ac8da1a297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='\"']) [ 608.372100][T10918] tmpfs: Unknown parameter '"' [ 608.378482][T10919] ================================================================== [ 608.386576][T10919] BUG: KCSAN: data-race in do_settimeofday64 / ktime_get_real_seconds [ 608.394738][T10919] [ 608.397058][T10919] write to 0xffffffff841669b8 of 8 bytes by task 10920 on cpu 1: [ 608.404764][T10919] do_settimeofday64+0x404/0x5a0 [ 608.409707][T10919] do_sys_settimeofday64+0x17b/0x1a0 [ 608.415078][T10919] posix_clock_realtime_set+0x13/0x20 [ 608.420955][T10919] __x64_sys_clock_settime+0x163/0x190 [ 608.426439][T10919] do_syscall_64+0x44/0xa0 [ 608.430846][T10919] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 608.436744][T10919] [ 608.439071][T10919] read to 0xffffffff841669b8 of 8 bytes by task 10919 on cpu 0: [ 608.446703][T10919] ktime_get_real_seconds+0x11/0x20 [ 608.451906][T10919] find_inode_bit+0x1f9/0x330 [ 608.456577][T10919] __ext4_new_inode+0xc9a/0x2fd0 [ 608.461505][T10919] ext4_mkdir+0x28a/0x760 [ 608.465827][T10919] vfs_mkdir+0x2c3/0x3e0 [ 608.470065][T10919] do_mkdirat+0x12e/0x2c0 [ 608.474405][T10919] __x64_sys_mkdir+0x40/0x50 [ 608.478990][T10919] do_syscall_64+0x44/0xa0 [ 608.483410][T10919] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 608.489307][T10919] [ 608.491615][T10919] value changed: 0x000000006166c805 -> 0x0000000077359400 [ 608.498704][T10919] [ 608.501012][T10919] Reported by Kernel Concurrency Sanitizer on: [ 608.507147][T10919] CPU: 0 PID: 10919 Comm: syz-executor.4 Tainted: G W 5.15.0-rc5-syzkaller #0 [ 608.517412][T10919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 608.527470][T10919] ================================================================== [ 608.545028][T10923] EXT4-fs (loop5): unable to read superblock [ 608.553078][T10923] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:29 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:29 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac80400297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x4}}) 11:50:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='%']) [ 608.575710][T10938] EXT4-fs (loop5): unable to read superblock [ 608.582538][T10918] tmpfs: Unknown parameter '"' [ 608.638931][T10947] tmpfs: Unknown parameter '%' [ 608.669701][T10952] EXT4-fs (loop5): unable to read superblock [ 608.681282][T10947] tmpfs: Unknown parameter '%' [ 608.694408][T10954] netlink: 92 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB=',']) 11:50:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x5}}) [ 608.728183][T10966] EXT4-fs (loop5): unable to read superblock [ 608.745511][T10952] netlink: 92 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x50010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:29 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r1, r2+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r3 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0xb) semget$private(0x0, 0x0, 0x0) pwrite64(0xffffffffffffffff, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:29 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac86000297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:29 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) perf_event_open$cgroup(&(0x7f0000000180)={0x0, 0x80, 0x9, 0x0, 0x0, 0x5, 0x0, 0x1, 0x20, 0x2, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0xa7, 0x1, @perf_bp={&(0x7f0000000140), 0x1}, 0x6c, 0xffffffffffffff2f, 0x8, 0x2, 0x1f, 0x4, 0x20, 0x0, 0x7, 0x0, 0x2cd6}, r0, 0x8, 0xffffffffffffffff, 0xb) 11:50:29 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x6}}) 11:50:29 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dba", 0x22, 0x7fffffff) 11:50:30 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 609.281894][T10999] tmpfs: Unknown parameter 'n' [ 609.288814][T10998] print_req_error: 10 callbacks suppressed [ 609.288825][T10998] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 609.320970][T10998] EXT4-fs (loop5): unable to read superblock 11:50:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x7}}) [ 609.327744][T11011] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:30 