cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:45 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:45 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0f) [ 930.502372][ T589] overlayfs: failed to resolve './file0': -2 05:31:46 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0e) 05:31:46 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0e) [ 930.613257][ T589] fuse: Bad value for 'max_read' [ 930.795993][ T590] fuse: Bad value for 'fd' 05:31:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 931.046729][ T602] overlayfs: failed to resolve './file0': -2 [ 931.160804][ T604] fuse: Bad value for 'fd' [ 931.355794][ T608] overlayfs: failed to resolve './file0': -2 [ 931.422392][ T609] fuse: Bad value for 'fd' 05:31:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:47 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) 05:31:47 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 931.637215][ T611] overlayfs: failed to resolve './file0': -2 05:31:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) [ 931.729084][ T614] fuse: Bad value for 'fd' 05:31:47 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 05:31:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) 05:31:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 932.009631][ T26] kauditd_printk_skb: 25 callbacks suppressed [ 932.009675][ T26] audit: type=1804 audit(1580103107.476:3579): pid=616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir406806718/syzkaller.zRn3et/743/bus/bus" dev="sda1" ino=16553 res=1 [ 932.070789][ T628] fuse: Bad value for 'fd' 05:31:47 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0d) 05:31:47 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) sendfile(r0, r1, 0x0, 0x40d09) [ 932.246087][ T26] audit: type=1804 audit(1580103107.716:3580): pid=625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir867208201/syzkaller.o97jlz/350/bus/bus" dev="overlay" ino=16526 res=1 [ 932.377779][ T732] fuse: Bad value for 'fd' [ 932.383553][ T26] audit: type=1804 audit(1580103107.716:3581): pid=626 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir823258689/syzkaller.iYsrZ3/887/bus/bus" dev="overlay" ino=16693 res=1 05:31:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0c) 05:31:48 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0f) [ 932.579352][ T26] audit: type=1804 audit(1580103107.856:3582): pid=629 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir292020216/syzkaller.bymCKF/895/bus/bus" dev="overlay" ino=16695 res=1 [ 932.712160][ T26] audit: type=1804 audit(1580103107.926:3583): pid=731 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/859/bus" dev="sda1" ino=16530 res=1 05:31:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0c) [ 932.867825][ T26] audit: type=1804 audit(1580103108.276:3584): pid=739 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir406806718/syzkaller.zRn3et/744/bus/bus" dev="overlay" ino=16537 res=1 [ 932.992274][ T26] audit: type=1804 audit(1580103108.386:3585): pid=738 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir369163936/syzkaller.0kB5OL/734/bus/bus" dev="overlay" ino=16536 res=1 05:31:48 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0c) [ 933.184280][ T748] fuse: Bad value for 'max_read' [ 933.222746][ T26] audit: type=1804 audit(1580103108.686:3586): pid=744 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir823258689/syzkaller.iYsrZ3/888/bus/bus" dev="overlay" ino=16617 res=1 [ 933.356589][ T26] audit: type=1804 audit(1580103108.736:3587): pid=748 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/860/bus" dev="sda1" ino=16629 res=1 05:31:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:48 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0d) [ 933.468319][ T26] audit: type=1804 audit(1580103108.776:3588): pid=745 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir292020216/syzkaller.bymCKF/896/bus/bus" dev="overlay" ino=16643 res=1 05:31:49 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0f) [ 933.751259][ T759] fuse: Bad value for 'fd' 05:31:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0b) 05:31:49 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 934.343478][ T768] fuse: Bad value for 'max_read' [ 934.361232][ T775] overlayfs: failed to resolve './file1': -2 05:31:49 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0d) 05:31:49 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) [ 934.454074][ T776] fuse: Bad value for 'fd' 05:31:50 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) 05:31:50 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:50 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) [ 934.870274][ T790] overlayfs: failed to resolve './file1': -2 [ 934.945761][ T791] fuse: Bad value for 'fd' 05:31:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) 05:31:50 executing program 0: mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:51 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d04) 05:31:51 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(0x0, 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 935.622632][ T800] overlayfs: failed to resolve './file1': -2 05:31:51 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) [ 935.719915][ T804] fuse: Bad value for 'fd' 05:31:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d08) 05:31:51 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:51 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d06) 05:31:51 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) [ 936.229586][ T816] overlayfs: failed to resolve './file1': -2 [ 936.338029][ T819] fuse: Bad value for 'fd' 05:31:52 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d0a) 05:31:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d05) 05:31:52 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d05) [ 937.005419][ T832] overlayfs: failed to resolve './file1': -2 [ 937.123468][ T832] fuse: Bad value for 'max_read' 05:31:52 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(0x0, 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 937.219215][ T26] kauditd_printk_skb: 24 callbacks suppressed [ 937.219282][ T26] audit: type=1804 audit(1580103112.666:3613): pid=832 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/866/bus/bus" dev="sda1" ino=16581 res=1 05:31:52 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(0x0, 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 937.347599][ T26] audit: type=1804 audit(1580103112.726:3614): pid=837 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir823258689/syzkaller.iYsrZ3/892/bus/bus" dev="overlay" ino=16624 res=1 [ 937.397462][ T26] audit: type=1804 audit(1580103112.736:3615): pid=835 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir823258689/syzkaller.iYsrZ3/892/bus/bus" dev="overlay" ino=16624 res=1 05:31:53 executing program 0: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:53 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(0x0, 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 937.694901][ T26] audit: type=1804 audit(1580103112.786:3616): pid=828 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir369163936/syzkaller.0kB5OL/738/bus/bus" dev="overlay" ino=16611 res=1 05:31:53 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d04) [ 937.787690][ T845] overlayfs: failed to resolve './file1': -2 [ 937.858961][ T26] audit: type=1804 audit(1580103112.796:3617): pid=833 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir406806718/syzkaller.zRn3et/748/bus/bus" dev="overlay" ino=16610 res=1 [ 937.915138][ T845] fuse: Bad value for 'max_read' 05:31:53 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d03) [ 937.974298][ T26] audit: type=1804 audit(1580103113.096:3618): pid=839 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir867208201/syzkaller.o97jlz/355/bus/bus" dev="overlay" ino=16613 res=1 [ 938.059926][ T26] audit: type=1804 audit(1580103113.426:3619): pid=849 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/867/bus/bus" dev="sda1" ino=16581 res=1 05:31:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d06) 05:31:53 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(0x0, 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 938.108860][ T26] audit: type=1804 audit(1580103113.436:3620): pid=843 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir292020216/syzkaller.bymCKF/901/bus/bus" dev="overlay" ino=16611 res=1 05:31:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 938.147328][ T26] audit: type=1804 audit(1580103113.506:3621): pid=848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir369163936/syzkaller.0kB5OL/739/bus/bus" dev="overlay" ino=16637 res=1 05:31:53 executing program 5: mkdir(0x0, 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 938.298034][ T26] audit: type=1804 audit(1580103113.686:3622): pid=852 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir867208201/syzkaller.o97jlz/356/bus/bus" dev="overlay" ino=16534 res=1 [ 938.477725][ T865] fuse: Bad value for 'fd' [ 938.496938][ T868] overlayfs: failed to resolve './file1': -2 05:31:54 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d03) [ 938.634158][ T870] fuse: Bad value for 'fd' 05:31:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) 05:31:54 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 939.076928][ T879] fuse: Bad value for 'fd' 05:31:54 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) 05:31:54 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) 05:31:54 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) 05:31:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) [ 939.781662][ T888] fuse: Bad value for 'max_read' 05:31:55 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:55 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 940.159553][ T898] overlayfs: failed to resolve './file0': -2 [ 940.233333][ T899] fuse: Bad value for 'fd' 05:31:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x0) 05:31:55 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) 05:31:56 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:56 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x0) 05:31:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d03) [ 940.848126][ T911] overlayfs: failed to resolve './file0': -2 05:31:56 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) 05:31:56 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d09) [ 940.954148][ T911] fuse: Bad value for 'max_read' 05:31:56 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, 0xffffffffffffffff, 0x0, 0x40d09) 05:31:56 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) 05:31:56 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 941.541379][ T932] overlayfs: failed to resolve './file0': -2 05:31:57 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, 0xffffffffffffffff, 0x0, 0x40d09) [ 941.634100][ T936] fuse: Bad value for 'fd' 05:31:57 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(0xffffffffffffffff, r1, 0x0, 0x40d09) 05:31:57 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:57 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, 0xffffffffffffffff, 0x0, 0x40d09) 05:31:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(0x0, 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:57 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(0xffffffffffffffff, r1, 0x0, 0x40d09) [ 942.244662][ T26] kauditd_printk_skb: 28 callbacks suppressed [ 942.244683][ T26] audit: type=1804 audit(1580103117.706:3651): pid=943 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir406806718/syzkaller.zRn3et/753/bus/bus" dev="overlay" ino=16535 res=1 [ 942.264197][ T945] fuse: Bad value for 'max_read' 05:31:57 executing program 4 (fault-call:10 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 942.400974][ T954] overlayfs: failed to resolve './file0': -2 [ 942.468374][ T26] audit: type=1804 audit(1580103117.816:3652): pid=947 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/874/bus/bus" dev="sda1" ino=16541 res=1 05:31:58 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 942.529085][ T959] fuse: Bad value for 'fd' 05:31:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) [ 942.661779][ T26] audit: type=1804 audit(1580103118.126:3653): pid=955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir369163936/syzkaller.0kB5OL/744/bus/bus" dev="overlay" ino=16590 res=1 [ 942.799785][ T961] FAULT_INJECTION: forcing a failure. [ 942.799785][ T961] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 942.819346][ T26] audit: type=1804 audit(1580103118.166:3654): pid=954 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir823258689/syzkaller.iYsrZ3/896/bus/bus" dev="sda1" ino=16627 res=1 [ 942.833217][ T965] fuse: Bad value for 'fd' 05:31:58 executing program 5 (fault-call:9 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) [ 942.884932][ T961] CPU: 1 PID: 961 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 942.893765][ T961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 942.906970][ T961] Call Trace: [ 942.910456][ T961] dump_stack+0x11d/0x181 [ 942.914900][ T961] should_fail.cold+0xa/0x1a [ 942.919772][ T961] should_fail_alloc_page+0x50/0x60 [ 942.925131][ T961] __alloc_pages_nodemask+0xd2/0x310 [ 942.930453][ T961] alloc_pages_current+0xd1/0x170 [ 942.935511][ T961] __page_cache_alloc+0x183/0x1a0 [ 942.940596][ T961] pagecache_get_page+0x24b/0x6f0 [ 942.945627][ T961] ? inode_io_list_move_locked+0xf2/0x200 [ 942.951501][ T961] grab_cache_page_write_begin+0x5d/0x90 [ 942.958053][ T961] ext4_da_write_begin+0x1a3/0x840 [ 942.963171][ T961] ? generic_update_time+0x110/0x270 [ 942.968628][ T961] ? iov_iter_fault_in_readable+0x15c/0x2b0 [ 942.974531][ T961] generic_perform_write+0x136/0x320 [ 942.979830][ T961] ext4_buffered_write_iter+0x143/0x290 [ 942.985516][ T961] ext4_file_write_iter+0xf4/0xd40 [ 942.990705][ T961] ? common_file_perm+0x1d5/0x490 [ 942.995859][ T961] do_iter_readv_writev+0x487/0x5b0 [ 943.001111][ T961] ? security_file_permission+0x88/0x280 [ 943.006899][ T961] do_iter_write+0x13b/0x3c0 [ 943.011663][ T961] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 943.017594][ T961] vfs_iter_write+0x5c/0x80 [ 943.022102][ T961] ovl_write_iter+0x366/0x550 [ 943.027404][ T961] new_sync_write+0x388/0x4a0 [ 943.032261][ T961] ? __rcu_read_unlock+0x66/0x3d0 [ 943.037402][ T961] __vfs_write+0xb1/0xc0 [ 943.041802][ T961] vfs_write+0x18a/0x390 [ 943.046119][ T961] ksys_write+0xd5/0x1b0 [ 943.050390][ T961] __x64_sys_write+0x4c/0x60 [ 943.055326][ T961] do_syscall_64+0xcc/0x3a0 [ 943.059993][ T961] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 943.066042][ T961] RIP: 0033:0x45b349 [ 943.070043][ T961] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 943.089654][ T961] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 943.098372][ T961] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 943.107270][ T961] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 943.115386][ T961] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 943.127957][ T961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 943.135930][ T961] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000000 05:31:58 executing program 2 (fault-call:10 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 943.183444][ T26] audit: type=1804 audit(1580103118.256:3655): pid=958 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir292020216/syzkaller.bymCKF/907/bus/bus" dev="overlay" ino=16525 res=1 05:31:58 executing program 3 (fault-call:10 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 943.299080][ T26] audit: type=1804 audit(1580103118.716:3656): pid=964 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/875/bus/bus" dev="sda1" ino=16589 res=1 [ 943.373828][ T973] FAULT_INJECTION: forcing a failure. [ 943.373828][ T973] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 943.419114][ T973] CPU: 0 PID: 973 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0 [ 943.428365][ T973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 943.439040][ T973] Call Trace: [ 943.442441][ T973] dump_stack+0x11d/0x181 [ 943.446941][ T973] should_fail.cold+0xa/0x1a [ 943.451823][ T973] should_fail_alloc_page+0x50/0x60 [ 943.457187][ T973] __alloc_pages_nodemask+0xd2/0x310 [ 943.462672][ T973] alloc_pages_current+0xd1/0x170 [ 943.467808][ T973] __page_cache_alloc+0x183/0x1a0 [ 943.473176][ T973] pagecache_get_page+0x24b/0x6f0 [ 943.478352][ T973] ? inode_io_list_move_locked+0xf2/0x200 [ 943.484444][ T973] grab_cache_page_write_begin+0x5d/0x90 [ 943.490098][ T973] ext4_da_write_begin+0x1a3/0x840 [ 943.495430][ T973] ? generic_update_time+0x110/0x270 [ 943.500733][ T973] ? iov_iter_fault_in_readable+0x15c/0x2b0 [ 943.506946][ T973] generic_perform_write+0x136/0x320 [ 943.512428][ T973] ext4_buffered_write_iter+0x143/0x290 [ 943.516813][ T976] FAULT_INJECTION: forcing a failure. [ 943.516813][ T976] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 943.518312][ T973] ext4_file_write_iter+0xf4/0xd40 [ 943.518341][ T973] ? common_file_perm+0x1d5/0x490 [ 943.543097][ T973] do_iter_readv_writev+0x487/0x5b0 [ 943.548319][ T973] ? security_file_permission+0x88/0x280 [ 943.553990][ T973] do_iter_write+0x13b/0x3c0 [ 943.558608][ T973] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 943.564623][ T973] vfs_iter_write+0x5c/0x80 [ 943.569401][ T973] ovl_write_iter+0x366/0x550 [ 943.574306][ T973] new_sync_write+0x388/0x4a0 [ 943.579263][ T973] ? __rcu_read_unlock+0x66/0x3d0 [ 943.584427][ T973] __vfs_write+0xb1/0xc0 [ 943.588754][ T973] vfs_write+0x18a/0x390 [ 943.593048][ T973] ksys_write+0xd5/0x1b0 [ 943.597314][ T973] __x64_sys_write+0x4c/0x60 [ 943.601937][ T973] do_syscall_64+0xcc/0x3a0 [ 943.606525][ T973] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 943.612538][ T973] RIP: 0033:0x45b349 [ 943.616457][ T973] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 943.636698][ T973] RSP: 002b:00007f8ebd7f3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 943.641538][ T978] FAULT_INJECTION: forcing a failure. [ 943.641538][ T978] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 943.645349][ T973] RAX: ffffffffffffffda RBX: 00007f8ebd7f46d4 RCX: 000000000045b349 [ 943.645360][ T973] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 943.645371][ T973] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 943.645381][ T973] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 943.645390][ T973] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000000 [ 943.645827][ T26] audit: type=1804 audit(1580103118.916:3657): pid=968 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir867208201/syzkaller.o97jlz/361/bus/bus" dev="overlay" ino=16525 res=1 [ 943.684626][ T976] CPU: 1 PID: 976 Comm: syz-executor.2 Not tainted 5.5.0-rc1-syzkaller #0 [ 943.732968][ T976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 943.743138][ T976] Call Trace: [ 943.746437][ T976] dump_stack+0x11d/0x181 [ 943.750844][ T976] should_fail.cold+0xa/0x1a [ 943.755446][ T976] should_fail_alloc_page+0x50/0x60 [ 943.760651][ T976] __alloc_pages_nodemask+0xd2/0x310 [ 943.766002][ T976] alloc_pages_current+0xd1/0x170 [ 943.771034][ T976] __page_cache_alloc+0x183/0x1a0 [ 943.776065][ T976] pagecache_get_page+0x24b/0x6f0 [ 943.781178][ T976] ? inode_io_list_move_locked+0xf2/0x200 [ 943.786994][ T976] grab_cache_page_write_begin+0x5d/0x90 [ 943.792627][ T976] ext4_da_write_begin+0x1a3/0x840 [ 943.797767][ T976] ? generic_update_time+0x110/0x270 [ 943.803059][ T976] ? iov_iter_fault_in_readable+0x15c/0x2b0 [ 943.809238][ T976] generic_perform_write+0x136/0x320 [ 943.814541][ T976] ext4_buffered_write_iter+0x143/0x290 [ 943.820096][ T976] ext4_file_write_iter+0xf4/0xd40 [ 943.825212][ T976] ? common_file_perm+0x1d5/0x490 [ 943.830252][ T976] do_iter_readv_writev+0x487/0x5b0 [ 943.835453][ T976] ? security_file_permission+0x88/0x280 [ 943.841170][ T976] do_iter_write+0x13b/0x3c0 [ 943.845769][ T976] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 943.851696][ T976] vfs_iter_write+0x5c/0x80 [ 943.856203][ T976] ovl_write_iter+0x366/0x550 [ 943.860944][ T976] new_sync_write+0x388/0x4a0 [ 943.865681][ T976] ? __rcu_read_unlock+0x66/0x3d0 [ 943.870737][ T976] __vfs_write+0xb1/0xc0 [ 943.875139][ T976] vfs_write+0x18a/0x390 [ 943.879395][ T976] ksys_write+0xd5/0x1b0 [ 943.883687][ T976] __x64_sys_write+0x4c/0x60 [ 943.888482][ T976] do_syscall_64+0xcc/0x3a0 [ 943.893009][ T976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 943.898914][ T976] RIP: 0033:0x45b349 [ 943.902918][ T976] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 943.922938][ T976] RSP: 002b:00007f79e07b8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 943.931482][ T976] RAX: ffffffffffffffda RBX: 00007f79e07b96d4 RCX: 000000000045b349 [ 943.939695][ T976] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 943.947982][ T976] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 943.956220][ T976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 05:31:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, 0x0, &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 943.964642][ T976] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000000 [ 943.994609][ T978] CPU: 1 PID: 978 Comm: syz-executor.3 Not tainted 5.5.0-rc1-syzkaller #0 [ 944.003287][ T978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.013515][ T978] Call Trace: [ 944.016826][ T978] dump_stack+0x11d/0x181 [ 944.021600][ T978] should_fail.cold+0xa/0x1a [ 944.026747][ T978] should_fail_alloc_page+0x50/0x60 [ 944.031970][ T978] __alloc_pages_nodemask+0xd2/0x310 [ 944.037285][ T978] alloc_pages_current+0xd1/0x170 [ 944.042378][ T978] __page_cache_alloc+0x183/0x1a0 [ 944.047516][ T978] pagecache_get_page+0x24b/0x6f0 [ 944.052619][ T978] ? inode_io_list_move_locked+0xf2/0x200 [ 944.058374][ T978] grab_cache_page_write_begin+0x5d/0x90 [ 944.064114][ T978] ext4_da_write_begin+0x1a3/0x840 [ 944.069367][ T978] ? generic_update_time+0x110/0x270 [ 944.074678][ T978] ? iov_iter_fault_in_readable+0x15c/0x2b0 [ 944.080680][ T978] generic_perform_write+0x136/0x320 [ 944.086150][ T978] ext4_buffered_write_iter+0x143/0x290 [ 944.091776][ T978] ext4_file_write_iter+0xf4/0xd40 [ 944.096970][ T978] ? common_file_perm+0x1d5/0x490 [ 944.102021][ T978] do_iter_readv_writev+0x487/0x5b0 [ 944.107464][ T978] ? security_file_permission+0x88/0x280 [ 944.108048][ T983] fuse: Bad value for 'max_read' [ 944.113246][ T978] do_iter_write+0x13b/0x3c0 [ 944.113271][ T978] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 944.113293][ T978] vfs_iter_write+0x5c/0x80 [ 944.113391][ T978] ovl_write_iter+0x366/0x550 [ 944.138759][ T978] new_sync_write+0x388/0x4a0 [ 944.143459][ T978] ? __rcu_read_unlock+0x66/0x3d0 [ 944.148643][ T978] __vfs_write+0xb1/0xc0 [ 944.151659][ T26] audit: type=1804 audit(1580103119.466:3658): pid=983 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/876/bus/bus" dev="sda1" ino=16610 res=1 [ 944.152980][ T978] vfs_write+0x18a/0x390 [ 944.153010][ T978] ksys_write+0xd5/0x1b0 [ 944.186438][ T978] __x64_sys_write+0x4c/0x60 [ 944.191224][ T978] do_syscall_64+0xcc/0x3a0 [ 944.195758][ T978] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 944.201663][ T978] RIP: 0033:0x45b349 [ 944.205634][ T978] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 944.227215][ T978] RSP: 002b:00007feee2631c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 944.235930][ T978] RAX: ffffffffffffffda RBX: 00007feee26326d4 RCX: 000000000045b349 05:31:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r1 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r0, 0x0, 0x2) sendfile(r0, r1, 0x0, 0x40d02) 05:31:59 executing program 5 (fault-call:9 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) 05:31:59 executing program 4 (fault-call:10 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 944.243911][ T978] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 944.252066][ T978] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 944.260264][ T978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 944.268366][ T978] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000000 05:31:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:31:59 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 944.563498][ T992] FAULT_INJECTION: forcing a failure. [ 944.563498][ T992] name failslab, interval 1, probability 0, space 0, times 0 [ 944.622503][ T995] FAULT_INJECTION: forcing a failure. [ 944.622503][ T995] name failslab, interval 1, probability 0, space 0, times 0 [ 944.645445][ T988] fuse: Bad value for 'max_read' [ 944.651051][ T992] CPU: 0 PID: 992 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 944.659916][ T992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 944.670441][ T992] Call Trace: [ 944.674096][ T992] dump_stack+0x11d/0x181 [ 944.678580][ T992] should_fail.cold+0xa/0x1a [ 944.683391][ T992] __should_failslab+0xee/0x130 [ 944.688666][ T992] should_failslab+0x9/0x14 [ 944.693707][ T992] __kmalloc+0x53/0x690 [ 944.698180][ T992] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 944.704312][ T992] ? preempt_count_add+0x48/0xb0 [ 944.709359][ T992] ? kernel_init_free_pages+0x7b/0xb0 [ 944.715114][ T992] ? ext4_find_extent+0x4ef/0x5c0 [ 944.720273][ T992] ext4_find_extent+0x4ef/0x5c0 [ 944.725510][ T992] ext4_ext_map_blocks+0xe9/0x2320 [ 944.730743][ T992] ? __this_cpu_preempt_check+0x45/0x140 [ 944.736643][ T992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 944.743448][ T992] ? ext4_es_lookup_extent+0x241/0x580 [ 944.749237][ T992] ext4_da_get_block_prep+0x755/0xa60 [ 944.755081][ T992] ? _raw_spin_unlock+0x4b/0x60 [ 944.759966][ T992] ? create_empty_buffers+0x20c/0x3e0 [ 944.765569][ T992] ext4_block_write_begin+0x33e/0xba0 [ 944.771406][ T992] ? ext4_bmap+0x220/0x220 [ 944.775892][ T992] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 944.781960][ T992] ext4_da_write_begin+0x208/0x840 [ 944.787223][ T992] generic_perform_write+0x136/0x320 [ 944.792821][ T992] ext4_buffered_write_iter+0x143/0x290 [ 944.798593][ T992] ext4_file_write_iter+0xf4/0xd40 [ 944.804025][ T992] ? common_file_perm+0x1d5/0x490 [ 944.809433][ T992] do_iter_readv_writev+0x487/0x5b0 [ 944.814683][ T26] audit: type=1804 audit(1580103120.156:3659): pid=988 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/877/bus/bus" dev="sda1" ino=16643 res=1 [ 944.814855][ T992] ? security_file_permission+0x88/0x280 [ 944.846520][ T992] do_iter_write+0x13b/0x3c0 [ 944.851687][ T992] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 944.858087][ T992] vfs_iter_write+0x5c/0x80 [ 944.862619][ T992] ovl_write_iter+0x366/0x550 [ 944.867893][ T992] new_sync_write+0x388/0x4a0 [ 944.872599][ T992] ? __rcu_read_unlock+0x66/0x3d0 [ 944.878774][ T992] __vfs_write+0xb1/0xc0 [ 944.883140][ T992] vfs_write+0x18a/0x390 [ 944.887582][ T992] ksys_write+0xd5/0x1b0 [ 944.892011][ T992] __x64_sys_write+0x4c/0x60 [ 944.896852][ T992] do_syscall_64+0xcc/0x3a0 [ 944.902067][ T992] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 944.908624][ T992] RIP: 0033:0x45b349 [ 944.912648][ T992] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 944.933090][ T992] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 944.942017][ T992] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 944.950406][ T992] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 944.959312][ T992] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 944.967617][ T992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 944.976039][ T992] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000001 [ 944.984557][ T26] audit: type=1804 audit(1580103120.196:3660): pid=1003 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir867208201/syzkaller.o97jlz/362/bus/bus" dev="overlay" ino=16659 res=1 [ 945.014753][ T995] CPU: 1 PID: 995 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0 [ 945.023706][ T995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 945.035038][ T995] Call Trace: [ 945.038352][ T995] dump_stack+0x11d/0x181 [ 945.043162][ T995] should_fail.cold+0xa/0x1a [ 945.048125][ T995] __should_failslab+0xee/0x130 [ 945.052999][ T995] should_failslab+0x9/0x14 [ 945.058030][ T995] __kmalloc+0x53/0x690 [ 945.062297][ T995] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 945.068461][ T995] ? preempt_count_add+0x48/0xb0 [ 945.073978][ T995] ? kernel_init_free_pages+0x7b/0xb0 [ 945.079643][ T995] ? ext4_find_extent+0x4ef/0x5c0 [ 945.085418][ T995] ext4_find_extent+0x4ef/0x5c0 [ 945.090703][ T995] ext4_ext_map_blocks+0xe9/0x2320 [ 945.095851][ T995] ? __this_cpu_preempt_check+0x45/0x140 [ 945.102012][ T995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 945.109127][ T995] ? ext4_es_lookup_extent+0x241/0x580 [ 945.114757][ T995] ext4_da_get_block_prep+0x755/0xa60 [ 945.120368][ T995] ? _raw_spin_unlock+0x4b/0x60 [ 945.125600][ T995] ? create_empty_buffers+0x20c/0x3e0 [ 945.133582][ T995] ext4_block_write_begin+0x33e/0xba0 [ 945.139387][ T995] ? ext4_bmap+0x220/0x220 [ 945.144391][ T995] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 945.150734][ T995] ext4_da_write_begin+0x208/0x840 [ 945.156269][ T995] generic_perform_write+0x136/0x320 [ 945.161833][ T995] ext4_buffered_write_iter+0x143/0x290 [ 945.167855][ T995] ext4_file_write_iter+0xf4/0xd40 [ 945.173373][ T995] ? common_file_perm+0x1d5/0x490 [ 945.178721][ T995] do_iter_readv_writev+0x487/0x5b0 [ 945.184183][ T995] ? security_file_permission+0x88/0x280 [ 945.190148][ T995] do_iter_write+0x13b/0x3c0 [ 945.195130][ T995] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 945.201734][ T995] vfs_iter_write+0x5c/0x80 [ 945.206495][ T995] ovl_write_iter+0x366/0x550 [ 945.211251][ T995] new_sync_write+0x388/0x4a0 [ 945.216125][ T995] ? __rcu_read_unlock+0x66/0x3d0 [ 945.221917][ T995] __vfs_write+0xb1/0xc0 [ 945.226476][ T995] vfs_write+0x18a/0x390 [ 945.230987][ T995] ksys_write+0xd5/0x1b0 [ 945.235658][ T995] __x64_sys_write+0x4c/0x60 [ 945.240438][ T995] do_syscall_64+0xcc/0x3a0 [ 945.246264][ T995] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 945.252872][ T995] RIP: 0033:0x45b349 [ 945.257144][ T995] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 945.274905][ T1011] fuse: Bad value for 'max_read' [ 945.278270][ T995] RSP: 002b:00007f8ebd7f3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 945.278351][ T995] RAX: ffffffffffffffda RBX: 00007f8ebd7f46d4 RCX: 000000000045b349 [ 945.300445][ T995] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 945.308964][ T995] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 945.317684][ T995] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 05:32:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:00 executing program 4 (fault-call:10 fault-nth:2): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 945.325801][ T995] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000001 05:32:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x4, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:01 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:01 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 945.640754][ T1016] FAULT_INJECTION: forcing a failure. [ 945.640754][ T1016] name failslab, interval 1, probability 0, space 0, times 0 [ 945.654180][ T1016] CPU: 0 PID: 1016 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 945.654774][ T1018] overlayfs: filesystem on './file0' not supported as upperdir [ 945.663631][ T1016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 945.663680][ T1016] Call Trace: [ 945.663807][ T1016] dump_stack+0x11d/0x181 [ 945.690173][ T1016] should_fail.cold+0xa/0x1a [ 945.695047][ T1016] __should_failslab+0xee/0x130 [ 945.699942][ T1016] should_failslab+0x9/0x14 [ 945.704863][ T1016] kmem_cache_alloc+0x29/0x5d0 [ 945.709930][ T1016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 945.716529][ T1016] ? kernel_fpu_end+0x5c/0x80 [ 945.721409][ T1016] __es_insert_extent+0x1f0/0x880 [ 945.726597][ T1016] ? __read_once_size.constprop.0+0x12/0x20 [ 945.732772][ T1016] ext4_es_insert_extent+0x1c0/0x5c0 [ 945.738087][ T1016] ? ext4_es_find_extent_range+0x8d/0x260 [ 945.744250][ T1016] ? ext4_find_extent+0x4ef/0x5c0 [ 945.749520][ T1016] ext4_ext_put_gap_in_cache+0xb8/0xf0 [ 945.755392][ T1016] ext4_ext_map_blocks+0x1157/0x2320 [ 945.760863][ T1016] ? __this_cpu_preempt_check+0x45/0x140 [ 945.766943][ T1016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 945.773477][ T1016] ? ext4_es_lookup_extent+0x241/0x580 [ 945.779218][ T1016] ext4_da_get_block_prep+0x755/0xa60 [ 945.784927][ T1016] ? _raw_spin_unlock+0x4b/0x60 [ 945.789839][ T1016] ? create_empty_buffers+0x20c/0x3e0 [ 945.795248][ T1016] ext4_block_write_begin+0x33e/0xba0 [ 945.801078][ T1016] ? ext4_bmap+0x220/0x220 [ 945.805644][ T1016] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 945.811875][ T1016] ext4_da_write_begin+0x208/0x840 [ 945.817417][ T1016] generic_perform_write+0x136/0x320 [ 945.823208][ T1016] ext4_buffered_write_iter+0x143/0x290 [ 945.829063][ T1016] ext4_file_write_iter+0xf4/0xd40 [ 945.834698][ T1016] ? common_file_perm+0x1d5/0x490 [ 945.840203][ T1016] do_iter_readv_writev+0x487/0x5b0 [ 945.845932][ T1016] ? security_file_permission+0x88/0x280 [ 945.851930][ T1016] do_iter_write+0x13b/0x3c0 [ 945.856994][ T1016] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 945.863713][ T1016] vfs_iter_write+0x5c/0x80 [ 945.865208][ T1030] fuse: Bad value for 'fd' [ 945.868391][ T1016] ovl_write_iter+0x366/0x550 [ 945.868447][ T1016] new_sync_write+0x388/0x4a0 [ 945.882595][ T1016] ? __rcu_read_unlock+0x66/0x3d0 [ 945.887960][ T1016] __vfs_write+0xb1/0xc0 [ 945.891403][ T1029] fuse: Bad value for 'max_read' [ 945.892335][ T1016] vfs_write+0x18a/0x390 [ 945.892357][ T1016] ksys_write+0xd5/0x1b0 [ 945.892383][ T1016] __x64_sys_write+0x4c/0x60 [ 945.892407][ T1016] do_syscall_64+0xcc/0x3a0 [ 945.892540][ T1016] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 945.922139][ T1016] RIP: 0033:0x45b349 05:32:01 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xa, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 945.926368][ T1016] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 945.946452][ T1016] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 945.955457][ T1016] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 945.963877][ T1016] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 945.971967][ T1016] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 945.980349][ T1016] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 05:32:01 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) [ 945.988689][ T1016] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000002 05:32:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, 0x0) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 946.123837][ T1034] overlayfs: filesystem on './file0' not supported as upperdir 05:32:01 executing program 4 (fault-call:10 fault-nth:3): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:01 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c007765726469723d2e2f6275732c0300722c75707065726469723d2e2f66696c6530009ccfd1508dcbd9f4d08b77602372f4a061191bc726640e411315f1eb420e1f76d075271bf26e727c96b75a11b1b22b23ca0f429ac7591b2976c6de7e78c97f5764f0d00ce0ee5809ec98ab34dd67544e20926c2c4561505566a0044da4373d81e993ad069342f63b32252a86977403de2d24a81127faa1fedb8c35f3a0a54c6ae848a58fe7e482293f4aecc78f1c90071d275c8480d48bf222f46692f5d125d8aa63f507b94c20242310e134d355ef"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x6, 0x10, 0xffffffffffffffff, 0x4000) link(&(0x7f00000000c0)='./file1\x00', &(0x7f00000001c0)='./file0\x00') write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x80800, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 946.311554][ T1043] overlayfs: filesystem on './file0' not supported as upperdir [ 946.357008][ T1048] overlayfs: missing 'lowerdir' 05:32:01 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 946.437403][ T1054] fuse: Bad value for 'fd' [ 946.480669][ T1053] FAULT_INJECTION: forcing a failure. [ 946.480669][ T1053] name failslab, interval 1, probability 0, space 0, times 0 [ 946.493879][ T1053] CPU: 1 PID: 1053 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 946.502641][ T1053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 946.513327][ T1053] Call Trace: [ 946.516769][ T1053] dump_stack+0x11d/0x181 [ 946.521388][ T1053] should_fail.cold+0xa/0x1a [ 946.526285][ T1053] __should_failslab+0xee/0x130 [ 946.531232][ T1053] should_failslab+0x9/0x14 [ 946.535926][ T1053] kmem_cache_alloc+0x29/0x5d0 [ 946.540761][ T1053] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 946.546580][ T1053] ? ext4_es_can_be_merged+0xfa/0x1b0 [ 946.552398][ T1053] __es_insert_extent+0x1f0/0x880 [ 946.557874][ T1053] ext4_es_insert_delayed_block+0x116/0x290 [ 946.563891][ T1053] ? _raw_spin_unlock+0x4b/0x60 [ 946.568777][ T1053] ext4_da_get_block_prep+0x4f1/0xa60 [ 946.574373][ T1053] ? create_empty_buffers+0x20c/0x3e0 [ 946.579997][ T1053] ext4_block_write_begin+0x33e/0xba0 [ 946.585405][ T1053] ? ext4_bmap+0x220/0x220 [ 946.589860][ T1053] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 946.595899][ T1053] ext4_da_write_begin+0x208/0x840 [ 946.601047][ T1053] generic_perform_write+0x136/0x320 [ 946.606756][ T1053] ext4_buffered_write_iter+0x143/0x290 [ 946.612405][ T1053] ext4_file_write_iter+0xf4/0xd40 [ 946.617675][ T1053] ? common_file_perm+0x1d5/0x490 [ 946.623100][ T1053] do_iter_readv_writev+0x487/0x5b0 [ 946.628770][ T1053] ? security_file_permission+0x88/0x280 [ 946.634703][ T1053] do_iter_write+0x13b/0x3c0 [ 946.639625][ T1053] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 946.645771][ T1053] vfs_iter_write+0x5c/0x80 [ 946.650613][ T1053] ovl_write_iter+0x366/0x550 [ 946.655436][ T1053] new_sync_write+0x388/0x4a0 [ 946.660541][ T1053] ? __rcu_read_unlock+0x66/0x3d0 [ 946.666089][ T1053] __vfs_write+0xb1/0xc0 [ 946.670542][ T1053] vfs_write+0x18a/0x390 [ 946.674946][ T1053] ksys_write+0xd5/0x1b0 [ 946.679541][ T1053] __x64_sys_write+0x4c/0x60 [ 946.684162][ T1053] do_syscall_64+0xcc/0x3a0 [ 946.689147][ T1053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 946.695538][ T1053] RIP: 0033:0x45b349 [ 946.699756][ T1053] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 946.720107][ T1053] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 05:32:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xf, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, 0x0) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:02 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x5, 0x8}, 0x10) [ 946.729062][ T1053] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 946.738047][ T1053] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 946.746157][ T1053] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 946.754186][ T1056] fuse: Bad value for 'max_read' [ 946.754561][ T1053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 946.754573][ T1053] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000003 [ 946.857477][ T1061] overlayfs: unrecognized mount option "l" or missing value [ 946.911241][ T1064] overlayfs: missing 'lowerdir' [ 946.951829][ T1066] overlayfs: unrecognized mount option "l" or missing value [ 946.996480][ T1076] fuse: Bad value for 'fd' 05:32:02 executing program 4 (fault-call:10 fault-nth:4): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 947.082958][ T1072] overlayfs: filesystem on './file0' not supported as upperdir 05:32:02 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) listxattr(&(0x7f0000000140)='./bus\x00', &(0x7f0000000300)=""/4096, 0x1000) write$binfmt_script(r1, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$VIDIOC_CROPCAP(r1, 0xc02c563a, &(0x7f00000000c0)={0x2, {0x1, 0x10001, 0x1ff}, {0x1, 0xafd7f219, 0xffffffc1, 0xee5c}, {0x9, 0x7}}) lseek(0xffffffffffffffff, 0x0, 0x0) [ 947.140617][ T1077] overlayfs: filesystem on './file0' not supported as upperdir 05:32:02 executing program 1 (fault-call:8 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) 05:32:02 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xa, 0x8}, 0x10) [ 947.349835][ T1187] FAULT_INJECTION: forcing a failure. [ 947.349835][ T1187] name failslab, interval 1, probability 0, space 0, times 0 [ 947.397258][ T1187] CPU: 0 PID: 1187 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 947.405888][ T1187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 947.416182][ T1187] Call Trace: [ 947.419744][ T1187] dump_stack+0x11d/0x181 [ 947.424168][ T1187] should_fail.cold+0xa/0x1a [ 947.426881][ T1190] FAULT_INJECTION: forcing a failure. [ 947.426881][ T1190] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 947.428830][ T1187] __should_failslab+0xee/0x130 [ 947.447131][ T1187] should_failslab+0x9/0x14 [ 947.451667][ T1187] kmem_cache_alloc+0x29/0x5d0 [ 947.456766][ T1187] ? _raw_spin_unlock_irq+0x68/0x80 [ 947.461982][ T1187] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 947.467987][ T1187] ? __write_once_size+0x41/0xe0 [ 947.473043][ T1187] ext4_init_io_end+0x4f/0x120 [ 947.477821][ T1187] ext4_writepages+0x94a/0x2500 [ 947.482756][ T1187] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 947.488348][ T1187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 947.494753][ T1187] ? ext4_mark_inode_dirty+0x420/0x420 [ 947.500278][ T1187] do_writepages+0x6b/0x170 [ 947.504946][ T1187] ? do_writepages+0x6b/0x170 [ 947.509639][ T1187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 947.516042][ T1187] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 947.521990][ T1187] __filemap_fdatawrite_range+0x1c5/0x230 [ 947.527738][ T1187] file_write_and_wait_range+0xfd/0x160 [ 947.533320][ T1187] ext4_sync_file+0x266/0xaf0 [ 947.538023][ T1187] ? generic_perform_write+0x274/0x320 [ 947.543523][ T1187] ? __read_once_size.constprop.0+0x20/0x20 [ 947.549458][ T1187] vfs_fsync_range+0x82/0x150 [ 947.554289][ T1187] ext4_buffered_write_iter+0x222/0x290 [ 947.559888][ T1187] ext4_file_write_iter+0xf4/0xd40 [ 947.565113][ T1187] ? common_file_perm+0x1d5/0x490 [ 947.570263][ T1187] do_iter_readv_writev+0x487/0x5b0 [ 947.575470][ T1187] ? security_file_permission+0x88/0x280 [ 947.581128][ T1187] do_iter_write+0x13b/0x3c0 [ 947.585802][ T1187] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 947.591710][ T1187] vfs_iter_write+0x5c/0x80 [ 947.596224][ T1187] ovl_write_iter+0x366/0x550 [ 947.601078][ T1187] new_sync_write+0x388/0x4a0 [ 947.605858][ T1187] ? __rcu_read_unlock+0x66/0x3d0 [ 947.611009][ T1187] __vfs_write+0xb1/0xc0 [ 947.615261][ T1187] vfs_write+0x18a/0x390 [ 947.619600][ T1187] ksys_write+0xd5/0x1b0 [ 947.623844][ T1187] __x64_sys_write+0x4c/0x60 [ 947.628444][ T1187] do_syscall_64+0xcc/0x3a0 [ 947.632961][ T1187] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 947.638853][ T1187] RIP: 0033:0x45b349 [ 947.642812][ T1187] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 947.662418][ T1187] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 947.670832][ T1187] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 947.678958][ T1187] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 947.686935][ T1187] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 947.695023][ T1187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 947.703115][ T1187] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000004 [ 947.711173][ T1190] CPU: 1 PID: 1190 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 947.719997][ T1190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 947.730077][ T1190] Call Trace: [ 947.733378][ T1190] dump_stack+0x11d/0x181 [ 947.737816][ T1190] should_fail.cold+0xa/0x1a [ 947.742434][ T1190] should_fail_alloc_page+0x50/0x60 [ 947.747692][ T1190] __alloc_pages_nodemask+0xd2/0x310 [ 947.753008][ T1190] alloc_pages_current+0xd1/0x170 [ 947.758051][ T1190] __page_cache_alloc+0x183/0x1a0 [ 947.763090][ T1190] pagecache_get_page+0x24b/0x6f0 [ 947.768135][ T1190] ? inode_io_list_move_locked+0xf2/0x200 [ 947.773881][ T1190] grab_cache_page_write_begin+0x5d/0x90 [ 947.779559][ T1190] ext4_da_write_begin+0x1a3/0x840 [ 947.784722][ T1190] ? generic_update_time+0x110/0x270 [ 947.790028][ T1190] ? iov_iter_fault_in_readable+0x15c/0x2b0 [ 947.796244][ T1190] generic_perform_write+0x136/0x320 [ 947.797290][ T1200] overlayfs: missing 'lowerdir' [ 947.801605][ T1190] ext4_buffered_write_iter+0x143/0x290 [ 947.801690][ T1190] ext4_file_write_iter+0xf4/0xd40 [ 947.817287][ T1190] ? common_file_perm+0x1d5/0x490 [ 947.822349][ T1190] do_iter_readv_writev+0x487/0x5b0 [ 947.827569][ T1190] ? security_file_permission+0x88/0x280 [ 947.833333][ T1190] do_iter_write+0x13b/0x3c0 [ 947.837948][ T1190] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 947.843865][ T1190] vfs_iter_write+0x5c/0x80 [ 947.848404][ T1190] ovl_write_iter+0x366/0x550 [ 947.853114][ T1190] new_sync_write+0x388/0x4a0 [ 947.856814][ T1200] fuse: Bad value for 'max_read' [ 947.857848][ T1190] ? __rcu_read_unlock+0x66/0x3d0 [ 947.857881][ T1190] __vfs_write+0xb1/0xc0 [ 947.872242][ T1190] vfs_write+0x18a/0x390 [ 947.876505][ T1190] ksys_write+0xd5/0x1b0 [ 947.880882][ T1190] __x64_sys_write+0x4c/0x60 [ 947.885497][ T1190] do_syscall_64+0xcc/0x3a0 [ 947.890035][ T1190] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 947.891858][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 947.891940][ T26] audit: type=1804 audit(1580103123.176:3668): pid=1200 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/882/bus/bus" dev="sda1" ino=16722 res=1 [ 947.896030][ T1190] RIP: 0033:0x45b349 05:32:03 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x10, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, 0x0) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 947.896056][ T1190] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 947.950885][ T1190] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 947.959589][ T1190] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 947.967576][ T1190] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 947.975768][ T1190] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 947.983749][ T1190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 947.991728][ T1190] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000000 [ 948.021205][ T1199] overlayfs: filesystem on './file0' not supported as upperdir 05:32:03 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xd, 0x8}, 0x10) 05:32:03 executing program 4 (fault-call:10 fault-nth:5): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 948.125047][ T1307] overlayfs: missing 'lowerdir' [ 948.208081][ T1311] fuse: Bad value for 'fd' 05:32:03 executing program 1 (fault-call:8 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 948.276816][ T1310] overlayfs: filesystem on './file0' not supported as upperdir [ 948.294669][ T26] audit: type=1804 audit(1580103123.756:3669): pid=1307 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/883/bus/bus" dev="sda1" ino=16531 res=1 05:32:03 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file1\x00', 0x0) chdir(&(0x7f00000002c0)='./bus\x00') open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_mount_image$nfs(&(0x7f00000000c0)='nfs\x00', &(0x7f0000000140)='./file0\x00', 0x6, 0x1, &(0x7f0000000200)=[{&(0x7f00000001c0)="120ae25208c5eb120b03433aa996575ece", 0x11, 0x1}], 0x1001000, &(0x7f0000000300)='\x00') fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) r3 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r3, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r3, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x200000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 948.419036][ T26] audit: type=1800 audit(1580103123.826:3670): pid=1312 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16583 res=0 [ 948.460230][ T1320] FAULT_INJECTION: forcing a failure. [ 948.460230][ T1320] name failslab, interval 1, probability 0, space 0, times 0 [ 948.502880][ T1319] overlayfs: filesystem on './file0' not supported as upperdir [ 948.514560][ T1320] CPU: 0 PID: 1320 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 948.523170][ T1320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 948.533230][ T1320] Call Trace: [ 948.536528][ T1320] dump_stack+0x11d/0x181 [ 948.540885][ T1320] should_fail.cold+0xa/0x1a [ 948.545502][ T1320] __should_failslab+0xee/0x130 [ 948.550370][ T1320] should_failslab+0x9/0x14 [ 948.554935][ T1320] kmem_cache_alloc+0x29/0x5d0 [ 948.559789][ T1320] ext4_init_io_end+0x4f/0x120 [ 948.564568][ T1320] ext4_writepages+0xd0e/0x2500 [ 948.569488][ T1320] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 948.575029][ T1320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 948.581329][ T1320] ? ext4_mark_inode_dirty+0x420/0x420 [ 948.586802][ T1320] do_writepages+0x6b/0x170 [ 948.591323][ T1320] ? do_writepages+0x6b/0x170 [ 948.596062][ T1320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 948.602325][ T1320] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 948.608373][ T1320] __filemap_fdatawrite_range+0x1c5/0x230 [ 948.614124][ T1320] file_write_and_wait_range+0xfd/0x160 [ 948.619688][ T1320] ext4_sync_file+0x266/0xaf0 [ 948.624457][ T1320] ? generic_perform_write+0x274/0x320 [ 948.629929][ T1320] ? __read_once_size.constprop.0+0x20/0x20 [ 948.635990][ T1320] vfs_fsync_range+0x82/0x150 [ 948.640676][ T1320] ext4_buffered_write_iter+0x222/0x290 [ 948.646270][ T1320] ext4_file_write_iter+0xf4/0xd40 [ 948.651397][ T1320] ? common_file_perm+0x1d5/0x490 [ 948.656530][ T1320] do_iter_readv_writev+0x487/0x5b0 [ 948.661743][ T1320] ? security_file_permission+0x88/0x280 [ 948.667414][ T1320] do_iter_write+0x13b/0x3c0 [ 948.672125][ T1320] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 948.678212][ T1320] vfs_iter_write+0x5c/0x80 [ 948.682819][ T1320] ovl_write_iter+0x366/0x550 [ 948.687560][ T1320] new_sync_write+0x388/0x4a0 [ 948.692252][ T1320] ? __rcu_read_unlock+0x66/0x3d0 [ 948.697298][ T1320] __vfs_write+0xb1/0xc0 [ 948.701549][ T1320] vfs_write+0x18a/0x390 [ 948.705908][ T1320] ksys_write+0xd5/0x1b0 [ 948.710190][ T1320] __x64_sys_write+0x4c/0x60 [ 948.714875][ T1320] do_syscall_64+0xcc/0x3a0 [ 948.719464][ T1320] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 948.725360][ T1320] RIP: 0033:0x45b349 [ 948.729464][ T1320] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 05:32:04 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x2}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 948.749704][ T1320] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 948.758116][ T1320] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 948.766161][ T1320] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 948.774152][ T1320] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 948.782129][ T1320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 948.790223][ T1320] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000005 05:32:04 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:04 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xf, 0x8}, 0x10) [ 948.934237][ T1343] FAULT_INJECTION: forcing a failure. [ 948.934237][ T1343] name failslab, interval 1, probability 0, space 0, times 0 [ 948.984963][ T1343] CPU: 0 PID: 1343 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 948.993704][ T1343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 949.003785][ T1343] Call Trace: [ 949.007100][ T1343] dump_stack+0x11d/0x181 [ 949.011450][ T1343] should_fail.cold+0xa/0x1a [ 949.016128][ T1343] __should_failslab+0xee/0x130 [ 949.020995][ T1343] should_failslab+0x9/0x14 [ 949.025513][ T1343] __kmalloc+0x53/0x690 [ 949.029731][ T1343] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 949.035635][ T1343] ? preempt_count_add+0x48/0xb0 [ 949.040655][ T1343] ? kernel_init_free_pages+0x7b/0xb0 [ 949.046110][ T1343] ? ext4_find_extent+0x4ef/0x5c0 [ 949.051144][ T1343] ext4_find_extent+0x4ef/0x5c0 [ 949.056086][ T1343] ext4_ext_map_blocks+0xe9/0x2320 [ 949.061205][ T1343] ? __this_cpu_preempt_check+0x45/0x140 [ 949.067031][ T1343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 949.073302][ T1343] ? ext4_es_lookup_extent+0x241/0x580 [ 949.078859][ T1343] ext4_da_get_block_prep+0x755/0xa60 [ 949.084246][ T1343] ? _raw_spin_unlock+0x4b/0x60 [ 949.089151][ T1343] ? create_empty_buffers+0x20c/0x3e0 [ 949.094622][ T1343] ext4_block_write_begin+0x33e/0xba0 [ 949.100011][ T1343] ? ext4_bmap+0x220/0x220 [ 949.104442][ T1343] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 949.110410][ T1343] ext4_da_write_begin+0x208/0x840 [ 949.115592][ T1343] generic_perform_write+0x136/0x320 [ 949.120920][ T1343] ext4_buffered_write_iter+0x143/0x290 [ 949.126548][ T1343] ext4_file_write_iter+0xf4/0xd40 [ 949.131738][ T1343] ? common_file_perm+0x1d5/0x490 [ 949.136922][ T1343] do_iter_readv_writev+0x487/0x5b0 [ 949.142266][ T1343] ? security_file_permission+0x88/0x280 [ 949.148070][ T1343] do_iter_write+0x13b/0x3c0 [ 949.152675][ T1343] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 949.158679][ T1343] vfs_iter_write+0x5c/0x80 [ 949.163233][ T1343] ovl_write_iter+0x366/0x550 [ 949.167935][ T1343] new_sync_write+0x388/0x4a0 [ 949.172661][ T1343] ? __rcu_read_unlock+0x66/0x3d0 [ 949.177726][ T1343] __vfs_write+0xb1/0xc0 [ 949.182005][ T1343] vfs_write+0x18a/0x390 [ 949.186367][ T1343] ksys_write+0xd5/0x1b0 [ 949.190620][ T1343] __x64_sys_write+0x4c/0x60 [ 949.195281][ T1343] do_syscall_64+0xcc/0x3a0 [ 949.199813][ T1343] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 949.205751][ T1343] RIP: 0033:0x45b349 [ 949.209658][ T1343] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 949.229316][ T1343] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 949.237911][ T1343] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 949.245887][ T1343] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 949.253921][ T1343] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 949.261917][ T1343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 949.269914][ T1343] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000001 [ 949.306235][ T1440] overlayfs: missing 'lowerdir' [ 949.370687][ T1440] fuse: Bad value for 'max_read' [ 949.385999][ T1441] overlayfs: filesystem on './file0' not supported as upperdir [ 949.414167][ T26] audit: type=1804 audit(1580103124.876:3671): pid=1440 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/884/bus/bus" dev="sda1" ino=16661 res=1 05:32:04 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 949.460377][ T26] audit: type=1800 audit(1580103124.906:3672): pid=1444 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16676 res=0 05:32:05 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:05 executing program 4 (fault-call:10 fault-nth:6): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:05 executing program 1 (fault-call:8 fault-nth:2): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 949.696969][ T1450] overlayfs: missing 'lowerdir' [ 949.831412][ T1459] FAULT_INJECTION: forcing a failure. [ 949.831412][ T1459] name failslab, interval 1, probability 0, space 0, times 0 [ 949.853049][ T1461] overlayfs: filesystem on './file0' not supported as upperdir [ 949.860242][ T1450] fuse: Bad value for 'max_read' [ 949.871744][ T1457] overlayfs: filesystem on './file0' not supported as upperdir [ 949.917105][ T1459] CPU: 1 PID: 1459 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 949.925829][ T1459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 949.935771][ T26] audit: type=1804 audit(1580103125.386:3673): pid=1450 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/885/bus/bus" dev="sda1" ino=16628 res=1 [ 949.935928][ T1459] Call Trace: [ 949.936027][ T1459] dump_stack+0x11d/0x181 [ 949.968556][ T1459] should_fail.cold+0xa/0x1a [ 949.973227][ T1459] __should_failslab+0xee/0x130 [ 949.978145][ T1459] should_failslab+0x9/0x14 [ 949.982674][ T1459] kmem_cache_alloc+0x29/0x5d0 [ 949.987462][ T1459] ? constant_test_bit+0x12/0x30 [ 949.992421][ T1459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 949.999485][ T1459] ext4_alloc_io_end_vec+0x4e/0x160 [ 950.004802][ T1459] ? ext4_writepages+0xb26/0x2500 [ 950.009981][ T1459] ? ext4_meta_trans_blocks+0x177/0x1b0 [ 950.015544][ T1459] ext4_writepages+0x1202/0x2500 [ 950.020510][ T1459] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 950.026182][ T1459] ? ext4_mark_inode_dirty+0x420/0x420 [ 950.031659][ T1459] do_writepages+0x6b/0x170 [ 950.036176][ T1459] ? do_writepages+0x6b/0x170 [ 950.040875][ T1459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 950.047133][ T1459] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 950.053177][ T1459] __filemap_fdatawrite_range+0x1c5/0x230 [ 950.059189][ T1459] file_write_and_wait_range+0xfd/0x160 [ 950.064886][ T1459] ext4_sync_file+0x266/0xaf0 [ 950.069582][ T1459] ? generic_perform_write+0x274/0x320 [ 950.075061][ T1459] ? __read_once_size.constprop.0+0x20/0x20 [ 950.080978][ T1459] vfs_fsync_range+0x82/0x150 [ 950.085682][ T1459] ext4_buffered_write_iter+0x222/0x290 [ 950.089656][ T1480] FAULT_INJECTION: forcing a failure. [ 950.089656][ T1480] name failslab, interval 1, probability 0, space 0, times 0 [ 950.091259][ T1459] ext4_file_write_iter+0xf4/0xd40 [ 950.091288][ T1459] ? common_file_perm+0x1d5/0x490 [ 950.114172][ T1459] do_iter_readv_writev+0x487/0x5b0 [ 950.119378][ T1459] ? security_file_permission+0x88/0x280 [ 950.125036][ T1459] do_iter_write+0x13b/0x3c0 [ 950.129771][ T1459] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 950.135678][ T1459] vfs_iter_write+0x5c/0x80 [ 950.140193][ T1459] ovl_write_iter+0x366/0x550 [ 950.145039][ T1459] new_sync_write+0x388/0x4a0 [ 950.149730][ T1459] ? __rcu_read_unlock+0x66/0x3d0 [ 950.154781][ T1459] __vfs_write+0xb1/0xc0 [ 950.159052][ T1459] vfs_write+0x18a/0x390 [ 950.163350][ T1459] ksys_write+0xd5/0x1b0 [ 950.167608][ T1459] __x64_sys_write+0x4c/0x60 [ 950.172301][ T1459] do_syscall_64+0xcc/0x3a0 [ 950.176818][ T1459] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 950.182725][ T1459] RIP: 0033:0x45b349 [ 950.186628][ T1459] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 950.206403][ T1459] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 05:32:05 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xa}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 950.214846][ T1459] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 950.222930][ T1459] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 950.230903][ T1459] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 950.238984][ T1459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 950.246958][ T1459] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000006 [ 950.254975][ T1480] CPU: 0 PID: 1480 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 950.263742][ T1480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 950.273934][ T1480] Call Trace: [ 950.277327][ T1480] dump_stack+0x11d/0x181 [ 950.281720][ T1480] should_fail.cold+0xa/0x1a [ 950.286347][ T1480] __should_failslab+0xee/0x130 [ 950.291221][ T1480] should_failslab+0x9/0x14 [ 950.295743][ T1480] kmem_cache_alloc+0x29/0x5d0 [ 950.300528][ T1480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 950.307091][ T1480] ? kernel_fpu_end+0x5c/0x80 [ 950.311819][ T1480] __es_insert_extent+0x1f0/0x880 05:32:05 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2fa56a732c776f7201002e2f66696c65312c7570a38e726469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) r3 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) add_key(&(0x7f0000000000)='big_key\x00', 0x0, &(0x7f0000001140)="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", 0x319, r3) keyctl$get_persistent(0x16, r2, r3) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r5 = socket$alg(0x26, 0x5, 0x0) bind$alg(r5, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r6 = accept4(r5, 0x0, 0x0, 0x0) splice(r4, 0x0, r6, 0x0, 0x80000001, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r7, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) fanotify_mark(r4, 0x10, 0x1, r7, &(0x7f0000000140)='./file1\x00') lseek(0xffffffffffffffff, 0x0, 0x0) [ 950.316919][ T1480] ext4_es_insert_extent+0x1c0/0x5c0 [ 950.322224][ T1480] ? ext4_es_find_extent_range+0x8d/0x260 [ 950.328016][ T1480] ? ext4_find_extent+0x4ef/0x5c0 [ 950.333053][ T1480] ext4_ext_put_gap_in_cache+0xb8/0xf0 [ 950.338615][ T1480] ext4_ext_map_blocks+0x1157/0x2320 [ 950.344023][ T1480] ? __this_cpu_preempt_check+0x45/0x140 [ 950.349702][ T1480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 950.355965][ T1480] ? ext4_es_lookup_extent+0x241/0x580 [ 950.361527][ T1480] ext4_da_get_block_prep+0x755/0xa60 [ 950.366924][ T1480] ? _raw_spin_unlock+0x4b/0x60 [ 950.371849][ T1480] ? create_empty_buffers+0x20c/0x3e0 [ 950.377324][ T1480] ext4_block_write_begin+0x33e/0xba0 [ 950.382834][ T1480] ? ext4_bmap+0x220/0x220 [ 950.387265][ T1480] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 950.393208][ T1480] ext4_da_write_begin+0x208/0x840 [ 950.398413][ T1480] generic_perform_write+0x136/0x320 [ 950.403766][ T1480] ext4_buffered_write_iter+0x143/0x290 [ 950.409399][ T1480] ext4_file_write_iter+0xf4/0xd40 [ 950.414556][ T1480] ? __const_udelay+0x36/0x40 [ 950.419338][ T1480] ? __udelay+0x10/0x20 [ 950.423543][ T1480] do_iter_readv_writev+0x487/0x5b0 [ 950.428828][ T1480] ? security_file_permission+0x88/0x280 [ 950.434486][ T1480] do_iter_write+0x13b/0x3c0 [ 950.439158][ T1480] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 950.445095][ T1480] vfs_iter_write+0x5c/0x80 [ 950.449607][ T1480] ovl_write_iter+0x366/0x550 [ 950.454338][ T1480] new_sync_write+0x388/0x4a0 [ 950.459036][ T1480] ? __rcu_read_unlock+0x66/0x3d0 [ 950.464365][ T1480] __vfs_write+0xb1/0xc0 [ 950.468623][ T1480] vfs_write+0x18a/0x390 [ 950.472936][ T1480] ksys_write+0xd5/0x1b0 [ 950.477261][ T1480] __x64_sys_write+0x4c/0x60 [ 950.481857][ T1480] do_syscall_64+0xcc/0x3a0 [ 950.486444][ T1480] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 950.492338][ T1480] RIP: 0033:0x45b349 [ 950.496246][ T1480] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 05:32:06 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x10, 0x8}, 0x10) [ 950.515852][ T1480] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 950.524337][ T1480] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 950.532384][ T1480] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 950.540364][ T1480] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 950.548438][ T1480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 950.556514][ T1480] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000002 05:32:06 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:06 executing program 1 (fault-call:8 fault-nth:3): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 950.615249][ T1581] overlayfs: unrecognized mount option "wor" or missing value 05:32:06 executing program 4 (fault-call:10 fault-nth:7): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 950.855759][ T1590] overlayfs: filesystem on './file0' not supported as upperdir [ 950.874995][ T1594] overlayfs: missing 'lowerdir' [ 950.889486][ T1593] overlayfs: filesystem on './file0' not supported as upperdir [ 950.923980][ T26] audit: type=1800 audit(1580103126.386:3674): pid=1596 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16551 res=0 [ 950.945571][ T1605] fuse: Bad value for 'fd' [ 950.987315][ T1603] FAULT_INJECTION: forcing a failure. [ 950.987315][ T1603] name failslab, interval 1, probability 0, space 0, times 0 [ 950.993115][ T1599] FAULT_INJECTION: forcing a failure. [ 950.993115][ T1599] name failslab, interval 1, probability 0, space 0, times 0 [ 951.000037][ T1603] CPU: 1 PID: 1603 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 951.021178][ T1603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 951.031271][ T1603] Call Trace: [ 951.034593][ T1603] dump_stack+0x11d/0x181 [ 951.038973][ T1603] should_fail.cold+0xa/0x1a [ 951.043600][ T1603] __should_failslab+0xee/0x130 [ 951.048479][ T1603] should_failslab+0x9/0x14 [ 951.053103][ T1603] kmem_cache_alloc+0x29/0x5d0 [ 951.057985][ T1603] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 951.063785][ T1603] ? ext4_es_can_be_merged+0xfa/0x1b0 [ 951.069282][ T1603] __es_insert_extent+0x1f0/0x880 [ 951.074414][ T1603] ext4_es_insert_delayed_block+0x116/0x290 [ 951.080411][ T1603] ? _raw_spin_unlock+0x4b/0x60 [ 951.085401][ T1603] ext4_da_get_block_prep+0x4f1/0xa60 [ 951.090929][ T1603] ? create_empty_buffers+0x20c/0x3e0 [ 951.096334][ T1603] ext4_block_write_begin+0x33e/0xba0 [ 951.101722][ T1603] ? ext4_bmap+0x220/0x220 [ 951.106164][ T1603] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 951.112276][ T1603] ext4_da_write_begin+0x208/0x840 [ 951.117465][ T1603] generic_perform_write+0x136/0x320 [ 951.122955][ T1603] ext4_buffered_write_iter+0x143/0x290 [ 951.128519][ T1603] ext4_file_write_iter+0xf4/0xd40 [ 951.133643][ T1603] ? common_file_perm+0x1d5/0x490 [ 951.138874][ T1603] do_iter_readv_writev+0x487/0x5b0 [ 951.144080][ T1603] ? security_file_permission+0x88/0x280 [ 951.149736][ T1603] do_iter_write+0x13b/0x3c0 [ 951.154341][ T1603] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 951.160274][ T1603] vfs_iter_write+0x5c/0x80 [ 951.164806][ T1603] ovl_write_iter+0x366/0x550 [ 951.169509][ T1603] new_sync_write+0x388/0x4a0 [ 951.174237][ T1603] ? __rcu_read_unlock+0x66/0x3d0 [ 951.179368][ T1603] __vfs_write+0xb1/0xc0 [ 951.183615][ T1603] vfs_write+0x18a/0x390 [ 951.188043][ T1603] ksys_write+0xd5/0x1b0 [ 951.192299][ T1603] __x64_sys_write+0x4c/0x60 [ 951.196904][ T1603] do_syscall_64+0xcc/0x3a0 [ 951.201522][ T1603] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 951.207534][ T1603] RIP: 0033:0x45b349 [ 951.211467][ T1603] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 951.231157][ T1603] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 951.239704][ T1603] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 951.247676][ T1603] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 951.255763][ T1603] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 951.263814][ T1603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 951.271808][ T1603] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000003 [ 951.279919][ T1599] CPU: 0 PID: 1599 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 05:32:06 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xe0, 0x8}, 0x10) 05:32:06 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xf}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 951.288688][ T1599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 951.299007][ T1599] Call Trace: [ 951.302311][ T1599] dump_stack+0x11d/0x181 [ 951.306698][ T1599] should_fail.cold+0xa/0x1a [ 951.311312][ T1599] __should_failslab+0xee/0x130 [ 951.316226][ T1599] should_failslab+0x9/0x14 [ 951.320822][ T1599] __kmalloc+0x53/0x690 [ 951.324994][ T1599] ? __read_once_size.constprop.0+0x12/0x20 [ 951.331066][ T1599] ? __sanitizer_cov_trace_cmp8+0x18/0x20 05:32:06 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x10, &(0x7f00000000c0)=ANY=[@ANYRES16=r0]) chdir(&(0x7f00000002c0)='./bus\x00') r1 = open(&(0x7f00000001c0)='./file1\x00', 0x101082, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 951.336845][ T1599] ? xas_find_marked+0x29d/0x7b0 [ 951.341806][ T1599] ? mem_cgroup_uncharge_list+0xa8/0xd0 [ 951.346179][ T26] audit: type=1804 audit(1580103126.816:3675): pid=1605 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/886/bus/bus" dev="sda1" ino=16646 res=1 [ 951.347440][ T1599] ? __rcu_read_unlock+0x66/0x3d0 [ 951.347468][ T1599] ? ext4_find_extent+0x4ef/0x5c0 [ 951.382585][ T1599] ext4_find_extent+0x4ef/0x5c0 [ 951.387500][ T1599] ext4_ext_map_blocks+0xe9/0x2320 [ 951.392671][ T1599] ? __this_cpu_preempt_check+0x45/0x140 [ 951.398318][ T1599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 951.404621][ T1599] ? ext4_es_lookup_extent+0x241/0x580 [ 951.410187][ T1599] ext4_map_blocks+0x23a/0xff0 [ 951.414973][ T1599] ? ext4_alloc_io_end_vec+0x124/0x160 [ 951.420448][ T1599] ext4_writepages+0x135e/0x2500 [ 951.425463][ T1599] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 951.430949][ T1599] ? ext4_mark_inode_dirty+0x420/0x420 05:32:06 executing program 1 (fault-call:8 fault-nth:4): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 951.436422][ T1599] do_writepages+0x6b/0x170 [ 951.440935][ T1599] ? do_writepages+0x6b/0x170 [ 951.445657][ T1599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 951.451912][ T1599] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 951.457835][ T1599] __filemap_fdatawrite_range+0x1c5/0x230 [ 951.463580][ T1599] file_write_and_wait_range+0xfd/0x160 [ 951.469263][ T1599] ext4_sync_file+0x266/0xaf0 [ 951.474031][ T1599] ? generic_perform_write+0x274/0x320 [ 951.479526][ T1599] ? __read_once_size.constprop.0+0x20/0x20 [ 951.483505][ T1709] overlayfs: unrecognized mount option "" or missing value [ 951.485433][ T1599] vfs_fsync_range+0x82/0x150 [ 951.485460][ T1599] ext4_buffered_write_iter+0x222/0x290 [ 951.485501][ T1599] ext4_file_write_iter+0xf4/0xd40 [ 951.485524][ T1599] ? common_file_perm+0x1d5/0x490 [ 951.485552][ T1599] do_iter_readv_writev+0x487/0x5b0 [ 951.485572][ T1599] ? security_file_permission+0x88/0x280 [ 951.485602][ T1599] do_iter_write+0x13b/0x3c0 [ 951.485627][ T1599] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 951.485654][ T1599] vfs_iter_write+0x5c/0x80 [ 951.485682][ T1599] ovl_write_iter+0x366/0x550 [ 951.485821][ T1599] new_sync_write+0x388/0x4a0 [ 951.540421][ T1709] overlayfs: unrecognized mount option "" or missing value [ 951.544367][ T1599] ? __rcu_read_unlock+0x66/0x3d0 [ 951.544438][ T1599] __vfs_write+0xb1/0xc0 [ 951.565787][ T1599] vfs_write+0x18a/0x390 [ 951.570078][ T1599] ksys_write+0xd5/0x1b0 [ 951.574348][ T1599] __x64_sys_write+0x4c/0x60 [ 951.579108][ T1599] do_syscall_64+0xcc/0x3a0 [ 951.583684][ T1599] entry_SYSCALL_64_after_hwframe+0x44/0xa9 05:32:07 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) r1 = open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) ioctl$BLKFRASET(r1, 0x1264, &(0x7f00000000c0)=0x1) [ 951.589703][ T1599] RIP: 0033:0x45b349 [ 951.593623][ T1599] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 951.613336][ T1599] RSP: 002b:00007fc1fa560c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 951.621834][ T1599] RAX: ffffffffffffffda RBX: 00007fc1fa5616d4 RCX: 000000000045b349 [ 951.629966][ T1599] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 05:32:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 951.638007][ T1599] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 951.645991][ T1599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 951.653972][ T1599] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000007 [ 951.752611][ T1714] overlayfs: missing 'lowerdir' 05:32:07 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 951.862395][ T1719] fuse: Bad value for 'fd' [ 951.920569][ T1717] overlayfs: filesystem on './file0' not supported as upperdir [ 951.972670][ T1723] FAULT_INJECTION: forcing a failure. [ 951.972670][ T1723] name failslab, interval 1, probability 0, space 0, times 0 [ 951.986056][ T26] audit: type=1800 audit(1580103127.456:3676): pid=1727 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16540 res=0 [ 952.002502][ T1723] CPU: 0 PID: 1723 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 952.014412][ T1723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 952.024636][ T1723] Call Trace: [ 952.027968][ T1723] dump_stack+0x11d/0x181 [ 952.032333][ T1723] should_fail.cold+0xa/0x1a [ 952.036947][ T1723] __should_failslab+0xee/0x130 [ 952.041814][ T1723] should_failslab+0x9/0x14 [ 952.046333][ T1723] kmem_cache_alloc+0x29/0x5d0 [ 952.051223][ T1723] ? _raw_spin_unlock_irq+0x68/0x80 [ 952.056490][ T1723] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 952.062460][ T1723] ? __write_once_size+0x41/0xe0 [ 952.067441][ T1723] ext4_init_io_end+0x4f/0x120 [ 952.072221][ T1723] ext4_writepages+0x94a/0x2500 [ 952.077089][ T1723] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 952.081084][ T26] audit: type=1804 audit(1580103127.476:3677): pid=1714 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/887/bus/bus" dev="sda1" ino=16534 res=1 [ 952.082587][ T1723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 952.113753][ T1723] ? ext4_mark_inode_dirty+0x420/0x420 [ 952.119230][ T1723] do_writepages+0x6b/0x170 [ 952.121130][ T1729] overlayfs: filesystem on './file0' not supported as upperdir [ 952.123744][ T1723] ? do_writepages+0x6b/0x170 [ 952.123777][ T1723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 952.142280][ T1723] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 952.148198][ T1723] __filemap_fdatawrite_range+0x1c5/0x230 [ 952.153998][ T1723] file_write_and_wait_range+0xfd/0x160 [ 952.159600][ T1723] ext4_sync_file+0x266/0xaf0 [ 952.164374][ T1723] ? generic_perform_write+0x274/0x320 [ 952.169847][ T1723] ? __read_once_size.constprop.0+0x20/0x20 [ 952.175877][ T1723] vfs_fsync_range+0x82/0x150 [ 952.180622][ T1723] ext4_buffered_write_iter+0x222/0x290 [ 952.186209][ T1723] ext4_file_write_iter+0xf4/0xd40 [ 952.191393][ T1723] ? common_file_perm+0x1d5/0x490 [ 952.196450][ T1723] do_iter_readv_writev+0x487/0x5b0 [ 952.201791][ T1723] ? security_file_permission+0x88/0x280 [ 952.207448][ T1723] do_iter_write+0x13b/0x3c0 [ 952.212140][ T1723] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 952.218052][ T1723] vfs_iter_write+0x5c/0x80 [ 952.222570][ T1723] ovl_write_iter+0x366/0x550 [ 952.227268][ T1723] new_sync_write+0x388/0x4a0 [ 952.232004][ T1723] ? __rcu_read_unlock+0x66/0x3d0 [ 952.237073][ T1723] __vfs_write+0xb1/0xc0 [ 952.241432][ T1723] vfs_write+0x18a/0x390 [ 952.245790][ T1723] ksys_write+0xd5/0x1b0 [ 952.250052][ T1723] __x64_sys_write+0x4c/0x60 [ 952.254699][ T1723] do_syscall_64+0xcc/0x3a0 [ 952.259234][ T1723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 952.265134][ T1723] RIP: 0033:0x45b349 [ 952.269212][ T1723] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 952.288986][ T1723] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 952.297420][ T1723] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 952.305402][ T1723] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 952.313385][ T1723] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 05:32:07 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB]) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:07 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x10}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:07 executing program 2: ioctl$DRM_IOCTL_DROP_MASTER(0xffffffffffffffff, 0x641f) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vga_arbiter\x00', 0x40000, 0x0) ioctl$TIOCPKT(r1, 0x5420, &(0x7f0000000200)=0x9) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) r2 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsu\x00', 0x22a00, 0x0) setsockopt$bt_BT_SNDMTU(r2, 0x112, 0xc, &(0x7f0000000140)=0x7, 0x2) lseek(0xffffffffffffffff, 0x0, 0x0) [ 952.321368][ T1723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 952.329416][ T1723] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000004 [ 952.345254][ T1728] overlayfs: filesystem on './file0' not supported as upperdir 05:32:07 executing program 1 (fault-call:8 fault-nth:5): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 952.461360][ T1856] overlayfs: missing 'lowerdir' 05:32:07 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xffe0, 0x8}, 0x10) 05:32:08 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x5, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 952.628582][ T1856] fuse: Bad value for 'max_read' [ 952.649805][ T1863] overlayfs: filesystem on './file0' not supported as upperdir 05:32:08 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f00000000c0)='./bus\x00', 0x171) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 952.718705][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 952.718722][ T26] audit: type=1800 audit(1580103128.186:3680): pid=1866 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16553 res=0 05:32:08 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x88}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 952.816259][ T1870] FAULT_INJECTION: forcing a failure. [ 952.816259][ T1870] name failslab, interval 1, probability 0, space 0, times 0 [ 952.850443][ T1875] overlayfs: filesystem on './file0' not supported as upperdir [ 952.868678][ T1870] CPU: 1 PID: 1870 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 952.877448][ T1870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 952.887629][ T1870] Call Trace: [ 952.890936][ T1870] dump_stack+0x11d/0x181 [ 952.895425][ T1870] should_fail.cold+0xa/0x1a [ 952.900050][ T1870] __should_failslab+0xee/0x130 [ 952.904923][ T1870] should_failslab+0x9/0x14 [ 952.909562][ T1870] kmem_cache_alloc+0x29/0x5d0 [ 952.914381][ T1870] ext4_init_io_end+0x4f/0x120 [ 952.919219][ T1870] ext4_writepages+0xd0e/0x2500 [ 952.924161][ T1870] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 952.929659][ T1870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 952.936034][ T1870] ? ext4_mark_inode_dirty+0x420/0x420 [ 952.941653][ T1870] do_writepages+0x6b/0x170 [ 952.946213][ T1870] ? do_writepages+0x6b/0x170 [ 952.950929][ T1870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 952.957188][ T1870] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 952.963127][ T1870] __filemap_fdatawrite_range+0x1c5/0x230 [ 952.968895][ T1870] file_write_and_wait_range+0xfd/0x160 [ 952.974466][ T1870] ext4_sync_file+0x266/0xaf0 [ 952.980967][ T1870] ? generic_perform_write+0x274/0x320 [ 952.986463][ T1870] ? __read_once_size.constprop.0+0x20/0x20 [ 952.992371][ T1870] vfs_fsync_range+0x82/0x150 [ 952.997145][ T1870] ext4_buffered_write_iter+0x222/0x290 [ 953.000955][ T1984] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 953.002769][ T1870] ext4_file_write_iter+0xf4/0xd40 [ 953.011177][ T1984] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 953.016176][ T1870] ? common_file_perm+0x1d5/0x490 [ 953.016206][ T1870] do_iter_readv_writev+0x487/0x5b0 [ 953.016289][ T1870] ? security_file_permission+0x88/0x280 [ 953.040759][ T1870] do_iter_write+0x13b/0x3c0 [ 953.045496][ T1870] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 953.051412][ T1870] vfs_iter_write+0x5c/0x80 [ 953.056010][ T1870] ovl_write_iter+0x366/0x550 [ 953.060786][ T1870] new_sync_write+0x388/0x4a0 [ 953.065486][ T1870] ? __rcu_read_unlock+0x66/0x3d0 [ 953.068663][ T1984] fuse: Bad value for 'max_read' [ 953.070675][ T1870] __vfs_write+0xb1/0xc0 [ 953.070723][ T1870] vfs_write+0x18a/0x390 [ 953.070754][ T1870] ksys_write+0xd5/0x1b0 [ 953.088549][ T1870] __x64_sys_write+0x4c/0x60 [ 953.093158][ T1870] do_syscall_64+0xcc/0x3a0 [ 953.097686][ T1870] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 953.103587][ T1870] RIP: 0033:0x45b349 [ 953.107599][ T1870] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 953.108561][ T26] audit: type=1804 audit(1580103128.336:3681): pid=1984 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/889/bus/bus" dev="sda1" ino=16648 res=1 [ 953.127322][ T1870] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 05:32:08 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xffffffe0, 0x8}, 0x10) [ 953.127418][ T1870] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 953.127503][ T1870] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 953.178710][ T1870] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 953.186702][ T1870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 953.194827][ T1870] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000005 [ 953.219780][ T1982] overlayfs: filesystem on './file0' not supported as upperdir [ 953.247833][ T1877] overlayfs: filesystem on './file0' not supported as upperdir [ 953.258878][ T26] audit: type=1800 audit(1580103128.716:3682): pid=1985 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16551 res=0 [ 953.333635][ T26] audit: type=1800 audit(1580103128.776:3683): pid=1990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16657 res=0 05:32:08 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000017c0)=ANY=[@ANYBLOB="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"]) fsconfig$FSCONFIG_SET_FLAG(0xffffffffffffffff, 0x0, &(0x7f0000000100)='nomand\x00', 0x0, 0x0) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) open(&(0x7f00000000c0)='./file0\x00', 0x103000, 0x1) syz_mount_image$nfs(&(0x7f0000000140)='nfs\x00', &(0x7f00000001c0)='./file1\x00', 0xfffffffffffffff7, 0x9, &(0x7f0000001680)=[{&(0x7f0000000300)="5ac335ceacc3269f11ae255eef9023bde93e66116060075d495e068a42cfae1df715c45dbd40e753dc0bcbf5ce5a2098e097b00b4bdd61c439b1151927b2abf9f02dcd3a905f12b65aa2869668ac3e2da0871d1f4554fa83fc47ffbb77c67d7585ac8007bc62c4705523ac83", 0x6c, 0x7fff}, {&(0x7f0000000200), 0x0, 0x9}, {&(0x7f0000000380)="b8", 0x1, 0x8}, {&(0x7f00000003c0)="6bbfd9ac7e9718d8dd7faf4ea3db2fe423af3e68a4b959f8dd8e3c927d952809d8ce34f7a38171ccd303890dba00002406bed52901fcbf35083e08b37a", 0x3d, 0x5}, {&(0x7f0000000400)="62be48e203564bb5259f17a2618b9622edd18d6f657ee08f5522e7aa8e2f8b360b477bcaeee57ae3082cc63501a8e7bf806000bf9c2b51b4bf6c256eb3851dfc9b7902cd784b38636e87899322c2ad5d45a051e7eeb88a6ea00f7bda1c06", 0x5e, 0x100000001}, {&(0x7f0000000480)="86d471704451cb6eb9a9850e89fa541b9f3237af5478eceef60fec7399711c0d604540cb8a2cb80b5893aa08cf9cb236ef8a1627b3103b848e5b1004e40078ada4cef162017e7ad4fc58beaffcaa0349fc412882bcb53cf9f665e7bfe6", 0x5d, 0x8}, {&(0x7f0000000500)="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", 0x1000, 0x6}, {&(0x7f0000001500)="af9d48b32d298405a54050d4fec0dce751745bb8fec87600da99dac54db98adec7b0dbb42d8ea5acb47ee28f631bc5218683e4685a905ef79f080ad6bba16d20945b04c0f64f794a67c4f801be2749b2b81de8f9ff5a519aa0eeda85fadf0f3a2cf82bbcc26d3b5090792d1d0beae9c4e7081b94b836e2992fefcc9a98656c656deda3fa8a1b48152aec74642624e249ad3d47427b369512b9c17e652be2d94a67785033309fcb9d61eba3719974dc567d1c161e79b40462f349078f01b1534bfbad1d3baf297d4c43449a6360c5", 0xce, 0x6}, {&(0x7f0000001600)="0198a6fc604aba4800fa969cf2b041dc7e52d905dfda1ce69750cf30310901ee005f4d09429d6dd09807258dfd91d0c91d7f186be9f3693ca16acaafe0f21a98fd1706169bd4f2d1bab962ef3cc23de2c1bc6b06c1021412d893cc9361a51040c4551134fe100510b98181b672073557af25edea41094f353e09f8e2", 0x7c}], 0x49885, &(0x7f0000001780)='overlay\x00') fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:08 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:08 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xa, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:08 executing program 1 (fault-call:8 fault-nth:6): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 953.494693][ T1996] overlayfs: filesystem on './file0' not supported as upperdir [ 953.509139][ T1998] overlayfs: filesystem on './file0' not supported as upperdir 05:32:09 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xe0}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 953.606206][ T2103] overlayfs: option "workdir=." is useless in a non-upper mount, ignore 05:32:09 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x2}, 0x10) [ 953.655089][ T2103] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent [ 953.681302][ T2105] overlayfs: unrecognized mount option "lowerfir=./bü " or missing value [ 953.768916][ T2114] fuse: Bad value for 'max_read' [ 953.771613][ T2112] FAULT_INJECTION: forcing a failure. [ 953.771613][ T2112] name failslab, interval 1, probability 0, space 0, times 0 [ 953.826200][ T2111] overlayfs: filesystem on './file0' not supported as upperdir [ 953.849093][ T2105] overlayfs: unrecognized mount option "lowerfir=./bü " or missing value [ 953.869753][ T2112] CPU: 0 PID: 2112 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 953.878385][ T2112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 953.888562][ T2112] Call Trace: [ 953.891869][ T2112] dump_stack+0x11d/0x181 [ 953.896398][ T2112] should_fail.cold+0xa/0x1a [ 953.901008][ T2112] __should_failslab+0xee/0x130 [ 953.905114][ T26] audit: type=1804 audit(1580103129.376:3684): pid=2114 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/890/bus/bus" dev="sda1" ino=16522 res=1 [ 953.905952][ T2112] should_failslab+0x9/0x14 [ 953.935485][ T2112] kmem_cache_alloc+0x29/0x5d0 [ 953.940435][ T2112] ? constant_test_bit+0x12/0x30 [ 953.945389][ T2112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 953.951710][ T2112] ext4_alloc_io_end_vec+0x4e/0x160 [ 953.956921][ T2112] ? ext4_writepages+0xb26/0x2500 [ 953.962078][ T2112] ? ext4_meta_trans_blocks+0x177/0x1b0 [ 953.967809][ T2112] ext4_writepages+0x1202/0x2500 [ 953.972760][ T2112] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 953.978267][ T2112] ? ext4_mark_inode_dirty+0x420/0x420 [ 953.983738][ T2112] do_writepages+0x6b/0x170 [ 953.988363][ T2112] ? do_writepages+0x6b/0x170 [ 953.989070][ T2127] overlayfs: './bus' not a directory [ 953.993124][ T2112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 953.993154][ T2112] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 954.010551][ T2112] __filemap_fdatawrite_range+0x1c5/0x230 [ 954.016298][ T2112] file_write_and_wait_range+0xfd/0x160 [ 954.021987][ T2112] ext4_sync_file+0x266/0xaf0 [ 954.026685][ T2112] ? generic_perform_write+0x274/0x320 [ 954.032161][ T2112] ? __read_once_size.constprop.0+0x20/0x20 [ 954.038070][ T2112] vfs_fsync_range+0x82/0x150 [ 954.042767][ T2112] ext4_buffered_write_iter+0x222/0x290 [ 954.048390][ T2112] ext4_file_write_iter+0xf4/0xd40 [ 954.052158][ T2128] overlayfs: filesystem on './file0' not supported as upperdir [ 954.053695][ T2112] ? common_file_perm+0x1d5/0x490 [ 954.053766][ T2112] do_iter_readv_writev+0x487/0x5b0 [ 954.071535][ T2112] ? security_file_permission+0x88/0x280 05:32:09 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4}, 0x10) [ 954.077246][ T2112] do_iter_write+0x13b/0x3c0 [ 954.081854][ T2112] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 954.087763][ T2112] vfs_iter_write+0x5c/0x80 [ 954.092293][ T2112] ovl_write_iter+0x366/0x550 [ 954.097167][ T2112] new_sync_write+0x388/0x4a0 [ 954.102080][ T2112] ? __rcu_read_unlock+0x66/0x3d0 [ 954.107252][ T2112] __vfs_write+0xb1/0xc0 [ 954.111532][ T2112] vfs_write+0x18a/0x390 [ 954.115795][ T2112] ksys_write+0xd5/0x1b0 [ 954.120256][ T2112] __x64_sys_write+0x4c/0x60 [ 954.125127][ T2112] do_syscall_64+0xcc/0x3a0 [ 954.129737][ T2112] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 954.135850][ T2112] RIP: 0033:0x45b349 [ 954.140205][ T2112] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 954.160084][ T2112] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 954.168848][ T2112] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 05:32:09 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xf, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:09 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=.']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:09 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xd829}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 954.176826][ T2112] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 954.184837][ T2112] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 954.192919][ T2112] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 954.200938][ T2112] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000006 05:32:09 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) r1 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r2, 0x4, 0x42000) mmap(&(0x7f0000005000/0x2000)=nil, 0x2000, 0x2000008, 0x10, r2, 0x0) symlinkat(&(0x7f00000000c0)='./file1\x00', r1, &(0x7f0000000140)='./bus\x00') write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 954.370650][ T2235] overlayfs: option "workdir=." is useless in a non-upper mount, ignore [ 954.387876][ T2235] overlayfs: at least 2 lowerdir are needed while upperdir nonexistent 05:32:10 executing program 1 (fault-call:8 fault-nth:7): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 954.490627][ T2238] fuse: Bad value for 'fd' [ 954.629120][ T26] audit: type=1804 audit(1580103130.096:3685): pid=2235 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/891/bus/bus" dev="sda1" ino=16552 res=1 [ 954.662509][ T2244] overlayfs: filesystem on './file0' not supported as upperdir [ 954.677375][ T2246] overlayfs: filesystem on './file0' not supported as upperdir [ 954.691911][ T2248] overlayfs: filesystem on './file0' not supported as upperdir [ 954.699577][ T2247] overlayfs: filesystem on './file0' not supported as upperdir [ 954.788328][ T26] audit: type=1800 audit(1580103130.206:3686): pid=2251 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16602 res=0 05:32:10 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xffe0}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:10 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xa}, 0x10) 05:32:10 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x10, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:10 executing program 2: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d4f2f6275732c776f726b6469723d2e2f66696c65312c7570706572642f66696c00000000fbb05d6f66398aafc06be9a0000091dfd51ec7dec5095d6b5fadf1afb53b53c9aacf2e3bfa83fd7e92fb0be9924646f2a2d1508f23b30ab70ad9bcbfc3fd6a84795c24017a3cf4644a29b6e0da5e887302637e946a3ddaa356ef639621f8518787e3765fb85e5b457dd40f45509827245d99418f10fd652054499140bddd2b942e4b279ac2a95714f7658fc3728e2f8a5051c02371d3fa58161e020e4f497c76488b14c6209132238faea5"]) chdir(&(0x7f00000002c0)='./bus\x00') mq_unlink(&(0x7f00000000c0)='overlay\x00') pipe(&(0x7f0000000000)={0xffffffffffffffff}) recvfrom$unix(r0, &(0x7f00000005c0)=""/134, 0x86, 0x2, 0x0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) recvmsg$can_raw(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000400)=""/235, 0xeb}, 0x60) r3 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = syz_genetlink_get_family_id$tipc(&(0x7f00000001c0)='TIPC\x00') getsockopt$IP_VS_SO_GET_TIMEOUT(0xffffffffffffffff, 0x0, 0x486, &(0x7f0000000200), &(0x7f0000000680)=0xc) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r6 = socket$alg(0x26, 0x5, 0x0) bind$alg(r6, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r7 = accept4(r6, 0x0, 0x0, 0x0) splice(r5, 0x0, r7, 0x0, 0x80000001, 0x0) r8 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000700)='/dev/dlm-monitor\x00', 0x400000, 0x0) renameat(r5, &(0x7f00000006c0)='./file0\x00', r8, &(0x7f0000000740)='./file0\x00') sendmsg$TIPC_CMD_SET_LINK_WINDOW(r0, &(0x7f0000000540)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000500)={&(0x7f0000000580)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="020025bd7000ffdbdf250100000000000000094100000018000000007564703a73797a3100000000"], 0x30}, 0x1, 0x0, 0x0, 0x8000}, 0x24000004) write$RDMA_USER_CM_CMD_LISTEN(r3, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 954.967386][ T2361] FAULT_INJECTION: forcing a failure. [ 954.967386][ T2361] name failslab, interval 1, probability 0, space 0, times 0 [ 955.021493][ T2364] overlayfs: unrecognized mount option "upper" or missing value [ 955.064694][ T2361] CPU: 1 PID: 2361 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 955.073359][ T2361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 955.083520][ T2361] Call Trace: [ 955.086996][ T2361] dump_stack+0x11d/0x181 [ 955.091357][ T2361] should_fail.cold+0xa/0x1a [ 955.095995][ T2361] __should_failslab+0xee/0x130 [ 955.100864][ T2361] should_failslab+0x9/0x14 [ 955.105562][ T2361] __kmalloc+0x53/0x690 [ 955.109807][ T2361] ? __read_once_size.constprop.0+0x12/0x20 [ 955.115770][ T2361] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 955.121508][ T2361] ? xas_find_marked+0x29d/0x7b0 [ 955.126472][ T2361] ? mem_cgroup_uncharge_list+0xa8/0xd0 [ 955.132044][ T2361] ? __rcu_read_unlock+0x66/0x3d0 [ 955.137082][ T2361] ? ext4_find_extent+0x4ef/0x5c0 [ 955.142124][ T2361] ext4_find_extent+0x4ef/0x5c0 [ 955.147035][ T2361] ext4_ext_map_blocks+0xe9/0x2320 [ 955.152165][ T2361] ? __this_cpu_preempt_check+0x45/0x140 [ 955.156828][ T2364] fuse: Bad value for 'max_read' [ 955.157810][ T2361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 955.157862][ T2361] ? ext4_es_lookup_extent+0x241/0x580 [ 955.157961][ T2361] ext4_map_blocks+0x23a/0xff0 [ 955.179484][ T2361] ? ext4_alloc_io_end_vec+0x124/0x160 [ 955.185014][ T2361] ext4_writepages+0x135e/0x2500 [ 955.189996][ T2361] ? ext4_mark_inode_dirty+0x420/0x420 [ 955.195537][ T2361] do_writepages+0x6b/0x170 [ 955.200198][ T2361] ? do_writepages+0x6b/0x170 [ 955.205007][ T2361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 955.211362][ T2361] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 955.216985][ T26] audit: type=1804 audit(1580103130.536:3687): pid=2364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/892/bus/bus" dev="sda1" ino=16552 res=1 [ 955.217287][ T2361] __filemap_fdatawrite_range+0x1c5/0x230 [ 955.217319][ T2361] file_write_and_wait_range+0xfd/0x160 [ 955.253598][ T2361] ext4_sync_file+0x266/0xaf0 [ 955.258294][ T2361] ? generic_perform_write+0x274/0x320 [ 955.263780][ T2361] ? __read_once_size.constprop.0+0x20/0x20 [ 955.269722][ T2361] vfs_fsync_range+0x82/0x150 [ 955.274424][ T2361] ext4_buffered_write_iter+0x222/0x290 [ 955.280028][ T2361] ext4_file_write_iter+0xf4/0xd40 [ 955.285171][ T2361] ? common_file_perm+0x1d5/0x490 [ 955.290221][ T2361] do_iter_readv_writev+0x487/0x5b0 [ 955.295435][ T2361] ? security_file_permission+0x88/0x280 [ 955.301099][ T2361] do_iter_write+0x13b/0x3c0 [ 955.305712][ T2361] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 955.311649][ T2361] vfs_iter_write+0x5c/0x80 [ 955.316166][ T2361] ovl_write_iter+0x366/0x550 [ 955.320930][ T2361] new_sync_write+0x388/0x4a0 [ 955.325628][ T2361] ? __rcu_read_unlock+0x66/0x3d0 [ 955.330799][ T2361] __vfs_write+0xb1/0xc0 [ 955.335119][ T2361] vfs_write+0x18a/0x390 [ 955.339531][ T2361] ksys_write+0xd5/0x1b0 [ 955.343950][ T2361] __x64_sys_write+0x4c/0x60 [ 955.348557][ T2361] do_syscall_64+0xcc/0x3a0 [ 955.353191][ T2361] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 955.359263][ T2361] RIP: 0033:0x45b349 [ 955.363263][ T2361] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 955.383062][ T2361] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 955.391559][ T2361] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 955.399606][ T2361] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 955.407723][ T2361] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 05:32:10 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 955.413766][ T2377] overlayfs: unrecognized mount option "upperd/fil" or missing value [ 955.415810][ T2361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 955.415823][ T2361] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000007 [ 955.454749][ T2371] overlayfs: filesystem on './file0' not supported as upperdir [ 955.455497][ T2370] overlayfs: filesystem on './file0' not supported as upperdir [ 955.462686][ T2369] overlayfs: filesystem on './file0' not supported as upperdir [ 955.512593][ T2389] overlayfs: unrecognized mount option "upper" or missing value 05:32:11 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x2}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:11 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa02}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:11 executing program 1 (fault-call:8 fault-nth:8): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 955.613528][ T2389] fuse: Bad value for 'max_read' 05:32:11 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xd}, 0x10) [ 955.700173][ T26] audit: type=1804 audit(1580103131.166:3688): pid=2389 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/893/bus/bus" dev="sda1" ino=16717 res=1 [ 955.911215][ T2496] FAULT_INJECTION: forcing a failure. [ 955.911215][ T2496] name failslab, interval 1, probability 0, space 0, times 0 [ 955.940331][ T2495] overlayfs: filesystem on './file0' not supported as upperdir [ 955.954862][ T2496] CPU: 0 PID: 2496 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 955.963478][ T2496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 955.973580][ T2496] Call Trace: [ 955.976872][ T2496] dump_stack+0x11d/0x181 [ 955.981232][ T2496] should_fail.cold+0xa/0x1a [ 955.985826][ T2496] __should_failslab+0xee/0x130 [ 955.990678][ T2496] should_failslab+0x9/0x14 [ 955.995181][ T2496] kmem_cache_alloc+0x29/0x5d0 [ 955.999942][ T2496] ? should_fail+0xd4/0x45d [ 956.004481][ T2496] ext4_mb_new_blocks+0x343/0x1de0 [ 956.009593][ T2496] ? __kmalloc+0x239/0x690 [ 956.014007][ T2496] ? __read_once_size.constprop.0+0x12/0x20 [ 956.019900][ T2496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 956.025617][ T2496] ? xas_find_marked+0x29d/0x7b0 [ 956.030568][ T2496] ? ext4_find_extent+0x4ef/0x5c0 [ 956.035631][ T2496] ext4_ext_map_blocks+0x1c0f/0x2320 [ 956.040930][ T2496] ext4_map_blocks+0x23a/0xff0 [ 956.045701][ T2496] ? ext4_alloc_io_end_vec+0x124/0x160 [ 956.051172][ T2496] ext4_writepages+0x135e/0x2500 [ 956.056120][ T2496] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 956.061704][ T2496] ? ext4_mark_inode_dirty+0x420/0x420 [ 956.067162][ T2496] do_writepages+0x6b/0x170 [ 956.071659][ T2496] ? do_writepages+0x6b/0x170 [ 956.076341][ T2496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 956.082577][ T2496] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 956.088627][ T2496] __filemap_fdatawrite_range+0x1c5/0x230 [ 956.094418][ T2496] file_write_and_wait_range+0xfd/0x160 [ 956.100027][ T2496] ext4_sync_file+0x266/0xaf0 [ 956.104833][ T2496] ? generic_perform_write+0x274/0x320 [ 956.110289][ T2496] ? __read_once_size.constprop.0+0x20/0x20 [ 956.116252][ T2496] vfs_fsync_range+0x82/0x150 [ 956.120993][ T2496] ext4_buffered_write_iter+0x222/0x290 [ 956.126611][ T2496] ext4_file_write_iter+0xf4/0xd40 [ 956.131775][ T2496] ? common_file_perm+0x1d5/0x490 [ 956.136813][ T2496] do_iter_readv_writev+0x487/0x5b0 [ 956.142033][ T2496] ? security_file_permission+0x88/0x280 [ 956.147670][ T2496] do_iter_write+0x13b/0x3c0 [ 956.152262][ T2496] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 956.158157][ T2496] vfs_iter_write+0x5c/0x80 [ 956.162662][ T2496] ovl_write_iter+0x366/0x550 [ 956.167343][ T2496] new_sync_write+0x388/0x4a0 [ 956.172014][ T2496] ? __rcu_read_unlock+0x66/0x3d0 [ 956.177046][ T2496] __vfs_write+0xb1/0xc0 [ 956.181338][ T2496] vfs_write+0x18a/0x390 [ 956.185582][ T2496] ksys_write+0xd5/0x1b0 [ 956.189826][ T2496] __x64_sys_write+0x4c/0x60 [ 956.194484][ T2496] do_syscall_64+0xcc/0x3a0 [ 956.198992][ T2496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 956.204970][ T2496] RIP: 0033:0x45b349 [ 956.208935][ T2496] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 956.228542][ T2496] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 956.236949][ T2496] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 956.244916][ T2496] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 956.252965][ T2496] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 956.260990][ T2496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 956.268954][ T2496] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000008 [ 956.291207][ T26] audit: type=1800 audit(1580103131.756:3689): pid=2502 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16572 res=0 05:32:11 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa03}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:11 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upper']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 956.299013][ T2486] overlayfs: unrecognized mount option "upperd/fil" or missing value [ 956.320258][ T2506] overlayfs: filesystem on './file0' not supported as upperdir [ 956.345461][ T2503] overlayfs: filesystem on './file0' not supported as upperdir 05:32:11 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xf}, 0x10) 05:32:11 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000140)='./file2\x00', &(0x7f0000000080)='overlay\x00', 0x200010, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f77657264c8726b6469723d2e2f66696c65312c75707065726469723d2e6966696c653000000000000000000100ddd96bf742b1eff2dfc4d00ae53a96f036552f59a7cf3797d6c5b4dc20df6b627841d26e76b4c30afd5442b4344350d733d71f4137dccb9c572f89f1e29600dfdec07bb5e8745030782fe7e139f651aeaefd9754aad1466c337170da38aeadce1c09e5200c824b0f2c541e40dd52e24ff40eb0714ab13d498277e74196f3a5fa2295bdccc09355884b23df01954fd8f78142ad0000000000000000"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:11 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:12 executing program 1 (fault-call:8 fault-nth:9): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 956.572681][ T2624] overlayfs: unrecognized mount option "upper" or missing value [ 956.667515][ T2623] overlayfs: filesystem on './file0' not supported as upperdir [ 956.693430][ T2624] fuse: Bad value for 'max_read' 05:32:12 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x80, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 956.815553][ T2635] overlayfs: filesystem on './file0' not supported as upperdir 05:32:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 956.859758][ T2642] FAULT_INJECTION: forcing a failure. [ 956.859758][ T2642] name failslab, interval 1, probability 0, space 0, times 0 [ 956.861631][ T2641] overlayfs: filesystem on './file0' not supported as upperdir [ 956.872592][ T2642] CPU: 0 PID: 2642 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 956.888894][ T2642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 956.898972][ T2642] Call Trace: [ 956.902278][ T2642] dump_stack+0x11d/0x181 [ 956.906729][ T2642] should_fail.cold+0xa/0x1a [ 956.911350][ T2642] __should_failslab+0xee/0x130 [ 956.916329][ T2642] should_failslab+0x9/0x14 [ 956.920853][ T2642] kmem_cache_alloc+0x29/0x5d0 [ 956.925635][ T2642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 956.931558][ T2642] ? ext4_es_can_be_merged+0xfa/0x1b0 [ 956.937162][ T2642] __es_insert_extent+0x1f0/0x880 [ 956.942230][ T2642] ext4_es_insert_extent+0x1c0/0x5c0 [ 956.947732][ T2642] ext4_map_blocks+0x3f5/0xff0 [ 956.952621][ T2642] ? ext4_alloc_io_end_vec+0x124/0x160 [ 956.958154][ T2642] ext4_writepages+0x135e/0x2500 [ 956.963107][ T2642] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 956.968643][ T2642] ? ext4_mark_inode_dirty+0x420/0x420 [ 956.974118][ T2642] do_writepages+0x6b/0x170 [ 956.978631][ T2642] ? do_writepages+0x6b/0x170 [ 956.983329][ T2642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 956.989632][ T2642] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 956.995548][ T2642] __filemap_fdatawrite_range+0x1c5/0x230 [ 957.001350][ T2642] file_write_and_wait_range+0xfd/0x160 05:32:12 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xa}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.006919][ T2642] ext4_sync_file+0x266/0xaf0 [ 957.011610][ T2642] ? generic_perform_write+0x274/0x320 [ 957.017101][ T2642] ? __read_once_size.constprop.0+0x20/0x20 [ 957.023228][ T2642] vfs_fsync_range+0x82/0x150 [ 957.027930][ T2642] ext4_buffered_write_iter+0x222/0x290 [ 957.030591][ T2756] overlayfs: workdir and upperdir must be separate subtrees [ 957.033568][ T2642] ext4_file_write_iter+0xf4/0xd40 [ 957.033610][ T2642] ? common_file_perm+0x1d5/0x490 [ 957.051034][ T2642] do_iter_readv_writev+0x487/0x5b0 [ 957.056391][ T2642] ? security_file_permission+0x88/0x280 [ 957.062058][ T2642] do_iter_write+0x13b/0x3c0 [ 957.066666][ T2642] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 957.072587][ T2642] vfs_iter_write+0x5c/0x80 [ 957.077162][ T2642] ovl_write_iter+0x366/0x550 [ 957.081993][ T2642] new_sync_write+0x388/0x4a0 [ 957.086723][ T2642] ? __rcu_read_unlock+0x66/0x3d0 [ 957.091843][ T2642] __vfs_write+0xb1/0xc0 [ 957.096113][ T2642] vfs_write+0x18a/0x390 [ 957.098378][ T2756] fuse: Bad value for 'max_read' [ 957.100439][ T2642] ksys_write+0xd5/0x1b0 [ 957.100468][ T2642] __x64_sys_write+0x4c/0x60 [ 957.114241][ T2642] do_syscall_64+0xcc/0x3a0 [ 957.118810][ T2642] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 957.124819][ T2642] RIP: 0033:0x45b349 [ 957.128738][ T2642] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 957.148628][ T2642] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 05:32:12 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa04}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.157057][ T2642] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 957.165343][ T2642] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 957.173449][ T2642] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 957.181555][ T2642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 957.189544][ T2642] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 0000000000000009 05:32:12 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x10}, 0x10) [ 957.281575][ T2758] overlayfs: filesystem on './file0' not supported as upperdir 05:32:12 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:12 executing program 1 (fault-call:8 fault-nth:10): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) 05:32:13 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) open(&(0x7f0000000200)='./file0\x00', 0x200000, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x8280, 0x0) getpeername$inet(r1, &(0x7f0000000140)={0x2, 0x0, @multicast2}, &(0x7f00000001c0)=0x10) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.512502][ T2770] overlayfs: filesystem on './file0' not supported as upperdir [ 957.536279][ T2771] overlayfs: filesystem on './file0' not supported as upperdir [ 957.566485][ T2769] overlayfs: filesystem on './file0' not supported as upperdir [ 957.585538][ T2810] overlayfs: workdir and upperdir must be separate subtrees 05:32:13 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x88}, 0x10) 05:32:13 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa05}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.677613][ T2884] fuse: Bad value for 'fd' 05:32:13 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xf}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.725184][ T2883] FAULT_INJECTION: forcing a failure. [ 957.725184][ T2883] name failslab, interval 1, probability 0, space 0, times 0 [ 957.756611][ T2883] CPU: 0 PID: 2883 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 957.763961][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 957.763994][ T26] audit: type=1804 audit(1580103133.226:3694): pid=2810 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/896/bus/bus" dev="sda1" ino=16534 res=1 [ 957.765257][ T2883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 957.765263][ T2883] Call Trace: [ 957.765287][ T2883] dump_stack+0x11d/0x181 [ 957.765372][ T2883] should_fail.cold+0xa/0x1a [ 957.765471][ T2883] ? mempool_free+0x1b0/0x1b0 [ 957.823470][ T2883] __should_failslab+0xee/0x130 [ 957.828374][ T2883] should_failslab+0x9/0x14 [ 957.832894][ T2883] kmem_cache_alloc+0x29/0x5d0 [ 957.837790][ T2883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 957.844050][ T2883] ? __this_cpu_preempt_check+0x45/0x140 [ 957.849710][ T2883] ? mempool_free+0x1b0/0x1b0 [ 957.854391][ T2883] mempool_alloc_slab+0x27/0x40 [ 957.859304][ T2883] mempool_alloc+0x8e/0x270 [ 957.863812][ T2883] ? __unlock_page_memcg+0x47/0xa0 [ 957.869045][ T2883] ? unlock_page_memcg+0x28/0x30 [ 957.873999][ T2883] bio_alloc_bioset+0x223/0x3e0 [ 957.878885][ T2883] ext4_bio_write_page+0x676/0xb4e [ 957.884206][ T2883] mpage_submit_page+0xe4/0x1a0 [ 957.889086][ T2883] mpage_map_and_submit_buffers+0x3c4/0x6c0 [ 957.895107][ T2883] ? audit_tag_tree+0x861/0xca0 [ 957.900077][ T2883] ? ext4_map_blocks+0x445/0xff0 [ 957.905194][ T2883] ? ext4_alloc_io_end_vec+0x124/0x160 [ 957.910690][ T2883] ext4_writepages+0x1449/0x2500 [ 957.912244][ T2887] overlayfs: filesystem on './file0' not supported as upperdir 05:32:13 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/qat_adf_ctl\x00', 0x8000, 0x0) r1 = getpid() sendmsg$nl_generic(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000001c0)={&(0x7f0000001480)={0x1130, 0x34, 0x1, 0x70bd2d, 0x2, {0x1a}, [@typed={0x4, 0xb}, @generic="651048fa6a4f2a93085e6a9dfab083dbeb7f89bc23a4db1a5211c07860991e955e190c614ddfc6b4b508584c38127f38874e8a6fd72204e239482ead1c2db94530fa6a8d", @nested={0xcd, 0x87, 0x0, 0x1, [@typed={0x8, 0x13, 0x0, 0x0, @pid=r1}, @generic="09138a16d5de4142528b135715fea136fed6c91d386e7e44e4fc139cf79b2426fd88a181cc5749dd627bab3ea2faee4dbafaff0ae0aa5ca9ec3297baf7765342c8044df036b35f8a971a928324f7c57b7b120607bb3d09aa3e2ff4c53fe04ae0f5535f9ba582850f5a61a571cb40a23d7f0a592307a16cbf0dc8323a7a296edbc08a7d4b6c50bcd961288719f132713e330b098d421a98a281d07b4e46024d3a48a36c4cc174ff4396", @typed={0x6, 0xca, 0x0, 0x0, @str='@\x00'}, @typed={0x4, 0x94}, @typed={0xc, 0x7d, 0x0, 0x0, @u64}]}, @typed={0x1004, 0x94, 0x0, 0x0, @binary="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"}]}, 0x1130}, 0x1, 0x0, 0x0, 0x10}, 0x4004801) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdiupperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r2 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 957.915676][ T2883] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 957.915717][ T2883] ? ext4_mark_inode_dirty+0x420/0x420 [ 957.934292][ T2883] do_writepages+0x6b/0x170 [ 957.938841][ T2883] ? do_writepages+0x6b/0x170 [ 957.943542][ T2883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 957.949854][ T2883] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 957.955937][ T2883] __filemap_fdatawrite_range+0x1c5/0x230 [ 957.961701][ T2883] file_write_and_wait_range+0xfd/0x160 [ 957.967439][ T2883] ext4_sync_file+0x266/0xaf0 [ 957.972138][ T2883] ? generic_perform_write+0x274/0x320 [ 957.977699][ T2883] ? __read_once_size.constprop.0+0x20/0x20 [ 957.983706][ T2883] vfs_fsync_range+0x82/0x150 [ 957.988468][ T2883] ext4_buffered_write_iter+0x222/0x290 [ 957.994014][ T2883] ext4_file_write_iter+0xf4/0xd40 [ 957.999201][ T2883] ? common_file_perm+0x1d5/0x490 [ 958.004216][ T2883] do_iter_readv_writev+0x487/0x5b0 [ 958.009452][ T2883] ? security_file_permission+0x88/0x280 [ 958.015148][ T2883] do_iter_write+0x13b/0x3c0 [ 958.019748][ T2883] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 958.025657][ T2883] vfs_iter_write+0x5c/0x80 [ 958.030172][ T2883] ovl_write_iter+0x366/0x550 [ 958.034888][ T2883] new_sync_write+0x388/0x4a0 [ 958.039568][ T2883] ? __rcu_read_unlock+0x66/0x3d0 [ 958.044878][ T2883] __vfs_write+0xb1/0xc0 [ 958.049129][ T2883] vfs_write+0x18a/0x390 [ 958.053373][ T2883] ksys_write+0xd5/0x1b0 [ 958.057624][ T2883] __x64_sys_write+0x4c/0x60 [ 958.062345][ T2883] do_syscall_64+0xcc/0x3a0 [ 958.066859][ T2883] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 958.072945][ T2883] RIP: 0033:0x45b349 [ 958.076836][ T2883] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 958.096443][ T2883] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 958.104850][ T2883] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 958.112963][ T2883] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 05:32:13 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 958.120923][ T2883] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 958.128932][ T2883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 958.136950][ T2883] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 000000000000000a 05:32:13 executing program 1 (fault-call:8 fault-nth:11): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 958.278794][ T2891] overlayfs: workdir and upperdir must be separate subtrees [ 958.398817][ T2891] fuse: Bad value for 'max_read' [ 958.400530][ T2896] overlayfs: filesystem on './file0' not supported as upperdir [ 958.411760][ T2901] overlayfs: unrecognized mount option "workdiupperdir=./file0" or missing value [ 958.435223][ T2900] overlayfs: filesystem on './file0' not supported as upperdir [ 958.436064][ T2902] overlayfs: filesystem on './file0' not supported as upperdir [ 958.479312][ T26] audit: type=1804 audit(1580103133.946:3695): pid=2891 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/897/bus/bus" dev="sda1" ino=16592 res=1 [ 958.486901][ T2963] overlayfs: unrecognized mount option "workdiupperdir=./file0" or missing value 05:32:14 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa06}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 958.612493][ T26] audit: type=1800 audit(1580103133.986:3696): pid=2905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16614 res=0 05:32:14 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x10}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:14 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x5829}, 0x10) 05:32:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 958.671779][ T3012] overlayfs: './bus' not a directory 05:32:14 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(&(0x7f00000000c0)='./bus\x00', 0x400, 0x8) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 958.721496][ T3012] FAULT_INJECTION: forcing a failure. [ 958.721496][ T3012] name failslab, interval 1, probability 0, space 0, times 0 [ 958.833787][ T3012] CPU: 0 PID: 3012 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 958.842512][ T3012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 958.852579][ T3012] Call Trace: [ 958.855888][ T3012] dump_stack+0x11d/0x181 [ 958.860260][ T3012] should_fail.cold+0xa/0x1a [ 958.864870][ T3012] ? mempool_free+0x1b0/0x1b0 [ 958.869571][ T3012] __should_failslab+0xee/0x130 [ 958.874454][ T3012] should_failslab+0x9/0x14 [ 958.878988][ T3012] kmem_cache_alloc+0x29/0x5d0 [ 958.883891][ T3012] ? memcg_kmem_put_cache+0x7c/0xc0 [ 958.889140][ T3012] ? debug_smp_processor_id+0x43/0x137 [ 958.894711][ T3012] ? kmem_cache_alloc+0x1f3/0x5d0 [ 958.897528][ T3022] overlayfs: failed to resolve './fil': -2 [ 958.899906][ T3012] ? mempool_free+0x1b0/0x1b0 [ 958.900002][ T3012] mempool_alloc_slab+0x27/0x40 [ 958.915278][ T3012] mempool_alloc+0x8e/0x270 [ 958.917562][ T3021] overlayfs: filesystem on './file0' not supported as upperdir [ 958.919797][ T3012] ? mempool_free+0x1b0/0x1b0 [ 958.919826][ T3012] ? mempool_alloc_slab+0x2f/0x40 [ 958.937052][ T3012] ? mempool_alloc+0xa0/0x270 [ 958.941924][ T3012] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 958.947843][ T3012] bvec_alloc+0x143/0x1e0 [ 958.952194][ T3012] bio_alloc_bioset+0x2b7/0x3e0 [ 958.957070][ T3012] ext4_bio_write_page+0x676/0xb4e [ 958.962332][ T3012] mpage_submit_page+0xe4/0x1a0 [ 958.967209][ T3012] mpage_map_and_submit_buffers+0x3c4/0x6c0 [ 958.973256][ T3012] ? audit_tag_tree+0x861/0xca0 [ 958.978135][ T3012] ? ext4_map_blocks+0x445/0xff0 [ 958.983098][ T3012] ? ext4_alloc_io_end_vec+0x124/0x160 [ 958.988580][ T3012] ext4_writepages+0x1449/0x2500 [ 958.992846][ T3022] fuse: Bad value for 'max_read' [ 958.993557][ T3012] ? ext4_mark_inode_dirty+0x420/0x420 [ 958.993585][ T3012] do_writepages+0x6b/0x170 [ 959.008593][ T3012] ? do_writepages+0x6b/0x170 [ 959.013440][ T3012] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 959.019362][ T3012] __filemap_fdatawrite_range+0x1c5/0x230 [ 959.025152][ T3012] file_write_and_wait_range+0xfd/0x160 [ 959.030771][ T3012] ext4_sync_file+0x266/0xaf0 [ 959.035500][ T3012] ? generic_perform_write+0x274/0x320 [ 959.040996][ T3012] ? __read_once_size.constprop.0+0x20/0x20 [ 959.046920][ T3012] vfs_fsync_range+0x82/0x150 [ 959.051616][ T3012] ext4_buffered_write_iter+0x222/0x290 [ 959.057220][ T3012] ext4_file_write_iter+0xf4/0xd40 [ 959.062364][ T3012] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 959.068734][ T3012] ? _kstrtoull+0xfc/0x130 [ 959.073181][ T3012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 959.079469][ T3012] ? iov_iter_init+0xe2/0x120 [ 959.081371][ T26] audit: type=1804 audit(1580103134.546:3697): pid=3022 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/898/bus/bus" dev="sda1" ino=16587 res=1 [ 959.084196][ T3012] new_sync_write+0x388/0x4a0 [ 959.084226][ T3012] ? __rcu_read_unlock+0x66/0x3d0 [ 959.118842][ T3012] __vfs_write+0xb1/0xc0 [ 959.123111][ T3012] vfs_write+0x18a/0x390 [ 959.127401][ T3012] ksys_write+0xd5/0x1b0 [ 959.131729][ T3012] __x64_sys_write+0x4c/0x60 [ 959.136346][ T3012] do_syscall_64+0xcc/0x3a0 [ 959.141045][ T3012] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 959.147002][ T3012] RIP: 0033:0x45b349 [ 959.150923][ T3012] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 959.162070][ T3028] overlayfs: filesystem on './file0' not supported as upperdir 05:32:14 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x88}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:14 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 959.170537][ T3012] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 959.170555][ T3012] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 959.170566][ T3012] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 959.170576][ T3012] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 959.170586][ T3012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 959.170596][ T3012] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 000000000000000b [ 959.235131][ T26] audit: type=1804 audit(1580103134.666:3698): pid=3031 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir292020216/syzkaller.bymCKF/926/bus/bus" dev="overlay" ino=16607 res=1 [ 959.286607][ T3033] overlayfs: failed to resolve './fil': -2 [ 959.294576][ T3017] overlayfs: filesystem on './file0' not supported as upperdir 05:32:14 executing program 1 (fault-call:8 fault-nth:12): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) 05:32:14 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$mouse(&(0x7f00000000c0)='/dev/input/mouse#\x00', 0xed, 0x610800) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x40000}}, 0x34) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 959.384848][ T3038] fuse: Bad value for 'fd' 05:32:14 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa08}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 959.501677][ T26] audit: type=1804 audit(1580103134.966:3699): pid=3033 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/899/bus/bus" dev="sda1" ino=16553 res=1 [ 959.549142][ T3042] overlayfs: filesystem on './file0' not supported as upperdir [ 959.570818][ T3046] overlayfs: filesystem on './file0' not supported as upperdir [ 959.592069][ T3045] FAULT_INJECTION: forcing a failure. [ 959.592069][ T3045] name failslab, interval 1, probability 0, space 0, times 0 [ 959.638723][ T3045] CPU: 0 PID: 3045 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0 [ 959.647591][ T3045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 959.657677][ T3045] Call Trace: [ 959.660988][ T3045] dump_stack+0x11d/0x181 [ 959.665340][ T3045] should_fail.cold+0xa/0x1a [ 959.669961][ T3045] __should_failslab+0xee/0x130 [ 959.674841][ T3045] should_failslab+0x9/0x14 [ 959.679404][ T3045] kmem_cache_alloc_node+0x39/0x660 [ 959.684624][ T3045] ? __getblk_gfp+0x63/0x570 [ 959.689275][ T3045] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 959.695535][ T3045] create_task_io_context+0x5b/0x290 [ 959.700993][ T3045] generic_make_request_checks+0xefe/0x1040 [ 959.706914][ T3045] ? __read_once_size+0xd1/0x110 [ 959.712344][ T3045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 959.718605][ T3045] generic_make_request+0x3e/0x700 [ 959.723745][ T3045] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 959.729498][ T3045] ? mpage_release_unused_pages+0x438/0x4f0 [ 959.735411][ T3045] submit_bio+0x96/0x3c0 [ 959.739670][ T3045] ? ext4_mark_inode_dirty+0xf6/0x420 [ 959.745101][ T3045] ext4_io_submit+0xdf/0x110 [ 959.745238][ T3162] overlayfs: filesystem on './file0' not supported as upperdir [ 959.749711][ T3045] ext4_writepages+0xefa/0x2500 [ 959.749774][ T3045] ? ext4_mark_iloc_dirty+0xec1/0x1580 [ 959.763002][ T3066] overlayfs: filesystem on './file0' not supported as upperdir [ 959.767744][ T3045] ? ext4_mark_inode_dirty+0x420/0x420 [ 959.767762][ T3045] do_writepages+0x6b/0x170 [ 959.767778][ T3045] ? do_writepages+0x6b/0x170 [ 959.767826][ T3045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 959.767891][ T3045] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 959.802169][ T3045] __filemap_fdatawrite_range+0x1c5/0x230 [ 959.808008][ T3045] file_write_and_wait_range+0xfd/0x160 [ 959.813584][ T3045] ext4_sync_file+0x266/0xaf0 [ 959.818316][ T3045] ? generic_perform_write+0x274/0x320 [ 959.823802][ T3045] ? __read_once_size.constprop.0+0x20/0x20 [ 959.829717][ T3045] vfs_fsync_range+0x82/0x150 [ 959.834422][ T3045] ext4_buffered_write_iter+0x222/0x290 [ 959.839995][ T3045] ext4_file_write_iter+0xf4/0xd40 [ 959.845130][ T3045] ? common_file_perm+0x1d5/0x490 [ 959.850290][ T3045] do_iter_readv_writev+0x487/0x5b0 [ 959.855507][ T3045] ? security_file_permission+0x88/0x280 [ 959.861309][ T3045] do_iter_write+0x13b/0x3c0 [ 959.866015][ T3045] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 959.871992][ T3045] vfs_iter_write+0x5c/0x80 [ 959.876564][ T3045] ovl_write_iter+0x366/0x550 [ 959.881404][ T3045] new_sync_write+0x388/0x4a0 [ 959.886098][ T3045] ? __rcu_read_unlock+0x66/0x3d0 [ 959.891155][ T3045] __vfs_write+0xb1/0xc0 [ 959.895432][ T3045] vfs_write+0x18a/0x390 05:32:15 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa09}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:15 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = geteuid() setsockopt$SO_TIMESTAMPING(0xffffffffffffffff, 0x1, 0x25, &(0x7f00000001c0)=0x4080, 0x4) syz_mount_image$msdos(&(0x7f00000000c0)='msdos\x00', &(0x7f0000000140)='./file1/file0\x00', 0x10000000000, 0x0, &(0x7f00000001c0), 0x20, &(0x7f0000000300)={[{@fat=@check_normal='check=normal'}, {@nodots='nodots'}, {@nodots='nodots'}, {@dots='dots'}, {@fat=@tz_utc='tz=UTC'}, {@nodots='nodots'}, {@nodots='nodots'}, {@nodots='nodots'}], [{@euid_gt={'euid>', r0}}, {@pcr={'pcr', 0x3d, 0x3a}}]}) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) mkdirat(r1, &(0x7f00000002c0)='./file1/file0\x00', 0x8e) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f0000000200)='./file2\x00') r2 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 959.899813][ T3045] ksys_write+0xd5/0x1b0 [ 959.904069][ T3045] __x64_sys_write+0x4c/0x60 [ 959.908735][ T3045] do_syscall_64+0xcc/0x3a0 [ 959.913316][ T3045] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 959.919265][ T3045] RIP: 0033:0x45b349 [ 959.923259][ T3045] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 05:32:15 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xe0}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:15 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa02}, 0x10) [ 959.943124][ T3045] RSP: 002b:00007fee758dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 959.951611][ T3045] RAX: ffffffffffffffda RBX: 00007fee758dd6d4 RCX: 000000000045b349 [ 959.959595][ T3045] RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 [ 959.967688][ T3045] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 959.975748][ T3045] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 959.983791][ T3045] R13: 0000000000000c7d R14: 00000000004cd5d6 R15: 000000000000000c 05:32:15 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./fil']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:15 executing program 1 (fault-call:8 fault-nth:13): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 960.242419][ T3186] overlayfs: failed to resolve './fil': -2 [ 960.296071][ T3185] overlayfs: filesystem on './file0' not supported as upperdir [ 960.308959][ T3184] overlayfs: filesystem on './file0' not supported as upperdir [ 960.310584][ T3183] overlayfs: filesystem on './file0' not supported as upperdir [ 960.322161][ T3194] fuse: Bad value for 'fd' [ 960.354008][ T3197] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 05:32:15 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0c}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 960.411167][ T26] audit: type=1804 audit(1580103135.876:3700): pid=3194 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/900/bus/bus" dev="sda1" ino=16613 res=1 05:32:15 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa03}, 0x10) 05:32:16 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4029}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:16 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) lsetxattr$trusted_overlay_opaque(&(0x7f00000000c0)='./bus\x00', &(0x7f0000000140)='trusted.overlay.opaque\x00', &(0x7f00000001c0)='y\x00', 0x2, 0x3) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r1, 0x4, 0x42000) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xe, r1, 0x0) fcntl$setstatus(r2, 0x4, 0x42000) lseek(r2, 0x0, 0x0) 05:32:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 960.807684][ T3347] overlayfs: filesystem on './file0' not supported as upperdir [ 960.826187][ T3350] overlayfs: failed to resolve './file': -2 [ 960.853155][ T3348] overlayfs: filesystem on './file0' not supported as upperdir [ 960.921674][ T3349] overlayfs: filesystem on './file0' not supported as upperdir [ 960.934280][ T3350] fuse: Bad value for 'max_read' [ 960.940637][ T3353] overlayfs: filesystem on './file0' not supported as upperdir 05:32:16 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0d}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:16 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xffe0}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 961.015741][ T26] audit: type=1804 audit(1580103136.476:3701): pid=3350 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/901/bus/bus" dev="sda1" ino=16538 res=1 05:32:16 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa04}, 0x10) 05:32:16 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000001c0)='./file0\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:16 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:16 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x5, 0x8}, 0x10) creat(0x0, 0x0) [ 961.314351][ T3488] overlayfs: filesystem on './file0' not supported as upperdir [ 961.328241][ T3494] overlayfs: failed to resolve './file': -2 [ 961.385918][ T3497] overlayfs: filesystem on './file0' not supported as upperdir [ 961.422747][ T3496] overlayfs: filesystem on './file0' not supported as upperdir [ 961.431162][ T3499] overlayfs: './bus' not a directory [ 961.443482][ T3494] fuse: Bad value for 'max_read' 05:32:17 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa02}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 961.486777][ T26] audit: type=1804 audit(1580103136.956:3702): pid=3494 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/902/bus/bus" dev="sda1" ino=16584 res=1 [ 961.521436][ T3505] overlayfs: './bus' not a directory 05:32:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:17 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000000c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(0xffffffffffffffff, 0xc02064b2, &(0x7f0000000140)={0x49e, 0x5, 0x3, 0xfffffffa, 0x0}) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r2, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r2, 0xc008551a, &(0x7f0000000200)={0xffffffff, 0x20, [0x3, 0x3, 0x18000, 0x10001, 0x6, 0x2, 0x81, 0x2f6102d7]}) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r0, 0xc02064b2, &(0x7f00000001c0)={0x6006, 0x3, 0x1f, 0x7ff, r1}) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 961.630251][ T26] audit: type=1800 audit(1580103136.986:3703): pid=3506 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16569 res=0 05:32:17 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0f}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:17 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa05}, 0x10) [ 961.774863][ T3613] overlayfs: filesystem on './file0' not supported as upperdir [ 961.849867][ T3617] overlayfs: filesystem on './file0' not supported as upperdir [ 961.852457][ T3619] overlayfs: failed to resolve './file': -2 05:32:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xa, 0x8}, 0x10) creat(0x0, 0x0) 05:32:17 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa03}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 961.978850][ T3630] fuse: Bad value for 'fd' [ 961.984055][ T3629] overlayfs: filesystem on './file0' not supported as upperdir [ 962.079013][ T3633] overlayfs: filesystem on './file0' not supported as upperdir 05:32:17 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa06}, 0x10) 05:32:17 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa10}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:17 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 962.266396][ T3746] overlayfs: filesystem on './file0' not supported as upperdir [ 962.276931][ T3745] overlayfs: filesystem on './file0' not supported as upperdir 05:32:17 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xf, 0x8}, 0x10) creat(0x0, 0x0) 05:32:17 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa04}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 962.513068][ T3758] overlayfs: filesystem on './file0' not supported as upperdir [ 962.568264][ T3765] overlayfs: filesystem on './file0' not supported as upperdir [ 962.603645][ T3757] fuse: Bad value for 'fd' 05:32:18 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa12}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 962.643164][ T3763] overlayfs: filesystem on './file0' not supported as upperdir 05:32:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:18 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa08}, 0x10) [ 962.711552][ T3785] overlayfs: filesystem on './file0' not supported as upperdir 05:32:18 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0xfd, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r2, 0x4, 0x42000) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000300)={0xfffffffb, 0x1, 0x4, 0x800, 0x6ee9, {r0, r1/1000+10000}, {0x2, 0x2, 0x0, 0x7, 0x40, 0x7, "935ad673"}, 0x7ff, 0x3, @userptr=0xed5, 0x3, 0x0, r2}) write$midi(r3, &(0x7f0000000380)="193b01a599564622eb849d00b1a3f54f7e125e9077b41a0bac024bd00aa53cc75010447ab9ce5091cb898dafc34d2f510564c976226b95fe2d03ca6182fb4f8eef66a2f56adef3a35af3171a14a2b3f60b1434cfc93d73993bf6862f548992ae25da723b16749f331d5157a9e68e9b4f7a2de134a6818dbc852fbfffc9d8441ef8ed7d5fc6f5671f876ceed2771b7ebc6e7e158fb1acd54ee48b7d09de28ded567265ead1955c12b918cdf0339f8163823195b47f3f02654c8243dda8913ec6577bba59caaef5a496e644192f08a87bffa87673854e5347ea1dcb772ecdb8372159d196ff7", 0xe5) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000480)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b64691b27a9118a723d2e2f66696c65312c75707065726469723d2e2f66696c6530a9c43d9b7a8ff0e0b0cb2b7da4be932598c16c242d81ffeeaf2697697ce32da1b27f4cb0d81922dbdc8fd971b1fc407d60da269dfb221fc3468136b7ce89dafefc96cd2d665e4f1ad10398668e4ef87cb07d669f49608374248ccfcf9f7bd3ea6cd5226b45b785c8913e01cb45f7fab597b458f02207b76e7478e643f9160ccb9cedf527d9c90d4b65ae2f82fa33e94976be62135af96045cad2"]) chdir(&(0x7f00000002c0)='./bus\x00') r4 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r4, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r5, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$DRM_IOCTL_WAIT_VBLANK(r5, 0xc018643a, &(0x7f00000000c0)={0x0, 0x2, 0x15}) lseek(0xffffffffffffffff, 0x0, 0x0) connect$unix(r4, &(0x7f00000001c0)=@abs={0x0, 0x0, 0x4e20}, 0x6e) 05:32:18 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa05}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x10, 0x8}, 0x10) creat(0x0, 0x0) [ 962.979759][ T3888] overlayfs: filesystem on './file0' not supported as upperdir [ 963.024385][ T3887] fuse: Bad value for 'fd' [ 963.042393][ T26] kauditd_printk_skb: 5 callbacks suppressed [ 963.042410][ T26] audit: type=1800 audit(1580103138.506:3709): pid=3894 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16533 res=0 [ 963.069522][ T3896] overlayfs: unrecognized mount option "workdi'©Šr=./file1" or missing value 05:32:18 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa19}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 963.117664][ T3895] overlayfs: filesystem on './file0' not supported as upperdir 05:32:18 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 963.230636][ T3903] overlayfs: filesystem on './file0' not supported as upperdir [ 963.276457][ T3933] overlayfs: filesystem on './file0' not supported as upperdir 05:32:18 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa09}, 0x10) [ 963.325480][ T26] audit: type=1800 audit(1580103138.796:3710): pid=4010 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16529 res=0 05:32:18 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xf0, 0x8}, 0x10) creat(0x0, 0x0) 05:32:18 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa06}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 963.390029][ T4015] overlayfs: filesystem on './file0' not supported as upperdir [ 963.397707][ T26] audit: type=1800 audit(1580103138.856:3711): pid=4017 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16539 res=0 05:32:19 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa94}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 963.484286][ T4020] fuse: Bad value for 'fd' 05:32:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 963.784758][ T4029] overlayfs: filesystem on './file0' not supported as upperdir [ 963.805437][ T4033] overlayfs: './bus' not a directory [ 963.809876][ T4034] overlayfs: filesystem on './file0' not supported as upperdir [ 963.820650][ T4032] overlayfs: './bus' not a directory 05:32:19 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfac0}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xfff0, 0x8}, 0x10) creat(0x0, 0x0) [ 963.864011][ T4036] fuse: Bad value for 'max_read' 05:32:19 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) r1 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x2) write$evdev(r1, &(0x7f0000057fa0)=[{}, {}], 0xfffffd24) ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x88031, 0xffffffffffffffff, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 963.894136][ T26] audit: type=1804 audit(1580103139.356:3712): pid=4036 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/907/bus/bus" dev="overlay" ino=16734 res=1 05:32:19 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa08}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:19 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0c}, 0x10) 05:32:19 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 964.258081][ T4149] overlayfs: filesystem on './file0' not supported as upperdir [ 964.290229][ T4151] overlayfs: filesystem on './file0' not supported as upperdir [ 964.312238][ T26] audit: type=1800 audit(1580103139.776:3713): pid=4158 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16588 res=0 [ 964.356965][ T4157] overlayfs: filesystem on './file0' not supported as upperdir [ 964.362888][ T4159] overlayfs: filesystem on './file0' not supported as upperdir 05:32:19 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0xfffffff0, 0x8}, 0x10) creat(0x0, 0x0) 05:32:19 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfad2}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 964.390416][ T26] audit: type=1800 audit(1580103139.856:3714): pid=4170 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16754 res=0 05:32:19 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0d}, 0x10) [ 964.476466][ T4168] fuse: Bad value for 'max_read' 05:32:20 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000001c0)='./file1\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000140)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:20 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa09}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 964.512413][ T26] audit: type=1804 audit(1580103139.976:3715): pid=4168 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/908/bus/bus" dev="overlay" ino=16488 res=1 [ 964.705317][ T4276] overlayfs: './bus' not a directory 05:32:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 964.729978][ T4278] overlayfs: filesystem on './file0' not supported as upperdir [ 964.789777][ T4287] overlayfs: missing 'lowerdir' 05:32:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x2}, 0x10) creat(0x0, 0x0) 05:32:20 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfae2}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 964.863200][ T4287] overlayfs: missing 'lowerdir' [ 964.910278][ T4291] overlayfs: filesystem on './file0' not supported as upperdir [ 964.958341][ T4293] overlayfs: filesystem on './file0' not supported as upperdir [ 965.024436][ T4366] fuse: Bad value for 'max_read' 05:32:20 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0f}, 0x10) 05:32:20 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0d}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 965.143808][ T26] audit: type=1804 audit(1580103140.606:3716): pid=4366 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/909/bus/bus" dev="overlay" ino=16554 res=1 05:32:20 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='l=nwerdir=./buofile1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$bt_BT_CHANNEL_POLICY(0xffffffffffffffff, 0x112, 0xa, &(0x7f0000000400)=0x6, 0x4) write$binfmt_script(r1, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00') sendmsg$NL80211_CMD_SET_MPATH(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x20, r3, 0x1, 0x0, 0x0, {}, [@NL80211_ATTR_MAC={0xa}]}, 0x20}}, 0x0) sendmsg$NL80211_CMD_GET_KEY(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x24, r3, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NL80211_ATTR_KEY_DEFAULT={0x4}, @NL80211_ATTR_MAC={0xa, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000800}, 0x8090) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) rt_sigprocmask(0x3, &(0x7f0000000380)={[0x8]}, &(0x7f00000003c0), 0x8) pipe2(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}, 0x8c000) ioctl$TIOCL_SELLOADLUT(r4, 0x541c, &(0x7f0000000340)={0x5, 0xaf5, 0x80000001, 0x1000, 0x2f}) [ 965.243067][ T4407] overlayfs: filesystem on './file0' not supported as upperdir [ 965.259659][ T4406] overlayfs: filesystem on './file0' not supported as upperdir 05:32:20 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 965.289966][ T4414] overlayfs: unrecognized mount option "l=nwerdir=./buofile1" or missing value 05:32:20 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x4}, 0x10) creat(0x0, 0x0) 05:32:20 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 965.477634][ T4420] overlayfs: filesystem on './file0' not supported as upperdir [ 965.483333][ T4425] fuse: Bad value for 'max_read' [ 965.515572][ T4423] overlayfs: filesystem on './file0' not supported as upperdir [ 965.520904][ T26] audit: type=1804 audit(1580103140.986:3717): pid=4425 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/910/bus/bus" dev="overlay" ino=16624 res=1 05:32:21 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa10}, 0x10) 05:32:21 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0f}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 965.700937][ T4532] overlayfs: filesystem on './file0' not supported as upperdir [ 965.753643][ T4536] overlayfs: filesystem on './file0' not supported as upperdir 05:32:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xa}, 0x10) creat(0x0, 0x0) [ 965.896594][ T4547] overlayfs: filesystem on './file0' not supported as upperdir [ 965.904817][ T4544] overlayfs: filesystem on './file0' not supported as upperdir 05:32:21 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 965.936656][ T26] audit: type=1800 audit(1580103141.406:3718): pid=4548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16695 res=0 [ 966.028268][ T4572] fuse: Bad value for 'max_read' 05:32:21 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa10}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:21 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa12}, 0x10) [ 966.058069][ T4644] overlayfs: filesystem on './file0' not supported as upperdir 05:32:21 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) accept4$llc(r0, &(0x7f00000000c0)={0x1a, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000140)=0x10, 0x800) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x72919e30, 0xfffffffffffffffb}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0', @ANYRES32=r1]) chdir(&(0x7f00000002c0)='./bus\x00') r2 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:21 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:21 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xf}, 0x10) creat(0x0, 0x0) [ 966.285139][ T4662] overlayfs: filesystem on './file0' not supported as upperdir [ 966.387073][ T4669] overlayfs: filesystem on './file0' not supported as upperdir [ 966.455727][ T4674] overlayfs: filesystem on './file0' not supported as upperdir [ 966.499364][ T4675] overlayfs: failed to resolve './file0': -2 [ 966.530071][ T4679] fuse: Bad value for 'max_read' 05:32:22 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:22 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa23}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 966.552786][ T4682] overlayfs: filesystem on './file0' not supported as upperdir [ 966.609271][ T4785] overlayfs: failed to resolve './file0': -2 05:32:22 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa25}, 0x10) 05:32:22 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x10}, 0x10) creat(0x0, 0x0) 05:32:22 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 966.942988][ T4792] overlayfs: filesystem on './file0' not supported as upperdir [ 967.030015][ T4795] overlayfs: filesystem on './file0' not supported as upperdir [ 967.042549][ T4799] overlayfs: filesystem on './file0' not supported as upperdir [ 967.055043][ T4798] overlayfs: filesystem on './file0' not supported as upperdir 05:32:22 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa9a}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 967.074311][ T4803] overlayfs: filesystem on './file0' not supported as upperdir 05:32:22 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:22 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdIr=./fi,e0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) write$P9_RCREATE(r1, &(0x7f00000000c0)={0x18, 0x73, 0x1, {{0x8, 0x20000, 0x1}, 0x7}}, 0x18) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 967.168387][ T4821] fuse: Bad value for 'max_read' 05:32:22 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfab8}, 0x10) 05:32:22 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x88}, 0x10) creat(0x0, 0x0) 05:32:22 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 967.439739][ T4924] overlayfs: unrecognized mount option "upperdIr=./fi" or missing value [ 967.458066][ T4919] overlayfs: filesystem on './file0' not supported as upperdir 05:32:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa9c}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:23 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 967.544133][ T4927] overlayfs: filesystem on './file0' not supported as upperdir [ 967.570595][ T4931] overlayfs: filesystem on './file0' not supported as upperdir [ 967.577497][ T4929] overlayfs: filesystem on './file0' not supported as upperdir 05:32:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xe0}, 0x10) creat(0x0, 0x0) 05:32:23 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfac0}, 0x10) [ 967.719214][ T4993] fuse: Bad value for 'max_read' [ 967.890300][ T5049] overlayfs: filesystem on './file0' not supported as upperdir [ 967.918853][ T5050] overlayfs: filesystem on './file0' not supported as upperdir 05:32:23 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 967.991286][ T5055] overlayfs: filesystem on './file0' not supported as upperdir 05:32:23 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:23 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfac0}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 968.032639][ T5062] overlayfs: filesystem on './file0' not supported as upperdir 05:32:23 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xf0}, 0x10) creat(0x0, 0x0) 05:32:23 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) getsockopt$netlink(0xffffffffffffffff, 0x10e, 0x7, &(0x7f00000001c0)=""/83, &(0x7f00000000c0)=0x53) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:23 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xface}, 0x10) [ 968.299015][ T5170] fuse: Bad value for 'max_read' [ 968.342936][ T5174] overlayfs: filesystem on './file0' not supported as upperdir [ 968.357332][ T5175] overlayfs: filesystem on './file0' not supported as upperdir [ 968.364990][ T26] kauditd_printk_skb: 12 callbacks suppressed [ 968.365012][ T26] audit: type=1804 audit(1580103143.826:3731): pid=5170 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/915/bus/bus" dev="overlay" ino=16569 res=1 [ 968.402718][ T5177] overlayfs: './bus' not a directory 05:32:23 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 968.460448][ T5177] overlayfs: './bus' not a directory [ 968.487164][ T26] audit: type=1800 audit(1580103143.876:3732): pid=5179 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16602 res=0 05:32:24 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 968.522875][ T5185] overlayfs: filesystem on './file0' not supported as upperdir 05:32:24 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 968.577516][ T5194] overlayfs: filesystem on './file0' not supported as upperdir [ 968.601653][ T26] audit: type=1800 audit(1580103143.896:3733): pid=5186 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16542 res=0 05:32:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x5029}, 0x10) creat(0x0, 0x0) 05:32:24 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) 05:32:24 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x391180, 