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{&(0x7f0000009140)="d136f5d7c716121383ec4fb6ed7da36051d7db98a97b587f9bc12d874fea54c581312b227738d6cceecf536b9bee3ae4092e18f2f1436f4332154d92b44e78cc176b78f025392572d4dc5535d567c4ce38227ed9ef47ffc71cb87c72a85b1d9c093a40f64113611924c1b336dd00e89f1f61fc30dcf49cabffd615f128ee6191dbc5d98dd06faf86d93e05c18b9cddaaa57c43ada515fb9c5f2473ea7fa9eec4d8", 0xa1}, {&(0x7f000000adc0)="b6bee79988d61213a5cb543cbc5b215cc814b1c0125fa0c09dc2b8c9cd96fa7ed03e056915ca3ce157c11c67951a48f67ad7efcdb79e3a4a9ccff7a756ba132aaa5691043d305bd9a8bf0aeaddc947d511561491d5f29cfe55f9e2134a93c3a3d0ac9406c0e56866d5002d73c1aa46a85c827408f9fa0eff6f151ba68969e1d2bf09c3fcd5f4b0ef304bb55c20c8042cb69b2fafa9756ce8a7ebaf871f996625e6114e241df106540e", 0xa9}, {&(0x7f0000009280)="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", 0x1000}], 0x9, &(0x7f000000a340)=[{0xc8, 0x115, 0x2, "f8b32d39a053f83f715a3ed6144644f8f9860ecccb414778dc474aa939edf358632b2da4b86ab5c7498212edaafa2f351d6999f0c5f438d4e29d16abd698271703245ed2fdca5bfb0381cf174e483c9ed1a372f6182471b6bb6987961ab6604f4eb8b50a8179fa4cd89836e42a0641ba5ca58cf0ae12607aba4aa291677d91dbb2128d097a9dff92c5f37aac7470ab31d81f96fe7f61e36cedc61293e234c4c25fd14202b60fd67abe8dc566622f4218cffd5662e8d7"}, {0xc8, 0x11f, 0x8000, "dbb3db8430db0f78f6a857643afab2105be6d36c7fcb2cd93ec5b7cf3937fcf7626b0be26f1697245c771ca77f751dd2fd18ebe596b64f224766f40f3cbe52ac096b16bd57c20ded8c12f35bb40ab5c6f299ef01e181a04605abf9be0d7a852d2a431ab6436b1092f846bdb6ed65ba5b923addd4e4036ba5339431b656c54fff691557640dc457d759f8ae3d7a4345cef963f300db5e58956855bfef8f61dfb5241491d406769bf5440a7123d9274a824e864b7e72bb7a4f"}], 0x190, 0x20044840}, 0x9}, {{&(0x7f000000a500)=@nfc_llcp={0x27, 0x0, 0x2, 0x0, 0x40, 0x7f, "5356015e495bbb3a4f5f1e295cb6dff11c2c7bdcdfb4dab7a973394b01ed1082b5dc0c348dd89f9b6b5ef044f7e3d6f32d13b52c16994f320c2b7d952dd642", 0x36}, 0x80, &(0x7f000000a5c0)=[{&(0x7f000000a580)="25b3b51ee96675ff4d7da5614d15be7ce9bed4550a803b7b75ada59b45547b0cda2455e70058f0578470b5a2301e751daf6eb27af4ac1156c329", 0x3a}], 0x1, &(0x7f000000a600)=[{0x18, 0x19f, 0x9, "2cb586b08507"}, {0xb8, 0x10c, 0x80, "0ecf0c25e7dece3c844053a1ca1521a2518eee648cbad1a957916c5e3a0ef369f4586f3715dc44dd12cbd09839286cebaf6c365e69ce20fe39a6c18c031d15766c798ec8eb2b61090f179ca4273087da5c542218d18b1f37dead04ea35bc4c5a80f71e435dd77b5895345370348a246b1712857d0cda8d3c5a6e24593bdab6dddca02210bf57a933209d931617d361f029bcf68a2b93170f82861544a00db15aef35130420ae"}], 0xd0, 0x40}}, {{0x0, 0x0, &(0x7f000000aa00)=[{&(0x7f000000a700)="bdd8e8251d41aca13a0f3760e086361c2890927566804f20d9ace8e99d4c9057bc2a5136801189048bf4e8dc47f140ac7c4b8dc020d1119bb28627559fa86ab3799a902f2424bba1e26596ea29741c7abfc2c5ea76d10011656a85ed723221c367daf294942f1e2f54824bb567a8fd88ac72063ffed49bac22a2a51f86623a1626257b969f704ca9a47d3c93121e449eecb42f1d1f684ffd259ac875eccf6427cc432f703002720b9d8085891c42b11311a8336ad45bf23ed9f1ac58419e8a68421c8522fda61b7fd1e2ef047438db8c8da9d23f505fd0c66bd68a2e2b4847b950a76c6bbd4ff5", 0xe7}, {&(0x7f000000a800)="b591e36ece976984f1bb09aae526b7da9a3d5bc07c886a067ef8b3f27a0278315cfa0bd6bf091338b4c8d9f7f85614735a384ef108ebf934c51f4d061cba7fcaf0dfcd7340be6b725668cfd044952f098a15b289", 0x54}, {&(0x7f000000a880)="c4ac53b4ac1fddd6d73adc74890ee0b2c618369172397a1dcb246a3f33f458f6346f6b85bc267c1e3f8fdad5728b111bec4aa836c54d934c04f1fe305c540ede709b75e58ea3b2bde01df1121c3355313977a139566d1c883f83694998cecaa5847ef7b31a1162c0051e6e84bcdb8a0faa126bf5705613d5b3a128daaa3116a0cc79ddc165c75178e8e5164c9a0ec27e1e616235c876b4b8f94fdbb4e06e39f55cc9d1", 0xa3}, {&(0x7f000000a940)="5dc989eb009ba4d70fa57b09757ad5eb9ad4a6db8fed3791e768f4a32999b6ae", 0x20}, {&(0x7f000000a980)="26f4bd52dfbfe54181d78de746eb360256c7111e5b3c16eec5f022471c5291ee293815ee1418aa50def83feb9932d2532be0088969cae9fe8a66ea56e689363cbae504e89db87f521be39466c5320f732c31aa6170ccb89beb35773d137389552c05f175501ce988aad6ebd4dcff2806282c2766", 0x74}], 0x5, &(0x7f000000aa80)=[{0xe0, 0x113, 0x4, "596c30bc47f72a5538e436bd9a7cd0adf0c2699cc6f4f750811f2aaddd66138e8c6a6ef4c9b42c76cd45f391a1a57f4364013ea79a139fab96216809d0d733de88a70b78b15c12eaf41e076b7887b035e7f9b400d281711b31f58d62f9f97f5bee2579e93ac8f446f791fed8d0ffcca353d4eb3977ece0891a5a2ff7d19f4ba28f9c5e77858cf588c208cc689348bb21dc6a647e7da96717cd2607caffedaae9e6e92e1650f30d88281c1d55805ca764c017bb9b4735980f8787e40e4fd720d24fdbb99311d07d9d64d07a15a5817007"}], 0xe0, 0x10}, 0x5}], 0x8, 0x0) 03:09:56 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:57 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd302}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:09:57 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[]}}, 0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:09:57 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = accept4(r0, &(0x7f0000000000)=@nl=@unspec, &(0x7f0000000200)=0x80, 0x80000) bind$pptp(r1, &(0x7f0000000240)={0x18, 0x2, {0x0, @local}}, 0x1e) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5038084b920903a7ca80451c9fddfd3aacca7579c0b31bdf95302fb7564eb6c0c8448fb312668dfa0786fb74893fdd0107c0b47a0d9edfef381082190cd7bcfacef731a97a025395eeb42e44792831310e51f29c17c2b7ee6de3ad4b7b542fda3b94cc18ea0352f6da1efe9a5db18a0cc38c3e2cb747cdcf603819d70c47bafe116d5d578925e4aa6c5be5d8b1d3cbb250ed41"], &(0x7f0000000080)) getsockopt$inet6_udp_int(r0, 0x11, 0x0, &(0x7f00000001c0), &(0x7f00000002c0)=0xce) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f00000000c0)) [ 1893.015937] FAT-fs (loop3): bogus number of reserved sectors [ 1893.048363] FAT-fs (loop3): Can't find a valid FAT filesystem 03:09:57 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:57 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd302000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1893.151221] FAT-fs (loop3): bogus number of reserved sectors [ 1893.176651] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1893.224815] overlayfs: filesystem on './file0' not supported as upperdir 03:09:57 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x8003a0}}, 0x24, 0x0) 03:09:57 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock\x00', 0x608000, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000000)={0x0, 0x0}, &(0x7f0000000040)=0xc) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000140)={{{@in=@multicast1, @in6=@local, 0x4e23, 0x3, 0x4e22, 0xffffffffffffff00, 0xa, 0xa0, 0xa0, 0x6af6e7bf72b10981, 0x0, r2}, {0x90, 0x0, 0x2, 0x7ff, 0x87, 0x401, 0x9, 0x7}, {0x8, 0x3f, 0x400, 0x8}, 0x3f, 0x6e6bb2, 0x3, 0x1, 0x2}, {{@in=@multicast1, 0x4d2, 0x3f}, 0x2, @in6, 0x3502, 0x2, 0x2, 0x80000000, 0x9, 0x8, 0xfffffffffffffffd}}, 0xe8) fanotify_init(0xa, 0x189003) ioctl$ASHMEM_SET_NAME(r1, 0x41007701, &(0x7f00000000c0)='proc#&\x00') ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000300)) finit_module(r0, &(0x7f0000000240)='!eth1self\x00', 0x0) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="c0db1b3f25772e4b"], &(0x7f00000002c0)) 03:09:57 executing program 5 (fault-call:6 fault-nth:0): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:57 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="100047b400000f7f0000e0ffffff440000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000300)='/dev/full\x00', 0x80000, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, &(0x7f0000000340)) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) gettid() r3 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x10001, 0x2000) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000003b80)={'vcan0\x00', 0x0}) sendmsg$xdp(r3, &(0x7f0000004dc0)={&(0x7f0000003bc0)={0x2c, 0x4, r4, 0x33}, 0x10, &(0x7f0000004d80)=[{&(0x7f0000003c00)="2f83dd4416", 0x5}, {&(0x7f0000003c40)="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", 0x1000}, {&(0x7f0000004c40)="0ef067001327daeed8b37c0d9157db8076693d60e58ad0a0a2cdd68543fc3b84af0caa4887b08d8ba9fd1e32dccdc3281132de771414e07488756a071b92320661ef3065ec9ee97e3e22eea4d1ccfdd95a8ab666fc092c07b282839c2750e3cedae17fb45803ac10ef2dbcbf1db90472a4ae0c6511de837b7125f4fe215f150c91806e9858df3c0eb059f6ace32e3f82b7f56e45945568be825dc4e07cc4c7f60ae2de3b090a3094d8a90051ff9f80e58c9e", 0xb2}, {&(0x7f0000004d00)="10958578ac86158dc5e69dc1f797011ff28688720ba1292bf285b40b760f0568811ac0ad0aab0c6ae58c42fa51a2f26d444684f55d6b62f6f5c523797d0854e3db548f4775dfb448b5252f361da45b2f573dae27a09b83e1be83c576573091e7614d2e30ade2235976ff8886d5", 0x6d}], 0x4, 0x0, 0x0, 0x4800}, 0x840) getsockopt$inet6_mtu(r3, 0x29, 0x17, &(0x7f00000000c0), &(0x7f0000000280)=0x4) clock_adjtime(0x7, &(0x7f0000000140)={0x4, 0x6, 0x10000, 0x7fffffff, 0x3f, 0x400, 0x2, 0x40, 0x9, 0x8, 0x0, 0x7fffffff, 0x83ac, 0x0, 0x9, 0x1e, 0x3, 0x2, 0x9, 0x3, 0x5, 0x8, 0x1000, 0x2, 0xfffffffffffff001, 0x7}) socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f00000002c0)={0x6}, 0x4) 03:09:57 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1893.324987] FAULT_INJECTION: forcing a failure. [ 1893.324987] name failslab, interval 1, probability 0, space 0, times 0 [ 1893.372465] CPU: 1 PID: 7346 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1893.379738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1893.389114] Call Trace: [ 1893.391724] dump_stack+0x1c4/0x2b4 [ 1893.391745] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1893.400576] should_fail.cold.4+0xa/0x17 [ 1893.400597] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1893.400620] ? __f_unlock_pos+0x19/0x20 [ 1893.406386] FAT-fs (loop3): bogus number of reserved sectors [ 1893.409774] ? lock_downgrade+0x900/0x900 [ 1893.409792] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1893.409810] ? proc_fail_nth_write+0x9e/0x210 [ 1893.413946] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1893.419578] ? kasan_check_read+0x11/0x20 [ 1893.419601] ? fs_reclaim_acquire+0x20/0x20 [ 1893.419621] ? lock_downgrade+0x900/0x900 [ 1893.452257] ? ___might_sleep+0x1ed/0x300 [ 1893.456463] ? arch_local_save_flags+0x40/0x40 [ 1893.461082] ? fsnotify_first_mark+0x350/0x350 [ 1893.465705] ? __fsnotify_parent+0xcc/0x420 [ 1893.470029] ? fsnotify+0x12f0/0x12f0 [ 1893.473834] __should_failslab+0x124/0x180 [ 1893.478106] should_failslab+0x9/0x14 [ 1893.481933] __kmalloc_track_caller+0x2d0/0x750 [ 1893.486614] ? strncpy_from_user+0x510/0x510 [ 1893.491021] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1893.496557] ? strndup_user+0x77/0xd0 [ 1893.500359] memdup_user+0x2c/0xa0 [ 1893.503914] strndup_user+0x77/0xd0 [ 1893.507547] ksys_mount+0x3c/0x140 [ 1893.511176] __x64_sys_mount+0xbe/0x150 [ 1893.515153] do_syscall_64+0x1b9/0x820 [ 1893.519083] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1893.524452] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1893.529382] ? trace_hardirqs_on_caller+0x310/0x310 [ 1893.534449] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1893.539468] ? recalc_sigpending_tsk+0x180/0x180 [ 1893.544228] ? kasan_check_write+0x14/0x20 [ 1893.548466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1893.553356] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1893.558550] RIP: 0033:0x457579 [ 1893.561795] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1893.580783] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1893.588503] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1893.595770] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1893.603034] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1893.610298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 03:09:57 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) syz_emit_ethernet(0xf5, &(0x7f0000000000)={@broadcast, @dev={[], 0xc}, [], {@ipx={0x8137, {0xffff, 0xe7, 0xd511, 0x4, {@current, @current, 0x20}, {@broadcast, @current, 0x3}, "57c82db81e874aea9c5b2a2717134985d77e42a91ca52d36877d482dabcf6d34cecdd9cbdf8bc8e866bf08a4ea090dfb122ea12a2060933abafff70c6d27697aadc8b6cb947c49da45799887d9d4b4c1baa10c50fa652f740aab24ab1c2594a2158fe3e3c5d9f2111ea1ead79beb3b85615a3972d2e7720b8a264c936d5c4c75d6d5dedb25dfb00d8caa2c190a91d933d3803c24f05972fa87f153f3b55a660a0adc081cb48275723c973ba27b892ff2600c89b0ebc9509ad9fd20299c3f34c3a870f3caeebc39914a"}}}}, &(0x7f0000000140)={0x0, 0x4, [0x53, 0x99a, 0xd49, 0x13f]}) 03:09:57 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1893.617569] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:09:57 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5ade000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1893.675847] FAT-fs (loop3): bogus number of reserved sectors [ 1893.692542] FAT-fs (loop3): Can't find a valid FAT filesystem 03:09:57 executing program 1: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x40, 0x0) ioctl$SCSI_IOCTL_STOP_UNIT(r0, 0x6) ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000040)={0x0, 0x1}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f00000000c0)={r1, 0x80000001, 0x0, 0xdf44, 0xffffffff7fffffff}, &(0x7f0000000140)=0x18) 03:09:57 