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) [ 609.514207][T11011] EXT4-fs (loop5): unable to read superblock 11:50:30 executing program 1: sendmsg$NL80211_CMD_DEAUTHENTICATE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x44, 0x0, 0x2, 0x70bd2a, 0x25dfdbff, {{}, {@void, @val={0xc, 0x99, {0x24, 0x2c}}}}, [@NL80211_ATTR_REASON_CODE={0x6, 0x36, 0x800}, @NL80211_ATTR_LOCAL_STATE_CHANGE={0x4}, @NL80211_ATTR_REASON_CODE={0x6, 0x36, 0x8}, @NL80211_ATTR_LOCAL_STATE_CHANGE={0x4}, @NL80211_ATTR_SSID={0xa, 0x34, @default_ap_ssid}]}, 0x44}, 0x1, 0x0, 0x0, 0xe3efeb022101558}, 0x84) perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="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"]) 11:50:30 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1c297e0099c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x8}}) [ 609.727276][T11038] tmpfs: Unknown parameter 'nbMž»kcF jjÖú9' [ 609.765151][T11043] tmpfs: Unknown parameter 'nbMž»kcF jjÖú9' [ 609.805408][T11051] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 609.829250][T11051] EXT4-fs (loop5): unable to read superblock [ 609.845230][T11060] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 609.858921][T11060] EXT4-fs (loop5): unable to read superblock 11:50:30 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x51010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:30 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) 11:50:30 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = gettid() tkill(r0, 0x34) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x1f, 0x1, 0x8, 0x1, 0x0, 0xffff, 0x101b, 0x2, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d79, 0x0, @perf_config_ext={0x4, 0x7}, 0xc0, 0x9, 0x401, 0x1, 0xec, 0xffff, 0x6, 0x0, 0xa473, 0x0, 0x7f}, r0, 0x10, r1, 0x1c) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000000), 0xffffffffffffffff) r4 = socket(0x2, 0x3, 0x3) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'sit0\x00', 0x0}) sendmsg$ETHTOOL_MSG_EEE_GET(r2, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2e82958bba", @ANYRES16=r3, @ANYBLOB="010000000000000000001a0000002000018008000100", @ANYRES32=r5, @ANYBLOB="140002006d6163766c616e300000000000000000"], 0x34}}, 0x0) ioctl$FIOCLEX(r2, 0x5451) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='\x00']) 11:50:30 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:30 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x9}}) 11:50:30 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0299c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:30 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) r0 = getpid() perf_event_open(&(0x7f0000000140)={0x5, 0x80, 0x9, 0x4, 0x5, 0xf9, 0x0, 0x3, 0x10000, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, @perf_config_ext={0x0, 0x1fe2}, 0x1040, 0x73948350, 0x8001, 0x5, 0x800, 0x400, 0x8, 0x0, 0x800, 0x0, 0x3549}, r0, 0x10, 0xffffffffffffffff, 0x3) [ 610.209932][T11075] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 610.266006][T11075] EXT4-fs (loop5): unable to read superblock [ 610.272349][T11087] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xa}}) 11:50:31 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 610.542877][T11087] EXT4-fs (loop5): unable to read superblock 11:50:31 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0399c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xb}}) 11:50:31 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043", 0x33, 0x7fffffff) [ 610.594884][T11100] tmpfs: Unknown parameter 'n' [ 610.639760][T11099] tmpfs: Unknown parameter 'n' [ 610.673224][T11124] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 610.697845][T11124] EXT4-fs (loop5): unable to read superblock [ 610.734248][T11128] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 610.750829][T11128] EXT4-fs (loop5): unable to read superblock 11:50:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xc}}) 11:50:31 executing program 1: r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_CONTROL_PORT_FRAME(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x5c, r1, 0x8, 0x70bd27, 0x25dfdbfe, {{}, {@void, @val={0xc, 0x99, {0xfffffffb, 0x8}}}}, [@NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT={0x4}, @NL80211_ATTR_CONTROL_PORT_ETHERTYPE={0x6, 