0x1) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) symlinkat(&(0x7f0000000200)='./file1\x00', r1, &(0x7f00000006c0)='./bus\x00') mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x8) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r4 = accept4(r3, 0x0, 0x0, 0x0) splice(r2, 0x0, r4, 0x0, 0x80000001, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r6, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r5, r6}, 0x6858}) r7 = getpid() sendmsg$nl_generic(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0x388, 0x3c, 0x400, 0x70bd2d, 0x25dfdbfd, {0x11}, [@typed={0x8, 0x4d, 0x0, 0x0, @ipv4=@multicast2}, @nested={0x36a, 0x3e, 0x0, 0x1, [@generic="051f54db17428de28dc61a97eb7804745a180ac35a394658a7c661bebcf183835299e49c194f226452ed0250b77bde2f90926e733f28ca06cac732b7a1fdb93b52975b6e9e2c25855c2b56c7243eb046391567e38affea7452d15d041fe80572309df492135972f77d17fa422ec5f0665a1713509357a12a73e735733e3a366151ce1ce19db3", @typed={0x14, 0x76, 0x0, 0x0, @ipv6=@empty}, @typed={0x8, 0x7a, 0x0, 0x0, @uid=r6}, @generic="8cbd6afd68f454deb053d3c495a4755ccad30a1aff691849b90d7dd68f65c3b11781c9148b8cc05c369684ebf6f19a93093e457ff5c6c40f4af3cf30f7c52b5edd5b2df2cae1cf8a51b197ce23ab1a6fa1b6ed0d0cac83fca1f5ded878623ed06aee5fbe7f91948386ca4f7155ebb358022b8ebb8f47560f3a0bff54e8f6c79d4473c5ff7904149164ccdf5eaf0a81b215c662bdc095fe5c7b2a04ad678683de6f2d65d8e4b29112fe30dfee29e569db32477ab36a752f86eec350549a10dd78dc1f6ef0c715db8ccb9895e3", @generic="dad16d477c166d4ac5bffeece785cfe53309cdb8adb0e37b579df71110bdae81b8aaf420bb8d3665c8c2c7aa04cca459437528bfd8c12ce0cf41fcd34aca14309639dc2b39e2f03e57e055f89fc767632cd489746bab7c306baa94b4860628beaee5bb00b591d94fbcd10fc16cca94f8f283c0c7b3028f11dcd5469ccf62a40cc44c71acb7a3fe6eb3abd1fd18feddaeacd11a2f993dbc3ed157c105cfaf9667ea70d1e6d8db1e30bd614efb8ee4cb", @typed={0x4, 0x7e}, @generic="1692f6b5000156051d43abbd1f25ea20c5d8807e4fed0868c98102961d1a44239f0e24086ce471f3e4dd433a1e0d9afd14cf9841c8e7daffd65cc6b5b3eed028dca30da0fa985fe8b5c1162dee8bacfd0b0fd39344f4f6ed4e3f3265ae345cc17d7343e3753f9400db23c1480e5b3c0f93f26cba400b0241de0a6cd5441e38b680409e494ea7b101be7fa0b2bf350a3397f11a4ae50e8701b352d8c93a0df8aa9696c48f16863dfc942ff9c4630dff69a4c7c58c74dff599a2ea9f0e5059ab0b6598cc400b59bbad0f7460357198", @generic="15acf8dc1f077f9692bd733a787fdc352e025605f7dfd497943473487f6b3ae672649b7a6753e539f2807e5f96bcf95fe61f52f9439f611f10dfb50bc71663c0e173c53f52b2eed440eec52cc1dbd82ed285047af0e2e64142e340678808a4e11fa0b88cf3afc06439c8f692203828", @typed={0x8, 0x4d, 0x0, 0x0, @pid=r7}]}]}, 0x388}, 0x1, 0x0, 0x0, 0x80}, 0x800) setsockopt$inet_tcp_TCP_ULP(r2, 0x6, 0x1f, &(0x7f0000000700)='tls\x00', 0x4) lseek(0xffffffffffffffff, 0x0, 0x0) [ 968.815408][ T5298] overlayfs: filesystem on './file0' not supported as upperdir [ 968.876701][ T26] audit: type=1800 audit(1580103144.346:3734): pid=5304 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16555 res=0 [ 968.924914][ T5299] fuse: Bad value for 'max_read' [ 968.951637][ T5308] overlayfs: filesystem on './file0' not supported as upperdir 05:32:24 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 968.981865][ T26] audit: type=1804 audit(1580103144.446:3735): pid=5299 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/916/bus/bus" dev="overlay" ino=16582 res=1 05:32:24 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 969.059789][ T5313] overlayfs: filesystem on './file0' not supported as upperdir 05:32:24 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xffe0}, 0x10) creat(0x0, 0x0) [ 969.131440][ T26] audit: type=1800 audit(1580103144.486:3736): pid=5316 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16567 res=0 05:32:24 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:24 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2}}, 0x10) [ 969.292429][ T5424] overlayfs: filesystem on './file0' not supported as upperdir [ 969.395590][ T5437] fuse: Bad value for 'max_read' [ 969.406902][ T26] audit: type=1804 audit(1580103144.876:3737): pid=5437 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/917/bus/bus" dev="overlay" ino=16580 res=1 05:32:24 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 969.461551][ T5439] overlayfs: filesystem on './file0' not supported as upperdir [ 969.507148][ T5438] overlayfs: filesystem on './file0' not supported as upperdir [ 969.520585][ T26] audit: type=1800 audit(1580103144.966:3738): pid=5441 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16581 res=0 05:32:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:25 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0xfff0}, 0x10) creat(0x0, 0x0) [ 969.647474][ T5447] overlayfs: filesystem on './file0' not supported as upperdir [ 969.709645][ T5453] overlayfs: filesystem on './file0' not supported as upperdir 05:32:25 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:25 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3}}, 0x10) [ 969.888864][ T5562] overlayfs: filesystem on './file0' not supported as upperdir [ 969.899411][ T5564] overlayfs: filesystem on './file0' not supported as upperdir [ 969.923975][ T26] audit: type=1800 audit(1580103145.386:3739): pid=5566 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16584 res=0 [ 969.948534][ T5565] fuse: Bad value for 'fd' 05:32:25 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:25 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 969.987639][ T26] audit: type=1800 audit(1580103145.396:3740): pid=5567 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16585 res=0 05:32:25 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa02}, 0x10) creat(0x0, 0x0) 05:32:25 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(0x0, 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 970.271041][ T5576] overlayfs: filesystem on './file0' not supported as upperdir [ 970.312817][ T5577] overlayfs: filesystem on './file0' not supported as upperdir [ 970.339293][ T5580] overlayfs: filesystem on './file0' not supported as upperdir 05:32:25 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:25 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4}}, 0x10) [ 970.386329][ T5585] overlayfs: filesystem on './file0' not supported as upperdir [ 970.418397][ T5594] overlayfs: filesystem on './file0' not supported as upperdir 05:32:25 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="6c6f7775726469723d2e2f62750300000000000000723d2e40e31674d08c7542e35be87eba36696c65312c75707065726469727d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa03}, 0x10) creat(0x0, 0x0) [ 970.675153][ T5702] overlayfs: filesystem on './file0' not supported as upperdir [ 970.787208][ T5709] overlayfs: unrecognized mount option "lowurdir=./bu" or missing value 05:32:26 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 970.891204][ T5715] overlayfs: unrecognized mount option "lowurdir=./bu" or missing value [ 970.924995][ T5712] overlayfs: filesystem on './file0' not supported as upperdir 05:32:26 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(0x0, 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 970.973243][ T5718] overlayfs: filesystem on './file0' not supported as upperdir [ 970.995252][ T5717] overlayfs: filesystem on './file0' not supported as upperdir 05:32:26 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) 05:32:26 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa04}, 0x10) creat(0x0, 0x0) 05:32:26 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:26 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="6c6f7765726469723d2efbb719a875873a966b6469723d2e2f66696c65312c75707065726469723d2e2f66696865302c6c114a096d8300813575dd313905092589f656d67b0208b2ad314bb668f69a95a05ba7237a02039a5e592ab1b1c1817869e4c6d3b79f1a198e6e9099381f9f62a7ff3193776caf5da9621bf9aed32cabb4969d7a13f20ac7d36545bfed2343ed2bfe5fc1bfee6298"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x40000) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r1, 0x0, r3, 0x0, 0x80000001, 0x0) recvfrom$x25(r3, &(0x7f00000000c0)=""/4, 0x4, 0x103, &(0x7f0000000100)={0x9, @null=' \x00'}, 0x12) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = socket$alg(0x26, 0x5, 0x0) bind$alg(r6, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r7 = accept4(r6, 0x0, 0x0, 0x0) splice(r4, 0x0, r7, 0x0, 0x80000001, 0x0) write$vhci(r5, &(0x7f0000000880)=@HCI_EVENT_PKT={0x4, "2f11266bf3d2469d4f8b7ccadf6d19611a28b7ad0de746e0b69318f1148c394475d56a723e71378bc6bfced29edfce99dc5e580b4d84e9748ef262ca5e1b9321a5eb6f01ce43e2de8a6f2b1dcc4857fcf2a45bd0a512fbc0d6dc8d21c0732e01774956edc8da0fb35afd50adbcfadcc85ee57b96c0ba048cce742b16aec99b3f2387af481af01459d6da11fb010f11bd"}, 0x91) ioctl$KDFONTOP_COPY(r4, 0x4b72, &(0x7f0000000140)={0x3, 0x1, 0x13, 0x1d, 0x89, &(0x7f0000000480)}) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 971.162324][ T5832] overlayfs: filesystem on './file0' not supported as upperdir [ 971.262550][ T5840] overlayfs: unrecognized mount option "lJ mƒ" or missing value 05:32:26 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x12}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:26 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(0x0, 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 971.460125][ T5846] overlayfs: filesystem on './file0' not supported as upperdir [ 971.486884][ T5853] overlayfs: filesystem on './file0' not supported as upperdir [ 971.490310][ T5847] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa05}, 0x10) creat(0x0, 0x0) 05:32:27 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 971.658278][ T5959] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6}}, 0x10) 05:32:27 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x19}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 971.790102][ T5970] overlayfs: filesystem on './file0' not supported as upperdir [ 971.848000][ T5974] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:27 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa06}, 0x10) creat(0x0, 0x0) [ 971.989401][ T5983] overlayfs: filesystem on './file0' not supported as upperdir [ 972.051982][ T5840] overlayfs: unrecognized mount option "lJ mƒ" or missing value 05:32:27 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8}}, 0x10) [ 972.093181][ T5986] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="a3307765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:27 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x94}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 972.313404][ T6096] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 972.362079][ T6099] overlayfs: filesystem on './file0' not supported as upperdir [ 972.425744][ T6103] overlayfs: filesystem on './file0' not supported as upperdir 05:32:27 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa08}, 0x10) creat(0x0, 0x0) 05:32:27 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 972.511165][ T6151] overlayfs: unrecognized mount option "£0werdir=./bus" or missing value 05:32:28 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9}}, 0x10) [ 972.561622][ T6151] overlayfs: unrecognized mount option "£0werdir=./bus" or missing value [ 972.588905][ T6214] overlayfs: filesystem on './file0' not supported as upperdir 05:32:28 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r0, 0x4, 0x42000) r1 = fcntl$dupfd(r0, 0x0, 0xffffffffffffffff) sendmsg$IPCTNL_MSG_CT_GET_STATS_CPU(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, 0x4, 0x1, 0x5, 0x0, 0x0, {0x3, 0x0, 0x2}, ["", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x40c0091}, 0x4800) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:28 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 972.794694][ T6225] overlayfs: filesystem on './file0' not supported as upperdir [ 972.863416][ T6229] overlayfs: filesystem on './file0' not supported as upperdir 05:32:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 972.937572][ T6235] overlayfs: filesystem on './file0' not supported as upperdir 05:32:28 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa09}, 0x10) creat(0x0, 0x0) 05:32:28 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:28 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc}}, 0x10) [ 973.315921][ T6349] overlayfs: filesystem on './file0' not supported as upperdir [ 973.318736][ T6345] overlayfs: filesystem on './file0' not supported as upperdir [ 973.362128][ T6346] overlayfs: filesystem on './file0' not supported as upperdir [ 973.427635][ T6354] overlayfs: filesystem on './file0' not supported as upperdir 05:32:28 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r1, 0x0, r3, 0x0, 0x80000001, 0x0) sendto$unix(r3, &(0x7f0000000300)="3860d5ecb3c1690bb7b6e46fbb9258de4214291847fd3f1394a85444608ae21f5e9e3d566fa3aa5e452ed88a1475e7070cac17179d56856680a24915744d039a92f7089ccc66306d04b7b7be4646f34a985270aa9c764045dc424ec70b38b15ffc62d691a0525bbfa0e73f3c8fe482f4b5a64706289e237c8e5a865f348b5a1286da6dad1097edfafb52ec963de270108996f84451caec4dad97786ddbbd6108", 0xa0, 0x84, &(0x7f00000001c0)=@abs={0x0, 0x0, 0x4e24}, 0x6e) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:28 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:29 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd2}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 973.541412][ T26] kauditd_printk_skb: 15 callbacks suppressed [ 973.541433][ T26] audit: type=1804 audit(1580103149.006:3756): pid=6368 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/924/bus/bus" dev="overlay" ino=16745 res=1 05:32:29 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0c}, 0x10) creat(0x0, 0x0) [ 973.612519][ T6367] overlayfs: filesystem on './file0' not supported as upperdir 05:32:29 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd}}, 0x10) [ 973.941817][ T6482] overlayfs: filesystem on './file0' not supported as upperdir [ 973.944663][ T6476] overlayfs: filesystem on './file0' not supported as upperdir [ 973.953429][ T6481] overlayfs: filesystem on './file0' not supported as upperdir [ 974.009429][ T26] audit: type=1800 audit(1580103149.476:3757): pid=6483 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16626 res=0 05:32:29 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:29 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0d}, 0x10) creat(0x0, 0x0) [ 974.079345][ T26] audit: type=1800 audit(1580103149.506:3758): pid=6489 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16609 res=0 05:32:29 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe2}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:29 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x23}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 974.131886][ T6493] overlayfs: filesystem on './file0' not supported as upperdir 05:32:29 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf}}, 0x10) [ 974.373113][ T6603] fuse: Bad value for 'fd' [ 974.373229][ T6598] overlayfs: filesystem on './file0' not supported as upperdir [ 974.419097][ T26] audit: type=1800 audit(1580103149.886:3759): pid=6604 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16584 res=0 [ 974.432153][ T6473] overlayfs: filesystem on './file0' not supported as upperdir [ 974.490759][ T6605] overlayfs: filesystem on './file0' not supported as upperdir [ 974.507195][ T26] audit: type=1804 audit(1580103149.956:3760): pid=6599 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/925/bus/bus" dev="overlay" ino=16583 res=1 [ 974.547958][ T6607] overlayfs: filesystem on './file0' not supported as upperdir 05:32:30 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa0f}, 0x10) creat(0x0, 0x0) 05:32:30 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdiR=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) execve(&(0x7f00000000c0)='./bus\x00', &(0x7f0000000380)=[&(0x7f0000000140)='mime_type{\x00', &(0x7f00000001c0)='overlay\x00', &(0x7f0000000200)='\x00', &(0x7f0000000300)='system.\x00', &(0x7f0000000340)='overlay\x00'], &(0x7f00000005c0)=[&(0x7f00000003c0)='overlay\x00', &(0x7f0000000400)='overlay\x00', &(0x7f0000000600)='overl\xd6\x80\xd9~:\x01<\xd2\xfe\xb3\x19\v\x80\xed\x00'/41, &(0x7f0000000480)='overlay\x00', &(0x7f00000004c0)='\x00', &(0x7f0000000500)='overlay\x00', &(0x7f0000000540)='\x00', &(0x7f0000000580)='overlay\x00']) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:30 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x300}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 974.617237][ T26] audit: type=1800 audit(1580103150.056:3761): pid=6615 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16628 res=0 05:32:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9a}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 974.718492][ T6621] overlayfs: filesystem on './file0' not supported as upperdir 05:32:30 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10}}, 0x10) 05:32:30 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 974.972894][ T6725] overlayfs: filesystem on './file0' not supported as upperdir [ 975.017172][ T6734] overlayfs: unrecognized mount option "upperdiR=./file0" or missing value [ 975.025583][ T6728] overlayfs: filesystem on './file0' not supported as upperdir 05:32:30 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa10}, 0x10) creat(0x0, 0x0) [ 975.082634][ T6732] overlayfs: filesystem on './file0' not supported as upperdir [ 975.108370][ T6734] overlayfs: unrecognized mount option "upperdiR=./file0" or missing value 05:32:30 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x408}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:30 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9c}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 975.200071][ T6745] overlayfs: filesystem on './file0' not supported as upperdir 05:32:30 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./file1\x00', &(0x7f0000000140)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 975.285826][ T6818] fuse: Bad value for 'fd' [ 975.326795][ T26] audit: type=1804 audit(1580103150.796:3762): pid=6818 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/926/bus/bus" dev="overlay" ino=16526 res=1 05:32:30 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x12}}, 0x10) [ 975.382625][ T6854] overlayfs: filesystem on './file0' not supported as upperdir [ 975.451283][ T26] audit: type=1804 audit(1580103150.916:3763): pid=6749 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/926/bus/bus" dev="overlay" ino=16526 res=1 [ 975.479751][ T6858] overlayfs: filesystem on './file0' not supported as upperdir 05:32:31 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa12}, 0x10) creat(0x0, 0x0) [ 975.561887][ T26] audit: type=1800 audit(1580103151.016:3764): pid=6862 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16533 res=0 05:32:31 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x500}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:31 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 975.680821][ T6871] overlayfs: filesystem on './file0' not supported as upperdir [ 975.715041][ T6868] overlayfs: filesystem on './file0' not supported as upperdir [ 975.727798][ T6872] overlayfs: './bus' not a directory 05:32:31 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="6c917765726469723d2e2f6275732c775bb86b6469723d2e2f66696c65312c757003657264723d2e2f66698a65300880378d317447c945e5398d289c985d48347df82970b8b700"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:31 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x25}}, 0x10) [ 975.864126][ T6911] overlayfs: filesystem on './file0' not supported as upperdir [ 975.949355][ T6986] overlayfs: filesystem on './file0' not supported as upperdir 05:32:31 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa4a}, 0x10) creat(0x0, 0x0) [ 976.067024][ T6991] fuse: Bad value for 'fd' 05:32:31 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x600}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 976.114049][ T6994] overlayfs: unrecognized mount option "l‘werdir=./bus" or missing value [ 976.182761][ T26] audit: type=1804 audit(1580103151.646:3765): pid=6985 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/927/bus/bus" dev="overlay" ino=16530 res=1 05:32:31 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 976.226598][ T6998] overlayfs: unrecognized mount option "l‘werdir=./bus" or missing value [ 976.260964][ T6996] overlayfs: filesystem on './file0' not supported as upperdir [ 976.335472][ T7000] overlayfs: filesystem on './file0' not supported as upperdir [ 976.340867][ T7005] overlayfs: filesystem on './file0' not supported as upperdir 05:32:31 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x300}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:31 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x40, &(0x7f0000000100)=ANY=[@ANYRES16=r0]) chdir(&(0x7f00000002c0)='./bus\x00') r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) lstat(&(0x7f0000000140)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lchown(&(0x7f00000000c0)='./bus\x00', r3, r4) socket$inet_icmp_raw(0x2, 0x3, 0x1) r5 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r6, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$UI_ABS_SETUP(r6, 0x401c5504, &(0x7f0000000340)={0x1f, {0x3ff, 0x8001, 0xff, 0x7ff, 0x0, 0xfff}}) fcntl$setstatus(r5, 0x4, 0x42000) mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x80010, r1, 0x6eb13000) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) arch_prctl$ARCH_SET_GS(0x1001, &(0x7f0000000300)) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:32 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xb8}}, 0x10) 05:32:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfac0}, 0x10) creat(0x0, 0x0) [ 976.489486][ T7047] overlayfs: filesystem on './file0' not supported as upperdir [ 976.596218][ T7124] fuse: Bad value for 'fd' 05:32:32 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x804}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 976.659789][ T7123] overlayfs: unrecognized mount option "" or missing value [ 976.836834][ T7129] overlayfs: filesystem on './file0' not supported as upperdir [ 976.901530][ T7133] overlayfs: filesystem on './file0' not supported as upperdir [ 976.922347][ T7134] overlayfs: filesystem on './file0' not supported as upperdir 05:32:32 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x408}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:32 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0}}, 0x10) 05:32:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfae0}, 0x10) creat(0x0, 0x0) 05:32:32 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 977.125227][ T7245] overlayfs: filesystem on './file0' not supported as upperdir 05:32:32 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x900}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 977.301855][ T7253] overlayfs: filesystem on './file0' not supported as upperdir [ 977.325435][ T7255] overlayfs: filesystem on './file0' not supported as upperdir [ 977.348462][ T7256] overlayfs: filesystem on './file0' not supported as upperdir 05:32:32 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r0, 0x4, 0x42000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000140)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="fcbabd1deaeba1f8054f0c66cf1d3eff4b29d2c4441b09e5850280f755fd76b76fb3b88685bcff951f5394f733b78523bddfad0d31c072e01c500d1ef3e677aba689dc3f7d5bd69ed14278c2e9f713db9ce0039160511231a7ada64d106c177ee6248d37725c01c1e1d2e156ccad80305f94af3b81df4df4bd618506000000b66ed89d6850045c7251e4f2b4f62e4d3705e3268b6fee23c098cccf43075cc6f283e844bf73635746eb018c9f131dea7a8286da7af3b0890de538f33944e59f903a4e74d082cd2aeb9e43095516de99a3cd733776cd3b10d193e2c3db7af65a"]) chdir(&(0x7f00000002c0)='./bus\x00') r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:32 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfae2}, 0x10) creat(0x0, 0x0) 05:32:32 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xce}}, 0x10) [ 977.454222][ T7366] fuse: Bad value for 'fd' 05:32:33 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x500}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 977.642752][ T7370] overlayfs: filesystem on './file0' not supported as upperdir 05:32:33 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, 0xffffffffffffffff, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 977.739035][ T7372] overlayfs: unrecognized mount option "üº½êë¡øO fÏ>ÿK)ÒÄD å…€÷Uýv·o³¸†…¼ÿ•S”÷3·…#½ß­ 1ÀràP óæw«¦‰Ü?}[ÖžÑBxÂé÷Ûœà‘`Q1§­¦Ml~æ$7r\ÁáÒáVÌ­€0_”¯;ßMô½a…" or missing value 05:32:33 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc00}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 977.798580][ T7378] overlayfs: filesystem on './file0' not supported as upperdir [ 977.862946][ T7382] overlayfs: filesystem on './file0' not supported as upperdir [ 977.876942][ T7372] overlayfs: unrecognized mount option "üº½êë¡øO fÏ>ÿK)ÒÄD å…€÷Uýv·o³¸†…¼ÿ•S”÷3·…#½ß­ 1ÀràP óæw«¦‰Ü?}[ÖžÑBxÂé÷Ûœà‘`Q1§­¦Ml~æ$7r\ÁáÒáVÌ­€0_”¯;ßMô½a…" or missing value 05:32:33 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) creat(0x0, 0x0) [ 977.948061][ T7391] overlayfs: filesystem on './file0' not supported as upperdir 05:32:33 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f6443a7f1e2a4c2ae4e592f66696ce1312c757070"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) getsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f00000000c0), &(0x7f0000000140)=0x4) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r1, 0x4, 0x42000) r2 = creat(&(0x7f0000000200)='./file0\x00', 0x40) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r2) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) r3 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r3, 0x4, 0x42000) r4 = dup2(r0, r3) ioctl$VIDIOC_CROPCAP(r4, 0xc02c563a, &(0x7f00000001c0)={0x5, {0x3, 0x200, 0x3, 0x5}, {0x400, 0xbc1, 0x1, 0x7fffffff}, {0x40, 0x80000000}}) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:33 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x300}}, 0x10) [ 978.077612][ T7498] fuse: Bad value for 'fd' 05:32:33 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x600}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 978.182464][ T7501] overlayfs: filesystem on './file0' not supported as upperdir [ 978.241613][ T7507] overlayfs: unrecognized mount option "wodC§ñâ¤Â®NY/filá1" or missing value 05:32:33 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd00}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 978.371687][ T7512] overlayfs: filesystem on './file0' not supported as upperdir [ 978.415476][ T7517] overlayfs: filesystem on './file0' not supported as upperdir [ 978.439752][ T7516] overlayfs: unrecognized mount option "wodC§ñâ¤Â®NY/filá1" or missing value 05:32:33 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) 05:32:33 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2}}, 0x10) creat(0x0, 0x0) [ 978.471702][ T7520] overlayfs: filesystem on './file0' not supported as upperdir 05:32:34 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x408}}, 0x10) 05:32:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x804}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:34 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus(wor/file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 978.691391][ T7632] overlayfs: filesystem on './file0' not supported as upperdir 05:32:34 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf00}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 978.880005][ T7649] fuse: Bad value for 'fd' [ 978.892381][ T7642] overlayfs: filesystem on './file0' not supported as upperdir [ 978.892499][ T7647] overlayfs: missing 'workdir' 05:32:34 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3}}, 0x10) creat(0x0, 0x0) [ 978.938372][ T26] kauditd_printk_skb: 13 callbacks suppressed [ 978.938396][ T26] audit: type=1804 audit(1580103154.406:3779): pid=7653 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/931/bus/bus" dev="overlay" ino=16623 res=1 [ 978.980583][ T7646] overlayfs: filesystem on './file0' not supported as upperdir [ 978.988314][ T26] audit: type=1804 audit(1580103154.456:3780): pid=7638 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/931/bus/bus" dev="overlay" ino=16623 res=1 [ 979.026738][ T7647] overlayfs: missing 'workdir' [ 979.036559][ T7683] overlayfs: filesystem on './file0' not supported as upperdir [ 979.062842][ T26] audit: type=1800 audit(1580103154.526:3781): pid=7650 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16737 res=0 05:32:34 executing program 2: mkdir(&(0x7f0000000240)='./file0\x00', 0x82) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,up0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x6) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:34 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) 05:32:34 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x900}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:34 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x500}}, 0x10) [ 979.248194][ T7766] overlayfs: filesystem on './file0' not supported as upperdir [ 979.313297][ T7765] overlayfs: filesystem on './file0' not supported as upperdir [ 979.329134][ T26] audit: type=1800 audit(1580103154.796:3782): pid=7770 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16567 res=0 [ 979.400287][ T7775] overlayfs: unrecognized mount option "up0" or missing value 05:32:34 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1200}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 979.480274][ T7781] overlayfs: unrecognized mount option "up0" or missing value [ 979.528518][ T7783] overlayfs: filesystem on './file0' not supported as upperdir [ 979.534798][ T7787] fuse: Bad value for 'fd' 05:32:35 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4}}, 0x10) creat(0x0, 0x0) 05:32:35 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r0, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$SG_GET_LOW_DMA(r0, 0x227a, &(0x7f00000000c0)) chdir(&(0x7f00000002c0)='./bus\x00') r1 = open(&(0x7f0000000140)='./file1\x00', 0x24a042, 0x2) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) ioctl$SG_GET_LOW_DMA(r1, 0x227a, &(0x7f00000001c0)) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd00}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 979.622491][ T7782] overlayfs: filesystem on './file0' not supported as upperdir [ 979.641546][ T26] audit: type=1804 audit(1580103155.106:3783): pid=7776 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/932/bus/bus" dev="overlay" ino=16673 res=1 05:32:35 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x600}}, 0x10) [ 979.881240][ T7876] overlayfs: filesystem on './file0' not supported as upperdir [ 979.976472][ T7900] overlayfs: filesystem on './file0' not supported as upperdir [ 980.009378][ T7907] overlayfs: filesystem on './file0' not supported as upperdir 05:32:35 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) 05:32:35 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1900}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 980.031339][ T26] audit: type=1800 audit(1580103155.496:3784): pid=7908 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16637 res=0 05:32:35 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf00}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:35 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5}}, 0x10) creat(0x0, 0x0) [ 980.205404][ T7916] overlayfs: filesystem on './file0' not supported as upperdir [ 980.288794][ T7919] overlayfs: filesystem on './file0' not supported as upperdir [ 980.333363][ T26] audit: type=1800 audit(1580103155.796:3785): pid=7919 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16543 res=0 [ 980.366977][ T8036] fuse: Bad value for 'fd' 05:32:35 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x804}}, 0x10) 05:32:35 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3f00}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 980.430698][ T26] audit: type=1804 audit(1580103155.896:3786): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/933/bus/bus" dev="overlay" ino=16579 res=1 [ 980.452392][ T8037] overlayfs: filesystem on './file0' not supported as upperdir [ 980.484616][ T8038] overlayfs: filesystem on './file0' not supported as upperdir [ 980.535586][ T26] audit: type=1804 audit(1580103155.936:3787): pid=7952 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/933/bus/bus" dev="overlay" ino=16579 res=1 05:32:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2300}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:36 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6}}, 0x10) creat(0x0, 0x0) [ 980.664243][ T26] audit: type=1800 audit(1580103155.986:3788): pid=8042 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16483 res=0 05:32:36 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765ff6469723d2e2f6275732c776f726b6469723d2e2f66696c65312c04707065726469723d2e2f6669d96530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:36 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(0x0, 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 980.793220][ T8049] overlayfs: filesystem on './file0' not supported as upperdir [ 980.926677][ T8054] overlayfs: filesystem on './file0' not supported as upperdir [ 980.973144][ T8203] overlayfs: unrecognized mount option "loweÿdir=./bus" or missing value [ 981.010858][ T8202] overlayfs: filesystem on './file0' not supported as upperdir 05:32:36 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x900}}, 0x10) [ 981.019978][ T8204] fuse: Bad value for 'fd' [ 981.030455][ T8203] overlayfs: unrecognized mount option "loweÿdir=./bus" or missing value 05:32:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:36 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:36 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x200000, 0x186) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) pivot_root(&(0x7f00000001c0)='./file1\x00', &(0x7f0000000200)='./file0\x00') getsockopt$inet_sctp_SCTP_INITMSG(0xffffffffffffffff, 0x84, 0x2, &(0x7f00000000c0), &(0x7f0000000140)=0x8) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 981.082716][ T8195] overlayfs: filesystem on './file0' not supported as upperdir 05:32:36 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8}}, 0x10) creat(0x0, 0x0) [ 981.328724][ T8216] overlayfs: filesystem on './file0' not supported as upperdir 05:32:36 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8008}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:37 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="6c6f7f6572646972f02e2f6275732c776f7239ea32749de465842e2f66696c65312c75707065726469723d2e2f66696c653067d719000000000000"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) write$6lowpan_control(r1, &(0x7f00000000c0)='connect aa:aa:aa:aa:aa:10 0', 0x1b) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 981.494359][ T8222] overlayfs: filesystem on './file0' not supported as upperdir [ 981.526279][ T8229] overlayfs: filesystem on './file0' not supported as upperdir [ 981.560915][ T8231] overlayfs: filesystem on './file0' not supported as upperdir 05:32:37 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8008}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:37 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(0x0, 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:37 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc00}}, 0x10) 05:32:37 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9}}, 0x10) creat(0x0, 0x0) [ 981.837352][ T8352] overlayfs: filesystem on './file0' not supported as upperdir [ 981.856568][ T8357] overlayfs: unrecognized mount option "loerdirð./bus" or missing value 05:32:37 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9400}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 981.962302][ T8357] overlayfs: unrecognized mount option "loerdirð./bus" or missing value [ 981.977789][ T8354] fuse: Bad value for 'max_read' [ 981.978412][ T8359] overlayfs: filesystem on './file0' not supported as upperdir 05:32:37 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0xf) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="6c6f776572646972552e2f62cd7573c0ef9536bc0578ea3d2e2f66696c65312c08007065726469723d2e2f66696c6530885154139696347ce51e9cb5b7beebc1dfaafa122e6f0390818cbf72fff54170fcfd37a5fe49318f0c"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:37 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc}}, 0x10) creat(0x0, 0x0) [ 982.095758][ T8372] overlayfs: filesystem on './file0' not supported