executing program 5 (fault-call:6 fault-nth:1): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:57 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f00000000c0)=[{{&(0x7f0000000140)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x4e23, @loopback}, 0x3, 0x0, 0x3, 0x1}}, 0x0, &(0x7f0000001540)=[{&(0x7f0000001840)="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"}, {&(0x7f00000001c0)="dbadf73193ff8fbbec69924cff3a90029ceeeec5193df85a4c3bc6539522ded7558a1269ddb6b658c7bbb1ca281dc39e57c95a985e881e4cae63fa9d693c4991e6c2e940d898bedce7c0753eefd705954e18f9546f9c6869ee9dd1f46313b7a1691c4688fdd77676b15b59e55974a08a65ed88538d8aa3"}, {&(0x7f0000001280)="0474254e89e01d4707f1565470115ae8e896710a0bd9c523c4fa5c6e160d0f745a44bf587d62a40a3d31206d0d93ee18dc4b01fca0ae9d3ce60f63235db765fdfaac073ec76df48facf3a8a98572f7d72a80f61d55733f88815fe79410a2c1491aa57a0eac5c3ad24a7ec9de50dc1456c0433c305e522f241ec499f03b77d39b33368f0b3f34e3cff129d9d4fa77fb4289ab7d98d8d0c37a3820eeeef8a10ab07305b9b12d4f03b49f671ad142d1e3f10a3f6970833d089e6c"}, {&(0x7f0000001740)="a82db6461d44df0775c08d186095ad6d3930d1c1aae457854e39b6f17a62ecf3858d73dfb8a9768f14bf37e4d06c00f76566e6116b74249782d7665fd7b922888f2a1c910b98986ad9985f836a5327767db79cc0dd87a169bc7dfaabba2be65eb743883a274a3227c3fafab0f8852a6f5c19b8cf68b088994c915e9d320354c154d8295aae4065436795967e189d1fa8177614a59eb71b32192b5e5577fd3cc0f70969c11d90b40d955b94aee77ea989a88d161158dad1f2f38348a83606a666a330c983050120bb528299570475da174d124d2d17947c352229b6aa24d4db7a691aa386eef398cea2fa07717b028eafebb5ed29343e2f"}, {&(0x7f0000001340)="bdf1522eedcf6cee59dedffb78739cb28074f41d19bd97f33adb4276f47cf0b720e2ce571b0fe183a97d7f8d8b0cfd2ae6ad220e617caf71f6052cb7e30792b0ae25aaeaa9f8"}], 0x0, &(0x7f00000015c0)=[{0x0, 0x0, 0xffffffffffffff0b, "d8e156e6ce5b33b55c083061ba1bc9dc46c22b1a965d47c4eafba33fe4ec92c4a43a9e04fd79162237bd1213f305682292d94bb68ac4ccc4403bb6aea52630dbca380533834007b505cecc831fd2a528c210ad2f1919c306a51237736647ce52acd152f152588e9bbfe75b7f59a843ec"}, {0x0, 0x1ff, 0x9, "8e86da5673b3fa9249a6cf06fdc06af0be7f67679837ceb30f47d91ed243a317b9639dcc7e61ed60f2ce06e511ed42e18388d163969e51acff08ceae4cdb50b618086f1b0d3eac81451a211c2bd6c5cbd69f388e0d55346b8f6d11d28133b1d386120ca72c1587ddc53328fd2563dcc0a51fcd10fd5a1dba22690be568105696644e8cc4bcecc935a3acecce701a407676cd3440ab180597"}, {0x0, 0x108, 0xfffffffffffff320, "157793ecc57bb4cc1323b195b946d8864932ae7dbca6efa636f7f4f7e460056087f8c05c21ffe8634717a215855e48b86af554973e1bd9"}], 0x0, 0x40040}, 0x3}], 0x2c3, 0xfffffffffffffffe) [ 1893.718864] overlayfs: filesystem on './file0' not supported as upperdir 03:09:57 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:57 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x4000000}}, 0x24, 0x0) 03:09:57 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") getpeername(r0, &(0x7f0000000000)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @dev}}}, &(0x7f0000000080)=0x80) setsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f00000000c0)={0x0, 0x100000000, 0x8, 0x9, 0x100000001, 0x3f, 0x8, 0xd0f0, 0x1, 0x80, 0x7}, 0xb) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:09:57 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3700000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:09:57 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) socketpair(0xf, 0xf, 0x4, &(0x7f0000000080)={0xffffffffffffffff}) openat$cgroup_ro(r1, &(0x7f00000000c0)='memory.current\x00', 0x0, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) [ 1893.872012] FS-Cache: Duplicate cookie detected [ 1893.876819] FS-Cache: O-cookie c=00000000aca9001a [p=0000000059f7d46e fl=222 nc=0 na=1] [ 1893.885251] FS-Cache: O-cookie d=00000000f92b38dd n=00000000e9453a19 [ 1893.891767] FS-Cache: O-key=[10] '34323935313236353334' [ 1893.897415] FS-Cache: N-cookie c=0000000042d081e1 [p=0000000059f7d46e fl=2 nc=0 na=1] [ 1893.905442] FS-Cache: N-cookie d=00000000f92b38dd n=00000000c54e0dc6 [ 1893.911945] FS-Cache: N-key=[10] '34323935313236353334' 03:09:57 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:09:58 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) r1 = syz_open_dev$amidi(&(0x7f0000000000)='/dev/amidi#\x00', 0x9, 0x82000) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 03:09:58 executing program 0: write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1893.999271] FAT-fs (loop3): bogus number of reserved sectors [ 1894.006775] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1894.028834] FAULT_INJECTION: forcing a failure. [ 1894.028834] name failslab, interval 1, probability 0, space 0, times 0 [ 1894.093366] FAT-fs (loop3): bogus number of reserved sectors [ 1894.094033] CPU: 1 PID: 7385 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1894.106477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1894.115871] Call Trace: [ 1894.118226] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1894.118482] dump_stack+0x1c4/0x2b4 [ 1894.128003] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1894.133229] should_fail.cold.4+0xa/0x17 [ 1894.137314] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1894.142437] ? perf_trace_lock+0x7a0/0x7a0 [ 1894.146700] ? kasan_kmalloc+0xc7/0xe0 [ 1894.150612] ? __kmalloc_track_caller+0x14a/0x750 [ 1894.155474] ? memdup_user+0x2c/0xa0 [ 1894.159203] ? strndup_user+0x77/0xd0 [ 1894.163010] ? ksys_mount+0x3c/0x140 [ 1894.166724] ? __x64_sys_mount+0xbe/0x150 [ 1894.170888] ? do_syscall_64+0x1b9/0x820 [ 1894.174958] ? proc_fail_nth_write+0x9e/0x210 [ 1894.179494] ? kasan_check_read+0x11/0x20 [ 1894.183650] ? fs_reclaim_acquire+0x20/0x20 [ 1894.187974] ? lock_downgrade+0x900/0x900 [ 1894.192122] ? ___might_sleep+0x1ed/0x300 [ 1894.196271] ? arch_local_save_flags+0x40/0x40 [ 1894.200865] ? lock_release+0x970/0x970 [ 1894.204854] ? arch_local_save_flags+0x40/0x40 [ 1894.209482] ? usercopy_warn+0x110/0x110 [ 1894.214084] __should_failslab+0x124/0x180 [ 1894.218318] should_failslab+0x9/0x14 [ 1894.222117] kmem_cache_alloc_trace+0x2d7/0x750 [ 1894.226787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1894.232326] ? _copy_from_user+0xdf/0x150 [ 1894.236525] copy_mount_options+0x5f/0x380 [ 1894.240761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1894.246296] ksys_mount+0xd0/0x140 [ 1894.249894] __x64_sys_mount+0xbe/0x150 [ 1894.253886] do_syscall_64+0x1b9/0x820 [ 1894.257775] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1894.263139] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1894.268072] ? trace_hardirqs_on_caller+0x310/0x310 [ 1894.273128] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1894.278141] ? recalc_sigpending_tsk+0x180/0x180 [ 1894.282982] ? kasan_check_write+0x14/0x20 [ 1894.287220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1894.292064] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1894.297250] RIP: 0033:0x457579 [ 1894.300478] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1894.319379] RSP: 002b:00007f8fd78f9c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1894.327126] RAX: ffffffffffffffda RBX: 00007f8fd78f9c90 RCX: 0000000000457579 [ 1894.334429] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 03:09:58 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1894.341695] RBP: 000000000072bfa0 R08: 0000000020000740 R09: 0000000000000000 [ 1894.348977] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd78fa6d4 [ 1894.356241] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1894.365353] 9pnet: Insufficient options for proto=fd [ 1894.371227] overlayfs: filesystem on './file0' not supported as upperdir 03:09:58 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f64c2fc56904b1e1570") r1 = syz_open_dev$dspn(&(0x7f00000000c0)='/dev/dsp#\x00', 0x4c87fc5d, 0x1) syz_emit_ethernet(0x56, &(0x7f0000000180)={@broadcast, @random="e0b258e0b408", [], {@canfd={0xd, {{0x8b8, 0x9, 0x81, 0x81}, 0x6, 0x3, 0x0, 0x0, "79a24bf9201bf50ed0287ec1de0dc8f7427c29cc8d3abc32113dc3dced02026a1569f9a1cf7b53fcfb1af310325cc67abc4c2091c40760cff58f6f5824d3f8c2"}}}}, &(0x7f0000000200)={0x0, 0x4, [0x583, 0xcf, 0x7df, 0x943]}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000080)='GPL{em0vmnet1selinux\x00', r1}, 0x10) r2 = dup(r0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='GPL{em0vmnet1selinux\x00', r2}, 0x10) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r1, 0x4008240b, &(0x7f0000000300)={0x0, 0x70, 0x401, 0x6, 0x6, 0x3ff, 0x0, 0xfffffffffffffff8, 0x2000, 0x1, 0x3, 0x7ff, 0x0, 0x8, 0x7ff, 0x3, 0x7ff, 0x8, 0x3, 0x4, 0x4, 0x7ff, 0x100000000, 0x80000000, 0x7, 0x6, 0x1, 0x5, 0x0, 0x8000, 0x10001, 0x0, 0xffffffffffffe8d4, 0x6, 0x4, 0x9ccc, 0x7, 0x800, 0x0, 0x2be, 0x0, @perf_bp={&(0x7f0000000240)}, 0x32040, 0x7fff, 0x100000000, 0x7, 0x5, 0x20, 0x3}) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5008000090ee569c"], &(0x7f00000002c0)) [ 1894.392796] 9pnet: Insufficient options for proto=fd 03:09:58 executing program 5 (fault-call:6 fault-nth:2): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:58 executing program 0: write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:58 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xebffffff}}, 0x24, 0x0) 03:09:58 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1894.511925] 9pnet: Insufficient options for proto=fd 03:09:58 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x0, &(0x7f0000000300)=ANY=[], &(0x7f00000002c0)={0x1}) 03:09:58 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f00000000c0)={0x6, &(0x7f0000000080)=[{0x4, 0x2, 0xce0, 0x80000000}, {0x2, 0x0, 0x4, 0x8}, {0x2, 0x6, 0x6, 0x8}, {0x8, 0x4, 0x0, 0x8}, {0x9182, 0x7, 0x1f, 0x9}, {0x7ff, 0x7fffffff, 0x5, 0xffffffffffff7ca2}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1894.551837] 9pnet: Insufficient options for proto=fd 03:09:58 executing program 0: write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:58 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) socket$inet6_udplite(0xa, 0x2, 0x88) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1894.588560] FAT-fs (loop3): bogus number of reserved sectors [ 1894.618352] FAT-fs (loop3): Can't find a valid FAT filesystem 03:09:58 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3ede000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:09:58 executing program 1: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="2d7c8800000090ce16ee454d97b58dc28a2f000000742bf3b57639f0ce8f8055af7cb80a320f0071bce03f385408bb426ddcc3b158fe1a118291ce9644c6334fbbda3bf425b83245a1b988ead416036c587d8826d1fc4d682a65a319ba69fe4cb781e48f699bd3e652e8aaca8a9ae06997d208c3577410f99eae23ae914c56a598365cf619e1f9ea8fe081eacaf42d750ebee30b15617709"], &(0x7f00000002c0)) [ 1894.710699] 9pnet: Insufficient options for proto=fd [ 1894.734646] FAT-fs (loop3): bogus number of reserved sectors [ 1894.748202] 9pnet: Insufficient options for proto=fd [ 1894.749401] FAULT_INJECTION: forcing a failure. [ 1894.749401] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1894.765166] CPU: 1 PID: 7465 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1894.765177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1894.765182] Call Trace: [ 1894.765211] dump_stack+0x1c4/0x2b4 [ 1894.765229] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1894.765252] should_fail.cold.4+0xa/0x17 [ 1894.773203] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1894.781911] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1894.781930] ? is_bpf_text_address+0xac/0x170 [ 1894.781949] ? lock_downgrade+0x900/0x900 [ 1894.793455] overlayfs: filesystem on './file0' not supported as upperdir [ 1894.797405] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1894.797427] ? mark_held_locks+0x130/0x130 [ 1894.812908] ? mark_held_locks+0x130/0x130 [ 1894.812933] ? is_bpf_text_address+0xd3/0x170 [ 1894.812948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1894.812967] ? check_preemption_disabled+0x48/0x200 [ 1894.823957] ? debug_smp_processor_id+0x1c/0x20 [ 1894.823972] ? perf_trace_lock_acquire+0x15b/0x800 [ 1894.823990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1894.868348] ? should_fail+0x22d/0xd01 [ 1894.872238] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1894.877346] __alloc_pages_nodemask+0x34b/0xde0 [ 1894.882022] ? __kmalloc_track_caller+0x14a/0x750 [ 1894.886860] ? memdup_user+0x2c/0xa0 [ 1894.890570] ? strndup_user+0x77/0xd0 [ 1894.894367] ? ksys_mount+0x3c/0x140 [ 1894.898121] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1894.903136] ? kasan_check_read+0x11/0x20 [ 1894.907290] ? fs_reclaim_acquire+0x20/0x20 [ 1894.911611] ? lock_downgrade+0x900/0x900 [ 1894.915764] ? ___might_sleep+0x1ed/0x300 [ 1894.919928] ? trace_hardirqs_off+0xb8/0x310 [ 1894.924336] cache_grow_begin+0x91/0x8c0 [ 1894.928397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1894.934020] ? check_preemption_disabled+0x48/0x200 [ 1894.939078] kmem_cache_alloc_trace+0x67e/0x750 [ 1894.943747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1894.949307] copy_mount_options+0x5f/0x380 [ 1894.953540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1894.959080] ksys_mount+0xd0/0x140 [ 1894.962621] __x64_sys_mount+0xbe/0x150 [ 1894.966597] do_syscall_64+0x1b9/0x820 [ 1894.970483] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1894.975858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1894.980812] ? trace_hardirqs_on_caller+0x310/0x310 [ 1894.985832] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1894.990852] ? recalc_sigpending_tsk+0x180/0x180 [ 1894.995605] ? kasan_check_write+0x14/0x20 [ 1894.999889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1895.004739] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1895.009988] RIP: 0033:0x457579 [ 1895.013183] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 03:09:58 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1895.032085] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1895.039810] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1895.047518] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1895.054814] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1895.062121] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1895.069391] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:09:59 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4cde000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:09:59 executing program 5 (fault-call:6 fault-nth:3): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:59 executing program 1: r0 = socket$inet6(0xa, 0x12, 0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:09:59 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x8001a0ffffffff}}, 0x24, 0x0) 03:09:59 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:59 executing program 1: ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f00000000c0)=0x0) r1 = dup3(0xffffffffffffff9c, 0xffffffffffffffff, 0x80000) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x6, 0x7, 0x4, 0x6, 0x0, 0x7, 0x80000, 0x8, 0x9, 0x2, 0x8, 0x2, 0x401, 0x1ff, 0x9, 0x0, 0x7, 0x1, 0x1000, 0xffffffff80000000, 0x4, 0xee1, 0x2, 0x6, 0xab6, 0x4d4, 0x7fff, 0x26b32b8f, 0x100000001, 0x9, 0xe695, 0x2000000000000, 0x400, 0x7fffffff, 0x7fffffff, 0xfffffffffffffffb, 0x0, 0x80, 0x2, @perf_config_ext={0xffffffff, 0x8001}, 0x440, 0x8, 0x4, 0x4, 0x5, 0xa1, 0xdbc}, r0, 0x10, r1, 0x8) r3 = socket$inet6(0xa, 0x801, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) setsockopt$inet_sctp_SCTP_MAX_BURST(r3, 0x84, 0x14, &(0x7f0000000000)=@int=0x4, 0x4) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000300)={0x0, 0x7, 0x5}, &(0x7f0000000340)=0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f0000000380)={r4, @in={{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x17}}}, 0x100000000, 0x8, 0xa89, 0x0, 0x5}, &(0x7f0000000440)=0x98) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r1, 0x80045400, &(0x7f0000000240)) write(r3, &(0x7f0000000140)="a88e49bd92ceccdb51ecda6c1a1021ad5e0e06a18ddf7ac6829d20cf1d2de59a4757c25d016a813dbff43f0090f0b51402ade881dade67a7db76457802be82f45dfcccdda3f41f079d8b6a132a4b0641d71f7e8bc65d14f9acf3429c961ea41cca036b5044a76afb10f08ee79b2e4aa395a2f1b870c7e0cf32bf451fe7fc319a9aa3eaeaf3d5a2886780875aa890807d7f328897ee916d9c00d9aab741cf3b95222091af5507c3803b125f639995941e814a80548d98a649dd4df679b66a861ed09a51f9bcc727438405d55cc73161dbadea0660c1f13b564f206f", 0xdb) 03:09:59 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x50de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1895.255501] FAULT_INJECTION: forcing a failure. [ 1895.255501] name failslab, interval 1, probability 0, space 0, times 0 [ 1895.281856] CPU: 0 PID: 7486 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1895.289125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1895.298497] Call Trace: [ 1895.301124] dump_stack+0x1c4/0x2b4 03:09:59 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="14d93af149000000000000000000000000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1895.304817] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1895.310051] should_fail.cold.4+0xa/0x17 [ 1895.314149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1895.319282] ? lock_downgrade+0x900/0x900 [ 1895.323456] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1895.323471] ? kasan_check_read+0x11/0x20 [ 1895.323486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1895.323499] ? rcu_bh_qs+0xc0/0xc0 [ 1895.323521] ? fs_reclaim_acquire+0x20/0x20 [ 1895.323542] ? lock_downgrade+0x900/0x900 [ 1895.333557] ? ___might_sleep+0x1ed/0x300 [ 1895.333576] ? arch_local_save_flags+0x40/0x40 [ 1895.342404] __should_failslab+0x124/0x180 [ 1895.342418] should_failslab+0x9/0x14 [ 1895.342432] kmem_cache_alloc+0x2be/0x730 [ 1895.342454] ? kasan_check_read+0x11/0x20 [ 1895.375941] getname_flags+0xd0/0x5a0 [ 1895.379834] user_path_at_empty+0x2d/0x50 [ 1895.383989] do_mount+0x177/0x31f0 [ 1895.387532] ? kasan_check_read+0x11/0x20 [ 1895.391697] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1895.396251] ? copy_mount_string+0x40/0x40 [ 1895.400489] ? kasan_check_write+0x14/0x20 [ 1895.404744] ? copy_mount_options+0x5f/0x380 [ 1895.409319] ? kasan_unpoison_shadow+0x35/0x50 [ 1895.413963] ? kasan_kmalloc+0xc7/0xe0 [ 1895.417859] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1895.422706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1895.428278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1895.433885] ? copy_mount_options+0x288/0x380 [ 1895.438449] ksys_mount+0x12d/0x140 [ 1895.442117] __x64_sys_mount+0xbe/0x150 [ 1895.446143] do_syscall_64+0x1b9/0x820 [ 1895.450032] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1895.455399] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1895.460343] ? trace_hardirqs_on_caller+0x310/0x310 [ 1895.465373] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1895.470390] ? recalc_sigpending_tsk+0x180/0x180 [ 1895.475153] ? kasan_check_write+0x14/0x20 [ 1895.479393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1895.484251] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1895.489486] RIP: 0033:0x457579 03:09:59 executing program 5 (fault-call:6 fault-nth:4): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1895.492755] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1895.511699] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1895.519479] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1895.526776] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1895.534055] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1895.541322] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1895.548636] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:09:59 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(0xffffffffffffffff, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:09:59 executing program 1: r0 = socket$inet6(0xa, 0x80003, 0xffffffffffffffff) ioctl(r0, 0x8912, &(0x7f0000000080)="153f6234488dd25d766070") r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x200040, 0x0) ioctl$IOC_PR_PREEMPT(r1, 0x401870cb, &(0x7f0000000040)={0x3a, 0x6, 0x1d0}) recvmmsg(r0, &(0x7f0000000b40)=[{{&(0x7f00000000c0)=@alg, 0x80, &(0x7f0000000200)=[{&(0x7f0000000140)=""/166, 0xa6}], 0x1, &(0x7f0000000240)=""/236, 0xec, 0x10000}, 0x7fff}, {{0x0, 0x0, &(0x7f0000000880)=[{&(0x7f0000000340)=""/85, 0x55}, {&(0x7f00000003c0)=""/111, 0x6f}, {&(0x7f0000000440)}, {&(0x7f0000000480)=""/113, 0x71}, {&(0x7f0000000500)=""/46, 0x2e}, {&(0x7f0000000540)=""/90, 0x5a}, {&(0x7f00000005c0)=""/173, 0xad}, {&(0x7f0000000680)=""/220, 0xdc}, {&(0x7f0000000780)=""/236, 0xec}], 0x9, &(0x7f0000000940)=""/22, 0x16, 0xec}, 0x1}, {{0x0, 0x0, &(0x7f0000000a80)=[{&(0x7f0000000980)=""/220, 0xdc}], 0x1, &(0x7f0000000ac0)=""/89, 0x59, 0x9}, 0xfffffffffffff4cc}], 0x3, 0x122, 0x0) [ 1895.667328] FAULT_INJECTION: forcing a failure. [ 1895.667328] name failslab, interval 1, probability 0, space 0, times 0 [ 1895.704895] FAT-fs (loop3): bogus number of reserved sectors [ 1895.710991] CPU: 1 PID: 7505 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1895.718196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1895.727574] Call Trace: [ 1895.730189] dump_stack+0x1c4/0x2b4 [ 1895.733853] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1895.739096] should_fail.cold.4+0xa/0x17 [ 1895.743754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1895.748891] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1895.754739] ? kasan_check_read+0x11/0x20 [ 1895.758917] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1895.764214] ? rcu_bh_qs+0xc0/0xc0 [ 1895.767780] ? unwind_dump+0x190/0x190 [ 1895.771767] ? is_bpf_text_address+0xd3/0x170 [ 1895.776284] ? kernel_text_address+0x79/0xf0 [ 1895.780746] ? __kernel_text_address+0xd/0x40 [ 1895.785272] ? unwind_get_return_address+0x61/0xa0 [ 1895.790232] ? fs_reclaim_acquire+0x20/0x20 [ 1895.794618] ? lock_downgrade+0x900/0x900 [ 1895.798830] ? ___might_sleep+0x1ed/0x300 [ 1895.802991] ? arch_local_save_flags+0x40/0x40 [ 1895.807579] ? save_stack+0x43/0xd0 [ 1895.811202] ? __kasan_slab_free+0x102/0x150 [ 1895.815634] ? kasan_slab_free+0xe/0x10 [ 1895.819607] ? kmem_cache_free+0x83/0x290 [ 1895.823768] ? user_path_at_empty+0x40/0x50 [ 1895.828123] ? do_mount+0x177/0x31f0 [ 1895.831840] __should_failslab+0x124/0x180 [ 1895.836077] should_failslab+0x9/0x14 [ 1895.839878] kmem_cache_alloc+0x2be/0x730 [ 1895.844033] ? debug_smp_processor_id+0x1c/0x20 [ 1895.848724] ? perf_trace_lock_acquire+0x15b/0x800 [ 1895.853718] alloc_vfsmnt+0xe9/0x990 [ 1895.857432] ? m_stop+0x20/0x20 [ 1895.860728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1895.866304] ? check_preemption_disabled+0x48/0x200 [ 1895.871319] ? trace_hardirqs_on+0xbd/0x310 [ 1895.875638] ? putname+0xf2/0x130 [ 1895.879094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1895.884547] ? __kasan_slab_free+0x119/0x150 [ 1895.888955] ? putname+0xf2/0x130 [ 1895.892406] ? kmem_cache_free+0x21a/0x290 [ 1895.896645] ? __get_fs_type+0x97/0xc0 [ 1895.900533] ? lock_downgrade+0x900/0x900 [ 1895.904700] ? lock_release+0x970/0x970 [ 1895.908693] ? digsig_verify+0x1530/0x1530 [ 1895.912936] vfs_kern_mount.part.35+0x90/0x4f0 [ 1895.917517] ? may_umount+0xb0/0xb0 [ 1895.921141] ? _raw_read_unlock+0x2c/0x50 [ 1895.925291] ? __get_fs_type+0x97/0xc0 [ 1895.929178] do_mount+0x581/0x31f0 [ 1895.932732] ? copy_mount_string+0x40/0x40 [ 1895.937012] ? retint_kernel+0x2d/0x2d [ 1895.940902] ? copy_mount_options+0x214/0x380 [ 1895.945442] ? write_comp_data+0x1/0x70 [ 1895.949450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1895.955024] ? copy_mount_options+0x288/0x380 [ 1895.959524] ksys_mount+0x12d/0x140 [ 1895.963189] __x64_sys_mount+0xbe/0x150 [ 1895.967168] do_syscall_64+0x1b9/0x820 [ 1895.971054] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1895.976421] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1895.981352] ? trace_hardirqs_on_caller+0x310/0x310 [ 1895.986371] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1895.991388] ? recalc_sigpending_tsk+0x180/0x180 [ 1895.996149] ? kasan_check_write+0x14/0x20 [ 1896.000399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1896.005334] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1896.010522] RIP: 0033:0x457579 [ 1896.013724] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1896.032621] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1896.040335] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1896.047602] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1896.054871] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1896.062135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 03:09:59 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x2, 0x1) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:10:00 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde7b}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:10:00 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1896.069440] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:10:00 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1896.112861] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1896.138504] 9pnet: Insufficient options for proto=fd [ 1896.180138] 9pnet: Insufficient options for proto=fd [ 1896.193572] FAT-fs (loop3): bogus number of reserved sectors [ 1896.217056] FAT-fs (loop3): Can't find a valid FAT filesystem 03:10:00 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x8cffffff}}, 0x24, 0x0) 03:10:00 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r2, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000000000000000000000bfa62dfe9c3a1832d91f417c4549215e00000000000000"], 0x14}}, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000080)=0x0) r4 = gettid() r5 = openat$vhci(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vhci\x00', 0x100, 