0x66, 0x884c}, @NL80211_ATTR_FRAME={0xe, 0x33, @ctrl_frame=@ack={{}, {0x719}, @device_b}}, @NL80211_ATTR_FRAME={0x14, 0x33, @ctrl_frame=@cf_end_cf_ack={{}, {0x80}, @device_b}}, @NL80211_ATTR_MAC={0xa, 0x6, @broadcast}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4008094}, 0x2404c000) r2 = gettid() r3 = openat(r0, &(0x7f0000000380)='./file0\x00', 0x1, 0x1) sendmsg$NL80211_CMD_ASSOCIATE(r3, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x80040500}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x44, 0x0, 0x201, 0x70bd25, 0x25dfdbff, {{}, {@void, @void}}, [@NL80211_ATTR_USE_MFP={0x8, 0x42, 0x2}, @NL80211_ATTR_VHT_CAPABILITY={0x10, 0x9d, {0x10000000, {0x5, 0x7fff, 0x3, 0x5}}}, @crypto_settings=[@NL80211_ATTR_CIPHER_SUITE_GROUP={0x8, 0x4a, 0xfac06}, @NL80211_ATTR_AKM_SUITES={0x8, 0x4c, [0xfac05]}, @NL80211_ATTR_CONTROL_PORT_ETHERTYPE={0x6, 0x66, 0x19}]]}, 0x44}, 0x1, 0x0, 0x0, 0x20000044}, 0x2004a894) r4 = perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x7}, r2, 0x0, 0xffffffffffffffff, 0x0) r5 = socket(0x2, 0x3, 0x3) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000000)={'sit0\x00'}) r6 = gettid() ptrace$setregs(0xf, r6, 0x3, &(0x7f00000002c0)="5a751081abe59009af040a7e92598489b30a936484c9edd8ccfa4771840c88dc9708e28c9fd338edd59d65b0b59c7c90286938cc0be95e64b4fb618930c7c6254f556e7aa04c66d39a2bde1617e6a960b7038b5638b125f21613116a45be9357ee5e8d39511d668dbdd13164808f6ec74666229a5261e1fffebcc586c354803028eabf521ae9bf92ca5024701d975cf17d25") ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x2400, 0x20000000) tkill(r2, 0x14) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x1ff, 0x0, 0x0, 0x808000, &(0x7f0000000140)=ANY=[@ANYBLOB, @ANYRES32=r4, @ANYRESHEX, @ANYRESHEX=r5]) 11:50:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x52010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:31 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:31 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0499c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:31 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) 11:50:31 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xd}}) [ 611.115282][T11152] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 611.150664][T11152] EXT4-fs (loop5): unable to read superblock [ 611.165276][T11160] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 611.182357][T11160] EXT4-fs (loop5): unable to read superblock 11:50:32 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) 11:50:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0599c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:32 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xe}}) 11:50:32 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0699c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 611.559194][T11184] EXT4-fs (loop5): unable to read superblock [ 611.597968][T11191] EXT4-fs (loop5): unable to read superblock 11:50:32 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0799c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 611.618275][T11207] EXT4-fs (loop5): unable to read superblock [ 611.638406][T11208] __nla_validate_parse: 5 callbacks suppressed [ 611.638419][T11208] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 611.678778][T11213] EXT4-fs (loop5): unable to read superblock [ 611.685678][T11213] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 611.701082][T11217] EXT4-fs (loop5): unable to read superblock 11:50:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:34 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x10}}) 11:50:34 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546", 0x3b, 0x7fffffff) 11:50:34 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0999c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:34 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x53010000, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:34 executing program 1: r0 = syz_open_pts(0xffffffffffffffff, 0x80000) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000180)) r1 = perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0x3ff, 0x3}, 0x80, 0x0, 0x0, 0x0, 