as upperdir [ 982.096304][ T8366] overlayfs: filesystem on './file0' not supported as upperdir 05:32:37 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9a00}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:37 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(0x0, 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 982.305580][ T8484] overlayfs: unrecognized mount option "lowerdirU./bÍusÀï•6¼xê=./file1" or missing value 05:32:37 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd00}}, 0x10) [ 982.374765][ T8482] overlayfs: filesystem on './file0' not supported as upperdir [ 982.411387][ T8484] overlayfs: unrecognized mount option "lowerdirU./bÍusÀï•6¼xê=./file1" or missing value 05:32:38 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r1, 0x0, r3, 0x0, 0x80000001, 0x0) setsockopt$RDS_GET_MR_FOR_DEST(r3, 0x114, 0x7, &(0x7f00000003c0)={@un=@file={0x1, './file0/file0\x00'}, {&(0x7f0000000300)=""/171, 0xab}, &(0x7f00000000c0), 0x5}, 0xa0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:38 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 982.485146][ T8493] overlayfs: filesystem on './file0' not supported as upperdir [ 982.511168][ T8494] overlayfs: filesystem on './file0' not supported as upperdir [ 982.563727][ T8503] fuse: Bad value for 'fd' 05:32:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9c00}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:38 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd}}, 0x10) creat(0x0, 0x0) 05:32:38 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 982.774275][ T8507] overlayfs: filesystem on './file0' not supported as upperdir [ 982.839783][ T8514] overlayfs: filesystem on './file0' not supported as upperdir 05:32:38 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf00}}, 0x10) 05:32:38 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd200}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 983.001470][ T8621] overlayfs: filesystem on './file0' not supported as upperdir 05:32:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 983.095921][ T8624] overlayfs: filesystem on './file0' not supported as upperdir [ 983.108038][ T8631] fuse: Bad value for 'fd' 05:32:38 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf}}, 0x10) creat(0x0, 0x0) [ 983.329087][ T8634] overlayfs: filesystem on './file0' not supported as upperdir [ 983.356760][ T8640] overlayfs: filesystem on './file0' not supported as upperdir [ 983.377993][ T8637] overlayfs: filesystem on './file0' not supported as upperdir 05:32:38 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff01}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:38 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1200}}, 0x10) 05:32:39 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe200}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 983.519815][ T8511] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) timerfd_create(0x7, 0x80000) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:39 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 983.673444][ T8750] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10}}, 0x10) creat(0x0, 0x0) [ 983.819982][ T8755] overlayfs: filesystem on './file0' not supported as upperdir [ 983.850106][ T8761] overlayfs: filesystem on './file0' not supported as upperdir [ 983.856169][ T8762] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 983.964101][ T8772] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff01}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 984.009531][ T8876] fuse: Bad value for 'fd' 05:32:39 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2500}}, 0x10) [ 984.122872][ T26] kauditd_printk_skb: 10 callbacks suppressed [ 984.122937][ T26] audit: type=1804 audit(1580103159.586:3799): pid=8767 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/938/bus/bus" dev="overlay" ino=16611 res=1 [ 984.217017][ T8881] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff}) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000580)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000140)={0xffffffffffffffff}, 0x2}}, 0x20) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) splice(r3, 0x0, r5, 0x0, 0x80000001, 0x0) r6 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r6, 0x4, 0x42000) ioctl$VIDIOC_QBUF(r3, 0xc058560f, &(0x7f0000000300)={0x1, 0x7, 0x4, 0x100000, 0x4, {0x77359400}, {0x2, 0xc, 0x3f, 0x0, 0x0, 0x3f, "2788e459"}, 0x7ff, 0x3, @planes=&(0x7f0000000040)={0x7, 0x3f, @mem_offset=0x8a78, 0xffffffff}, 0xc54a, 0x0, r6}) write$RDMA_USER_CM_CMD_RESOLVE_IP(r1, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @mcast1}, r2}}, 0x48) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000140)={0x7, 0x8, 0xfa00, {r2}}, 0x10) open(0x0, 0x236000, 0x25) lseek(0xffffffffffffffff, 0x0, 0x0) [ 984.395240][ T8886] overlayfs: filesystem on './file0' not supported as upperdir 05:32:39 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x12}}, 0x10) creat(0x0, 0x0) 05:32:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x20000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 984.458855][ T8892] overlayfs: filesystem on './file0' not supported as upperdir [ 984.488735][ T8896] overlayfs: './bus' not a directory 05:32:40 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:40 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) 05:32:40 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3f00}}, 0x10) [ 984.782177][ T9011] overlayfs: filesystem on './file0' not supported as upperdir [ 984.811955][ T9012] overlayfs: filesystem on './file0' not supported as upperdir [ 984.844300][ T26] audit: type=1800 audit(1580103160.306:3800): pid=9016 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16553 res=0 [ 984.862766][ T9022] fuse: Bad value for 'fd' [ 984.882908][ T9017] overlayfs: filesystem on './file0' not supported as upperdir 05:32:40 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4a}}, 0x10) creat(0x0, 0x0) 05:32:40 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x20000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 984.931682][ T26] audit: type=1800 audit(1580103160.346:3801): pid=9023 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16533 res=0 05:32:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x24d1c}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 984.998483][ T26] audit: type=1800 audit(1580103160.426:3802): pid=9025 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16597 res=0 [ 985.036757][ T26] audit: type=1804 audit(1580103160.456:3803): pid=9015 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/939/bus/bus" dev="overlay" ino=16601 res=1 05:32:40 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 985.097269][ T9029] overlayfs: filesystem on './file0' not supported as upperdir [ 985.219955][ T9034] overlayfs: filesystem on './file0' not supported as upperdir [ 985.232300][ T8898] overlayfs: filesystem on './file0' not supported as upperdir [ 985.251153][ T9039] overlayfs: filesystem on './file0' not supported as upperdir 05:32:40 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000}}, 0x10) [ 985.297579][ T26] audit: type=1800 audit(1580103160.766:3804): pid=9148 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16573 res=0 05:32:40 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r4 = socket$alg(0x26, 0x5, 0x0) bind$alg(r4, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r5 = accept4(r4, 0x0, 0x0, 0x0) splice(r3, 0x0, r5, 0x0, 0x80000001, 0x0) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000300)={[0x9, 0x8f30, 0x3, 0xfffffffffffffffe, 0x8, 0xa3, 0x0, 0xb0d9, 0x2, 0x7, 0xffffffffffffff4b, 0xffffffff7fffffff, 0x80, 0x1, 0x20a, 0x9], 0x1, 0x1010}) write$binfmt_script(r2, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f00000000c0)={0x50, 0x6, 0x2, 0x8, 0x81, 0xec, 0x1, 0x80, 0x1, 0x20, 0x81, 0x5, 0x7f, 0x7}, 0xe) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) ioctl$RNDZAPENTCNT(r1, 0x5204, &(0x7f0000000140)=0xff) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 985.341627][ T9140] overlayfs: filesystem on './file0' not supported as upperdir 05:32:40 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0}}, 0x10) creat(0x0, 0x0) 05:32:40 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x24f3d}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:40 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x80000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 985.453780][ T9155] fuse: Bad value for 'fd' [ 985.488771][ T26] audit: type=1804 audit(1580103160.956:3805): pid=9155 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/940/bus/bus" dev="overlay" ino=16525 res=1 [ 985.638107][ T26] audit: type=1804 audit(1580103160.996:3806): pid=9151 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/940/bus/bus" dev="overlay" ino=16525 res=1 [ 985.741215][ T9164] overlayfs: filesystem on './file0' not supported as upperdir [ 985.768880][ T9165] overlayfs: filesystem on './file0' not supported as upperdir [ 985.865383][ T9184] overlayfs: filesystem on './file0' not supported as upperdir [ 985.874867][ T9279] overlayfs: filesystem on './file0' not supported as upperdir 05:32:41 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x100000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 985.900894][ T26] audit: type=1800 audit(1580103161.366:3807): pid=9170 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16791 res=0 05:32:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x80000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:41 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe0}}, 0x10) creat(0x0, 0x0) 05:32:41 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8008}}, 0x10) 05:32:41 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 986.233171][ T9289] overlayfs: filesystem on './file0' not supported as upperdir [ 986.259018][ T9295] overlayfs: filesystem on './file0' not supported as upperdir 05:32:41 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x800000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x100000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 986.341818][ T9303] fuse: Bad value for 'fd' [ 986.352433][ T9296] overlayfs: filesystem on './file0' not supported as upperdir [ 986.358753][ T9299] overlayfs: filesystem on './file0' not supported as upperdir [ 986.461936][ T26] audit: type=1804 audit(1580103161.926:3808): pid=9293 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/941/bus/bus" dev="overlay" ino=16707 res=1 05:32:42 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe2}}, 0x10) creat(0x0, 0x0) 05:32:42 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xb800}}, 0x10) 05:32:42 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0), 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r1}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) 05:32:42 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) lgetxattr(&(0x7f00000008c0)='./bus\x00', &(0x7f0000000900)=ANY=[@ANYBLOB="0000e4f4e3b96b1aa1e865a0314000"], &(0x7f0000000940)=""/59, 0x3b) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000580)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r3, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000140)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r2, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @mcast1}, r4}}, 0x48) write$RDMA_USER_CM_CMD_RESOLVE_IP(r1, &(0x7f0000000980)={0x3, 0x40, 0xfa00, {{0xa, 0x4e23, 0x8000, @remote, 0x8}, {0xa, 0x4e23, 0x6, @local, 0x8001}, r4, 0x7fff}}, 0x48) r5 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x4081, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) sync() r7 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00') sendmsg$NL80211_CMD_SET_MPATH(r6, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r7, @ANYBLOB="01000000000073000000160000000a0006000000000000000000"], 0x20}}, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r8, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) r9 = accept(r8, 0x0, &(0x7f0000000dc0)) ioctl$sock_kcm_SIOCKCMCLONE(r9, 0x89e2, &(0x7f0000000e00)={r6}) sendmsg$NL80211_CMD_STOP_AP(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000e40)=ANY=[@ANYBLOB="9100", @ANYRES16=r7, @ANYBLOB="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"], 0x3}, 0x1, 0x0, 0x0, 0x20003}, 0x4080) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 986.882732][ T9413] overlayfs: filesystem on './file0' not supported as upperdir [ 986.892067][ T9414] overlayfs: filesystem on './file0' not supported as upperdir [ 986.916192][ T9418] overlayfs: filesystem on './file0' not supported as upperdir 05:32:42 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x300}}, 0x10) creat(0x0, 0x0) [ 986.977585][ T9426] overlayfs: filesystem on './file0' not supported as upperdir 05:32:42 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x800000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:42 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:42 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000}}, 0x10) [ 987.166117][ T9431] overlayfs: filesystem on './file0' not supported as upperdir [ 987.210894][ T9539] fuse: Bad value for 'fd' [ 987.356284][ T9538] overlayfs: filesystem on './file0' not supported as upperdir 05:32:42 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 987.411216][ T9547] overlayfs: filesystem on './file0' not supported as upperdir [ 987.437413][ T9549] overlayfs: filesystem on './file0' not supported as upperdir [ 987.439392][ T9552] overlayfs: filesystem on './file0' not supported as upperdir 05:32:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:43 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) r1 = geteuid() getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000000980)={{{@in6=@loopback, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{}, 0x0, @in6=@mcast1}}, &(0x7f0000000a80)=0xe8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r4, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r3, r4}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r6, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r5, r6}, 0x6858}) syz_mount_image$exfat(&(0x7f00000000c0)='exfat\x00', &(0x7f0000000140)='./bus\x00', 0x80, 0xa, &(0x7f0000000880)=[{&(0x7f00000001c0)="d65e907ca96f318d581de3df3ff5b5de518d74ce45869a7ee03f439d982bc906ccf410feec0adcf5f778f2234e8b03ce95530d3b51f1a2251d6d7a9775423e6f6dcc851117420a8e9da727fca5e562eef9e0b756661b0476ee37dbbf3adddf7fca1952a4764f1f3033", 0x69, 0xbc8}, {&(0x7f0000000300), 0x0, 0xfff}, {&(0x7f0000000340)="5dd0eacae25fa9e91a0f95c5e29f8dda2f491b92867e486f96b54e934778d750b7ca21", 0x23, 0xffffffff}, {&(0x7f0000000380)="20fe30f1c5032e", 0x7, 0x5}, {&(0x7f00000003c0)="74a3d0cd26176e61211dc1df9fd35778f034dd33d7afdbce262ffe62badee24a527b8a5cb537d468cd922d5283f8c9f6bdaa271ba778ea3bf2c5ca53e86f36d1f884426ef6c2d78dcc150dab88eccde509842945b5", 0x55, 0x80000001}, {&(0x7f0000000440)="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", 0xfe, 0x8}, {&(0x7f0000000540)="7d3cb6a1203bde10c2e768d9dbb3e67052e45ebfb892f588993df531c58a4f3b0ea5ad9a103b14f9d262d1c2be5165be8297e28ea33a251a7f9337af98e28cba4cfac47ba22c13d4f6e628de384cc1840b38ba0f073d91178517560f8de0a4a5b894af97906a9226a3ce61b385a36ac7f611ac1b47b0935fa5ae3c44220a85708d09dd7394c7d56430092b31a05d50d78976cf3a33461b8fc56f4b8414e5a7669c416422a7f5bb4a8115a62581174e11cd05bf248e5f1292a6ab421e02e47bc9d3e423fc1c7430093f328f14dbdce8141aa447af8ac978673d54d3ad2275ace01a77de", 0xe3, 0x1f}, {&(0x7f0000000640)="9db2f4192ed7173910f933b03be34c957df89f297f87de332bb56de2c5d801d4ba1705f3bb2d1785c84f3a41cba1cab22b573e432689b9c78c4ac0480b9206ecef70b26be38790e88cd50567e24298a2ba4393d3b4446f705ab948d1a36c601db91d0bd26fed72fbb15e286104f4211bf5f56663f3ea6c9a08d72907345d31dfa35b34d15d3309cee24669fc7a6d63b3349236ab6b11f81e9f5eb028b341d4155cb76db6a49fd6abf7eb144b5b81e95a10452993dcba2c7f577c87ac4b561cece41d04", 0xc3, 0xceff}, {&(0x7f0000000740)="a4d19d25c0d4ba1ab71daab1b4cf2cc5b0e029dbfd4368d70b1d4b708df729e235463db7c0788066deae13c327ccae4b7b817acad61064bd54ba2aa4a2f5e2", 0x3f, 0x8}, {&(0x7f0000000780)="e3b0d0d14b655570879cc7fa5e236eb362b1c2f3ba4bda90dc14d13e2ff4026020d83162b5c0f6d9c5e57cc788bbbaeaff3ac6507e10b48439c70fbab017d985533e3668e2d4416748214bed72169c0344864f071b5cdf4c7cff3543457a00890e268f9237906feb496ccdfdcedc66b94852a9242dfe5fc344298ef769f39742770acd1a09f63f3c5e4b2f22049951b8434da09c59c5792fbbeaf16cf8e871b9b0691a79d70bc00a32846021a7d1ca35cb96c934bce8940cc4a166a9cd89c2bca5fbc5964437f54f4f30f22a7407edb7e56735fece3d105a7d6809d3ebaf4c8b4d464b9fe521d4be", 0xe8, 0x3}], 0x10000, &(0x7f0000000ac0)={[{@errors_continue='errors=continue'}, {@uid={'uid', 0x3d, r1}}], [{@smackfsroot={'smackfsroot', 0x3d, 'overlay\x00'}}, {@euid_eq={'euid', 0x3d, r2}}, {@measure='measure'}, {@fowner_gt={'fowner>', r4}}, {@euid_gt={'euid>', r6}}, {@smackfsfloor={'smackfsfloor', 0x3d, 'overlay\x00'}}, {@pcr={'pcr', 0x3d, 0x3f}}]}) 05:32:43 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x408}}, 0x10) creat(0x0, 0x0) 05:32:43 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xce00}}, 0x10) 05:32:43 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 987.710069][ T9663] [EXFAT] Unrecognized mount option smackfsroot=overlay or missing value [ 987.782254][ T9662] fuse: Bad value for 'max_read' [ 987.845106][ T9663] overlayfs: filesystem on './file0' not supported as upperdir [ 987.885483][ T9669] overlayfs: filesystem on './file0' not supported as upperdir [ 988.008767][ T9684] overlayfs: filesystem on './file0' not supported as upperdir [ 988.043297][ T9681] overlayfs: filesystem on './file0' not supported as upperdir 05:32:43 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0x222000, 0x0) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r2, 0x4, 0x42000) fcntl$getownex(r2, 0x10, &(0x7f0000000140)={0x0, 0x0}) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r1, 0xc1105511, &(0x7f0000000300)={{0x1, 0x0, 0xfffffeff, 0x1, 'syz1\x00', 0x2}, 0x0, 0x3, 0x7, r3, 0x3, 0x4, 'syz1\x00', &(0x7f00000001c0)=['overlay\x00', '.\x00', '-em1security*vboxnet1em1system#\x00'], 0x2a, [], [0x2, 0x4, 0x1, 0x4]}) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:43 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 988.051818][ T9686] overlayfs: filesystem on './file0' not supported as upperdir 05:32:43 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:43 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x500}}, 0x10) creat(0x0, 0x0) 05:32:43 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff01}}, 0x10) [ 988.301964][ T9794] overlayfs: filesystem on './file0' not supported as upperdir 05:32:43 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 988.386155][ T9802] overlayfs: filesystem on './file0' not supported as upperdir 05:32:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 988.500236][ T9798] overlayfs: filesystem on './file0' not supported as upperdir [ 988.540018][ T9817] fuse: Bad value for 'fd' [ 988.580184][ T9815] overlayfs: filesystem on './file0' not supported as upperdir [ 988.604142][ T9818] overlayfs: filesystem on './file0' not supported as upperdir 05:32:44 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="6cb88d324c296f7765726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:44 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f}}, 0x10) [ 988.761710][ T9929] overlayfs: filesystem on './file0' not supported as upperdir 05:32:44 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x600}}, 0x10) creat(0x0, 0x0) 05:32:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:44 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 988.913706][ T9933] overlayfs: filesystem on './file0' not supported as upperdir [ 989.048481][ T9940] overlayfs: unrecognized mount option "l¸2L)owerdir=./bus" or missing value 05:32:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 989.119566][ T9940] overlayfs: unrecognized mount option "l¸2L)owerdir=./bus" or missing value [ 989.189977][ T9944] overlayfs: filesystem on './file0' not supported as upperdir [ 989.197644][ T26] kauditd_printk_skb: 11 callbacks suppressed [ 989.197694][ T26] audit: type=1800 audit(1580103164.656:3820): pid=9952 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=16582 res=0 [ 989.224354][ T9949] overlayfs: filesystem on './file0' not supported as upperdir [ 989.224863][ T9945] overlayfs: filesystem on './file0' not supported as upperdir [ 989.255747][ T9951] overlayfs: './bus' not a directory 05:32:44 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e22, 0x6, @local}, 0x1c) [ 989.295894][ T26] audit: type=1800 audit(1580103164.766:3821): pid=9955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16623 res=0 [ 989.322361][ T9951] fuse: Bad value for 'fd' 05:32:44 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x20000}}, 0x10) 05:32:44 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x804}}, 0x10) creat(0x0, 0x0) 05:32:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 989.383304][ T26] audit: type=1804 audit(1580103164.826:3822): pid=9951 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/945/bus/bus" dev="sda1" ino=16572 res=1 05:32:44 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 989.503257][T10064] overlayfs: filesystem on './file0' not supported as upperdir [ 989.559130][ T26] audit: type=1800 audit(1580103165.026:3823): pid=10068 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16534 res=0 [ 989.628442][T10067] overlayfs: filesystem on './file0' not supported as upperdir 05:32:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 989.699095][ T26] audit: type=1800 audit(1580103165.166:3824): pid=10079 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16572 res=0 05:32:45 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./file2\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f6275732c776f726b6469723d2e2f6698b594de187cc58cd9b96469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_INFO(r0, 0x80e85411, &(0x7f0000000300)=""/241) lseek(0xffffffffffffffff, 0x0, 0x0) [ 989.762988][T10076] overlayfs: filesystem on './file0' not supported as upperdir [ 989.816202][T10083] overlayfs: filesystem on './file0' not supported as upperdir [ 989.825648][T10081] overlayfs: filesystem on './file0' not supported as upperdir [ 989.835864][T10090] fuse: Bad value for 'fd' [ 989.865833][ T26] audit: type=1800 audit(1580103165.336:3825): pid=10087 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16694 res=0 05:32:45 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x900}}, 0x10) creat(0x0, 0x0) [ 989.964642][ T26] audit: type=1804 audit(1580103165.426:3826): pid=10084 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/946/bus/bus" dev="overlay" ino=16531 res=1 05:32:45 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x24f49}}, 0x10) 05:32:45 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:45 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 990.102525][T10195] overlayfs: filesystem on './file0' not supported as upperdir [ 990.104919][ T26] audit: type=1800 audit(1580103165.566:3827): pid=10198 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=16553 res=0 05:32:45 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000001540)={{{@in6=@empty, @in6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6}, 0x0, @in=@empty}}, &(0x7f0000000200)=0xe8) syz_mount_image$jfs(&(0x7f00000000c0)='jfs\x00', &(0x7f0000000140)='./file1\x00', 0x40, 0x4, &(0x7f00000014c0)=[{&(0x7f00000001c0)="3cd65d7f763c28402ad38576c0bb3a529897e2d0661795cd16f364d057fef72d841defbe92", 0x25, 0x4}, {&(0x7f0000000300)="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", 0xfc, 0x6}, {&(0x7f0000000400)="bf352fa748472cf70dc2d21185aec89ab0a1691534578449dd9a9243d2f7af46bbb8483e66b0f645e016ecd3bf2ab1b0b2779936307a3e07a4aeb0c5bc02c93c873bb7897c2b406d11ed6eba703b58f0e556c4a271c0869d6c0edd4d4846b149daddc841b325ddc63b0399ecfff2a57359df170bdf1ac52d0600b7851d6f4be34d066a49b41533d6faf1fbd3c91b07ba93c87b72e01ed0f5428aca9ab27d174b9eee524d48c6e38c887a7b9e87c916c281c70c30a3", 0xb5, 0x6}, {&(0x7f00000004c0)="de57c7a95b084ff856d85ff180577c3b6654e6665efcfe738ded1c1bc1e8178466dc2213826aba141a277bb6a0a4ab74a8e40dd4d171c2fe92f5cd49694c02a766941c5f481413fd641f72a0136465f89a47c8c5a5ee59b4ab8bcb1ea08064201684ada4039752767fcb92319d45deedb90f0ed4839116c7b4a2d8376fb49c63937a6404484a5a699d480f0b1d9712811cbafaf7c0a42a751b12b4fed00c606ad7b16613ad907b240176654d1562dc274f14832648782b615a780623ce16fd57cc40c43da19a5a01cae53d062a1a1e1045afc346ca706cff9ba13bd252771544284084617286ac4981fe7c3c2f57c2ef2b54ef0da67f83bf0b2dd30b21247946a9cabbcd8ea8dd0ad8bd78f4247b73f7fecf4d10076db56544d12391477a9daa75bbba5d766e4bfd82e9d7a79f7ea9816ebbefbc09e8b858e294cc83f9c9e11c299595eee6258fbd578b254fee8d2a5ab9f9b65ac3cc7b33cf2453a0a0cc0ff2efd0178fe805613cf686c3e1450545a78cef3139bbf52063431981592d90d7239f58a71a6ccc1e78a038b9a6242b00a1a6da62e8f4fa16f90fe711f77c7021f0c6ae6fb92def4b73bd4709c1c1a21de619a04c16b417a6b07c85c043e8a7a5af1ffe5a3fdf91b6921151bde63abbe9bc827ef176b43bd18a7b09ece2b5dadfdb130feb4b8281fae92adb0f4dbfc132858080306ab736291e0a079be84b0ca50b36dc9dcaea6ec137e4e9f40f0ebb1179384e3e15aca6b3bc249deb7ef4dc00916749b29a1671b76a7a78a71e83424e67c57c754d25f2e12c1c53df1a316a195bfe85068eaa5c35001fc62155fe746769e5405817b6f256329e7fc9a322caef09b180a3126213c5d20b2f16d3f81d087646d536758ce678ee2a12a185c95d8aab83af02b4a475093a8abfcf21fed9047f08ad2c788c2ecbb06d6d8123f226d36636c339aafd08f77b198187245ce169bb388e7315a786a4f7fe8866a94126c3346ac7444fad068d257b0eb75e88c6955fbe2dd3ddd0f5596b34ea892d9bd71e7d37e78239c10fa56ed38b140a7ac85cfc960d07abefadf715fbdedae05a1f2c0a37e694defb335a2a946f55b14b2834f41fb903e64216cf1cafea0dc3260c12debafc8ce0af06a77da162a4159913ec45402a907c0b8371520cb64afa96988777a74adee7d4d23b622a988f0e71f45944b0ee93ad0d2e1b412ef3d1437978ba1134a00de6bf93fd2ff01773ed1e95c1eed8fe90aa8018780aa42fc15d4e96c77e310133ade4d7e4fbd802b9410373dff966726c0c9c5dceebcf5743c9ebdff52e159d9c129e1bec233c93bc70b11d808c60ec1dfd77793bc79f6c2228f16cd3598b4f1e5c1a09c39a7ec269abaf87cd50239c01ff44cd6ad13ffc68e4ee60ea35b766483faaef6df9a3ee90ad599b78c55799d07734d708b456e483907a9bb922aa05c6359b3b20b45d04a09c82770646aa84fd49f5a1e3d7b055b33d59f0d753f37af9e377f9a8e16d6dd1477e0fc8945cab73411b809123878e445af078efff552b7612fe056c9b2e1b0409bbc81e07f7d8b4951efdf0456ac681db1b160090214db97e1cce66002b2202e0fe8af1f35f72b6ba8d725021ccdb9668c91f2628378b99a71c3782f3824b4d44a09dfd8dfaa74f599fc503004eb81cebab1ccfdd7f6d011768d25eeeb1f1ac423e5348da6f6db45205f44d8ba20537df3aa127310d03ff80103d4c47f7b63f1a45fae21a2fc1c5aa4292f8edac204733093a3350002650a5754e08f5900f1e66bdf3e0f2e3e4ded46e769fdb66241183d32c01ae889144cd7f2b522136de08df72e456f1b11e1b6ebc3f331f3cc3aee2c245ac710defd3aa5083c75fe567b33b04ef509681c758c9d8d164ddccf79a6d1e9d8d007bdfe43450c1ef64ae9c98be224c75850c5dd765bff51b677a09fb5e29e7d356ee8cb6b0c9792885b5bf77cc034f0b1f4a2434fc94ecea15eb38e528ec1168abefec5365c035f0f28471f12f7cb6656753c708a42a8d8a8eaacd46e4dd2714a5d8d98e232bdb272e99dec78de005617fcc121b0e4584138ce1833426baf9647c7b7d5473e602233ea215f35675fb8fff309dae7f988847f077b8148eb10d78141c626fa982278dd0ef66614ba7e9339ac36c32ec03433ad84dd3d80a46b322f58f7ff77def5a99db6e2395c3a154b8629ba58ebc47bbf3f28d5906fa4c463de241d07a35787fdab1e2a66f5e698f96d00d0eee1878bb54075b4e4ca29bee2407fcc90602b846ca07cb5da4f3089662e4994b56180c58754549312c1259dc6f1f8bd39272a1e0a9796c1aa57ed62f2d7ddaebd6ab51ad50d8db68fdd0bddaa2ff9a4307acf53dcd5883bc7f6438b5a6c556622e6ee652587780c8cbe1a86bb6ba92c9da06aa9629b9aaaed601adfb2e0c7d8d6ead211c2191f41ab9e2a4e09582cd859037ddab843eaee36333b1acecc4ef3237e1e63624f019387dbc759c24c68ac945cab71b7cc93cc5fdb42baf9b73bb6bbb0f6e8527db890c520d6876c6b207c4839bbe6131ecc9f915175d8e8e926344d2fc713de63be1a603d064c885c5659a269ff99402eaa9cd744cf42f606ca4067bbcc7706d87d129da79989ce096f65db4646780b0e5167ab50a967ce108ecdb9d75785821312cdde0771f0a45ea76de19d6445e7aac2351119ff7b0ce213da6424eb2d4ffe53c1afc68c482a03b6dae95262f190c353f8ea301bf0d7123c6f20ce07d5a1a9a4f1e299e01c5b521a43b977e30d5b707131887ee2e1df0c317692f99fbc5fea3c2a60d00e980521c98343d382649a1d6516ce6bc32af00dfa702812523c8c16f77940b4f451957dbb14298f816d628a8610b68f973da03778e926d6f5841aa269682a9dadb3f54734c4a8fe6ea96b4c0b950993213c9f693c423d3c91fd2ed1270fe20d010c20b0a0fb7b8b8ff957b8851d4fc78ccf3c7b663131abf28418579a3bd5c255a6c437dce13b0fde454415dee33758162cb36a302284ab7a7a259fdb9ef84fbbdb9717187e3588dd012349055c2a082ccd86ce090059a6191375108052a4b5ee535930ff1b7dbbace8d86e18cac7866f75a52ae4a5cc70ee1842068848b313ff0e4146dedcdf4c5264861e6f7f411323563aa4f6dfb54a3d7a51b0039402be1cb9e3d7b97aadcd07aa43f6abe6824e33017fe2c076ee08ee576217c3e4e3da397d4ae9a23afae7763f121452cf6f84305ebdfae3edfb17e4b6f4da8712ded10652a9595416898180681fb54d56d8456d60a4bd200bbf7b1020b28a9db72323d12a94bc419555bb075a3119cf6d331d17cfc86fb3c47989fef238595c1cf917114f0ba527fa8ded1daa40bc13ea07287d4f5e0ffe88a221e830b30ca694041ddf8297d3e6886c30919d98f22f7cf06e28a4b4bd4b55ae0c9cbb64e16365992044a519dd17bb7a494f59322fbd67976408d46a137166c74a32a3b14570b66251002d8f1480cffc02e8f926936e23995c7bbd1ec01488b426d1e487a8ec4d86c313c7a4e202d87d2980251523e524bdf229299bf7a21d9f98ea5798a7b85bbd0e866d1536bdb9d950fa8f1ac610be24ffdb108f8758c2f8f2cd17d8b71635694f909ba0c84ead55ee154027660c1f81c1b2e55edadff700294de0525bdfae26e6ed62827e4063df31efaa4e27915c22f64ed1389f2c69a7b7e7936128830012376ead4d8383dd440af7517cce7a029c8044c176848e5ed18361384cba244e87b4ec729682c4a78700db537cce91a037354a6eebc42623b4fe2db06ecff20179f17a495555b8c6e12df5f473f9fea33d15ef8120801e59576cdd57b0dc5b8329fd0add1c3704ac66a58f76c99038a81e888dc397bf37156b768d1e88f2326673553802d4274e4a018137f53d8cf51645a3809a95bdf25c7e863d0535a58689ea9c55725a9b132fd93c71b2c5b1728fd22c843b97f9dc7a2ac7793c85a30ed3c2240e1c676e64280f5b574336483657588c95db3097a803e7935877002b0a1ecdae8b96bd18457dc417c381d6fe3261fc69e86d5552f53e7ccd9941c2120c75266c7399cadaca17512de709a7c3e7f29452961ca821717ef538b1ec3c03d158d3a2d2fe1ada9b17e051fb70ed9a00fc93e525912fc69e742297319dde0a75c4d4086fef2b2d698bdebc485eda3e2d351e81c142b9192a2250d0103e4dd006e7ba4e64fb26587a9c3675071e03c4c652bb974c68dd1acfb6de5ed6427360243cb5ee0b25978e37a345fd042600a87f22d49bf9ecc02f8cec56ae4c9ce690f29e469a48aa77bd796ca5bdef7f24e30d2dfde370cf95cbf1ea7a0be033083677d4e0e25a034028b9c88d03b09fdff3d6a8204de12cec7be7184ee14fdefc2285bd1a6c544abd3360152d77b87daae55fb810f6c8179e6f25d516be7f6c398f49ff6082c6fd94030cce8f674cb417d2c03175017cf321139dc31a1e35cfc0bdf9513224ee36e4e6ded75d0a88d9524823632a968831c8ead1ab412e324dcccd4827d37157b80f702a7db602318fb56f6698bb22e9987e57970143c65fb9875d3e4f7c8d3f0ed63ce66e2d48319cfcc7e2a3780f1feb7fb4a75c2f97ad53d828134e17a809d2fb91b246b7a9a2430115105b62005ce6f9cda1fc9173bd72e5f2a9e9244ee55f4278f67e1a5c92b096d5342fa4262b792a8606c0c97315905b7076271b08b09d06aa7868800982a9d330ee865d6ea5e1c2873e253f0a123982025a49fd5850b5443ac5f8a986e67d6bf138db509b06e9f8af9fee9b6a8cfe13217f3a54667912b2b19f0f119871352dac1f2c1be4be6ee7708d2795f8a3d25726a69255731dd461953bad2e71616c17f71541ddd7f02ece8ceac66aa58189045c56f101a63d354a1e68a5b304b0094c0f2f3481cbeead0af4aea74b4f540391c1e48cf53ecca463487ee83f3acff77d7f4fd2a202a9d73047abeba6df346da0de10c6565afd2ac61adc97ae1b088aedd924a7334d3939998a15e4ddf947805d86d9f463d1ef8814535970a8d9d287a11327c87ae5919e686cab474e3a8ae090adbcfe7e192141c1a5224d35d091196511d331ce57619da7d65146b7565bf619f77d947458844d600a2a8412432022e1f1353ee5f74510e4d1171ca6e623cd1e5e8f7f75a9358e97620c45ac8ad9b1e1104f7d1dc5361edea49c090af1cb796b9580f00e65f7fe87a1390a3b469873c62dced6d036900a4048ad8a9e6e505d8e9db43fbe3222bd523ea2084e13232c6e541467e7c9bddba47ff37f542270e99895fe8fb758b972b007c33e0e97f36be651f3599e7231edc8011b890664fa80b576c081f790399ebe0f1ef8e62fb896a5c4413b5cde8cc61597b61db5e058d548260108188af538a9c407dbe71f78fcffb42f95175d6a6ddfbb649d36f89359d4df529455a9f467cb5edac89f8fc787a87351350d8df4910678f141d4d3246931786ffad9d83a5d3f6a1d18f069a95d1b2a52efa4c14f7e1b01f6bc07cfb606159bea698ddb469799db4f316949a6baa2528e23a591225004ae32c5c8b21b253267476a75de524cb9571d2c128d9b9eba4a2bde5eb457ca85c5c678045d801a862077cc3f20fbe4351641570174ebbc4ec76914cab51c2b5cf22d3d62db11464ded9e68de60ec608d337f0507c5579e95a7b21a7465b7a0e33d3f5936b26a5a829cf448ccac46937303ae39fa77d11287dab8ae69f7bf082b98d589ae67a8cce2fcb552d19a13c6e48e3d692275f9a4d4676a92c3f737f03d586b431b4b130aced44124c3d401ddb64ea", 0x1000, 0x5}], 0x400, &(0x7f0000001640)={[{@discard_size={'discard', 0x3d, 0xffffffffc288382c}}, {@noquota='noquota'}, {@nointegrity='nointegrity'}, {@discard='discard'}, {@umask={'umask', 0x3d, 0xfffffffffffffffa}}, {@resize='resize'}, {@errors_remount='errors=remount-ro'}, {@nodiscard='nodiscard'}], [{@context={'context', 0x3d, 'root'}}, {@obj_type={'obj_type', 0x3d, '{mime_typevmnet0)em0mime_typelonodevwlan0'}}, {@euid_gt={'euid>', r0}}, {@func={'func', 0x3d, 'KEXEC_KERNEL_CHECK'}}]}) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 990.399836][T10210] overlayfs: filesystem on './file0' not supported as upperdir [ 990.402754][T10214] overlayfs: filesystem on './file0' not supported as upperdir [ 990.415596][T10211] overlayfs: filesystem on './file0' not supported as upperdir [ 990.416985][T10220] fuse: Bad value for 'fd' [ 990.472017][ T26] audit: type=1800 audit(1580103165.936:3828): pid=10218 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16622 res=0 [ 990.481718][T10221] JFS: discard option not supported on device 05:32:46 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8040000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 990.540232][T10221] JFS: discard option not supported on device [ 990.580142][T10263] overlayfs: filesystem on './file0' not supported as upperdir 05:32:46 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc00}}, 0x10) creat(0x0, 0x0) 05:32:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 990.655405][ T26] audit: type=1804 audit(1580103165.986:3829): pid=10220 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/947/bus/bus" dev="overlay" ino=16536 res=1 [ 990.689977][T10270] overlayfs: filesystem on './file0' not supported as upperdir 05:32:46 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x80000}}, 0x10) [ 990.759213][T10335] JFS: discard option not supported on device 05:32:46 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r2, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 990.874693][T10335] JFS: discard option not supported on device [ 990.919181][T10346] overlayfs: filesystem on './file0' not supported as upperdir [ 990.985979][T10345] overlayfs: filesystem on './file0' not supported as upperdir 05:32:46 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount(&(0x7f0000000100)=@loop={'/dev/loop', 0x0}, &(0x7f0000000300)='./bus\x00', &(0x7f0000000340)='ext3\x00', 0x100000, &(0x7f00000003c0)=']\x00') statfs(&(0x7f00000004c0)='./file1\x00', &(0x7f0000000500)=""/173) mount$overlay(0x400000, &(0x7f0000000380)='./file2\x00', &(0x7f0000000080)='overlay\x00', 0x100a000, &(0x7f0000000300)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) r1 = open(0x0, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_PARTIAL_DELIVERY_POINT(r1, 0x84, 0x13, &(0x7f0000000400)={0x0}, &(0x7f0000000440)=0x8) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000480)={r2, 0x38}, 0x8) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r3, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x3, &(0x7f00000005c0)={0xffffffffffffffff}, 0x106, 0x4}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r1, &(0x7f00000001c0)={0x3, 0x40, 0xfa00, {{0xa, 0x4e23, 0x0, @empty}, {0xa, 0x4e24, 0xfffffffb, @local, 0x3f}, r4, 0x2}}, 0x48) lseek(0xffffffffffffffff, 0x0, 0x0) [ 991.043265][T10349] overlayfs: filesystem on './file0' not supported as upperdir [ 991.072535][T10343] overlayfs: filesystem on './file0' not supported as upperdir 05:32:46 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd00}}, 0x10) creat(0x0, 0x0) 05:32:46 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8800000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:46 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x100000}}, 0x10) 05:32:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8040000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 991.229786][T10463] fuse: Bad value for 'fd' [ 991.540281][T10472] overlayfs: filesystem on './file0' not supported as upperdir [ 991.576658][T10477] overlayfs: filesystem on './file0' not supported as upperdir [ 991.583484][T10480] overlayfs: filesystem on './file0' not supported as upperdir [ 991.612570][T10482] overlayfs: filesystem on './file0' not