0x0) kcmp$KCMP_EPOLL_TFD(r3, r4, 0x7, r0, &(0x7f0000000140)={r5, r0, 0x40}) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x5}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:10:00 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:00 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4dde0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:10:00 executing program 1: r0 = socket$inet6(0xa, 0x2000, 0x0) ioctl(r0, 0x7, &(0x7f0000000140)="1f5362c0486f241055b7d20b954fdbfea3be4a49c73e0be82bea38c289c543f7e5435fd74eee3e21b50f949924784e160a8ca7a1d004ea0324b7eff474bcfdae3033ab76d469ffe5f516bf8cf9feb4ec8b567868c8edc9636b14d899a3566e81a7171a6cb5a866ff80494da5ce96417ed6f99dc8697f08e6804ffdd37787cd984f36de020d2f09d2589e5d4ca5f2203ad761de7bc7036e602b331676e0948da7b8d2321fa6e2ff0e5c20774328c9f10dbc96b6955a18be09ba74837ffe0377e2fcd7dc282cd5784cdb8063cfaba3e01700270515940bffae66167eb1cd22d2") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:10:00 executing program 5 (fault-call:6 fault-nth:5): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1896.263910] overlayfs: filesystem on './file0' not supported as upperdir 03:10:00 executing program 2: lsetxattr$trusted_overlay_redirect(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='trusted.overlay.redirect\x00', &(0x7f0000000140)='./file0\x00', 0x8, 0x1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB='\x00\x00\x00\x00'], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffff9c, 0x0, 0x11, &(0x7f00000048c0)={{{@in6=@dev, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in=@dev}}, &(0x7f00000049c0)=0xe8) sendmmsg(r0, &(0x7f0000006bc0)=[{{&(0x7f0000000180)=@nl=@kern={0x10, 0x0, 0x0, 0x800000}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000280)="71b846311c62445e165946e7e36bdeab9e81da0e4534609101b882c629b2a997ce037fa4ea4bfcd767075628c3d5f1e7f583ab00de588d5f1728a938b2d0ce41490bdfc602c7ff3c2a9a76a12b76e28851f193dfc872e0260d9d70b8df69c524f204326a7f9c14bbf001f831f2416b706f5a58f4c2093f1cdebe1a00327be3585dad4b76920f50d5754da056166c5bab824115dfee65cc0245e5914a1e507e41dd2ca59fa3e91897029935197ac8dc08716050158a93a9b58b07c7640906b79f0b0961fce00eaa7605f07c32df45c1616d17fb786992b7a5b5bcf673af16e7478ca8d1b85527ae3811c4c3", 0xeb}, {&(0x7f0000000380)="33459eec1503ec632ecefebe5d385f28a8b9f85e08bcc54b47de83ac2816bfc26973cd43b90e3323e9b39ad3f465f9b895ec2fa42c3b997b6b4e4ef105617c1d349bee98c7daebb9709fa18c2db1d066d87d2363c5c5dfddd4a052238b94adb7503f6869b3e7639c809cf066c2b137954c4cb3c6bdf06a0fe3a7dbbdcd347e03e1f36a6dfec092aead91f9ada0d4825c26923631", 0x94}, {&(0x7f0000000440)="cb885d112eaa51c15fc34e4b2d133b8bc3a57f4d4a68b2f4c29b5cffdbdabc3ffba9064b018611582e7ba6bedc7a266b2abca4b38fa31d6a4493d8d6a30851534edb60e53e9df1b6a5dc94b0591475390c96ca398fb00f22524d", 0x5a}, {&(0x7f0000000200)="4c33009ecf", 0x5}], 0x4, &(0x7f0000000500)=[{0xf0, 0x0, 0x2, "801230ed7f7520d93d00ad49c256c91edf62a1fa84af42b80875baf2ef7d87e62573c697faffebe85220672f7d30e5588eaefaca91aae982689899e720159485e0a9046cfc82360022e4b15399d9fc131e6e466b8e49b4eafc60b4953be738d76c43a88f13b567a9dc0452a3c1f7ae9bcf4aa7fa96f5364da61d1541ebcd8dd40224cba1e55f5e84f7e7289baff7ea12e80c8f8614994fd563aa74431c16e131093ce72a9f85ba665d2290a10d5a2bf415028bffcf1ac3eb9328d74aed4e92bba22e1f22b7a3bbba667b1e526dabf146f9c380e6ada5abc0955ed5b5"}, {0x10, 0x1, 0x100000000}, {0xe0, 0x0, 0x9, "a68489e20b17d9e5c67c7efdcfc0e1e43a99cca11562afe791b7a969e08eb82b80692bc7ef18aa395405dcb5ba23a6dea9730b57858b77a7c10e2d5afdf8de84c6331d3d9cea7b1ec897e2c89c942b5dc120659f7f4ea05c327e80e174c8e74dda08583d7dc045e9e2b718f6f185ef00ff819c15694da6ec4925086e8d99f0f59db78b8713bfde7d689f6dc57005b1bdcef2335a9569ea9c475eb201718ffac96e7e8f19f0d664bf00141cc38a48bec5fda27c2f27a0c701a6c982f1677fdca711e710887cc2104e141472d009770e"}], 0x1e0, 0x8804}, 0x9}, {{0x0, 0x0, &(0x7f0000000a80)=[{&(0x7f0000000700)="25b212c6fe7471f039695d11bddba9b1d9a87012df5a467f43f28568ec345c12f297e4f07ce8c952002f30e8496854375b6929092f55808cda8817dafdab9b9d233643d3ec16e9c03fc0325028bc08df96aa26cf7b7fbbc8a49898b58c5e2cf831f74e6c3cc429685d67eac10a560d53bdd3c9e7762c9b8a401ae56194a1e05f5e60f0", 0x83}, {&(0x7f00000007c0)="c107885a80e3f4ffa568600af5d7b29d9982ea9000db4cbaa4cf63a1", 0x1c}, {&(0x7f0000000800)="ab05af620417f7eb147f1569634f8586ffa8319ed0ceeaf6565e3f6cc8bdc5057eec5235e146d2170615db7273ea8b9b27d787a4b267b59d865cdc34440d0b78db8bc3615b5fbed9a05748eab976233de46bed5366b834c8b812de5dffac191d26838392376a60f28b880ea7f054f7265cf868d761050c08a8ed92bd692e84ab2f30a92ab836a17ece66664ed9c18375364f267491d03e42745c6a39e668f924f24113b4b2d305298f663ecc4259fa76a7d14f3c5d12a0fb190301a21691d375263f51277a", 0xc5}, {&(0x7f0000000900)="baf6f854c461088b3c03f8d5f66525030626b3d847b5d5ff50116206be18b52275861af82b0105456c0353bf31c36171ad2a25d28bd2e5ef5dd7ed87c746bbfef3994d426ff802ad3c53c7bd905e14f0ca98454887a0eb70011d70c981996b7e21b31f60d2683d13a6db1ed1b6c2ba9bff53efe3cab0674be110ba3ebca8593b8d875c5ed05a77591fc8d4e869c9ed58ca95f50076418ae31c62d48cc02c28397976e0d1905a418207c2cbe24439dbf0ec55f68c370a44cd8a1cf97df4258f55c66deb34399856257330d673ada99e215b75774d5f613e468685633be661dab55187b41cbc0e58", 0xe7}, {&(0x7f0000000a00)="643d29d6d1b834138cf0de09576ee7980ab9996fd07ca5cadcaa1328702ebca68344ace33acf44cce88f38b5ddf1548e032706deaf8d583d821d0250e52a7fdceceb1e991660bd13a9513bfeed1c2f2d4313f182eb1d7a8dc0d0f85b4d64ab257b86207cd21a2a", 0x67}], 0x5, &(0x7f0000000b00)=[{0x110, 0x102, 0x345e, "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"}], 0x110, 0x44}, 0x5}, {{&(0x7f0000000c40)=@alg={0x26, 'hash\x00', 0x0, 0x0, 'crct10dif-generic\x00'}, 0x80, &(0x7f0000001080)=[{&(0x7f0000000cc0)="f69dcee76e68296e931ca46305a39379793d8256fb925d286d943cb30b65e467393fccbd92c0dcd2ecc290fb96e9ad2d9e5af6dd9f5b76268cbb3713527f9a1d2886f93b6cc9a6fd17823dc6284432b719b511cb69069a8d2bae6ee4b35035f5ab931ade0e877c5f507d543fe44f9e0e01738ab99e2ffa8520fbfbbfc34ed56ea3d6724d66bc85860099f61c54a30aa700760d0a5832417e683ed5847ab5b337cef18889a3bad060ce64914efb3ee6556c", 0xb1}, {&(0x7f0000000d80)="bc48d035d97de5196fbd7eacf779238f03b19aa4b7e9f6d2f973ab9ede3377de2a7640d0d1bb7490dcf6b954ecbd", 0x2e}, 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"fcc37bb9ae1de24183a95cb0c994a00e3fcaacee68f9e7c707b437a1d1b4bcdc27511a192dd4bcbf11c8f2e72637004e43785233e329854b40229edbf7b69811c820dfe6b53e0dc2ea9a196537b71bf52ac729a0e61ed1a6d484fd6a51a6455b27507af07706ed3b98b6ca40d08070e2b124d7e46d45a7d12a4974d4be13ca3fda61509c2582228664e72ce6590049b0acacfd3a4ede62e18ef0290afcdf65f9513b"}, {0xe0, 0x11f, 0x0, "55324a5220065c0e57ab5a3765c23c5fb372f1110652e9cc579b6d049c3836cdec99fd41412831b3bd0da1e78447cd20facfc4c92ae59e2c80d6066e7140620b8b9f0f2b1c558a244bcaa13957b3545523b89e08133b5b279c5130bce85fceb31ab44309cff1d4baf21b4c2d30a7fcea2918c20788f559e10cf716592613aa5c233fec4dc761a6f967ebbd938615defd30397aad1cdd203211e6fcb8ab0577ae1f83ddf1c98bd506bf268c30edba0c1fb5401b46c3bb850090f9288c0547ba0691c42174172bbcf38afc2d626139"}], 0x200, 0x10}, 0x6}], 0x7, 0x0) sendto(r0, &(0x7f0000002440)="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", 0x113d, 0x4008005, 0x0, 0x2e2) [ 1896.331770] 9pnet: Insufficient options for proto=fd [ 1896.345493] FAULT_INJECTION: forcing a failure. [ 1896.345493] name failslab, interval 1, probability 0, space 0, times 0 [ 1896.402511] CPU: 1 PID: 7543 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1896.402525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1896.419216] Call Trace: [ 1896.419243] dump_stack+0x1c4/0x2b4 [ 1896.419264] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1896.419289] should_fail.cold.4+0xa/0x17 [ 1896.434762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1896.434783] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1896.445690] ? kasan_check_read+0x11/0x20 [ 1896.445707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1896.445724] ? check_preemption_disabled+0x48/0x200 [ 1896.445742] ? rcu_bh_qs+0xc0/0xc0 [ 1896.460454] ? debug_smp_processor_id+0x1c/0x20 [ 1896.468702] ? perf_trace_lock_acquire+0x15b/0x800 [ 1896.473683] ? is_bpf_text_address+0xd3/0x170 [ 1896.478219] ? fs_reclaim_acquire+0x20/0x20 [ 1896.482652] ? lock_downgrade+0x900/0x900 [ 1896.486835] ? ___might_sleep+0x1ed/0x300 [ 1896.491018] ? arch_local_save_flags+0x40/0x40 [ 1896.495615] ? save_stack+0x43/0xd0 [ 1896.495650] ? __kasan_slab_free+0x102/0x150 [ 1896.495668] ? kasan_slab_free+0xe/0x10 [ 1896.503703] ? kmem_cache_free+0x83/0x290 [ 1896.503721] ? user_path_at_empty+0x40/0x50 [ 1896.503731] ? do_mount+0x177/0x31f0 [ 1896.503747] __should_failslab+0x124/0x180 [ 1896.503764] should_failslab+0x9/0x14 [ 1896.513600] FAT-fs (loop3): bogus number of reserved sectors [ 1896.516202] kmem_cache_alloc+0x2be/0x730 [ 1896.516219] ? debug_smp_processor_id+0x1c/0x20 [ 1896.516238] ? perf_trace_lock_acquire+0x15b/0x800 [ 1896.522265] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1896.524198] alloc_vfsmnt+0xe9/0x990 [ 1896.524216] ? m_stop+0x20/0x20 [ 1896.524237] ? do_raw_spin_lock+0xc1/0x200 [ 1896.564638] ? trace_hardirqs_on+0xbd/0x310 [ 1896.568960] ? putname+0xf2/0x130 [ 1896.572412] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1896.577906] ? __kasan_slab_free+0x119/0x150 [ 1896.582356] ? putname+0xf2/0x130 [ 1896.585809] ? kmem_cache_free+0x21a/0x290 [ 1896.590048] ? __get_fs_type+0x97/0xc0 [ 1896.593934] ? lock_downgrade+0x900/0x900 [ 1896.598082] ? lock_release+0x970/0x970 [ 1896.602059] ? digsig_verify+0x1530/0x1530 [ 1896.606299] vfs_kern_mount.part.35+0x90/0x4f0 [ 1896.610919] ? may_umount+0xb0/0xb0 [ 1896.614547] ? _raw_read_unlock+0x2c/0x50 [ 1896.618731] ? __get_fs_type+0x97/0xc0 [ 1896.622638] do_mount+0x581/0x31f0 [ 1896.626179] ? trace_hardirqs_off+0x310/0x310 [ 1896.630681] ? retint_kernel+0x1b/0x2d [ 1896.634568] ? copy_mount_string+0x40/0x40 [ 1896.638805] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1896.643565] ? trace_hardirqs_off+0xaf/0x310 [ 1896.647971] ? retint_kernel+0x2d/0x2d [ 1896.651869] ? copy_mount_options+0x20f/0x380 [ 1896.656365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1896.661907] ? copy_mount_options+0x288/0x380 [ 1896.666404] ksys_mount+0x12d/0x140 [ 1896.670031] __x64_sys_mount+0xbe/0x150 [ 1896.674007] do_syscall_64+0x1b9/0x820 [ 1896.677891] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1896.683255] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1896.688223] ? trace_hardirqs_on_caller+0x310/0x310 [ 1896.693239] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1896.698252] ? recalc_sigpending_tsk+0x180/0x180 [ 1896.703007] ? kasan_check_write+0x14/0x20 [ 1896.707244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1896.712138] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1896.717365] RIP: 0033:0x457579 [ 1896.720557] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1896.739515] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 03:10:00 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8, &(0x7f0000000000)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:10:00 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:00 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) r1 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x3f, 0x2) ioctl$DRM_IOCTL_AGP_INFO(r1, 0x80386433, &(0x7f0000000300)=""/4096) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x12000, 0x0) ioctl$sock_inet_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000040)) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) [ 1896.747263] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1896.754532] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1896.761837] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1896.769146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1896.776456] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1896.838527] 9pnet: Insufficient options for proto=fd 03:10:00 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x62de}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:10:00 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="1400000000000000071000000000000000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1896.866415] overlayfs: filesystem on './file0' not supported as upperdir [ 1896.884715] FAT-fs (loop3): bogus number of reserved sectors 03:10:00 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x40000}}, 0x24, 0x0) [ 1896.942015] FAT-fs (loop3): Can't find a valid FAT filesystem 03:10:00 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r2 = getegid() getgroups(0x2, &(0x7f00000000c0)=[r1, r2]) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000180)=ANY=[@ANYBLOB="5000010090ce569cec0c523a5736e70f6043ee8259ecccbc4976145bee4ba601d510497a7f3105ed076d55aa939c22eb3da177930ad7cb4fd2aed81083b2374d9bd699c00900000000000000ac1393"], &(0x7f00000002c0)) 03:10:00 executing program 5 (fault-call:6 fault-nth:6): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:00 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:00 