0x3}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="6e1b19a46a99fccc004c8efad36e72"]) r3 = openat$incfs(r2, &(0x7f00000001c0)='.log\x00', 0x4c300, 0x20) ioctl$FS_IOC_SETFSLABEL(r3, 0x41009432, &(0x7f0000000200)="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") ioctl$KDDISABIO(r0, 0x4b37) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x11, r4, 0xffffc000) fchownat(r4, &(0x7f0000000140)='./file0\x00', 0xee00, 0xee00, 0x1000) r5 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x3f) dup3(r5, r1, 0x0) [ 614.116692][T11224] EXT4-fs (loop5): unable to read superblock [ 614.135252][T11227] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 614.150141][T11233] tmpfs: Unknown parameter 'n¤j™üÌ' [ 614.157190][T11238] EXT4-fs (loop5): unable to read superblock 11:50:34 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) 11:50:34 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:34 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0a99c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) [ 614.173834][T11224] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x11}}) [ 614.243764][T11255] EXT4-fs (loop5): unable to read superblock [ 614.250921][T11256] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 614.263668][T11258] EXT4-fs (loop5): unable to read superblock [ 614.272874][T11233] tmpfs: Unknown parameter 'n¤j™üÌ' [ 614.352937][T11255] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. 11:50:35 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0c99c5ac0000c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:35 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:35 executing program 1: bind$unix(0xffffffffffffffff, &(0x7f0000000140)=@file={0x1, './file0\x00'}, 0x6e) perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x4, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x10, 0x4}, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x9, 0xffffffffffffffff, 0x8) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x8, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:35 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) 11:50:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x12}}) [ 614.621982][T11286] print_req_error: 9 callbacks suppressed [ 614.621996][T11286] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 614.641944][T11293] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 614.644108][T11291] tmpfs: Unknown parameter 'n' 11:50:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x14}}) [ 614.675627][T11298] tmpfs: Unknown parameter 'n' [ 614.692226][T11286] EXT4-fs (loop5): unable to read superblock [ 614.710587][T11302] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 614.745416][T11302] EXT4-fs (loop5): unable to read superblock 11:50:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x6166c7a3, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:35 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9", 0x3f, 0x7fffffff) 11:50:35 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:35 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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 = shmget$private(0x0, 0x400000, 0x0, &(0x7f000000e000/0x400000)=nil) shmat(r0, &(0x7f0000000000/0x13000)=nil, 0x6000) madvise(&(0x7f000016b000/0xc00000)=nil, 0xc00000, 0x17) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:35 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0200c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:35 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x22}}) 11:50:35 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 03:33:20 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0x25}}) [ 615.076078][T11337] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 615.112276][T11340] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 615.138232][T11337] EXT4-fs (loop5): unable to read superblock [ 615.153288][T11355] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 615.165147][T11355] EXT4-fs (loop5): unable to read superblock 11:50:35 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) 11:50:35 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0300c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xe8}}) [ 