supported as upperdir 05:32:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf00}}, 0x10) creat(0x0, 0x0) 05:32:47 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x800000}}, 0x10) 05:32:47 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8800000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:47 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 991.981223][T10598] overlayfs: filesystem on './file0' not supported as upperdir [ 991.995896][T10597] overlayfs: filesystem on './file0' not supported as upperdir [ 992.023575][T10601] overlayfs: filesystem on './file0' not supported as upperdir [ 992.055497][T10606] overlayfs: filesystem on './file0' not supported as upperdir 05:32:47 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1200}}, 0x10) creat(0x0, 0x0) 05:32:47 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:47 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f7765722866f8362e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r1, 0x4, 0x42000) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r2, 0x4, 0x42000) r3 = fcntl$dupfd(r1, 0x0, r2) getsockopt$bt_sco_SCO_OPTIONS(r3, 0x11, 0x1, &(0x7f00000000c0)=""/12, &(0x7f0000000140)=0xc) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:47 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1000000}}, 0x10) [ 992.177046][T10718] fuse: Bad value for 'fd' [ 992.388815][T10722] overlayfs: unrecognized mount option "lower(fø6./bus" or missing value [ 992.543994][T10725] overlayfs: filesystem on './file0' not supported as upperdir [ 992.561451][T10726] overlayfs: unrecognized mount option "lower(fø6./bus" or missing value 05:32:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 992.627712][T10738] overlayfs: filesystem on './file0' not supported as upperdir [ 992.636607][T10729] overlayfs: filesystem on './file0' not supported as upperdir 05:32:48 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 992.671444][T10737] overlayfs: filesystem on './file0' not supported as upperdir 05:32:48 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000c40)=ANY=[@ANYBLOB="6c6f5765726469723d2e2f6275732c776f726b6469723d2e2f5a66696c78313d2e2f66696c652129441b0ba6a5a45f95416e575ef5920f3c99a6bacda05881455820420fbf71420b2b19292178013683e3bbb4c399df9a87e757643b0f315127b7d9d0c8daf0e1af5fe5939be14f"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42000) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r4 = accept4(r3, 0x0, 0x0, 0x0) splice(r2, 0x0, r4, 0x0, 0x80000001, 0x0) r5 = socket$nl_generic(0xa, 0x5, 0x84) ioctl$sock_SIOCETHTOOL(r5, 0x89f2, &(0x7f0000000200)={'ip6gre0\x00', &(0x7f0000000300)=@ethtool_test={0x1a, 0x0, 0x0, 0x3, [0x0, 0x0, 0xff]}}) io_cancel(0x0, &(0x7f0000000ec0)={0x0, 0x0, 0x0, 0x6, 0x3, r1, &(0x7f0000000dc0)="3d505f5fd78f56708ecd30e27fc9ea8b74a4411bb69f03bab0d3e0ac7b832571f523d90356c4d7712ebceb5267ebdaf46440bb45bc6ddfe2a87370f536222cfe74b8e7570661300ef35f94347f3998041d207d474d980c54ac77d75b7bad41fdfbecf6442ca5884e8bdf450f9e441a960c7630b5e6c45d55e8030aa81f1194d9adb7fecec72e712390aa58e3ec585e78c945eeee2213bb645960936d98230aa8f8d88449208847caef84ae59f164e5639d85bb9477550ee196605f59dd07d9cd6d336db2425a1b860dcf977f3de6122e0c3cb3dbe88b49e5cc", 0xd9, 0x8000, 0x0, 0x1, r2}, &(0x7f0000000f00)) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) r6 = syz_init_net_socket$ax25(0x3, 0x2, 0x7) r7 = accept$packet(r0, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000140)=0x14) sendmsg(r6, &(0x7f0000000c00)={&(0x7f00000001c0)=@xdp={0x2c, 0x4, r8, 0x11}, 0x80, &(0x7f0000000680)=[{&(0x7f0000000300)="2d9f85e7400c198bb4afc12d3abd8dfb4cfd771411e7b701390f357da22f5ec405abb161554dd1df9ddc86ce9c8be99964d333ba7b0d5232be380b3375d8edd9979a314f4bde83cbb8a3b2aa7e2ede8955f3015c6b5c6c2d87d751c7da5f12c3d3d3554e4cc043cb305fd04dd6399a1ce52bf1e33376803bb341d943488a6b976174ffe7f1084a2d0bfc2140480d1f88f212eccc", 0x94}, {&(0x7f00000003c0)="d0c4a665c296971555cf5ed465e848920d9a43fb698827b955033d3921a7fb25b21dcaa52b61a26e110c3a203a0119b075cf3ff4", 0x34}, {&(0x7f0000000400)="f14b8d14772d3cd6f54a4691f3491ad8e2852b7d75720dfcd99b480248c81b87121345ad2ce17fe84cde0f13624d0abf33b2daa679d18c5793dc32868a6cd3d520d3538963987e7b1790eb45efa3b7166c3449d2056926756f0e0cca4228573b1c48e105ac54b7abb19424f1f57c33a8054557e12177e39dfacebd1e84d60a22c913800f88a20473c3c0d3e4", 0x8c}, {&(0x7f00000004c0)="474a936318b2e7ffdfddfbbffd1a466da564094f34df1af385671fd3ad34bb6fef363a611f7d5f1b866cef337382f143954132259fa1625c11fcc249b6d8dc471f84e1338374374df92ffb75853194f3f9c48012062221cad9b4fdabdc61e421", 0x60}, {&(0x7f0000000540)="3eff5fbf29eec373e3feb7b6f3f9921267759446e8bac8c953f724c3ccd83e3ac6155aafc6fe4104bbbdf00878bef239d86d246ac0afe3c6513f9984e3f4ef6452d5c4dc98cb6a55ca8dc9a5bd6d03e7e8e7", 0x52}, {&(0x7f00000005c0)="871c56c738b22452fff75fcc12878e9b1a5b9848366920f46e2e1948d8ded383fabe7a638453c3f6e84b3dee1dd83142d19bc529f017dfde137911de081910f62cec18a1eea53dc06db6f7b206f7c8af1efe776f94114169ed439790db2dc3cfb7e0170bf57abc76cc6969b501953467c46505fb5a7cd04658899b0e94d9f86c6eb82a273fa6f7ca316ed9cc57eeec40e0dcb5", 0x93}], 0x6, &(0x7f0000000700)=[{0x38, 0x29, 0x400000, "b6d2c64d0bf406bd975467546ee10da5e55c7c2a381dbb2eab7d30e39335a92a77b5bc42ff40"}, {0xd8, 0x10b, 0x8001, "75376cd1ec61304db2e26997facf05aa2080869f8e13c198acd20db352bc7e094da921ac9c4af2a28cf76cd7be7d871f6fb92b472b7f1021082164ae44fceb95bc5dbab0434b85734340c4659065a12a3b8084f8d7f35996bd4becd05d96077cab4d6e4a08fb91ea1bff57198fafabd88c3d219f11c654b858daa56789091f9e2b5a7912e1410a80169e7644c7aee9bd5f38c958d5218c6a964454393ec6ede24d1dd2f892154b6f61554ce0185889f7f1d7af794b9ee07c2f0cbc96673d7549ab16b01994"}, {0x80, 0x1, 0x800, "a9c19e55b80cf2881cdfc072b5e6b4ec0dbab058100dcc338147f4492c79929137992854f68fcbfa8fff19a2985eea38ae85958291b69328c9b9964bf5318b9e517f8c55ce94b4c2ea2f63c6f6448bdbb57480640e25c7bace9ce76750685a6b31ca3472ef89f2024b205b9b31"}, {0xf8, 0x1c, 0xff, "ba802a92ee7e119acef206c3a695205f1a43f842ea11ccc7bb280b9bb424e747153030633a6d4e66aff7982383e47938a231fa8fa3f8ae3b1bed6e2d84dfd0575150ad7909400e1d08a439909f5ff720277f2d3786ef69654969c84ef7b92a71351013ba43d003694793981e7cde827a0fd1b5c3f35c7de9953f02e9827fde64efe9d71ed08bf6f5e01da8125e7b1144abae12aee2ed49e71f4beb97a18ac0db2ea984871ac2c50e6168e90b594f28d30f627ef1b1ef0524a4f3fc6ed2ccc09e902f79b6035b5e0e8214099973015c2decf55ca4352fa3c994a27fe9897dc80bd8e6a9"}, {0xa0, 0x116, 0x3, "4cade484a44f86621e6cb9d69580c98612e71dc8d6670bb6cec44ee13b9e3d064cd4c61b275116f31fccc37d38890192ac4041e0a1e28655aca97999c9db5d58322e34f037dcccad2d10da5e1ccf56a10b03e9f1cd78260fb31ab75d7f9bb32a6f758cb40b00f1c48fb4515dcd09caf5418932a1ab78042be08627b0353a25e4fe36d6bea35b1cb6d5bb1f69"}, {0x80, 0x111, 0x8, "c7894715d6c43ba78cf2a21e0abf68fbb860db0b0d9456626fc04839717c7407e8d06e57df2c74842a5d8e6c0ef800a2179c65312764ae490264e3471aabbfdbc990926b3530618964ab48166bb441490dfbf244b30775740d3b239bc9d6ae93b25d41222be67463f19f6f31b5189397"}, {0x50, 0x105, 0xd3a, "1c1ecda37cf1e96749d5af2362e4fc1fcc4e6be99d6d62ec179ad2ea3337d772179ab3a7e488d48eaeac9b50f7d7371cf7542246957a74644736b042adc0"}, {0xe0, 0x1e3, 0xf365, "07689e13c17b53300cdf9eef70d52982446490b06016a1a47599ed6316f8a84150bcd1ee4acc464b06ef069689053c6b1701c3300c485f593fb3c014c0388330c332692b6cc2fa6f5a6de205f86ef813b1cde602cfb86860f0a9ac8dd839d4a049f4c37ce48800a11f0cbbe6e7a0ce79bafccdc5e0e65d56eb6182ce260d7b0175334a0ce38aac05558c5f1a98f1e825d1b087d2894c684678e95d759fa7284277d20c047c604b605f9c1bb2c5515a29fff86f7749ffd9eea19a0f7e9282168d5b454381f022838d4f45056f45fb7be4"}], 0x4d8}, 0x1004) ioctl$VIDIOC_G_PRIORITY(r7, 0x80045643, 0x2) r9 = syz_open_dev$media(&(0x7f0000000100)='/dev/media#\x00', 0x8, 0x0) sendmsg$TIPC_CMD_GET_NODES(r9, &(0x7f0000000d80)={&(0x7f0000000cc0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000d40)={&(0x7f0000000d00)={0x1b, 0x0, 0x20, 0x70bd28, 0x25dfdbff, {}, ["", "", "", "", "", ""]}, 0x1c}}, 0x800) open(0x0, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r10, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r10, 0x54a2) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2000}}, 0x10) creat(0x0, 0x0) 05:32:48 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2000000}}, 0x10) 05:32:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 992.911113][T10853] overlayfs: unrecognized mount option "loWerdir=./bus" or missing value [ 993.002615][T10851] fuse: Bad value for 'max_read' [ 993.053939][T10856] overlayfs: filesystem on './file0' not supported as upperdir 05:32:48 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:48 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r3 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r4 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r3, 0x0, 0x2) sendfile(r3, r4, 0x0, 0x40d09) [ 993.130021][T10870] overlayfs: filesystem on './file0' not supported as upperdir [ 993.163267][T10867] overlayfs: filesystem on './file0' not supported as upperdir [ 993.171849][T10862] overlayfs: filesystem on './file0' not supported as upperdir 05:32:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:48 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3f00}}, 0x10) creat(0x0, 0x0) 05:32:48 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3000000}}, 0x10) [ 993.426454][T10979] overlayfs: filesystem on './file0' not supported as upperdir [ 993.512604][T10989] fuse: Bad value for 'fd' [ 993.576969][T10987] overlayfs: filesystem on './file0' not supported as upperdir [ 993.598795][T10990] overlayfs: filesystem on './file0' not supported as upperdir 05:32:49 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1c4d0200}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 993.633162][T10995] overlayfs: filesystem on './file0' not supported as upperdir 05:32:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000}}, 0x10) creat(0x0, 0x0) 05:32:49 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f776572646972bd2e2f6275732c776f726f6469723d2f66696c65312c75707065726469723d2e2f66696c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r0, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, &(0x7f00000000c0)={0x0}) ioctl$DRM_IOCTL_GEM_CLOSE(r0, 0x40086409, &(0x7f0000000140)={r1}) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = socket$inet_udplite(0x2, 0x2, 0x88) dup3(r4, r3, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:49 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000000}}, 0x10) 05:32:49 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(0x0, r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 993.962167][T11111] overlayfs: unrecognized mount option "lowerdir½./bus" or missing value [ 994.022419][T11110] overlayfs: filesystem on './file0' not supported as upperdir [ 994.118918][T11116] overlayfs: filesystem on './file0' not supported as upperdir [ 994.132748][T11115] overlayfs: filesystem on './file0' not supported as upperdir 05:32:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:49 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x23000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:49 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4a00}}, 0x10) creat(0x0, 0x0) [ 994.244399][T11124] overlayfs: filesystem on './file0' not supported as upperdir [ 994.273068][T11131] fuse: Bad value for 'fd' [ 994.358464][ T26] kauditd_printk_skb: 15 callbacks suppressed [ 994.358539][ T26] audit: type=1804 audit(1580103169.826:3845): pid=11131 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/952/bus/bus" dev="overlay" ino=16519 res=1 05:32:49 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5000000}}, 0x10) [ 994.448116][T11236] overlayfs: filesystem on './file0' not supported as upperdir 05:32:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(0x0, r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x12000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 994.499110][T11237] overlayfs: filesystem on './file0' not supported as upperdir [ 994.627085][T11244] overlayfs: filesystem on './file0' not supported as upperdir 05:32:50 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x40000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 994.690377][ T26] audit: type=1800 audit(1580103170.156:3846): pid=11246 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16525 res=0 05:32:50 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8008}}, 0x10) creat(0x0, 0x0) [ 994.807575][T11254] overlayfs: filesystem on './file0' not supported as upperdir [ 994.819138][T11253] overlayfs: filesystem on './file0' not supported as upperdir 05:32:50 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) inotify_init1(0x0) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0xbd31, 0x1) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000580)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000140)={0xffffffffffffffff}, 0x2}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_IP(r1, &(0x7f0000000200)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @empty}, {0xa, 0x0, 0x0, @mcast1}, r2}}, 0x48) write$RDMA_USER_CM_CMD_REJECT(r0, &(0x7f0000000300)={0x9, 0x108, 0xfa00, {r2, 0x3, "2cf773", "fead5e34ca7d0fb15c4d9a543ba5e11841909ff2398e0e6cd8176f1e79f0ae0a4af201d59ec9a6284ff2975be56f4bcf414ac375f5ee439c20474e31b00448eecad61622b907c114de87d4b08adbeaecd50630d71765c9e73bd4f24e28a2e83ea41e234b609574d099c667609aca3ee354c3cc3602407facc701312f6e02b8f78a2167ea0809bd4fc5777787a11d174413858f1091fd69424e3e5eb732ffff1eec362892550893dfb31ef88ddfe8a78acc92b49586e108c06e7ae757aeca32c09af461001a0090172b96be717e3f2d5cc42f4e65024deaff4b9479f75f175f2660bf59c7c88079cedb1f250408391d87c7a228f4398d17f7af95b4e8e455a04d"}}, 0x110) [ 994.852595][T11259] fuse: Bad value for 'fd' [ 994.973398][ T26] audit: type=1804 audit(1580103170.436:3847): pid=11256 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/953/bus/bus" dev="overlay" ino=16770 res=1 05:32:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x19000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:50 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6000000}}, 0x10) 05:32:50 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(0x0, r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 995.129825][T11368] overlayfs: filesystem on './file0' not supported as upperdir [ 995.136251][T11365] overlayfs: filesystem on './file0' not supported as upperdir [ 995.150164][T11370] overlayfs: filesystem on './file0' not supported as upperdir 05:32:50 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9a000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:50 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000}}, 0x10) creat(0x0, 0x0) 05:32:50 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000140)='./bus/file0\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c6f77deebf07cc38ce31f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530"]) chdir(&(0x7f00000000c0)='./bus/file0\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mknod(&(0x7f0000000340)='./file0\x00', 0x1, 0x7fffffff) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0)='NLBL_UNLBL\x00') sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x30, r2, 0x2, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x18}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6tnl0\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000}, 0x40805) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 995.397225][T11386] overlayfs: filesystem on './file0' not supported as upperdir [ 995.418231][T11384] overlayfs: filesystem on './file0' not supported as upperdir [ 995.473814][T11451] fuse: Bad value for 'fd' 05:32:51 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8000000}}, 0x10) 05:32:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3d4f0200}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 995.591718][T11442] overlayfs: filesystem on './file0' not supported as upperdir [ 995.643694][ T26] audit: type=1804 audit(1580103171.106:3848): pid=11387 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/954/bus/bus" dev="overlay" ino=16581 res=1 [ 995.730008][T11504] overlayfs: unrecognized mount option "lowÞëð|ÃŒãbus" or missing value [ 995.742578][T11505] overlayfs: filesystem on './file0' not supported as upperdir 05:32:51 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9c000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:51 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe000}}, 0x10) creat(0x0, 0x0) [ 995.956754][T11515] overlayfs: filesystem on './file0' not supported as upperdir [ 995.977017][T11514] overlayfs: filesystem on './file0' not supported as upperdir 05:32:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3f000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:51 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:51 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8040000}}, 0x10) [ 996.214859][T11623] overlayfs: filesystem on './file0' not supported as upperdir [ 996.262928][ T26] audit: type=1800 audit(1580103171.726:3849): pid=11627 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16554 res=0 [ 996.292682][T11626] overlayfs: filesystem on './file0' not supported as upperdir [ 996.343078][ T26] audit: type=1800 audit(1580103171.806:3850): pid=11631 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16527 res=0 05:32:51 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0000000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 996.431223][T11637] overlayfs: filesystem on './file0' not supported as upperdir 05:32:51 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe0ff}}, 0x10) creat(0x0, 0x0) [ 996.486789][ T26] audit: type=1800 audit(1580103171.956:3851): pid=11641 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16606 res=0 [ 996.539083][T11644] fuse: Bad value for 'fd' [ 996.552282][T11640] overlayfs: filesystem on './file0' not supported as upperdir 05:32:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x40000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 996.687069][ T26] audit: type=1804 audit(1580103172.156:3852): pid=11636 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/955/bus/bus" dev="overlay" ino=16611 res=1 05:32:52 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8800000}}, 0x10) [ 996.738126][T11664] overlayfs: filesystem on './file0' not supported as upperdir [ 996.774377][T11751] overlayfs: filesystem on './file0' not supported as upperdir 05:32:52 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 996.798074][ T26] audit: type=1800 audit(1580103172.266:3853): pid=11752 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16579 res=0 05:32:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe4ffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:52 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe200}}, 0x10) creat(0x0, 0x0) [ 996.961010][T11760] overlayfs: filesystem on './file0' not supported as upperdir [ 997.058037][ T26] audit: type=1800 audit(1580103172.526:3854): pid=11760 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16563 res=0 [ 997.091015][T11768] fuse: Bad value for 'fd' 05:32:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x94000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 997.253408][T11767] overlayfs: filesystem on './file0' not supported as upperdir [ 997.282708][T11772] overlayfs: filesystem on './file0' not supported as upperdir [ 997.323705][T11774] overlayfs: filesystem on './file0' not supported as upperdir 05:32:52 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="6c71e865726469723d2e2f6275732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66676c6530"]) chdir(&(0x7f00000002c0)='./bus\x00') pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r0, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) r1 = getpid() getresuid(&(0x7f0000001580), &(0x7f00000015c0), &(0x7f0000001600)=0x0) r3 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r3, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r4}, 0x6858}) r5 = getegid() r6 = getegid() fsetxattr$system_posix_acl(r3, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r4}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r5}, {0x8, 0x3, r6}], {}, {0x20, 0x4}}, 0x5c, 0x0) r7 = getpid() sched_setscheduler(r7, 0x5, &(0x7f0000000380)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r9, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r8, r9}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r11, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r10, r11}, 0x6858}) r12 = getpgrp(0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r14, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r13, r14}, 0x6858}) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r16 = socket$alg(0x26, 0x5, 0x0) bind$alg(r16, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r17 = accept4(r16, 0x0, 0x0, 0x0) splice(r15, 0x0, r17, 0x0, 0x80000001, 0x0) getsockopt$sock_cred(r17, 0x1, 0x11, &(0x7f0000001b80)={0x0, 0x0, 0x0}, &(0x7f0000001bc0)=0xc) r19 = clone3(&(0x7f0000002e00)={0x9a040000, &(0x7f0000001c00), &(0x7f0000001c40), &(0x7f0000001c80), {0x39}, &(0x7f0000001cc0)=""/235, 0xeb, &(0x7f0000001dc0)=""/4096, &(0x7f0000002dc0)=[0xffffffffffffffff], 0x1}, 0x50) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r21, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r20, r21}, 0x6858}) r22 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r22, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r23}, 0x6858}) r24 = getegid() r25 = getegid() fsetxattr$system_posix_acl(r22, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r23}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r24}, {0x8, 0x3, r25}], {}, {0x20, 0x4}}, 0x5c, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r27, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r26, r27}, 0x6858}) r28 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r28, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r29}, 0x6858}) r30 = getegid() r31 = getegid() fsetxattr$system_posix_acl(r28, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r29}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r30}, {0x8, 0x3, r31}], {}, {0x20, 0x4}}, 0x5c, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r33, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r32, r33}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r35, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r34, r35}, 0x6858}) r36 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r36, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r37}, 0x6858}) r38 = getegid() r39 = getegid() fsetxattr$system_posix_acl(r36, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r37}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r38}, {0x8, 0x3, r39}], {}, {0x20, 0x4}}, 0x5c, 0x0) r40 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r40, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r41}, 0x6858}) r42 = getegid() r43 = getegid() fsetxattr$system_posix_acl(r40, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r41}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r42}, {0x8, 0x3, r43}], {}, {0x20, 0x4}}, 0x5c, 0x0) getgroups(0x9, &(0x7f0000002e80)=[r24, 0xee00, r26, 0xee01, r30, r32, r34, r38, r41]) pipe2$9p(&(0x7f0000002ec0)={0xffffffffffffffff}, 0x80000) r46 = syz_open_dev$dmmidi(&(0x7f0000002f00)='/dev/dmmidi#\x00', 0x9, 0x381) r47 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r47, 0x4, 0x42000) r48 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r48, 0x4, 0x42000) r49 = syz_open_dev$evdev(&(0x7f00000032c0)='/dev/input/event#\x00', 0xfffffffffffffffe, 0x0) r50 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r50, 0x0) r51 = accept$inet(r50, &(0x7f0000003300)={0x2, 0x0, @remote}, &(0x7f0000003340)=0x10) r52 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r52, 0x4, 0x42000) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r53, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) r54 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r54, 0x4, 0x42000) ioctl$VIDIOC_G_EXT_CTRLS(r53, 0xc0205647, &(0x7f0000003400)={0x9f0000, 0xfffffbff, 0x1, r54, 0x0, &(0x7f00000033c0)={0x990a68, 0x9, [], @string=&(0x7f0000003380)=0x5}}) r56 = openat$misdntimer(0xffffffffffffff9c, &(0x7f0000003440)='/dev/mISDNtimer\x00', 0x200, 0x0) r57 = openat$tun(0xffffffffffffff9c, &(0x7f0000005a40)='/dev/net/tun\x00', 0x20800, 0x0) r58 = syz_open_dev$sndtimer(&(0x7f0000005a80)='/dev/snd/timer\x00', 0x0, 0x200202) r59 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r59, 0x4, 0x42000) r60 = socket$bt_cmtp(0x1f, 0x3, 0x5) r61 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r61, 0x4, 0x42000) r62 = syz_open_dev$usbmon(&(0x7f0000005ac0)='/dev/usbmon#\x00', 0x10000, 0x2000) r63 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r63, 0x4, 0x42000) r64 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000005b00)='/dev/sequencer2\x00', 0x6000, 0x0) r65 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r65, 0x4, 0x42000) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000005b40)=0x0) r67 = geteuid() r68 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r68, 0x0) statx(r68, &(0x7f0000005b80)='./file0\x00', 0x6000, 0x8, &(0x7f0000005bc0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r71, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r70, r71}, 0x6858}) r72 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r72, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r73}, 0x6858}) r74 = getegid() r75 = getegid() fsetxattr$system_posix_acl(r72, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r73}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r74}, {0x8, 0x3, r75}], {}, {0x20, 0x4}}, 0x5c, 0x0) r76 = getpid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r78, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r77, r78}, 0x6858}) getgroups(0x1, &(0x7f00000078c0)=[0xee01]) r80 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r80, 0x4, 0x42000) r81 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r81, 0x4, 0x42000) r82 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r82, 0x4, 0x42000) r83 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r83, 0x4, 0x42000) r84 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r84, 0x4, 0x42000) r85 = syz_open_dev$mouse(&(0x7f0000008080)='/dev/input/mouse#\x00', 0x100, 0x500) r86 = syz_init_net_socket$llc(0x1a, 0x0, 0x0) r87 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r87, 0x4, 0x42000) r88 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r88, 0x4, 0x42000) r89 = syz_init_net_socket$x25(0x9, 0x5, 0x0) r90 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r90, 0x4, 0x42000) r91 = gettid() r92 = getuid() r93 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r93, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r94}, 0x6858}) r95 = getegid() r96 = getegid() fsetxattr$system_posix_acl(r93, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)=ANY=[@ANYBLOB="0200000001000600000000000200911b", @ANYRES32=0x0, @ANYBLOB="040000000000000008000500", @ANYRES32=r94, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=0x0, @ANYBLOB="08cf9948", @ANYRES32=0x0, @ANYBLOB="08000400", @ANYRES32=0x0, @ANYBLOB='\b\x00\x00\x00', @ANYRES32=r95, @ANYBLOB="08000300", @ANYRES32=r96, @ANYBLOB="10000000000000002000040000000000"], 0x5c, 0x0) r97 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000092c0)='/dev/vhost-vsock\x00', 0x2, 0x0) r98 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r98, 0x4, 0x42000) ioctl$VIDIOC_DQBUF(0xffffffffffffffff, 0xc0585611, &(0x7f0000009300)={0x6, 0x9, 0x4, 0x1000000, 0x8, {0x77359400}, {0x1, 0xc, 0x3, 0x40, 0x3, 0x2, "63b4d2a4"}, 0xfffffffd, 0x1, @userptr=0x10000, 0x0, 0x0, 0xffffffffffffffff}) r100 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r100, 0x4, 0x42000) r101 = socket$nl_crypto(0x10, 0x3, 0x15) r102 = syz_open_dev$char_usb(0xc, 0xb4, 0x7fff) r103 = ioctl$TUNGETDEVNETNS(0xffffffffffffffff, 0x54e3, 0x0) r104 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000009380)='/dev/dlm-control\x00', 0x40c002, 0x0) r105 = syz_open_dev$evdev(&(0x7f00000093c0)='/dev/input/event#\x00', 0x100, 0x501082) r106 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r106, 0x4, 0x42000) r107 = getpid() getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r109, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r108, r109}, 0x6858}) r110 = getegid() r111 = clone3(&(0x7f0000009640)={0x10000, &(0x7f0000009400), &(0x7f0000009440), &(0x7f0000009480), {0x40}, &(0x7f00000094c0)=""/73, 0x49, &(0x7f0000009540)=""/164, &(0x7f0000009600)=[0x0], 0x1}, 0x50) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r113, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r112, r113}, 0x6858}) r114 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r114, &(0x7f0000000000)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}, 0x2}}, 0x26) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r115}, 0x6858}) r116 = getegid() r117 = getegid() fsetxattr$system_posix_acl(r114, &(0x7f0000000100)='system.posix_acl_access\x00', &(0x7f0000000600)={{}, {0x1, 0x6}, [{0x2, 0xf0ef0064bb0d1b91}], {}, [{0x8, 0x5, r115}, {}, {0x8, 0x1}, {0x8, 0x4}, {0x8, 0x0, r116}, {0x8, 0x3, r117}], {}, {0x20, 0x4}}, 0x5c, 0x0) sendmmsg$unix(r0, &(0x7f00000097c0)=[{&(0x7f00000001c0)=@file={0x0, './file1\x00'}, 0x6e, &(0x7f0000001500)=[{&(0x7f0000000300)="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", 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&(0x7f0000007880)=[{&(0x7f00000077c0)="7db5bb9f835ef780b3d1c14101c327ac965a27d9c27c2a3ce3239160bacdc2d1898f41be117cc2142221dd4defe26b046c59d7d8a91886bb306b3401571c71a017c557e1062bcf1dedd94cd557ea5ab983948b0deb43cc67af2a4e4a87f82eed0bfa7d2d543da4befc30b6800b892b5940de89582e704c549fa6b0c8700235140c9381", 0x83}], 0x1, &(0x7f0000007900)=[@cred={{0x1c, 0x1, 0x2, {r76, r78, r79}}}, @rights={{0x20, 0x1, 0x1, [r80, r81, r82, r83]}}], 0x40, 0x20046000}, {&(0x7f0000007940)=@abs={0x1, 0x0, 0x4e24}, 0x6e, &(0x7f0000008000)=[{&(0x7f00000079c0)="ff2327eeb7eb881e6b74e9820c00522ea16912d0341422757fb84a3f75b16e642ece8db9cc06363500d99091982edb9009efa699433326e70eb4ab6a49a993572a1fd9138ab21b2569085e30e7fe7c7306b5581f8bfe87704a1f87073523a65930890587c66526ad0032831309905fde2cf6e04bb4e7536b2e4558c65a7271528acaaf88a8aed5e527a439eb995b4b63df0a2afd1d9186008f414eed40c0bd9d5c38bde69f902de5f5bd0106657097e5d14c9d581bc6f7fe7c1c00d4155f51f7b9b8697aec71b79d5e2e0caded", 0xcd}, {&(0x7f0000007ac0)="f5032f3f0bba3ca9f3032357661722b259bacf0b4c59b2d11f7cf824782c92ddebcec5e4003b0aaa330459d0f806bd736551ec82038a56645da821eaa80e4a124a0f51ca0e022692603e1fd71eb47634989367da70a43bb8bb001ddef28d88d817f412712efad60712423c658e40d2f79fea64c35d7b0760e04797c2b07f70df777ea4292f1a27e2dc77d14f29f63bcf675088b1c7a00c3559a1b6dea3d77c45aadabedac5b747c8e3d0d0dd", 0xac}, {&(0x7f0000007b80)="2929de6fc682a0790c9ee1cf19a400a36b26dc639cc5081ac96781223f1bfb896b77510ffa447c0e513fb44c3371543ddbcec1f2776620e27a9f0659f98e4798880b164123166d3bebfce240dd8e1c17cbe3dd7018074704b3dba24408c44f0a0bd3719a420587c6599b1482d95d3f60b1de4ba78aec664f36bd09480a72a69db73531500653e9a6d46bb4b9f18e1c5c51a7d20ade639631342cb055b6f1a28682f1c5b7864ac3a284283693687816d13d7a7d4474d752e78168404dac08efdf8dd1ab228215660ea2fb2876878fde6be76beb2fb06b25ee5d3aced6dccefb4d6f039e6d5c14b8389357c5fade4f7c25dc397a", 0xf3}, {&(0x7f0000007c80)="ea168beda4e12c8f123cab1337938be0fcec48a17362690ba2fefc18d077b2faa88788c1494b18c33757cd8affefed4ee02d83d1c5b1093e976f9021cf719bf8cbed5870c6bb815718ad6d64d448b8dd8dcee3ac221a628aee26c57fec61f50a69d9693154a89a4fff6ea296926619c7dd2c2b57148edd630fb2e916fe6fb8d38b88559aea02c39a1adcbde99b31461b194b44f4be0fae7b098c6e03d38a6bcd4ae723f06b88cf50e013150a104cf6501a348f62395d426bb94e7b852004c340866d95874b8d", 0xc6}, {&(0x7f0000007d80)="c92af7498890ce8a2307fd6164c6d89acccb5b969023be201142a654f96e8e4d52d039576e333ac18a4c055cb97eea180d977f54697c5f3a4b99d2779d1892c6b0bd70a054916002a2d28b0b82d3b918ea539f26a8c285b703ff8bddd8f0aade9a9ee67d93d42d020968d0580bfb983317cf4c2f291f0776c20afba314db007967d7e1a981393c040046fa26a45f59d45d574823ae0e702555b1b4", 0x9b}, {&(0x7f0000007e40)="d07d1750a3eeb2e4958476774a006e4c9af36b947ef92f2b21e1a694ad7a54aad8ed7a293a26f8b334e1dcc70ae71e7417d7f6ab7edb139867fe94eb4b4db89ef51392978544f6a0d90836e406314916eb67acf7f37a29543e54cd0f32a641219176c522ed2062094a07e009aa0a25ea3ae04ca7769fd475f61dc0e110466bd76c765102fdab9de30d65f47cf66045888bea9efaa24336d1c96cf6b7fc5a13ab20709bff5c37dbb44002be74d065e0162e64032a3bb4152be348830b12d9b88ac398a6bcffc2a9be299459fe28016467cf15c5058a162efefa1c5f4437a635daf7", 0xe1}, {&(0x7f0000007f40)="6eba8c3dd8400919cff58163582656a051026548235290eeeadb", 0x1a}, {&(0x7f0000007f80)="967f718fdcae8f0a5d6df62416e60b83cf7a30201aa1ad8c1d0c37c196193184f2c0f6946ee67d0b4f6478595f839242487d9bf9acc2f17f213a4c8dc668768cc4455b7fc794f12536e1400e65b0428d1cd81183e73a000ab2726739aecb99165a0a428a5994f0316b802523c184a530445f", 0x72}], 0x8, &(0x7f00000096c0)=[@rights={{0x24, 0x1, 0x1, [r84, r85, r86, r87, r88]}}, @rights={{0x18, 0x1, 0x1, [r89, r90]}}, @cred={{0x1c, 0x1, 0x2, {r91, r92, r94}}}, @rights={{0x38, 0x1, 0x1, [r97, r98, r99, r100, r101, r102, r103, r104, r105, r106]}}, @cred={{0x1c, 0x1, 0x2, {r107, r109, r110}}}, @cred={{0x1c, 0x1, 0x2, {r111, r113, r117}}}], 0xd8, 0x20000000}], 0x8, 0x4000000) r118 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r118, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:52 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9000000}}, 0x10) 05:32:52 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf4ffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:53 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff01}}, 0x10) creat(0x0, 0x0) [ 997.466293][T11886] overlayfs: unrecognized mount option "lqèerdir=./bus" or missing value [ 997.500861][T11884] overlayfs: filesystem on './file0' not supported as upperdir 05:32:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 997.654189][T11894] overlayfs: filesystem on './file0' not supported as upperdir 05:32:53 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf5ffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 997.950901][T11910] fuse: Bad value for 'fd' [ 997.960555][T11906] overlayfs: filesystem on './file0' not supported as upperdir [ 997.970789][T11908] overlayfs: filesystem on './file0' not supported as upperdir 05:32:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd2000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 998.020496][T11909] overlayfs: filesystem on './file0' not supported as upperdir 05:32:53 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f}}, 0x10) creat(0x0, 0x0) [ 998.087189][T11920] overlayfs: filesystem on './file0' not supported as upperdir 05:32:53 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfbffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:53 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000000}}, 0x10) 05:32:53 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 998.372744][T12026] overlayfs: filesystem on './file0' not supported as upperdir [ 998.419911][T12033] overlayfs: filesystem on './file0' not supported as upperdir [ 998.473711][T12039] fuse: Bad value for 'fd' 05:32:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffe0}}, 0x10) creat(0x0, 0x0) 05:32:54 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f00000000c0)={0x0, 0x9, 0x1000}) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x2010, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 998.527285][T12035] overlayfs: filesystem on './file0' not supported as upperdir 05:32:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe2000000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 998.606962][T12043] overlayfs: filesystem on './file0' not supported as upperdir 05:32:54 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfeffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:54 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:54 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd000000}}, 0x10) [ 998.862985][T12152] overlayfs: filesystem on './file0' not supported as upperdir [ 998.880887][T12154] overlayfs: filesystem on './file0' not supported as upperdir [ 998.983392][T12169] overlayfs: filesystem on './file0' not supported as upperdir 05:32:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x20000}}, 0x10) creat(0x0, 0x0) 05:32:54 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) r1 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) fsetxattr$trusted_overlay_opaque(r1, &(0x7f00000000c0)='trusted.overlay.opaque\x00', &(0x7f0000000140)='y\x00', 0x2, 0x3) lseek(0xffffffffffffffff, 0x0, 0x0) [ 999.029457][T12166] overlayfs: filesystem on './file0' not supported as upperdir [ 999.070852][T12175] fuse: Bad value for 'fd' 05:32:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe4ffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 999.138421][T12174] overlayfs: filesystem on './file0' not supported as upperdir 05:32:54 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff010000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:54 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf000000}}, 0x10) [ 999.367791][T12283] overlayfs: filesystem on './file0' not supported as upperdir [ 999.417854][ T26] kauditd_printk_skb: 13 callbacks suppressed [ 999.417874][ T26] audit: type=1800 audit(1580103174.886:3868): pid=12287 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16564 res=0 [ 999.433763][T12284] overlayfs: filesystem on './file0' not supported as upperdir 05:32:54 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x24f75}}, 0x10) creat(0x0, 0x0) [ 999.483506][T12292] overlayfs: filesystem on './file0' not supported as upperdir [ 999.526888][ T26] audit: type=1800 audit(1580103174.976:3869): pid=12288 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16595 res=0 05:32:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf4ffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:55 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="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"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r1, 0x0, r3, 0x0, 0x80000001, 0x0) write$FUSE_NOTIFY_STORE(r1, &(0x7f00000000c0)={0x31, 0x4, 0x0, {0x1, 0x6, 0x9, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x31) open(0x0, 0x111000, 0x48) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:55 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, 0x0) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 999.682564][T12299] overlayfs: filesystem on './file0' not supported as upperdir [ 999.692779][T12302] overlayfs: filesystem on './file0' not supported as upperdir 05:32:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f0000}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 999.815565][T12307] overlayfs: filesystem on './file0' not supported as upperdir [ 999.862889][ T26] audit: type=1800 audit(1580103175.326:3870): pid=12336 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16522 res=0 [ 999.885191][T12399] overlayfs: unrecognized mount option "„Æ4 Ë5`óåm¦fƒÅ‡™[Ü!