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:10:01 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) getsockopt$inet_sctp6_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000000), &(0x7f0000000040)=0x4) r1 = syz_open_dev$midi(&(0x7f0000000080)='/dev/midi#\x00', 0x65d, 0xa05c3) ioctl$SCSI_IOCTL_SYNC(r1, 0x4) 03:10:01 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9400}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1897.046619] FAULT_INJECTION: forcing a failure. [ 1897.046619] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1897.056520] 9pnet: Insufficient options for proto=fd [ 1897.123695] CPU: 1 PID: 7592 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1897.130934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1897.140307] Call Trace: [ 1897.140355] 9pnet: Insufficient options for proto=fd [ 1897.142920] dump_stack+0x1c4/0x2b4 [ 1897.142942] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1897.142961] ? debug_smp_processor_id+0x1c/0x20 [ 1897.142981] ? perf_trace_lock_acquire+0x15b/0x800 [ 1897.166539] should_fail.cold.4+0xa/0x17 [ 1897.170654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1897.175790] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1897.180844] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1897.185895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1897.191454] ? should_fail+0x22d/0xd01 [ 1897.195368] ? perf_trace_lock+0x7a0/0x7a0 [ 1897.199627] ? cpumask_next+0x41/0x50 [ 1897.203456] ? fs_reclaim_acquire+0x20/0x20 [ 1897.207797] ? lock_downgrade+0x900/0x900 [ 1897.211975] ? ___might_sleep+0x1ed/0x300 [ 1897.216142] ? lock_release+0x970/0x970 [ 1897.220149] ? arch_local_save_flags+0x40/0x40 [ 1897.224764] ? fs_reclaim_acquire+0x20/0x20 [ 1897.229122] ? __might_sleep+0x95/0x190 [ 1897.233124] __alloc_pages_nodemask+0x34b/0xde0 [ 1897.237820] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1897.242873] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 1897.247752] ? trace_hardirqs_on+0xbd/0x310 [ 1897.252101] ? putname+0xf2/0x130 [ 1897.255608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1897.261108] ? __kasan_slab_free+0x119/0x150 [ 1897.265545] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1897.271139] alloc_pages_current+0x10c/0x210 [ 1897.275599] get_zeroed_page+0x14/0x50 [ 1897.279512] smack_sb_copy_data+0x2b/0x2d0 [ 1897.283802] security_sb_copy_data+0x54/0xb0 [ 1897.288243] mount_fs+0x234/0x31d [ 1897.291731] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1897.296336] ? may_umount+0xb0/0xb0 [ 1897.300043] ? _raw_read_unlock+0x2c/0x50 [ 1897.304223] ? __get_fs_type+0x97/0xc0 [ 1897.308141] do_mount+0x581/0x31f0 [ 1897.308163] ? kasan_check_read+0x11/0x20 [ 1897.315864] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1897.320296] ? copy_mount_string+0x40/0x40 [ 1897.320309] ? kasan_check_write+0x14/0x20 [ 1897.320326] ? kasan_unpoison_shadow+0x35/0x50 [ 1897.328923] ? kasan_kmalloc+0xc7/0xe0 [ 1897.328947] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1897.328969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1897.337460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1897.337475] ? copy_mount_options+0x288/0x380 [ 1897.337494] ksys_mount+0x12d/0x140 [ 1897.347921] __x64_sys_mount+0xbe/0x150 [ 1897.347939] do_syscall_64+0x1b9/0x820 [ 1897.347959] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe 03:10:01 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:01 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:01 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:01 executing program 1: r0 = syz_open_dev$dspn(&(0x7f0000000040)='/dev/dsp#\x00', 0x5, 0x0) ioctl$EVIOCGABS0(r0, 0x80184540, &(0x7f00000000c0)=""/234) r1 = socket$inet6(0xa, 0x801, 0x0) r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x40) getsockopt$IP_VS_SO_GET_INFO(r2, 0x0, 0x481, &(0x7f0000000200), &(0x7f0000000240)=0xc) ioctl(r1, 0x7, &(0x7f0000000000)="153f6234488dd25d766070") syz_emit_ethernet(0x0, &(0x7f0000000100)=ANY=[], &(0x7f0000000080)={0x0, 0x2, [0x0, 0x7, 0x3be]}) 03:10:01 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(0xffffffffffffffff, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d000000000000000000000000000000"], 0x20) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1897.358015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1897.358034] ? trace_hardirqs_on_caller+0x310/0x310 [ 1897.358046] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1897.358066] ? recalc_sigpending_tsk+0x180/0x180 [ 1897.365706] ? kasan_check_write+0x14/0x20 [ 1897.365726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1897.365749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1897.365762] RIP: 0033:0x457579 [ 1897.365777] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1897.365789] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 [ 1897.375020] ORIG_RAX: 00000000000000a5 [ 1897.375028] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1897.375036] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1897.375045] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1897.375054] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1897.375062] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1897.454763] FAT-fs (loop3): bogus number of reserved sectors [ 1897.463822] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1897.531772] FAT-fs (loop3): bogus number of reserved sectors [ 1897.541475] FAT-fs (loop3): Can't find a valid FAT filesystem 03:10:01 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x10}}, 0x24, 0x0) 03:10:01 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) clock_settime(0x0, &(0x7f0000000000)={0x77359400}) socket$nl_generic(0x10, 0x3, 0x10) 03:10:01 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:10:01 executing program 5 (fault-call:6 fault-nth:7): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1897.629699] FAULT_INJECTION: forcing a failure. [ 1897.629699] name failslab, interval 1, probability 0, space 0, times 0 [ 1897.648793] CPU: 0 PID: 7642 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1897.656024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1897.665391] Call Trace: [ 1897.668010] dump_stack+0x1c4/0x2b4 [ 1897.671670] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1897.676938] should_fail.cold.4+0xa/0x17 [ 1897.681008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1897.686119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1897.691578] ? fs_reclaim_acquire+0x20/0x20 [ 1897.695959] ? mark_free_pages+0x3c0/0x3c0 [ 1897.700220] ? fs_reclaim_acquire+0x20/0x20 [ 1897.704565] ? lock_downgrade+0x900/0x900 [ 1897.708718] ? ___might_sleep+0x1ed/0x300 [ 1897.712868] ? arch_local_save_flags+0x40/0x40 [ 1897.717493] ? putname+0xf2/0x130 [ 1897.721020] __should_failslab+0x124/0x180 [ 1897.725259] should_failslab+0x9/0x14 [ 1897.729063] kmem_cache_alloc_trace+0x2d7/0x750 [ 1897.733734] ? free_pages+0x44/0x50 [ 1897.737365] v9fs_mount+0x62/0x8f0 [ 1897.740907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1897.746544] mount_fs+0xae/0x31d [ 1897.749917] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1897.754536] ? may_umount+0xb0/0xb0 [ 1897.758165] ? _raw_read_unlock+0x2c/0x50 [ 1897.762309] ? __get_fs_type+0x97/0xc0 [ 1897.766200] do_mount+0x581/0x31f0 [ 1897.769787] ? trace_hardirqs_on+0x310/0x310 [ 1897.774196] ? retint_kernel+0x1b/0x2d [ 1897.778088] ? copy_mount_string+0x40/0x40 [ 1897.782334] ? trace_hardirqs_off+0xaf/0x310 [ 1897.786762] ? retint_kernel+0x2d/0x2d [ 1897.790662] ? copy_mount_options+0x1e2/0x380 [ 1897.795209] ? write_comp_data+0x19/0x70 [ 1897.799320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1897.804860] ? copy_mount_options+0x288/0x380 [ 1897.809357] ksys_mount+0x12d/0x140 [ 1897.813029] __x64_sys_mount+0xbe/0x150 [ 1897.817006] do_syscall_64+0x1b9/0x820 [ 1897.820902] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1897.826274] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1897.831212] ? trace_hardirqs_on_caller+0x310/0x310 [ 1897.836235] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1897.841259] ? recalc_sigpending_tsk+0x180/0x180 [ 1897.846018] ? kasan_check_write+0x14/0x20 [ 1897.850259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1897.855111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1897.860298] RIP: 0033:0x457579 [ 1897.863491] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1897.882409] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1897.890117] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1897.897383] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1897.904694] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1897.911963] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1897.919229] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:20 executing program 2: socketpair$unix(0x1, 0x50000000000006, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xc, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYPTR64=&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRES32=r0, @ANYRES32=r0]], 0x1}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000002d00)=[{{&(0x7f0000000140)=@nfc={0x27, 0x0, 0x2, 0x4}, 0x0, &(0x7f0000000200)=[{&(0x7f00000000c0)="ebe4"}, {&(0x7f00000001c0)="e8753241f67a049de7b08a3ee419d2c19f212457d114dac56791"}, {&(0x7f0000000280)="be7c6f3009e5ede5965d049be086ed347c1904f4e6f72adccd3a1c2b0c19daa79884199e9a5e5a11fa43c1bb1aaae2fe96a0e66d178968823cfa825a1b5e7fec09afbda34c084531ca5db904962ee2df3ba1ebe87c0552ef15889939094570d5171d1ff61bd0903d1a09f7d862322680a91d33d444b61b2bd2bdbaa49f5a8d9d34e174ae03c4a7ff49d33236af9bf4c8a516bc0757be6034709795b7d30f48dbe5a663"}, {&(0x7f0000000340)="390cf317befd81f311e8ffafd90bb5f6e6e4a6d0422c695a6f5c5df8c70515383ceeacd403083b22cc7834ad5188967c298e795ded6736e80bf88d04a26534625d0f3e7b43ec11c8f3fdebb743e7"}], 0x0, &(0x7f00000003c0)=[{0x0, 0x10d, 0x9, "5c2ec63e565ca8e56260c0bacda31b9cb0dfeb5c56d7bf10267f951851d1a42840b0986433818e724ec5b8e2bbd3e0413beb8e16f9591274d6cfeeebcd8874a16033d595b2e4f66d8333218774ff089eaf441e9f58dd071627d51b2fa69c48e54f67c2e6762a67976a43bf1ef2f43d520801cc49e8"}, {0x0, 0x0, 0x80000000, "936a424b188cc9da59df75d361f066743ffded3404908e39c773bd69e0d1d3b09154ebc296a95397af57f382d15676f32a258d4b4e3367290423"}, {0x0, 0x80000000001ff, 0x9, "2f7972f1deee6ab33a55b7291717bf7a9e2778ac88d76b2d4dc9773200abf0a4c04e4b8c3ae94417a3b8c655cc81b6ba71bc5c9caa2a7d54d3e6d6e6f8d01689756ce82e336c3168ca76aec122d19e63f99e79766da3a1c7dad0eacf6bb3d1c6f0b875d0cded925ea9af5a2a1889516cc0dfe4743aaa1c3cd5bc55737ce2091a9741c2fe14b308be8f2795c6b704ea70784c886874d7df03e42f12849d2ab4fc5d78e89d150a9748aa902fdc7a448f21925574b045eb58a30c92d8b06213c78ca9db9b50dae3a6b831a209c3fbed7f459be7e538d9cc7f831e93b37c842fb791be942568aa53f80a"}, {0x0, 0x10a, 0x6, "dc202d0a9ff14c91c3bb63a754450cc95c2aa35f96119a745ba6f13528a3d419cd7e7c224c27e8587bd1166192add4d614a1517d82e955213693351c883977215ad515cfeb7a603f148ed975cd786f3e4fae93292c2ddf9bccccdd77"}, {0x0, 0x0, 0x0, "2fd08ce7fe107e726701d99b42e5d74e19636666f8fa2c2fb457ef5edbc67b96010fe3bd8727c7ccaf"}, {0x0, 0x1, 0x6, "fc6613c375bc5502150d8694da4ac20484c48df65a47185eaee9282fa4831e80e0f170f9818cbb6d9f68322d5c69ecd3d1df75df7811af04a4396827a62b834dcdc33f780d209e1db16a3ec6b12f2dd2023c9991a0633c086a195a60417f8bbc43f89b24879599d4bcfa83daf99453b10ab777cbba2bb2c74e9f9c3f1fffdc44549390044bc7d5eb04ae6c43ee93884b2dde9ef20ac2f27d2ef94352dd12b39c285569051af121e79c4ad10a314f5599e7752155ccc5dbd127784d57e7"}], 0x0, 0x2000c840}, 0x7f}, {{0x0, 0x0, &(0x7f0000000880)=[{&(0x7f0000000740)="43037ee6f9a3ffbd8b"}, {&(0x7f0000000780)="ae6273ae13251891956612e89eed7dffe4294820dd1f4fc764b03f3ee138890b499bd7e58d6aba56a3f4362a4ceb293e31497ab7fca4c171c6a6962b5953e691d41b8ccaf77e53094f4ba541c07144303d6c55c58c051847fee968c74b38f19478dfe485647ce7d9c14aa64993a462611cc51e47854056c298ba41840218afc471dff03a6425af9e40e0225020e40d8171d1051b23a425828e84fb07ec4c802678938af4e22b91b4f5b6a65790f5a2713bdf9213fc1f36920f29cc1e37a5a9d7b607c5c2d5fba66618ad842097d886464f479dc915fd0aa44fcbb922a1fca9"}], 0x0, &(0x7f0000001440)=[{0x0, 0x29, 0x0, 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{&(0x7f0000000a40)="d3a37f5f9a51e3870161c5203c36071486e23c0096038a02e65326ee2b77c7ffc28348394174f65d60a1d733e943bb7f2404329f04dedb3313f466b3d5bfdb8b30fd33aeed674d8b5951e98ebae5fc1237b1c90471b7a9d7b873535b139c8c12fb8e2847438bf5dc1114c527a6c9e7abc209c6d77f8a7e69b2bfae24f4b84073ee8fda93870ae05a229470a04771dfbde134d77a1c1e268bdb57f2a9d72826f4576c649b7e9228758549b8f695016bdbeebae4a2902f862835e906e732d4219232a6750ab7720ece8c9c2b947d366fef43e97f98859dcdb79d43b942b39746f9fd67bd5e208ac2645594"}, {&(0x7f0000000b40)="49568b677a8036072fb36ff2cb46bd2a35efae35005624697b11d6a5bb60cbb244c5b3c10a00056a0729e985f4806cfc3a5450398ecfd2b6dba2a387ea479f7ee5f045f3639a0f4ac983a54a6728ca735554c99a2b104d917bf9b5af9ae7fa0ec719878b3b37669d1b5dbe5d010ff1450aef39"}, {&(0x7f0000000bc0)="f997685d7d38596460e14e941bdfc97de6682afea83bc4b3baa2d71001021ed83efce9e01407c7da204935f099a448a9e7da0ef64d43ed92e16487d58a6e4142239df447fbaa34e56d80ebc2b2f74e010590d18045857f62cea51e579feb1f30ac4a01ae73cb6dfd7554f3b85e0e66c85ce41946e3accde6e619c632925f332dd31160770f7d9f21e87ae10db9b255e3dce2312adb8c3e86e31751d4e472203b54d2bf1207dc2842ee3952229bfb75d66f9391b5d5ca2a08ff469fc51cdbd24b7680eea1eb0b1adac8ea66a453a589214aaa7ad3c13b765b99"}], 