615.561035][T11370] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 615.579879][T11378] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 615.604359][T11370] EXT4-fs (loop5): unable to read superblock [ 615.617551][T11385] tmpfs: Unknown parameter 'n' [ 615.651902][T11385] tmpfs: Unknown parameter 'n' 11:50:36 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) 11:50:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x8cffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [], 0xe9}}) 11:50:36 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:36 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0400c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:36 executing program 1: r0 = syz_open_dev$vcsn(&(0x7f0000000140), 0x7e1, 0x8200) ioctl$sock_SIOCDELRT(r0, 0x890c, &(0x7f00000001c0)={0x0, @qipcrtr={0x2a, 0x3, 0x2}, @isdn={0x22, 0x6, 0x1, 0x47, 0x5}, @isdn={0x22, 0x5, 0x8, 0x8e, 0x8}, 0x9, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)='veth1_to_hsr\x00', 0xfff, 0x80000000}) perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB='n']) 11:50:36 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f00000001c0)={{{@in=@empty, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in=@dev}}, &(0x7f0000000000)=0xe8) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000100)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[], [{@fowner_gt={'fowner>', r2}}]}}) set_mempolicy(0x3, &(0x7f0000000040)=0x8, 0xff) [ 615.993164][T11401] tmpfs: Unknown parameter 'n' [ 616.026399][T11407] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 616.053461][T11410] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 616.073870][T11401] tmpfs: Unknown parameter 'n' 11:50:36 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078", 0x41, 0x7fffffff) 11:50:37 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0500c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:37 executing program 4: sendmsg$inet(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000100)={0x2, 0x4e20, @local}, 0x10, &(0x7f00000004c0)=[{&(0x7f00000001c0)="4c0e06e942da3573a96d32b75471a612396d6402318c99b99d8d05544a806aedd6df1752b56046c21eecb2f545814ca6cf870112bc1f2c2b089fe590df0b65a600a2bb3a88e037f338a7e582043679b4df7333c699fdce1a373bb95f66e07b3a7fe6039af13382a27ec802d79d9fd8e93b8608dc0139d66eabb42cbe9fb696e3a139e2d53532e5f51bf19d3e65baa572719fcb2f2cdd95d51c31a3def570f86ed9fe5890acd979cc954978a3d7e1390103db16ced9902fd82095df50a078", 0xbe}, {&(0x7f0000000280)="572474620195ccfebb89ca426fdd3b6092951f68dfc6b154e082fe9afa31d54c03ae5de51200eefd32287333fd1477e506144f5a49fce06249b23c0ffd9ad18fd32aca0b5a4897077060ec27edd43ac451e8c42d2984245a124bd90a0a2b8e0aee1283950073d1dbc6f7adc30d99304f7a714a313b97daa527f73b7a", 0x7c}, {&(0x7f0000000300)="0e61ec19892bfd409bc8196dc54bdecf97633c542f909e9006b37cfc7ce2ee2f83eb6f29579568682d7e9609496a73a89284ee7470d23c1c88eb514eeeed69d85a4ab3636a70af03e98e55bf4ceff5c37a10ed2f590c0476d8226a59f432d0a2cf9e5cf75c447f2b21c254", 0x6b}, {&(0x7f00000003c0)="e50c0ebe0067514b1fde46125c7c5d35bdebb2a5aa7f9db2dc242750427f26dddb671b8e43ecab87da0aa3fa0a4f3c74faf8d21e339a1c3777dc3585231fa7c4d42ef36ba52d38e0337eae02a19259eab4243dce766d9a7c1b1313a45daac766906b66e422a369", 0x67}, {&(0x7f0000000440)="41b687edc4ef594dedcfb077f3ded542526431aa9d5ff2235b41133606d51ddd5119f9928c4d6f129079e3e2c8d369ffe364f13b794b5598cb5e701d1710852cb0a869a57913092bdd9e4d7f2f650448fd396bd16d23f5289ce8eea0b5f04e06f532d3e08ab3574988a9d7a4d5", 0x6d}], 0x5, &(0x7f0000000540)=[@ip_ttl={{0x14, 0x0, 0x2, 0x8}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x5}}, @ip_ttl={{0x14, 0x0, 0x2, 0x4}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x5}}], 0x60}, 0xc000) syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) set_mempolicy(0x3, &(0x7f00000000c0)=0xfffffffffffffffe, 0x7) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 616.389640][T11407] EXT4-fs (loop5): unable to read superblock 11:50:37 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3bbc98927ddca947, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x9b}, 0x10, 0x0, 0xffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000}, 0x0, 