Î6dÉ>{" or missing value 05:32:55 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x10000000}}, 0x10) 05:32:55 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x80000}}, 0x10) creat(0x0, 0x0) [ 999.977420][T12400] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.090258][T12424] fuse: Bad value for 'fd' 05:32:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf5ffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1000.193723][T12426] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.246122][ T26] audit: type=1804 audit(1580103175.716:3871): pid=12421 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/960/bus/bus" dev="overlay" ino=16522 res=1 [ 1000.252814][T12431] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.295131][T12436] overlayfs: filesystem on './file0' not supported as upperdir 05:32:55 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xbb58e}}, 0x10) creat(0x0, 0x0) 05:32:55 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffefffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:55 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x12000000}}, 0x10) [ 1000.478362][T12542] overlayfs: filesystem on './file0' not supported as upperdir 05:32:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfbffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:56 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1000.663272][T12399] overlayfs: unrecognized mount option "„Æ4 Ë5`óåm¦fƒÅ‡™[Ü!Î6dÉ>{" or missing value [ 1000.693486][T12550] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.753513][T12551] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.790579][T12555] overlayfs: filesystem on './file0' not supported as upperdir 05:32:56 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x100000}}, 0x10) creat(0x0, 0x0) [ 1000.800362][ T26] audit: type=1800 audit(1580103176.276:3872): pid=12559 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16551 res=0 05:32:56 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) r1 = getpid() sched_setscheduler(r1, 0x5, &(0x7f0000000380)) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r2, 0x4, 0x42000) perf_event_open(0x0, 0xffffffffffffffff, 0x20000000000002, r2, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:56 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffefff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:56 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x25000000}}, 0x10) [ 1000.960152][T12644] overlayfs: filesystem on './file0' not supported as upperdir [ 1000.994674][T12669] fuse: Bad value for 'fd' [ 1001.066242][ T26] audit: type=1804 audit(1580103176.536:3873): pid=12669 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/961/bus/bus" dev="overlay" ino=16568 res=1 [ 1001.182648][T12672] overlayfs: filesystem on './file0' not supported as upperdir [ 1001.222864][ T26] audit: type=1804 audit(1580103176.596:3874): pid=12625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/961/bus/bus" dev="overlay" ino=16568 res=1 05:32:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfeffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:56 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1001.263703][T12685] overlayfs: filesystem on './file0' not supported as upperdir 05:32:56 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1001.330753][T12683] overlayfs: filesystem on './file0' not supported as upperdir [ 1001.355639][ T26] audit: type=1800 audit(1580103176.776:3875): pid=12677 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16597 res=0 05:32:56 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x800000}}, 0x10) creat(0x0, 0x0) [ 1001.416975][T12691] overlayfs: filesystem on './file0' not supported as upperdir 05:32:56 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffff7f}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1001.582816][T12803] fuse: Bad value for 'fd' 05:32:57 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3f000000}}, 0x10) [ 1001.703661][ T26] audit: type=1804 audit(1580103177.166:3876): pid=12714 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/962/bus/bus" dev="overlay" ino=16539 res=1 [ 1001.722698][T12804] overlayfs: './bus' not a directory [ 1001.750445][T12807] overlayfs: filesystem on './file0' not supported as upperdir [ 1001.765942][T12808] overlayfs: filesystem on './file0' not supported as upperdir 05:32:57 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, 0x0, r3}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1001.807874][ T26] audit: type=1800 audit(1580103177.256:3877): pid=12814 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16660 res=0 05:32:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff010000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1001.853282][T12815] overlayfs: filesystem on './file0' not supported as upperdir 05:32:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x1000000}}, 0x10) creat(0x0, 0x0) 05:32:57 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r2 = accept4(r1, 0x0, 0x0, 0x0) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) r3 = socket$inet(0x2, 0x4000000805, 0x0) r4 = socket$inet_sctp(0x2, 0x5, 0x84) dup3(r3, r4, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000d6cff0)=[@in={0x2, 0x4e20, @loopback}], 0x10) sendto$inet(r4, &(0x7f00003cef9f)='7', 0x1, 0x0, &(0x7f0000618000)={0x2, 0x4e20, @loopback}, 0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000025e000)={0x2, [0x0, 0x0]}, &(0x7f0000a8a000)=0xc) setsockopt$inet_sctp_SCTP_RTOINFO(r3, 0x84, 0x0, &(0x7f0000000000)={r5, 0x9}, 0x10) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000300)={r5, @in={{0x2, 0x4e22, @loopback}}}, 0x84) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x210002, &(0x7f0000000100)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') r6 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r6, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) ioctl$USBDEVFS_RESET(0xffffffffffffffff, 0x5514) lseek(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r8 = socket$alg(0x26, 0x5, 0x0) bind$alg(r8, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r9 = accept4(r8, 0x0, 0x0, 0x0) splice(r7, 0x0, r9, 0x0, 0x80000001, 0x0) connect$pptp(r7, &(0x7f0000000000)={0x18, 0x2, {0x3, @remote}}, 0x1e) 05:32:57 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffffe4}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1002.023562][T12826] overlayfs: filesystem on './file0' not supported as upperdir [ 1002.136931][T12869] fuse: Bad value for 'fd' [ 1002.198801][T12864] overlayfs: filesystem on './file0' not supported as upperdir [ 1002.225470][T12942] overlayfs: missing 'lowerdir' 05:32:57 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x40000000}}, 0x10) [ 1002.243982][T12915] overlayfs: filesystem on './file0' not supported as upperdir 05:32:57 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x2000000}}, 0x10) creat(0x0, 0x0) 05:32:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f0000}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1002.352586][T12948] overlayfs: filesystem on './file0' not supported as upperdir 05:32:57 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:57 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffff4}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1002.524468][T12957] overlayfs: filesystem on './file0' not supported as upperdir [ 1002.642782][T12995] overlayfs: filesystem on './file0' not supported as upperdir 05:32:58 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x494f0200}}, 0x10) [ 1002.699631][T13070] fuse: Bad value for 'fd' [ 1002.714317][T13012] overlayfs: filesystem on './file0' not supported as upperdir 05:32:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x3000000}}, 0x10) creat(0x0, 0x0) 05:32:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffefffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1002.851646][T13074] overlayfs: filesystem on './file0' not supported as upperdir [ 1002.949566][T12951] overlayfs: missing 'lowerdir' 05:32:58 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffff5}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1002.992303][T13080] overlayfs: filesystem on './file0' not supported as upperdir 05:32:58 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f00000000c0)='./file1\x00', 0x1) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='l]werdir=./bus,wur=./file1,upperdSr=./file0\x00\x00\x00\x00']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) splice(r1, 0x0, r3, 0x0, 0x80000001, 0x0) sched_setscheduler(0xffffffffffffffff, 0x6, &(0x7f0000000140)) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:58 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xb8000000}}, 0x10) 05:32:58 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1003.218409][T13189] overlayfs: './bus' not a directory 05:32:58 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x4000000}}, 0x10) creat(0x0, 0x0) [ 1003.323451][T13191] overlayfs: filesystem on './file0' not supported as upperdir [ 1003.390524][T13195] overlayfs: filesystem on './file0' not supported as upperdir [ 1003.410650][T13202] overlayfs: unrecognized mount option "l]werdir=./bus" or missing value 05:32:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffefff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:58 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffffb}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1003.487894][T13205] overlayfs: filesystem on './file0' not supported as upperdir [ 1003.521927][T13211] fuse: Bad value for 'fd' 05:32:59 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc0000000}}, 0x10) [ 1003.695931][T13233] overlayfs: filesystem on './file0' not supported as upperdir 05:32:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x5000000}}, 0x10) creat(0x0, 0x0) [ 1003.831543][T13320] overlayfs: filesystem on './file0' not supported as upperdir [ 1003.842612][T13321] overlayfs: filesystem on './file0' not supported as upperdir 05:32:59 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2}, 0x6858}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:32:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffffe}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffff7f}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1003.953666][T13330] overlayfs: filesystem on './file0' not supported as upperdir 05:32:59 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xce000000}}, 0x10) [ 1004.141198][T13437] fuse: Bad value for 'fd' [ 1004.144541][T13436] overlayfs: filesystem on './file0' not supported as upperdir [ 1004.188367][T13202] overlayfs: unrecognized mount option "l]werdir=./bus" or missing value [ 1004.324823][T13442] overlayfs: filesystem on './file0' not supported as upperdir 05:32:59 executing program 2: mkdir(&(0x7f0000000140)='./bus\x00', 0x798d365c4e6bbcb5) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) fsconfig$FSCONFIG_SET_PATH_EMPTY(r0, 0x4, &(0x7f00000000c0)='\x00', &(0x7f00000001c0)='./file0\x00', r0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:32:59 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x6000000}}, 0x10) creat(0x0, 0x0) [ 1004.396695][T13446] overlayfs: filesystem on './file0' not supported as upperdir [ 1004.427576][T13450] overlayfs: filesystem on './file0' not supported as upperdir 05:32:59 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffffff}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:00 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xe4ffffff}}, 0x10) 05:33:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffffe4}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:00 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1004.637978][T13558] overlayfs: filesystem on './file0' not supported as upperdir [ 1004.707940][T13563] overlayfs: missing 'lowerdir' [ 1004.779738][T13563] overlayfs: missing 'lowerdir' 05:33:00 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8000000}}, 0x10) creat(0x0, 0x0) [ 1004.867284][T13567] overlayfs: filesystem on './file0' not supported as upperdir 05:33:00 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) socketpair(0x3, 0x4, 0x7, &(0x7f0000000300)) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) sendmsg$IPSET_CMD_SWAP(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, 0x6, 0x6, 0x801, 0x0, 0x0, {0x1, 0x0, 0x6}}, 0x14}, 0x1, 0x0, 0x0, 0x10}, 0x40) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) r1 = open(0x0, 0x0, 0x0) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r2, 0x4, 0x42000) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000340)={0x9, 0x6, 0x4, 0x40000, 0x9, {}, {0x1, 0x1, 0x21, 0x8, 0x4, 0x1, "5061a250"}, 0x1, 0x1, @fd=r1, 0x4, 0x0, r2}) lseek(r3, 0x0, 0x0) ioctl$SG_SET_TIMEOUT(r1, 0x2201, &(0x7f00000003c0)=0x7d) [ 1004.912837][T13576] overlayfs: filesystem on './file0' not supported as upperdir [ 1004.923701][T13575] overlayfs: filesystem on './file0' not supported as upperdir 05:33:00 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x2) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffff4}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1005.070381][T13672] fuse: Bad value for 'fd' 05:33:00 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf4ffffff}}, 0x10) [ 1005.159635][ T26] kauditd_printk_skb: 14 callbacks suppressed [ 1005.159657][ T26] audit: type=1804 audit(1580103180.626:3892): pid=13592 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/967/bus/bus" dev="overlay" ino=16540 res=1 [ 1005.164258][T13670] overlayfs: filesystem on './file0' not supported as upperdir [ 1005.210353][T13693] overlayfs: filesystem on './file0' not supported as upperdir 05:33:00 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000300)={0x0, 0x0, @ioapic={0x6b55f396db5bbc46, 0xe5e0, 0x56998000, 0x7ff, 0x0, [{0x9, 0x1f, 0xf9, [], 0x3}, {0x1f, 0x81, 0x1f, [], 0xff}, {0x3e, 0x81, 0x3f, [], 0x6d}, {0x3, 0x4, 0x4, [], 0x6}, {0x2, 0xfa, 0x2d, [], 0x5}, {0xa1, 0x81, 0xfa, [], 0x40}, {0x6, 0x7}, {0x40, 0x8, 0x0, [], 0x49}, {0x0, 0x1f, 0x1, [], 0x80}, {0x80, 0x1, 0x8}, {0x4, 0x20, 0x1, [], 0x40}, {0x1f, 0x1, 0x6f, [], 0x1}, {0xf9, 0x22, 0x80, [], 0xfc}, {0x1f, 0x1f, 0x6, [], 0x81}, {0x80, 0x60, 0xbc, [], 0x1}, {0xff, 0x93, 0x0, [], 0x20}, {0x1, 0x1, 0x8, [], 0x6e}, {0x0, 0x1, 0x4, [], 0x7}, {0x1, 0x22, 0x2, [], 0x96}, {0x24, 0x20, 0x0, [], 0x1a}, {0x9, 0x6, 0x9, [], 0xad}, {0x6, 0x3, 0x40, [], 0x3}, {0xf7, 0x7f, 0xfb, [], 0x7f}, {0x0, 0x5, 0x3f, [], 0x7}]}}) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1005.383568][T13697] overlayfs: filesystem on './file0' not supported as upperdir [ 1005.420852][ T26] audit: type=1800 audit(1580103180.886:3893): pid=13702 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="bus" dev="overlay" ino=16622 res=0 [ 1005.473369][ T26] audit: type=1800 audit(1580103180.936:3894): pid=13705 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="overlay" ino=16542 res=0 05:33:01 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8040000}}, 0x10) creat(0x0, 0x0) 05:33:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1005.526777][T13699] overlayfs: filesystem on './file0' not supported as upperdir [ 1005.548977][ T26] audit: type=1800 audit(1580103181.016:3895): pid=13708 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16559 res=0 [ 1005.556540][T13707] overlayfs: filesystem on './file0' not supported as upperdir 05:33:01 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x3) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:01 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffff5}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1005.774030][T13714] overlayfs: filesystem on './file0' not supported as upperdir 05:33:01 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xf5ffffff}}, 0x10) [ 1005.849721][ T26] audit: type=1800 audit(1580103181.316:3896): pid=13818 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16528 res=0 [ 1005.893788][T13822] overlayfs: filesystem on './file0' not supported as upperdir [ 1005.914267][T13829] overlayfs: filesystem on './file0' not supported as upperdir [ 1005.935891][ T26] audit: type=1800 audit(1580103181.326:3897): pid=13824 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="overlay" ino=16528 res=0 [ 1005.981958][T13820] fuse: Bad value for 'max_read' 05:33:01 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffffb}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:01 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x1d) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000900)=ANY=[@ANYBLOB="6c6f776572646972a5a11fb59e6b08ac5085a1fc3d2e2f6275732c776f726b6469723d2e587065726469723d2e2f66696c653000000000000000005a2016ae353a642ee70efa8fc82bc0f4e02c043c61040c35a608b37662dc7dcf82ae53583b2e99c8bfc7149faa81e24bacbd"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) getsockopt$ARPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x63, &(0x7f0000000300)={'icmp\x00'}, &(0x7f0000000340)=0x1e) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000400)={0x26, 'hash\x00', 0x0, 0x0, 'digest_null\x00'}, 0x58) accept4(r1, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, 0x0, 0x0) sendmsg(r1, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000001c0)="2a7beceaeea475f076ddae234777f6ffa52b9053059bf22192e62140fda2402f4c34bea1ae158902f29becf1991f6bb7a7ee5f0ea422ac8ddd240b62275266fe10c7bd6cedbebdc5bb18d194c0cd91742ff647eea088d1f2c919b931a8e59adc5940e4b8928373aaa5cda5aecaf216c527195dde325c64567854d82719", 0x7d}, {&(0x7f00000000c0)="9c7e", 0x2}, {&(0x7f0000000880)="0bed585f2544d64c51d5b44ccabacc09c208096b5e435cef42bca4b599c08f2aee040b6c6836e6d4f8839f457e9fd0f2772bedb1008051aac0be2861d4019dfa2f0928e46858a8f59ce4c3b67097194f5d9151de0a598b3cb58e", 0x5a}, {&(0x7f0000000380)="4a0d6541407b5052d21594afdcc5ec5cc8869bd75daba87e300ef02525848433459c9c015a3b67769a44f3aeb38f97de61227fb6bcdb71b96e4027e5f55984151def89102df7f5ac5d01b8e81c77e6a604b1fee15b6be24f77e75d51a71660dc6f6d5489b35d5385c92f3e0c836e713c99c38f9edb79986fa7a133dc92bcbce75c99bee88614f3c2e531658e6593c1aa4f5c06e8046132e0dce7d263119213f15dba561adb7b5b13fecd9db609", 0xad}, {&(0x7f0000000140)="9438a0ed97a2cd7500bf91841c3afa12fba3df19ccbc651c32003a8987d72bd1c4baf0fe61f8ddf355e9bb230a0b8a7ec26b13047ad29a2975a0f3", 0x3b}, {&(0x7f0000000440)="8fb8723406bb11cef6e72b1be7bafbbd8c510616c9a112a2ce23e87f1514cf76a64b12545c00e40008c98082572385d1e01a0ff757d657a8a909d55a2d8854b29f07e1cf17f221b0dcd3c58d809164b5113bd3aeca7220551a2c62fd958898a419d3ffc3c5960b9c4a5361804a04d31aae93c9a8a2929ad8f149dc585e77bfb7916282a7b71ab2213b926a0159748aade95e26876805", 0x96}, {&(0x7f0000000500)="4692ef1829dc37e74c3a6135b10919fb1503e2d4a6beb1c87f4cfe718febf7fd1ed176073e1ab980720001dd03a8b89f6775252003b41ae5e1a882f75eb352bb9f09c08d23f94b3142009c2bb00c95d51e4ddbe6d566", 0x56}], 0x7, &(0x7f0000000600)=[{0x48, 0x84, 0xe40000, "24e85df5c8785bf32772508f88095fc8158851cd3ff41370f33abe786dbc6f4888471e0fd8d1aa7d01127fd7c2d1b88510"}, {0xc0, 0x11, 0x9, "547bdbc2ca5080ea016e82c308a92a5a7f1becb0b587a0a4dbfe201a0519357bba2a65551a25a855220b5cc3fe5f73b79eb324425e5164e0650506125cef1c69f52f26cac07676196580003e43562257cd7d84fb44ebd7ff1ea812561998d6d75eaf0c04228c4b81a53d25e0000bc487bad40e83604c053cc47263a8ffc55916bbcaf01ea458cc314adfcdfbcd4774052ec7af557b95f0df558b9160fb3d6997b432a37126567ea53720d3d74cc262"}, {0x110, 0x6, 0xa976, "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"}, {0x1, 0x119, 0x4, 'm'}], 0x230}, 0x4008010) [ 1005.998128][T13833] overlayfs: filesystem on './file0' not supported as upperdir [ 1006.012093][ T26] audit: type=1800 audit(1580103181.406:3898): pid=13823 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16570 res=0 05:33:01 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x8800000}}, 0x10) creat(0x0, 0x0) [ 1006.094398][ T26] audit: type=1804 audit(1580103181.556:3899): pid=13820 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir807941122/syzkaller.JpI7La/968/bus/bus" dev="overlay" ino=16627 res=1 05:33:01 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x4) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:01 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}}) mount$fuse(0x0, &(0x7f0000000040)='./bus\x00', &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1006.272134][T13843] overlayfs: filesystem on './file0' not supported as upperdir [ 1006.299059][T13849] overlayfs: unrecognized mount option "lowerdir¥¡µžk¬P…¡ü=./bus" or missing value [ 1006.355177][T13849] overlayfs: unrecognized mount option "lowerdir¥¡µžk¬P…¡ü=./bus" or missing value [ 1006.387497][T13851] overlayfs: filesystem on './file0' not supported as upperdir [ 1006.439838][ T26] audit: type=1800 audit(1580103181.906:3900): pid=13959 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=16575 res=0 [ 1006.476662][T13961] overlayfs: filesystem on './file0' not supported as upperdir 05:33:01 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfbffffff}}, 0x10) [ 1006.482607][T13928] overlayfs: filesystem on './file0' not supported as upperdir [ 1006.511312][ T26] audit: type=1800 audit(1580103181.966:3901): pid=13962 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="overlay" ino=16566 res=0 05:33:02 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0xf9) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfffffffe}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:02 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) open$dir(&(0x7f0000000100)='./file1\x00', 0x80000, 0x1) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="6c6f7765726469723d2e2f7875732c776f726b6469723d2e2f66696c65312c75707065726469723d2e2f66696c6530b6b193f0447707d558911d8444b77f57c5414ba10a982adeb585f827181350d32a642679db2fdabbe2680ffee1915a10"]) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) r1 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r5, 0xee01) r6 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r6, 0x4, 0x42000) write(r6, &(0x7f00000004c0)="9803e8aa24b6cdf192ae65d606013da36e600a12bec960a86f18f094762fe7ac3010dba516ce63ae8b8ab878e871a00397aaeb07a9e379c633f105aca59703a314665be3dd937b26dc1adccd6ddd15925509d141b69eaf220b13f6ebade700041292dd64a0aa6d262d0607720ce4ea8c4f7b2271c25bf27ff14db230edec6e6a8f351452224fbd189382cd522b9d3d59d40461119f4c1553c85c98d8fb964526b764f63d255f7c81bdb6bc", 0xab) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r4, r5}, 0x6858}) syz_mount_image$xfs(&(0x7f0000000300)='xfs\x00', &(0x7f0000000340)='./file1\x00', 0x0, 0x1, &(0x7f00000003c0)=[{&(0x7f0000000380)="76630ced25d3946c6b4fedac1459ff8912b1", 0x12, 0x4}], 0x800021, &(0x7f0000000400)=ANY=[@ANYBLOB='filestreams,biosize=00000000000000000009,obj_user=overlay\x00,euid=', @ANYRESDEC=r3, @ANYBLOB="2c75cc373c", @ANYRESDEC=r5, @ANYBLOB=',appraise_type=imasig,\x00']) r7 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) fcntl$setstatus(r7, 0x4, 0x42000) connect$caif(r1, &(0x7f00000000c0)=@rfm={0x25, 0x8000, "585116736c794ed8e6d7f6ab7ea9ef18"}, 0x18) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x3000002, 0x10010, r7, 0x1000) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x20003}}, 0x10) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r8, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$GIO_CMAP(r8, 0x4b70, &(0x7f0000000140)) 05:33:02 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0x9000000}}, 0x10) creat(0x0, 0x0) [ 1006.739370][T13976] overlayfs: failed to resolve './file0¶±“ðDwÕX‘„D·WÅAK¡ [ 1006.739370][T13976] ˜*Þµ…ø'PÓ*d&yÛ/Ú»âhþá‘Z': -2 [ 1006.809979][T13972] fuse: Bad value for 'max_read' [ 1006.832766][T13978] overlayfs: filesystem on './file0' not supported as upperdir [ 1007.033411][T14002] overlayfs: filesystem on './file0' not supported as upperdir [ 1007.034005][T13985] overlayfs: filesystem on './file0' not supported as upperdir 05:33:02 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, 0x0, &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) 05:33:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xffffffff}}, 0x10) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:02 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xfeffffff}}, 0x10) 05:33:02 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0xfa) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1007.201884][T14095] overlayfs: './bus' not a directory 05:33:02 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xc000000}}, 0x10) creat(0x0, 0x0) [ 1007.440785][T14106] overlayfs: filesystem on './file0' not supported as upperdir [ 1007.442583][T14107] overlayfs: filesystem on './file0' not supported as upperdir 05:33:03 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x400, &(0x7f0000000100)=ANY=[@ANYRESHEX=r0]) chdir(&(0x7f00000002c0)='./bus\x00') r1 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) lookup_dcookie(0x4, &(0x7f0000000400)=""/66, 0x42) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x10, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r1, &(0x7f0000000040)={0x7, 0x8}, 0x10) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(0xffffffffffffffff, 0x4058534c, &(0x7f0000000300)={0x8001, 0xea6, 0x8001, 0x8001, 0x20, 0x1f}) open(0x0, 0x0, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r2, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) ioctl$BLKROGET(r2, 0x125e, &(0x7f00000003c0)) lseek(0xffffffffffffffff, 0x0, 0x0) r3 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x80010, r3, 0x0) r4 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r4, 0x0) ioctl$sock_SIOCBRADDBR(r4, 0x89a0, &(0x7f0000000380)='ipvlan0\x00') clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) ioctl$VIDIOC_QUERYBUF(r3, 0xc0585609, &(0x7f00000001c0)={0x2675, 0x4, 0x4, 0x40000000, 0x5, {r5, r6/1000+10000}, {0x2, 0xc, 0x81, 0x0, 0x1, 0x0, "aa4ffabe"}, 0xa000000, 0x1, @planes=&(0x7f0000000140)={0xffffffb1, 0x1, @mem_offset=0x8}, 0x81, 0x0, 0xffffffffffffffff}) ioctl$SNDRV_PCM_IOCTL_PREPARE(r7, 0x4140, 0x0) [ 1007.573134][T14118] overlayfs: filesystem on './file0' not supported as upperdir 05:33:03 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x2) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:03 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff010000}}, 0x10) 05:33:03 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0xfdef) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:03 executing program 0: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) arch_prctl$ARCH_SET_GS(0x1001, 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', 0x0, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r1}, 0x6858}) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000014c0)={0x0, 0x0, 0x0}, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) lchown(&(0x7f0000000400)='./file0\x00', r3, 0xee01) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000002380)={{0x2, 0x0, r2, r3}, 0x6858}) mount$fuse(0x0, 0x0, &(0x7f00000000c0)='fuse\x00', 0x40, &(0x7f0000000300)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}, 0x2c, {'user_id'}, 0x2c, {'group_id', 0x3d, r2}, 0x2c, {[{@max_read={'max_read', 0x3d, 0x7}}, {@default_permissions='default_permissions'}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x5}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x20}}, {@default_permissions='default_permissions'}, {@max_read={'max_read', 0x3d, 0x100000000}}, {@allow_other='allow_other'}, {@max_read={'max_read'}}], [{@obj_type={'obj_type', 0x3d, 'overlay\x00'}}]}}) r4 = creat(&(0x7f0000000200)='./bus\x00', 0x0) truncate(&(0x7f0000000000)='./bus\x00', 0x1000) r5 = open(&(0x7f0000000480)='./bus\x00', 0x0, 0x0) lseek(r4, 0x0, 0x2) sendfile(r4, r5, 0x0, 0x40d09) [ 1007.728956][T14228] overlayfs: filesystem on './file0' not supported as upperdir 05:33:03 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xd000000}}, 0x10) creat(0x0, 0x0) [ 1007.870496][T14230] overlayfs: unrecognized mount option "0x0000000000000003" or missing value [ 1007.967572][T14237] overlayfs: filesystem on './file0' not supported as upperdir [ 1008.010841][T14238] overlayfs: filesystem on './file0' not supported as upperdir [ 1008.045031][T14243] overlayfs: filesystem on './file0' not supported as upperdir 05:33:03 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x3) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) 05:33:03 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0xfff9) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1008.194012][ T8119] ================================================================== [ 1008.202266][ T8119] BUG: KCSAN: data-race in wbc_detach_inode / wbc_detach_inode [ 1008.209901][ T8119] [ 1008.212241][ T8119] write to 0xffff888129edf25c of 2 bytes by task 8115 on cpu 1: [ 1008.219882][ T8119] wbc_detach_inode+0x260/0x520 [ 1008.224756][ T8119] __filemap_fdatawrite_range+0x1d4/0x230 [ 1008.230502][ T8119] filemap_flush+0x2d/0x40 [ 1008.234920][ T8119] __sync_blockdev+0x81/0x90 [ 1008.239517][ T8119] sync_filesystem+0x116/0x1a0 05:33:03 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8, 0xfa00, {0xffffffffffffffff, 0xff0f0000}}, 0x10) [ 1008.244306][ T8119] ovl_sync_fs+0x92/0xa0 [ 1008.248559][ T8119] sync_filesystem+0x168/0x1a0 [ 1008.253322][ T8119] generic_shutdown_super+0x6b/0x260 [ 1008.258623][ T8119] kill_anon_super+0x2f/0x50 [ 1008.263220][ T8119] deactivate_locked_super+0x64/0xb0 [ 1008.268509][ T8119] deactivate_super+0xca/0xe0 [ 1008.273191][ T8119] cleanup_mnt+0x27f/0x330 [ 1008.277616][ T8119] __cleanup_mnt+0x1f/0x30 [ 1008.282048][ T8119] task_work_run+0xf6/0x130 [ 1008.286560][ T8119] exit_to_usermode_loop+0x2b4/0x2c0 [ 1008.292072][ T8119] do_syscall_64+0x384/0x3a0 [ 1008.296676][ T8119] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1008.302569][ T8119] [ 1008.305038][ T8119] read to 0xffff888129edf25c of 2 bytes by task 8119 on cpu 0: [ 1008.312614][ T8119] wbc_detach_inode+0x95/0x520 [ 1008.317744][ T8119] __filemap_fdatawrite_range+0x1d4/0x230 [ 1008.323562][ T8119] filemap_flush+0x2d/0x40 [ 1008.326045][T14357] overlayfs: filesystem on './file0' not supported as upperdir [ 1008.327989][ T8119] __sync_blockdev+0x81/0x90 [ 1008.328007][ T8119] sync_filesystem+0x116/0x1a0 [ 1008.328087][ T8119] ovl_sync_fs+0x92/0xa0 [ 1008.349199][ T8119] sync_filesystem+0x168/0x1a0 [ 1008.353995][ T8119] generic_shutdown_super+0x6b/0x260 [ 1008.359282][ T8119] kill_anon_super+0x2f/0x50 [ 1008.363874][ T8119] deactivate_locked_super+0x64/0xb0 [ 1008.369164][ T8119] deactivate_super+0xca/0xe0 [ 1008.373857][ T8119] cleanup_mnt+0x27f/0x330 [ 1008.378281][ T8119] __cleanup_mnt+0x1f/0x30 [ 1008.382785][ T8119] task_work_run+0xf6/0x130 [ 1008.387300][ T8119] exit_to_usermode_loop+0x2b4/0x2c0 05:33:03 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) chdir(&(0x7f00000002c0)='./bus\x00') r0 = open(&(0x7f000000fffa)='./bus\x00', 0x103042, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$DRM_IOCTL_MODE_CURSOR2(0xffffffffffffffff, 0xc02464bb, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_IP(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000040)={0x7, 0x8}, 0x4) creat(0x0, 0x0) open(0x0, 0x0, 0x0) lseek(0xffffffffffffffff, 0x0, 0x0) [ 1008.392600][ T8119] do_syscall_64+0x384/0x3a0 [ 1008.397207][ T8119] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1008.403354][ T8119] [ 1008.405684][ T8119] Reported by Kernel Concurrency Sanitizer on: [ 1008.411937][ T8119] CPU: 0 PID: 8119 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 1008.413903][T14355] overlayfs: filesystem on './file0' not supported as upperdir [ 1008.420537][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1008.420545][ T8119] ================================================================== [ 1008.420554][ T8119] Kernel panic - not syncing: panic_on_warn set ... [ 1008.420573][ T8119] CPU: 0 PID: 8119 Comm: syz-executor.4 Not tainted 5.5.0-rc1-syzkaller #0 [ 1008.420582][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1008.420586][ T8119] Call Trace: [ 1008.420610][ T8119] dump_stack+0x11d/0x181 [ 1008.420631][ T8119] panic+0x210/0x640 [ 1008.420653][ T8119] ? vprintk_func+0x8d/0x140 [ 1008.420675][ T8119] kcsan_report.cold+0xc/0xd [ 1008.420704][ T8119] kcsan_setup_watchpoint+0x3fe/0x460 [ 1008.497785][ T8119] __tsan_read2+0xc6/0x100 [ 1008.502217][ T8119] wbc_detach_inode+0x95/0x520 [ 1008.507124][ T8119] ? wbc_attach_and_unlock_inode+0xdd/0x3b0 [ 1008.513033][ T8119] __filemap_fdatawrite_range+0x1d4/0x230 [ 1008.518770][ T8119] filemap_flush+0x2d/0x40 [ 1008.523199][ T8119] __sync_blockdev+0x81/0x90 [ 1008.527807][ T8119] ? ext4_statfs+0x6e0/0x6e0 [ 1008.532629][ T8119] sync_filesystem+0x116/0x1a0 [ 1008.537401][ T8119] ovl_sync_fs+0x92/0xa0 [ 1008.541651][ T8119] ? ovl_statfs+0xf0/0xf0 [ 1008.545984][ T8119] sync_filesystem+0x168/0x1a0 [ 1008.550758][ T8119] generic_shutdown_super+0x6b/0x260 [ 1008.556043][ T8119] kill_anon_super+0x2f/0x50 [ 1008.560641][ T8119] deactivate_locked_super+0x64/0xb0 [ 1008.565944][ T8119] deactivate_super+0xca/0xe0 [ 1008.570629][ T8119] cleanup_mnt+0x27f/0x330 [ 1008.575263][ T8119] __cleanup_mnt+0x1f/0x30 [ 1008.579688][ T8119] task_work_run+0xf6/0x130 [ 1008.584221][ T8119] exit_to_usermode_loop+0x2b4/0x2c0 [ 1008.589639][ T8119] do_syscall_64+0x384/0x3a0 [ 1008.594356][ T8119] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1008.600248][ T8119] RIP: 0033:0x45dd77 [ 1008.604162][ T8119] Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1008.623854][ T8119] RSP: 002b:00007ffeb348cd48 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 1008.632552][ T8119] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045dd77 [ 1008.640535][ T8119] RDX: 0000000000403720 RSI: 0000000000000002 RDI: 00007ffeb348cdf0 [ 1008.648506][ T8119] RBP: 0000000000000a92 R08: 0000000000000000 R09: 0000000000000009 [ 1008.656479][ T8119] R10: 0000000000000003 R11: 0000000000000202 R12: 00007ffeb348de80 [ 1008.664578][ T8119] R13: 0000000000d9b940 R14: 0000000000000000 R15: 00007ffeb348de80 [ 1008.674021][ T8119] Kernel Offset: disabled [ 1008.678970][ T8119] Rebooting in 86400 seconds..