0x0, &(0x7f0000000d40)=[{0x0, 0x105, 0x9, "6b01c55ab8e672f43e241f4b6dd9d77beb1ac474f123b1ed2b0b9bd1b880a35f1f23224b284d1e761b488a70fd226b43d15e488fd7a94e569f2803be5a5e885e4a12f89cfe5e57350535bddd1dd71df4096d7ab0df24c12097d8f7964e2799509f2d7b4cc661990d3c3845b4da47ccff6efd8ff9090cfdbd412095449085ad91594aa709988dc91aa9b2f6b037c86a60327a92f22d9567a7eee9fa5067c57469771d6d2d57"}, {0x0, 0x114, 0xf21, "7049f810a0d5642517f1626e0ba6b02444351ce4822dc29f56c2cc8359e847f0e30f74c35ae45542717f8de2a15f4171f6be8636b58e08065a6bd1134ea63f2ec45d8e60315fa1ba63e841d46dde2955fcdecfe22530934374517b389bdde771b2beef90a795a8"}, {0x0, 0x102, 0x0, "4be577b8b6d672f82c1105d9e26a2953a08f1e857d9d5804eb1b404b9fc5f22e19fec675c8ee41ba39374d88dd04d2c673dc6cf25227f1"}], 0x0, 0x1}, 0xfff0000000000}, {{&(0x7f0000000ec0)=@generic={0x11, "b2abe5f752af1fc157b69aa5971631dc1c38c50459d25d71479e28dc86be06fd6f8e2ee8550d0549e0a88ecb3882f1f29a18dd72270d9adc271e2f0bf097d0d45e5e13b7560afed1b42d83f354095a4b3e393496874cddcae3d352cdb2271c8134ee502b2f8612da3a3c2219e2cf030ccd32ccb3b5ed5864687cb9f3bb0a"}, 0x0, &(0x7f0000002880)=[{&(0x7f0000000f40)="0b0f57dcd84c6847ee3c332e7d318a5d23de50add76f6dea12f79e3fca72ff486b67dcdff620b70aa2b37fc9233b4aa3ba0fb3a0f841b242911dcb04db1a7b547aa7404b2b167dd3b14543a291f37bcd75432e6879852ad143e12635c5bb1f61006989b3cd6aa092e35b2e4220bb7d836fd38bcd9453654765167f61f028309278e65465"}, {&(0x7f0000001000)="e6d759f79ff715550b051a74fa480e752cb6ee22862ffe877c9662a162351a96f4c705897c605bf7ed"}, {&(0x7f0000001040)="aa03a738dd9301f65f0ec9b70ce7e0a2bd7a00e93fc6e4e82e1efbf7aeb3e5d256c5334e3bbf2b9abd35920a39a2931745e7d6e19093ed486cac07e17faa76d68faa670356cccbd8803bd53892ff"}, {&(0x7f00000010c0)="85facf23a7ddb55a35291b91fc287c8534d1d17c0e26ea7d20b61dddc4942848be7745d21029e801add619af6daf9cf8c4794e79a9f9754c4d7c2392939d1f286453260785029d59e67d79bdc57066c681e1a586d90cb114b5df99bafc3aa0bcc9abe4cb8ca6c9670a339a48b6fd485895f29b33d658acaa7abb9964f521927b5d3ce90d3cfa5e09286fd8adc9c3cccb1d10839cde036afc79d97f7f5fa5aa9380c5accd31a10963d1cec47aaab06067d7fd08d7ae003cd7053e5fc9b3ebd8ba9c56ce2a3daa8346b92456849cd8482b3573ad369b94237de1cae1ef01620494"}, {&(0x7f00000011c0)="f4d3d55d77da6d570e9275f1888d86ffbd1751f345db3b35cad5b77c1f7053f6cf8f4ebdcb1a53b3aaba0cc82408a429db133fad8ab9933cd3e806264e3a6254c4d0188135bb5aeab3651172f22c91c91285374569359c2644def3c27732009c675b79fc82197f49d74781f58491e00c1ac390d001000e0184cc1d4d3f12ea2894c20c3a2e46403cbd994ce7772c3695f7c22be694da097b05af93dd3f794cfd3de75521d0e6c55e5473a9c28abd107f7a2b07fe3a23a4c35355090ff8e19be335e122a5fbf0f4a7f5c28d0e24"}, {&(0x7f00000012c0)="efaf57d6cf1ef02fc5e434632ed27890ec33dd435c9382c2cf9d3fb96d0e019d3440bd0b736fe9b7ce6af03da2d85e59848f93341b9337d5e609765d4ca223a883e2f55b8c7661eaee7133d726a3237ac7c3a1ce54a1d328aec6246180c7a93089d085aecb95d1609a8a5dca4224f1e3f0bffb6ecc86b141efb9bb5dec81889d14f06bd6b6c8c5938c467c565ac90d215dffcda3f27117"}, {&(0x7f00000026c0)="b4836ddf3657683334f93757521248058f617b7f6103b3f779eb052a1ca0fead49a28210e36637baad8a5be4631e0152c194a5ef7109a620ab2c946af4b8e8b54c8ca1b8c7c6a6375ca26e4d0a58f2f293d126dee417047dc861e4b79d6289c4bccf91d98721bc4193365bda8aaea32f634ad7cffd76239678bfe002b938e6c32c8df9216dac6644e088bd182de6b7f030ba16a9f70fda2f9fc634e34797809237bb5ab25bfb3888f98fadf413b6348bb30ade124ef1da24ec592d"}, {&(0x7f0000002780)="949fd29baf24acfb29c7ff78d493019ddb9a9edffed696d36e3454cc67f0eb56fc72d389ffb5d2277e85e3794f9667a04352bd4f0b674f7d70e94de2b02420d325023705e4e0c9cb39aff3137f2ea6e2f28837d4f4c1d505e6b6f0ff138b0bfccd54cdb3691fa93c17f3a503a49867f08904d498dce465a837503be245b5cf168413c4b4c037b9838ede66146230903896dc78c3bfa2542f221f33debbed96e19f73e7186306eafedb944dc962f3b9212fa612fbe27c021be4c97cc17d9c174847ef16db760e65f4394e7c0c9aea7ebee879a06b06461eab93bb65b1"}, {&(0x7f0000001380)="815a60b3bb772628713ae22dd9ead8a79bed8aa22f9df69590dc5a2ef480a29b0879c29ad82388a93ea032fbbc771e8a00c0c802006e28b4982f060a5c0c5655d03a1b530ced0074cb132c3fc83b51a7bac1ecb076615e0f57b711b9fe0c866c4ea9b9af0af22e10d2606645da58120e0f4559da5ea808"}], 0x0, 0x0, 0x0, 0x10}, 0xa9b}, {{&(0x7f0000002940)=@sco={0x1f, {0x3, 0x7ff, 0xd17e, 0x7, 0x8, 0x200}}, 0x0, &(0x7f0000002c80)=[{&(0x7f00000029c0)="a226f2ab0a495c5d006a1e7ece5816825c8259857a4d61f44b60e5a3f5f9bd6256196b360e00dfe72fd56397c40a9ef6547f53f47e93b7ce7848940cc6e239d69153d7a6e0bb199a0984bccae8170b15e47b10768ea2667434064224ce0cc4e2f05dd4ff78db6973ee32d9995b3e2dee03431191873b305faa5a3408241752d26f918acf0b503f37dc0c71a720ffcdd519f1dcbe315670c3ed"}, {&(0x7f0000002a80)="dbd51adc108ec875393d0dc16ad56ab5e40f4ffab3f374ab83e9274df8a70b28bd59"}, {&(0x7f0000002ac0)="a167f21f3da1d95dc48d1c4020eaf74cbf723593eea3ae17f48a82540384588e5352dbb6ef32ee47f5e88e327160932938ccab803be7185bb41ec6aa82811fdf8cb008f0f51ea967946d2769e2f264e785d717cbde6f5e95054efe479992c6766f01872c5c3fe92b2054a678fae07452562df7410bcd33b5e33f82400122919c5724ec5c6f1dbba3102579726f1a8a1274988d76f73f2c5fbe45f3846ba6e97bf9de4107c73943ecf8c5e479fd2ee416"}, {&(0x7f0000002b80)="965a7bdd5b0696e0835a19c23ccca5054aa96ad671a63db00b40fc1b4e310e27e753982e4eb8837f0c15381c51258cc63cf03fea63595c42408768d641c2fd4cecbb976d74264d91de564a31278cdd4c521ed6b2f0284401be4e36a30ea522098e28b6637435e716c67fc01cf2083791bf93ae6cb11862b237ec338a62ea5fa930872a4e4253e3e803fe858cd3f2731d523bfdd4c8d1157dd5023a93d8dd9937743e9fd85871869c373b4359a9c1dee926db24c938f3ad5659d8276c44bd2453de81"}], 0x0, &(0x7f0000002cc0)=[{0x0, 0x111, 0x8, "ea12e2e792f852c5bc9a85dafd"}], 0x0, 0x14}, 0x6fdd}], 0x400000000000294, 0x0) 03:33:20 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x66de}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:20 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="5000000090ce5671c30bbfd039621e359c"], &(0x7f00000002c0)) r1 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x63fd, 0x1) ioctl$TIOCLINUX6(r1, 0x541c, &(0x7f00000000c0)={0x6, 0x2}) 03:33:20 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:20 executing program 5 (fault-call:6 fault-nth:8): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:20 executing program 1: r0 = socket$inet6(0xa, 0x7ff, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:33:20 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1898.072910] FAT-fs (loop3): bogus number of reserved sectors [ 1898.078775] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:20 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde3e}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1898.122191] FAULT_INJECTION: forcing a failure. [ 1898.122191] name failslab, interval 1, probability 0, space 0, times 0 [ 1898.161719] CPU: 0 PID: 7672 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1898.168956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1898.168962] Call Trace: [ 1898.168989] dump_stack+0x1c4/0x2b4 [ 1898.169012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1898.169039] should_fail.cold.4+0xa/0x17 [ 1898.169057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1898.169073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1898.169086] ? fs_reclaim_acquire+0x20/0x20 [ 1898.169112] ? mark_free_pages+0x3c0/0x3c0 [ 1898.169140] ? fs_reclaim_acquire+0x20/0x20 [ 1898.169155] ? lock_downgrade+0x900/0x900 [ 1898.169174] ? ___might_sleep+0x1ed/0x300 [ 1898.169194] ? arch_local_save_flags+0x40/0x40 [ 1898.230662] ? putname+0xf2/0x130 [ 1898.234129] __should_failslab+0x124/0x180 [ 1898.238361] should_failslab+0x9/0x14 [ 1898.242157] kmem_cache_alloc_trace+0x2d7/0x750 [ 1898.247002] ? free_pages+0x44/0x50 [ 1898.250635] v9fs_mount+0x62/0x8f0 [ 1898.254174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1898.259712] mount_fs+0xae/0x31d [ 1898.263085] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1898.267666] ? may_umount+0xb0/0xb0 [ 1898.271289] ? _raw_read_unlock+0x2c/0x50 [ 1898.275432] ? __get_fs_type+0x97/0xc0 [ 1898.279338] do_mount+0x581/0x31f0 [ 1898.282872] ? kasan_check_read+0x11/0x20 [ 1898.287020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1898.291427] ? copy_mount_string+0x40/0x40 [ 1898.295655] ? kasan_check_write+0x14/0x20 [ 1898.300033] ? kasan_unpoison_shadow+0x35/0x50 [ 1898.304615] ? kasan_kmalloc+0xc7/0xe0 [ 1898.308680] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1898.313523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1898.319060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1898.324597] ? copy_mount_options+0x288/0x380 [ 1898.329092] ksys_mount+0x12d/0x140 [ 1898.332722] __x64_sys_mount+0xbe/0x150 [ 1898.336699] do_syscall_64+0x1b9/0x820 [ 1898.340594] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1898.345959] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1898.350894] ? trace_hardirqs_on_caller+0x310/0x310 [ 1898.355932] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1898.360988] ? recalc_sigpending_tsk+0x180/0x180 [ 1898.365747] ? kasan_check_write+0x14/0x20 [ 1898.369983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1898.374829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1898.380050] RIP: 0033:0x457579 [ 1898.383240] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1898.402181] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1898.410015] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1898.417282] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1898.424550] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1898.431815] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1898.439083] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:20 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x4}}, 0x24, 0x0) [ 1898.501348] FAT-fs (loop3): bogus number of reserved sectors [ 1898.526055] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1898.534353] overlayfs: filesystem on './file0' not supported as upperdir 03:33:20 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="50000000b0ce569c0430e32a41353dd0ec07f778b5dd2493cee5035e3bf32b6cfdc8da9cacf41911da41133f26d7bbb8335660fab074037bfe06ed11a5887b178fc34eb6bc2fe7766802673e2974e80aaac9266991592e7edbdcdd7b4f2d05f27c3d991cd0b3a87e9bfa3b4f5fa685166ba89b617a3894dc469fc3e95e35570018f4b200c4361950fc28c1e6dffff7c74e3f0ba44486a383bbe844a812d5831d39c14e74d7936431f66822245f9f8b43217258bb1ebc44cc41979b25cc6819c9cf86a2534c0691aa73333be419204c39d8edb31fe6f55c4defcd76e85aae0000000000"], &(0x7f0000000100)={0x0, 0x3, [0x4, 0x0, 0x6e4, 0xbbe]}) 03:33:20 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000200)=ANY=[@ANYBLOB="36d700000000000000000000242a468f88f57bd3fa000000e4000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000000140)={0x0, @in6={{0xa, 0x4e20, 0x100000000, @empty, 0xfffffffffffffffe}}, 0x10001, 0x200, 0x4, 0x7fff, 0x1}, &(0x7f0000000080)=0x98) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000280)='/dev/snapshot\x00', 0x4001, 0x0) write$P9_RVERSION(r3, &(0x7f00000002c0)={0x15, 0x65, 0xffff, 0x3, 0x8, '9P2000.u'}, 0x15) setsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f00000000c0)={r2, 0x9, 0x5, [0x401, 0x2, 0x1, 0x81, 0x7ff]}, 0x12) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:20 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:20 executing program 5 (fault-call:6 fault-nth:9): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:20 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde48}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1898.599218] FAULT_INJECTION: forcing a failure. [ 1898.599218] name failslab, interval 1, probability 0, space 0, times 0 [ 1898.643793] CPU: 0 PID: 7690 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1898.651022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1898.660387] Call Trace: [ 1898.663020] dump_stack+0x1c4/0x2b4 [ 1898.666666] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1898.666696] should_fail.cold.4+0xa/0x17 [ 1898.675952] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1898.681075] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1898.681091] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 1898.681113] ? is_bpf_text_address+0xac/0x170 [ 1898.695370] ? lock_downgrade+0x900/0x900 [ 1898.699571] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1898.705376] ? kasan_check_read+0x11/0x20 [ 1898.709533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1898.714812] ? fs_reclaim_acquire+0x20/0x20 [ 1898.719132] ? lock_downgrade+0x900/0x900 [ 1898.723328] ? ___might_sleep+0x1ed/0x300 [ 