0x10, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000000680)={0x612080000, &(0x7f00000003c0), &(0x7f0000000400)=0x0, &(0x7f0000000440), {0x10}, &(0x7f0000000480)=""/157, 0x9d, &(0x7f0000000540)=""/246, &(0x7f0000000640)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0], 0xa}, 0x58) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) perf_event_open(&(0x7f0000000340)={0x1, 0x80, 0xff, 0x7f, 0x8, 0x2, 0x0, 0x101, 0x200b0, 0x6, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x5, 0x6, @perf_bp={&(0x7f0000000300), 0x9}, 0x0, 0x2, 0x0, 0x3, 0x3, 0xff, 0x6, 0x0, 0x2, 0x0, 0x8}, r0, 0x9, r1, 0x1) r2 = socket(0x2, 0x3, 0x3) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'sit0\x00'}) syz_mount_image$tmpfs(&(0x7f0000000180), &(0x7f0000000040)='./file0\x00', 0x100000000000, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[]) open(&(0x7f0000000140)='./file0\x00', 0x141141, 0x1c2) r3 = pidfd_open(0x0, 0x0) r4 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000080), 0x200102, 0x0) sendmsg$DEVLINK_CMD_SB_TC_POOL_BIND_SET(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x60, 0x0, 0x400, 0x70bd29, 0x25dfdbfc, {}, [{{@pci={{0x8}, {0x11}}, {0x8, 0x3, 0x1}}, {0x8, 0xb, 0x4}, {0x6, 0x16, 0x9}, {0x5, 0x12, 0x1}, {0x6, 0x11, 0x7fff}, {0x8, 0xb, 0x9}}]}, 0x60}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) ftruncate(r3, 0x8) 11:50:37 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) [ 616.467807][T11447] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 616.508580][T11447] EXT4-fs (loop5): unable to read superblock [ 616.528941][T11458] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 616.546682][T11458] EXT4-fs (loop5): unable to read superblock 11:50:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0x97ffffff, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:37 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100), &(0x7f00000001c0)={0x0, 0xfb, 0xc1, 0x4, 0x3f, "58f19bd3ed9ea748eaf91b361ef971bb", "b8742087d9530ee236bcc07da1fd63781f907cf6fc4138700ae1e76c979d4e6077b10d930dd86319909f33ae2d4bfb5107b1acc8c726a5787492ecb800539c50fdc9553ba9f3f5fd2270320cc28b5985a4ff77f529ca80ca5ca22ab9e082ef1856b9902922d563cca5ce353e26099ef84907c31a0f7a8c2d8fa1c45419a4c83d2bc5b3cc4896a00038131de56bf6297b7860a88d9c109591934d4ece7cc6627aa8b3895f5a491275dc98b1ff"}, 0xc1, 0x2) r2 = creat(&(0x7f0000000140)='./file0\x00', 0x0) getsockname$unix(r2, &(0x7f00000002c0)=@abs, &(0x7f0000000340)=0x6e) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) 11:50:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:37 executing program 2: mknod$loop(&(0x7f0000000000)='./file0\x00', 0x6000, 0x1) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000100)=@filename='./file0\x00', &(0x7f0000000080)='./file0\x00', &(0x7f0000000040)='ext2\x00', 0x0, 0x0) open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) pipe(0x0) socket$inet_tcp(0x2, 0x1, 0x0) r0 = socket$inet6(0x10, 0x3, 0x0) sendto$inet6(r0, &(0x7f00000000c0)="900000001c001f4d154a81739327050000000000000000000104030014000100ac1414bb0542d6401051a2d708f37ac8da1a297e0099c5ac0600c5b068d0bf46d323456536016466fcb78dcaaf6c3efed495a46215be0000760700c0c80cefd28581d158ba86c9d2896c6d3bca2d0000000b0015009e49a6560641263da4de1df32c1739d7fbee9aa241731ae9e0b390", 0x90, 0x0, 0x0, 0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, &(0x7f00000000c0)) r1 = creat(&(0x7f0000000080)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r1, 0x40086602, &(0x7f0000000000)=0x84000) shutdown(0xffffffffffffffff, 0x0) 11:50:37 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="c88c6b16383dceef3916710ccae755a0e6f39973c297a7241a52efdc15b431981d391aa485fa18f31797ffa358db7cc65bcf561d0d7a52fe72603979b4ff8f252423e3dadc292175e6c43d9e31396dcb607042ab2d49d89f4c5daea39d7ed0f4e777af1b2e5a1faffe8189ad"]) 11:50:37 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) 11:50:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) [ 616.907819][T11487] tmpfs: Unknown parameter 'ÈŒk8' [ 616.917132][T11489] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 616.930969][T11487] tmpfs: Unknown parameter 'ÈŒk8' 11:50:37 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB]) 11:50:37 executing program 4: syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) mkdirat(r0, &(0x7f00000000c0)='./file0\x00', 0x33) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) creat(&(0x7f0000000100)='./file0\x00', 0x8) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={'trans=fd,', {'rfdno', 0x3d, r1}, 0x2c, {'wfdno', 0x3d, r2}}) [ 616.973859][T11506] __nla_validate_parse: 1 callbacks suppressed [ 616.973872][T11506] netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. [ 617.001354][T11489] EXT4-fs (loop5): unable to read superblock [ 617.008723][T11506] blk_update_request: I/O error, dev loop5, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 11:50:37 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r5, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7b3", 0x43, 0x7fffffff) 11:50:38 executing program 3: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) r4 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r4, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r5 = ioctl$LOOP_CTL_GET_FREE(r4, 0x4c82) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, r5) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(r4, 0x4c81, 0xb) r6 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, @perf_config_ext={0x4, 0xfffffffffffffffa}, 0x0, 0x9, 0x541b, 0x0, 0xbc, 0xff, 0x101, 0x0, 0x8, 0x0, 0x7}, 0xffffffffffffffff, 0xc, r1, 0x2) semget$private(0x0, 0x0, 0x0) pwrite64(r6, &(0x7f0000000300)="84e324d1f438e3f698756b1c4b13b3d8c4b19851936ce460a0ac182947edb8693dbab0a1039ccc3e5a9b0bf53d37375c2c9043b36ce731503f4546f41e21c9c078f7", 0x42, 0x7fffffff) 11:50:38 executing program 4: r0 = syz_mount_image$ext4(0x0, &(0x7f0000000380)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) set_mempolicy(0x1, 0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r1, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00', @ANYRESHEX=r2, @ANYBLOB=',\x00']) write$P9_RVERSION(r2, &(0x7f00000001c0)=ANY=[@ANYBLOB="1300000065dcff7f000000790d395032303030"], 0x13) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) fsetxattr(r3, &(0x7f0000000100)=@known='trusted.overlay.metacopy\x00', &(0x7f0000000140)='\x00', 0x1, 0x3) r4 = dup2(r0, r3) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000240)=@IORING_OP_WRITE={0x17, 0x3, 0x2000, @fd=r4, 0xb, &(0x7f0000000200)="ab6f4bae8f5b1948041225131543bdc1c7a39677938f53c1e2bee409cdaf716887d83b15c0e0ae727a74fec36f", 0x2d, 0x10}, 0x7) [ 617.419833][T11506] EXT4-fs (loop5): unable to read superblock [ 617.450856][T11541] 9pnet: Insufficient options for proto=fd [ 617.482245][T11541] 9pnet: Insufficient options for proto=fd 11:50:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x8d}, 0x0) r0 = getpid() sched_setattr(0x0, &(0x7f0000000140)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) sched_setattr(r0, &(0x7f0000000240)={0x38, 0x2, 0x0, 0x0, 0x5}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setattr(r0, &(0x7f00000000c0)={0x38, 0x2, 0x0, 0x5, 0x9, 0x831, 0x3, 0x40, 0x3, 0x5}, 0x0) creat(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$binfmt_misc(r2, 0x0, 0x0) mount$9p_fd(0xa3c76661, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r3}, 0x2c, {'wfdno', 0x3d, r4}}) 11:50:38 executing program 0: r0 = semget$private(0x0, 0x0, 0x0) semtimedop(0x0, 0x0, 0x0, 0x0) semctl$IPC_RMID(r0, 0x0, 0x0) unshare(0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x511, 0x4480, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) clock_gettime(0x0, &(0x7f00000001c0)={0x0, 0x0}) semtimedop(r0, &(0x7f0000000180)=[{0x0, 0xfffa, 0x1000}, {0x2, 0x1}, {0x1}, {0x0, 0xfffe}, {0x0, 0x40, 0x1000}, {0x0, 0x0, 0x800}, {0x6, 0xe4b3, 0x800}, {0x0, 0x0, 0x1800}], 0x8, &(0x7f0000000200)={r2, r3+60000000}) clock_settime(0x7, &(0x7f00000000c0)={0x77359400}) futex(&(0x7f0000000240), 0x0, 0x2, &(0x7f0000000440), &(0x7f0000000480)=0x1, 0x1) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0xb) timerfd_settime(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000140)) r4 = ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, r4) clock_nanosleep(0x5, 0x0, &(0x7f0000000380), &(0x7f00000003c0)) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0xb) r5 = perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0xc1, 0x1, 0x3d, 0x0, 0x0, 0x2, 0x44000, 0x0, 0x1,