1898.727477] ? arch_local_save_flags+0x40/0x40 [ 1898.732059] ? unwind_get_return_address+0x61/0xa0 [ 1898.736990] ? __save_stack_trace+0x8d/0xf0 [ 1898.741310] __should_failslab+0x124/0x180 [ 1898.745552] should_failslab+0x9/0x14 [ 1898.749390] __kmalloc_track_caller+0x2d0/0x750 [ 1898.754067] ? save_stack+0xa9/0xd0 [ 1898.757690] ? save_stack+0x43/0xd0 [ 1898.761355] ? kmem_cache_alloc_trace+0x152/0x750 [ 1898.766197] ? v9fs_session_init+0xdd/0x1a70 [ 1898.770607] kstrdup+0x39/0x70 [ 1898.773837] v9fs_session_init+0xdd/0x1a70 [ 1898.778077] ? v9fs_show_options+0x7e0/0x7e0 [ 1898.782482] ? lock_downgrade+0x900/0x900 [ 1898.786630] ? ___might_sleep+0x1ed/0x300 [ 1898.790778] ? trace_hardirqs_on+0xbd/0x310 [ 1898.795101] ? v9fs_mount+0x62/0x8f0 [ 1898.798813] ? kasan_unpoison_shadow+0x35/0x50 [ 1898.803390] ? kasan_kmalloc+0xc7/0xe0 [ 1898.807297] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1898.812137] ? free_pages+0x44/0x50 [ 1898.815812] v9fs_mount+0x7d/0x8f0 [ 1898.819354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1898.824896] mount_fs+0xae/0x31d [ 1898.828308] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1898.832891] ? may_umount+0xb0/0xb0 [ 1898.836518] ? _raw_read_unlock+0x2c/0x50 [ 1898.840663] ? __get_fs_type+0x97/0xc0 [ 1898.844550] do_mount+0x581/0x31f0 [ 1898.848089] ? kasan_check_read+0x11/0x20 [ 1898.852238] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1898.856645] ? copy_mount_string+0x40/0x40 [ 1898.860872] ? kasan_check_write+0x14/0x20 [ 1898.865109] ? kasan_unpoison_shadow+0x35/0x50 [ 1898.869685] ? kasan_kmalloc+0xc7/0xe0 [ 1898.873572] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1898.878439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1898.883981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1898.889519] ? copy_mount_options+0x288/0x380 [ 1898.894016] ksys_mount+0x12d/0x140 [ 1898.897643] __x64_sys_mount+0xbe/0x150 [ 1898.901615] do_syscall_64+0x1b9/0x820 [ 1898.905499] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1898.910861] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1898.915794] ? trace_hardirqs_on_caller+0x310/0x310 [ 1898.920807] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1898.925826] ? recalc_sigpending_tsk+0x180/0x180 [ 1898.930579] ? kasan_check_write+0x14/0x20 [ 1898.934815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1898.939697] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1898.944882] RIP: 0033:0x457579 [ 1898.948070] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1898.967005] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1898.974715] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1898.982020] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 03:33:21 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:21 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x5) fcntl$getownex(r0, 0x10, &(0x7f0000000000)) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="50000000903e569c"], &(0x7f00000002c0)={0x0, 0x0, [0x0, 0x0, 0x1000000000000000]}) [ 1898.989288] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1898.996550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1899.003813] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:21 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6800000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:21 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1899.050744] FAT-fs (loop3): bogus number of reserved sectors [ 1899.075643] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:21 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp\x00', 0x4000, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(r1, 0xc08c5335, &(0x7f0000000280)={0x5, 0x9, 0xa182, 'queue1\x00', 0x81}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000001a00000000000000000000000000006b4ecaffeeac718b671d07f9ddc1a316d16fe55d80f78b8b936dee51ef42881ceb824630ea46e57c84adde6064726d5babb5ce52e7a5f87913b5beaab1db2a7947328fa9f68ff341bd1bfb477f2572adce2040c9290108b34ee6222d4e5ff8fe07d83d02a51576a4a4e2a2e6516cb58af6277ee90000000000000000000000000000c2ee6169579ad2ba5ada8a100fbeb5f27d27c2cfb147fab1217242c7a61069def33bd65cd54ba52296c13a2dbb2526cb61ea12eb860a83bfc63d5c2ec587fbbc4b"], 0xfdc4}}, 0x0) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)) chroot(&(0x7f0000000200)='./file0\x00') r2 = semget$private(0x0, 0x3, 0x7) semctl$SEM_INFO(r2, 0x3, 0x13, &(0x7f0000000340)=""/221) ioctl$KVM_PPC_GET_SMMU_INFO(r1, 0x8250aea6, &(0x7f0000000140)=""/126) rt_sigreturn() 03:33:21 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff0000"], 0x10) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1899.167963] FAT-fs (loop3): bogus number of reserved sectors [ 1899.181544] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:21 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x400000000000000}}, 0x24, 0x0) 03:33:21 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x49de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:21 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000000300)='/dev/null\x00', 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x7fff, 0x8000) write$P9_RWSTAT(r1, &(0x7f0000000100)={0x7, 0x7f, 0x2}, 0x7) syz_emit_ethernet(0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="0000000090ce5b9c03ea136a856c6757b2e563ae58b9eb880f2ea9c1ad47d91d92d7fc101db6dd9504b0eced17cc35b49aa8e055c31bf252a81faa977672507c2475b25ac0246ab7867552a4688bfe9fac1bd783b30ac0893f243c964d4d02b76d6401b54711e48904f209dbfb0ee2f3e030838f4400484e048775054f36e474f989ae30192d42029589ed76f7d709ebc7d8"], &(0x7f00000002c0)) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000180)='IPVS\x00') sendmsg$IPVS_CMD_GET_INFO(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x240000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r2, 0xb01, 0x70bd2a, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_DEST={0xc, 0x2, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x400}]}]}, 0x20}, 0x1, 0x0, 0x0, 0x40001}, 0x800) 03:33:21 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="140000000000000094ce330d9e278a230770682d8703e7022e759acd1150e7492b91196555560f12db3dd86986d47af6d94d6881c1a29b96b033a25c7093afb9cf60fc02476a4708a7bc9b0b6073493e802f495c201c7393cf8ca4a283044c0b7a1a0db4f6880585a32c40beea72108b12e79b564cf460b895e75c23f8e88f5ffcffb6d281be00b92707aa02835fabf79dc8e62105858aefca87"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:21 executing program 5 (fault-call:6 fault-nth:10): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:21 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:21 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r2 = syz_open_dev$sndpcmc(&(0x7f0000000080)='/dev/snd/pcmC#D#c\x00', 0x8, 0x200000) connect$llc(r2, &(0x7f00000000c0)={0x1a, 0x206, 0x9, 0x3, 0x8, 0x80, @local}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:21 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x62de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:21 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8910, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) [ 1899.423109] FAT-fs (loop3): bogus number of reserved sectors [ 1899.452626] FAULT_INJECTION: forcing a failure. [ 1899.452626] name failslab, interval 1, probability 0, space 0, times 0 [ 1899.467800] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:21 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:21 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r2 = memfd_create(&(0x7f0000000080)='&mime_type.]-cpuset$nodev.nodevloselinuxwlan1cpuset&[cgroupwlan0md5sumGPL\x00', 0x4) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(0xffffffffffffff9c, 0x84, 0x71, &(0x7f0000000140)={0x0, 0x5}, &(0x7f0000000180)=0x8) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f00000002c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000280)={0xffffffffffffffff}, 0x2, 0x1000}}, 0x20) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r2, &(0x7f0000000300)={0x10, 0x30, 0xfa00, {&(0x7f0000000200), 0x3, {0xa, 0x4e20, 0xfffffffffffffff9, @remote, 0x9}, r4}}, 0x38) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f00000001c0)=r3, 0x4) 03:33:21 executing program 1: bpf$OBJ_GET_MAP(0x7, &(0x7f0000000080)={&(0x7f0000000040)='./file0\x00', 0x0, 0x10}, 0x1f8) r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000000)=ANY=[@ANYBLOB="500020925eca5730ab8f23c6ce569c00"], &(0x7f00000002c0)) [ 1899.494290] CPU: 0 PID: 7750 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1899.501550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1899.501556] Call Trace: [ 1899.501580] dump_stack+0x1c4/0x2b4 [ 1899.501601] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1899.522482] should_fail.cold.4+0xa/0x17 [ 1899.526575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1899.531715] ? is_bpf_text_address+0xac/0x170 [ 1899.536246] ? lock_downgrade+0x900/0x900 [ 1899.540422] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1899.546326] ? kasan_check_read+0x11/0x20 [ 1899.546375] ? rcu_bh_qs+0xc0/0xc0 [ 1899.554061] ? fs_reclaim_acquire+0x20/0x20 [ 1899.558412] ? lock_downgrade+0x900/0x900 [ 1899.562582] ? ___might_sleep+0x1ed/0x300 [ 1899.562598] ? arch_local_save_flags+0x40/0x40 [ 1899.562615] ? __save_stack_trace+0x8d/0xf0 [ 1899.562636] __should_failslab+0x124/0x180 [ 1899.562652] should_failslab+0x9/0x14 [ 1899.562667] kmem_cache_alloc_trace+0x2d7/0x750 [ 1899.562679] ? save_stack+0x43/0xd0 [ 1899.562688] ? kasan_kmalloc+0xc7/0xe0 [ 1899.562700] ? __kmalloc_track_caller+0x14a/0x750 [ 1899.562713] ? kstrdup+0x39/0x70 [ 1899.562727] ? v9fs_session_init+0x115/0x1a70 [ 1899.562738] ? v9fs_mount+0x7d/0x8f0 [ 1899.562761] p9_client_create+0x106/0x160a [ 1899.562780] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1899.562799] ? p9_client_read+0xc70/0xc70 [ 1899.562818] ? fs_reclaim_acquire+0x20/0x20 [ 1899.575877] ? lock_downgrade+0x900/0x900 [ 1899.575896] ? __lockdep_init_map+0x105/0x590 [ 1899.575913] ? lockdep_init_map+0x9/0x10 [ 1899.583946] ? kasan_check_write+0x14/0x20 [ 1899.583960] ? __init_rwsem+0x1cc/0x2a0 [ 1899.583975] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1899.583990] ? kasan_kmalloc+0xc7/0xe0 [ 1899.592284] ? save_stack+0xa9/0xd0 [ 1899.592298] ? save_stack+0x43/0xd0 [ 1899.592314] ? memcpy+0x45/0x50 [ 1899.671511] v9fs_session_init+0x217/0x1a70 [ 1899.675853] ? v9fs_show_options+0x7e0/0x7e0 [ 1899.680268] ? lock_downgrade+0x900/0x900 [ 1899.684474] ? ___might_sleep+0x1ed/0x300 [ 1899.688627] ? trace_hardirqs_on+0xbd/0x310 [ 1899.692947] ? v9fs_mount+0x62/0x8f0 [ 1899.696661] ? kasan_unpoison_shadow+0x35/0x50 [ 1899.701238] ? kasan_kmalloc+0xc7/0xe0 [ 1899.705130] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1899.709972] ? free_pages+0x44/0x50 [ 1899.713607] v9fs_mount+0x7d/0x8f0 [ 1899.717145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1899.722689] mount_fs+0xae/0x31d [ 1899.726063] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1899.730647] ? may_umount+0xb0/0xb0 [ 1899.734270] ? _raw_read_unlock+0x2c/0x50 [ 1899.738415] ? __get_fs_type+0x97/0xc0 [ 1899.742305] do_mount+0x581/0x31f0 [ 1899.745875] ? copy_mount_string+0x40/0x40 [ 1899.750110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1899.754870] ? retint_kernel+0x2d/0x2d [ 1899.758761] ? copy_mount_options+0x1a1/0x380 [ 1899.763258] ? __sanitizer_cov_trace_pc+0x48/0x50 [ 1899.768101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1899.773635] ? copy_mount_options+0x288/0x380 [ 1899.778141] ksys_mount+0x12d/0x140 [ 1899.781768] __x64_sys_mount+0xbe/0x150 [ 1899.785740] do_syscall_64+0x1b9/0x820 [ 1899.789625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1899.794989] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1899.799919] ? trace_hardirqs_on_caller+0x310/0x310 [ 1899.804932] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1899.809945] ? recalc_sigpending_tsk+0x180/0x180 [ 1899.814699] ? kasan_check_write+0x14/0x20 [ 1899.818938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1899.823845] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1899.829032] RIP: 0033:0x457579 [ 1899.832226] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1899.851120] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1899.858826] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1899.866092] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1899.873361] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1899.880665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1899.887966] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1899.916896] FAT-fs (loop3): bogus number of reserved sectors [ 1899.932493] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1899.956270] overlayfs: filesystem on './file0' not supported as upperdir 03:33:22 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:22 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x200000}}, 0x24, 0x0) 03:33:22 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="153f6234488dd25d766070233e4de1fc98e00800000000000000cd1d60dbb326a64555a77b9bd35768603bbf4210e18db95526ff039db0") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:33:22 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14ff03000016d70ab540dd98d48c622328d9af25ed270600000000000000bdf49d931fe04c06e663197a241c1f2b"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f00000068c0)=[{{&(0x7f0000000140)=@in={0x2, 0x4e21, @multicast2}, 0x0, &(0x7f00000007c0)=[{&(0x7f0000006a80)="1f8e8ecc81efb05e1ccf7a8cd4d4e2ba049de41e7d8e76a84e489c106d3e2887512e6daf06ac315bf9a54fd8a46eb272c52a6852c44868c03ec256d3ca7ea70120e690f0113b81cf18c64fd51e55284d8a90b4037900797367148ce14d36c618310f315397f8c051b1a02094ed6e94bd58bd145323734dd0f9865071b457e2487a5fd1da0c96a592473c6cebbe7729d8a8d940d3feefcadf4af29c860ccd580c778c5f168b543684e29f24d6ee92aaff73380faa867b704561c92635ee9806ef46ae055e3cf98737c4d7ad0016353805285168aabc27b7701c3a675b46f6f53a73c64e9e"}, {&(0x7f0000000380)="9dde2ce6a38c7c742daf5699267b25589719f777b70d0819e0922d8c2129674638987d72733db06c4280a0d372b183301076c463c49825b7b0e75a937bd20a1a82e40ab9a15b0a47996a8f7fbbbb5c2cc18572d7dcffd322e6e00dde142178806c094f39a6fdf8abb8682998ce5975a62fd762d47ea7707bd1f6d3b16e2d7c2b2b4f3d540fe4aebc939ace2a567a6f319f642c16c8be64767498e4c802793db6694688802200daf9aa07f05e91f05c814936913a86b048361d8160b0790d03dc4a9cf83334269adb60cd61f5d1d3f503a92edbbe811bc4a13c81adf62da047611b57fb13f743bc1c8b73b839da6133ab13710c39b496"}, {&(0x7f00000001c0)="e4ff4c100a54690d57a59e7818480d0e514bd1748b2a5cce361478f4493fe331224ce9af06c82c3ffa32727c5fc2b179bb03a043f56ba31960f56767ed5866ac2019", 0x330}, {&(0x7f0000000480)="d5ac0ac03b23fd96dab0ee9f895d77a0ef2945af618f8b13055af23bf342bef24cf09a4972f8b0b4c4c995dd3bb7fa188afd73cb2eebc106e6dccb46f6f619bd09d3c2fe51efa852892a806edbf12efda4247a74ec4dc24e0c350dc2077e3103abcb2a45b404bb3671d73b9e00368c4be2fdf42b9c5b4ba0a8dc1a9197e06fcd722b9a0f866759dcd996c0ad36642a798677435e28d9806aedb20d6ffeb48dc99447b44a4e6facefb082f9fa960019a1ed175ba2a86cc84f260496ea4493457106c6f34fdef8f72cc018cc1c24d34b00d533", 0x20e}, {&(0x7f0000000580)="2caa467155859ab1625cc9c2ae3e6d5aeb6687f43e576a31f66f2b770d8d082167601565b1f727c161dd3c7ca267f00df57d9c265d8ffe89c431878a45c84428966af38c1524b4ee276013968d077195041b0787330a48d419bee44be40991c12a05b8cea45cc3695de1625ec396f03ea2297272285d6b1a68a79dee1a4987611687ce093912da0156c439172608842d8da8cc96a6a09c42c3398e2f6d509d1c90048f5858b7497d145804cb4f0744654359434c60454429663ae574a103fce3040ec957aa8c935ea592a6a4b2c780b338bd2f26814cdc9a552efcfb33abe161172e1066241addc2997a5757575ee323ca6da349"}, {&(0x7f0000000680)="48d684a1f24ffc858964a93f62de992dcd9de04fdc1fd0ab3228534522d122e690823652cc6cdd1a2cdb072b2830c004605e97b78d9365881c18ab1c32f124b0609bc210e89014742ac18cbcc068428e4b9ace86f0979d6ee3a1afb2019b66708562b38b7065c31cea8a4e5aebb9555632841f86108adf3c033e89c86948605f63ac524c0577"}, {&(0x7f0000000740)="a68f81d91f4976e17a3b7c49f8da85ab5fad627ff8d89b3879f6b4625dd66a14b8a1ae2789e193df01b6867ecab7c395cc45c859ee35f300772de3023f1b352f27493f2018a63c3a422444b9369f54ec8c5797f4d81967"}], 0x0, &(0x7f0000000840)=[{0x0, 0x0, 0x1, "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58e5d9b93a2fb8b009f7671c0eeefa6962726164df4f74d3d1a551e6b2248a2fab1a919dd5b8d8783d58c6e31f2c6a36f78ee17c1b22d21769f107266c4f0f4d9f5d88c13e9cdc8b52da39c24d4051bc28828d2bf47f64cc9d1d7f8d60b857bf00972a881f3a5602ccbb52c3072377776dad26c90a44ff06f32218dea6228d4cbf9d628e33850e6fe1b0ab30f9344a3ecd023a502efb7a8a7505b3e1327c69474490050b9c72d5e618071ce77f6ad1965c1e0839b959e7a89172cb79be99296297a9b460179ad6dca17b1eb2b9b602fe64699b290cd618962be5ce97f18e0b90539145e595f76572886adfdf54514f51ce096207da0270f7a45a3beea366d635b67c33e94cdb0cbd8c1712aa3ff6e51f34d446ef2d932f4bd6cc5c353d8c23ad1055820751625682d786790002de0394069d9088cbf2a10daf8daf22d2126f23a64edbed681d7537d6a9583c095acf81fad343fbc31c10167e1494fc007d443bc54f5f0f1a521be07ac2bbc8974c72a0add5e2184536bd62d8f59b81df7ba4cec74d365ae95d2abe4039e3eaff8c23451a06ffc5c34333451cd2b84b0821be9a41ec0e76efdfaccdfcb6a6d97ba975e8b9595d9025e0550baa1446b7cf08bcb6837c8216fb94256e8483612d60e1f95194a12282776a2a6486cac1a001222f608d5a6d4ec63fdb86e29cf4ea0322223133fd6e7037e70fdf3c2127dfedc23debdcbe3ec2d58244b903a8f0ed42e3d222df6456bd6a341317bde378695697fd46a07f668b0f45ea0ddacf6dbc105afd2a8a4f3de27cf3856bfcb125121e07bce58f1dec2b1f0e7f760d3785a2f08a9fcde3370bedd8a16eb191a1583daa26f62877c49c8e2b7bdc2a1de530a3dafad6b6be36b42e4e9f25ed95dcb97ded217c2dcb4f73b7c11dbefacb9fe8aabe39b29c5db8b9517dcb7494af57605029fed9b29292d83e62afce961f4694f58b59ede71cdf0802e6449c49db7c440791c358767fd3d16cda8be311b6fce74ddb36702a63aa358c5bfa9b18909d52175fee3eb8ef073f660785ca1c15320bcae45b50ec72c7aa8c4a40ca409ca67e37567c7976d138f90ae30ddd17d65908a74acf6889f9d4e7e81cbd3ad63bdf12af867c5669cc83c46e484110b482dca6321f699661a03ba8736117dc05f399575f4a1bfb50cbd024c3d9d2761dd6cc8089636d697aeee115c62d900623d049163919d6c0564a172058c8e55eeac8b44b98249f462b0cbea3ba114ac7a2e67a1a7e2ffea7f70c303e059095220d640edcbc5be0b582bb5bd83fba722b5e887ab2cacd2d5d58db2996116ef2f34b3df79369baf980d485d69eab4a72c64cbab4329562df95b3266bde2254f235170c9734eb540474065c51ec26a397eebc17428eb6c9700547779a052ee976b8eb52847851a3732358cfeedd02b94adae6eecd8d03fc92f5a2c8713e8a6be70eb707337fe9d0dc5522d02ed92eeb3819773c2d10c7b00785ec067bfbe37c322bbf699d0c73918fddeb1aff164bd872a5a78f547cb7544eda23bc1d8a7eb33caebe92e8836a817c4d2f4e3a405cbae9a1b23f0e9c7e5b914936392da3eb48624909ccc136691cebf9afba90c48a8cdbfd1cde312da23021d5e6aa7349b2f00b58926254363ad92d2932364a12bb0926011ebe9910eac408d634909776e74e39f838961e1db3456ceb309fe7177ec2dda494ec86253d90a121f8a92264ba2716acd421fb681d90498643e9ea9a2cb17adfcae3c615220cc0223f45c019bd346292ba5bfffd4cf08c1c52f020fb72ea5e0b5832b2e4a2507d35c5eba81d3fa277e0fa2d73b3086dda7a1271d08414df0830ea335b4b01bd3952d4f6b18bb3aade59d074137afc0e2021e9863c0847de175acc5ccbb45c61d048bce25a652dd1a28ecad98b1f6112b52b4cfb5699c4bf7d8d3b65112fe9d6faf31e684735236a87f1880b37a5e74db42b431b1105c0a8734874d8df70ccd56355c6338f0f1cdbad907fe974734d1bc683861242e6aadadc114c3bc9a37056c48de5026b0dfc9d7f33e7db4f1284482d83b525a66da487445dc871ac47279a15b33557b03fd05421b87d49382e59dcd6dc2ea74cdc8604eeb9934e4c69980c3830928427e03ac1d38843d9b0726102b242ed9b1e0fc42f6fc11b251ecaba6a4dd4e77c86426a75ed99495fc62c9f9bd141cbac8a4357b268c49bae600925e7f38da07e5002d917141f3d7168369f16313faf36e2d83f5b999a711302da347"}, {0x0, 0x11f, 0x401, "51d57df952908abcf5d2e68a"}, {0x0, 0x100, 0xfffffffffffffff9, "3ce29e105bbce34846ee4fb00b62c2dc33d4166206b840f3da52bff65eec39031bf06f47202d432a211d553024cb35e60c549cad79f81452fd4663bc78be5fa4f939cb1a9d7799aa434bf2434ec93f3cc2f42c7b8d64f2162e677bd6e258163bce2d991a606c05e1a89a815541383b57dd61c4accbc413e96be76ea5e8ba2b"}], 0x0, 0x40}, 0x3}, {{&(0x7f0000005e80)=@ethernet={0x306, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, 0x0, &(0x7f0000005fc0)=[{&(0x7f0000005f00)="0d2e246dceaab4679d8e6d38502054dfe1798572942c20027458e74de93f515382a7285df7503cd40cdc9eaee01446a6e5f4ce687167d996f6e47778b188cb453e6eef2f3868a336f4860856f40a01c91ee43e671104fcac0885667ca7f0e455fc9ef356035776dc5055b14b0b8feff965996a6e14b7efce67e1ad9d4424ec00deca867efa9e6a83a09011474c8f5110ec55483512"}], 0x0, &(0x7f0000006000)=[{0x0, 0x0, 0x3, "d908f6dc631b4d2957040bb3a679c7a2e4c2ebaf3c74e8cb732e5963d61712754a4ffc564a8fb3fdfb25c1364763230d7c73c9a9c5f0b2250c48ecde89a3a295f4536f9fa64fac76959e8fcd539166a5cc1281b21b3f6151f38dfc9889bdaa892a9bce59af4cdf7432a7ce1da93606884bacd85ff6ef373fd9e1c79e2a68c825be01a03606a5c25da8ad6250e644936f097cbcdfdd"}], 0x0, 0x20040001}, 0x8}, {{&(0x7f00000060c0)=@pptp={0x18, 0x2, {0x3, @rand_addr=0x5}}, 0x0, &(0x7f00000064c0)=[{&(0x7f0000006140)="5a2260ba36f14cf7c52f978f53bdaaa18a56fd2ee1ce98422f9033f0b9cc5133f16c0f79ef410a1685ae54506fa7156f0642e9929d72b55e41d2a29d026490ce979b838075d0840aa993667862b6484010daa30b1c8c90d698c0ae1548b1e0149fbae1c000858d038f39bd4854a0fcb46d4ab010f87331d3f5be903d4b0655f275da2ff9d8984d1b640057c5899f23dcec2828385c26a9d0e5c01571c4d0cb1ae25ca1f22b7bcc8a7bf7c958e46f94fdc1f5edc7c8b2263443346ee7c09dfd161eb1f49cfa99369af89e7a145436d8"}, {&(0x7f0000006240)="a70e61b98bd5ce06669c218c48defdb4850f26fcb209a75974632a84c5a8351938e62479718a6da43ea0fba2363bf4c16dd627264a4218a1317935ecc6175ec85ab1db8bd12e714ba22bbb74bf1ff971a3e66e32211ae958ed2a41f5a15d10901aef8d36e8f00a5416c5b7493d0c547ebb9a1a68b7f4cc3102da06"}, {&(0x7f00000062c0)="549ff1788a769aa2efe7fa787c5f6250c576574bfc00e28d748c17b16cbe8e31695105ed4ff07ff29dfaa8d100446e64961be7f435e574109d7c3c8bdcb689f68287227c8929a93a70ac3569c6097884e7be8e05ad494f3fa9eeb7f2d4df1df471e6685499a5436f6e3de3799559575f71ef4f509edfc49b7f9330c4315050fb1244722a"}, {&(0x7f0000006380)="43176b6823d944e8fe5496688697045b21c9217606427039be739c435362b86357d5b9da277e6ae6179bc315d06fe123fbb5087297504781aa6d9b8f8a805e2cd28ec5799070242306f03f90f9db4453f6ed72ebd93261361cc7a6d3f4cdb3c591246514cc082fffe22bd8a4969802cb7a6f330845cfa0e6570c6137b34f4f5234b777bc393a7f75f5a7b55a2869d76d60d286764e352700eca7c3a538199442111da77cd07ebdf2809d79caf42f5a0604a0f14b177815b475a77fad84"}, {&(0x7f0000006440)="b5e23f193eef6c8420910607974d0d3452cdd724981f0e49885f8acaaa923e20e8ff5803ffa4b5f4bdaf53a769d926a9d3a82c863719910ec5a9210048c4cfb2ba5a10"}], 0x0, &(0x7f0000006540), 0x0, 0x20000000}, 0x2}], 0x400000000000240, 0x0) 03:33:22 executing program 5 (fault-call:6 fault-nth:11): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:22 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a00000029010000"], 0x8) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:22 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2200}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1900.095621] FAT-fs (loop3): bogus number of reserved sectors 03:33:22 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8911, &(0x7f0000000180)="153f6234488dd25d766070") accept(r0, &(0x7f0000000080)=@nfc_llcp, &(0x7f0000000140)=0x80) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="04"], &(0x7f00000002c0)={0x0, 0x0, [0x0, 0x0, 0xffffffffffffffff]}) syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x7fffffff, 0x40) ioctl$sock_ifreq(r0, 0x89b8, &(0x7f0000000000)={'ipddp0\x00', @ifru_names='bond_slave_1\x00'}) socket$inet6(0xa, 0x5, 0x40) 03:33:22 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000080)={0x10, 0xf50c, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000001400)={0x14, 0x0, 0x0, 0x0, 0x0, {0x1a}}, 0x5a}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f00000030c0)=[{{&(0x7f0000000140)=@in6={0xa, 0x4e23, 0x1, @ipv4, 0x8}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000280)="d2d7d8c1382242781007248a9b1871e98fbdb84ad1b757b9c72a333b1722c353bdc6a64a7e04943cc8236302bdd831879a80e6a84e5a4be09d44ccea774ed6abadfef55795974f514600bc1aeedc38ca1b0a68c6bcb853bb30f0f346c4723e4534bb33766ca1a0b01f559887fcf7fa6edf85d015c57c2ca267628f38f110dec82892112a6f43ab3eaf4d3dc799d1ac5946f670cada78fadbae8e5cbe418a9637ca665463ab8a484177d1891c92fd91f47d8bf9ddac6eccea9a71a990917a8a428cca1954b7196e74bf103ceca3", 0xcd}, {&(0x7f0000000380)="6f42ed98097ac4000f1495a320503d3252183b0976a918945c02e96c256889597ef9106e00487e69d2095d86449a0ffef1a7f9223dcb0053c418b5cbef21c28dee44c59a5188f7cd91c87c3355f1a87dbe387cf10ac3c94fbf0bef15ce7582d90decaa2621b29d0b58d7d5155167c574d758652d87f1c57d19c3f6e8e50ff374a31d0080fe607402f80b4ddccd10f788177c0ea5457d84426c637561859b20086bff0b9e39414fd010", 0xa9}], 0x2, &(0x7f00000001c0)=[{0x18, 0x103, 0x1000, "83"}], 0x18, 0x4}, 0x9}, {{&(0x7f0000000440)=@pptp={0x18, 0x2, {0x3, @multicast2}}, 0x80, &(0x7f0000000200)=[{&(0x7f00000004c0)="c8fc224ff3e3963b863249e4dea2c944e15e8f82aa0a2efea14bfd6c77e729c1ed002ab04a072bf7945f6ba83a2bf9e94e73f9cbbbd17e53003d32649444a405ad1aed1619821008564642d33e15a19c55c2722f02d38cf10d6bf4b5bda21fe385891300630ff62b101bbe22c284cce4858c19b1942be7c9808251a5cb2e78c628f0c79b40fdf8b2e49c5ab1c59fd94671440475f31b57d3ca255eb3af37998d6493b002bc0255f5b55a44967ce1080c10405e17c66319ac36488f8a95f5ddc64c7cde39a340d985091d96e8f43ffa8645cfc6df5c", 0xd5}, {&(0x7f00000005c0)="6d9f9e8c8449eedecf124989a3ce7d17f47329cec680e316e99c7e075292df9ec7ca63b9d00b1ead948242c3dedff04e266d734528aa1220e030c2de07479fc62b7a780e561ce7fe0014d5", 0x4b}], 0x2, &(0x7f0000000640)=[{0x38, 0x11f, 0xffffffffffff9b36, "975cb819f4217c5f9e680e67102ea13e05cc36409eebfc1ee5c88f145dbf96b205835d"}], 0x38, 0x800}, 0x6}, {{&(0x7f0000000680)=@generic={0x13, "9d6f7e67bf6e30fa919dbaab509d4dc758ae9fe1d1ca039fa6dabc6ef4c0e1d8e7081688d11505fe08c67a3f7a0203d22c5ead4d7b1f0cb0b4d5b391841b389018867401b04b3b6b28ff12e088318ce0fab309629be3c6b6ddc4ec147fab5882cc0b111630c19a0e6a4e8550ecd99dbcb8bfc1c1d0a325ecf6565cb56c02"}, 0x80, &(0x7f0000003200)=[{&(0x7f0000000700)="386b3b40dad6eeca897b368cf4ba6f4eca05f81710f862beb348c8c380c2ca9503402353e1e959734a41561f332a9deed5075c8b890c29a0dcfea9772553fe0bb30e3d721acc7464282254e0db0bdeffb55ded2ef9a70c9ba5cccfb8af810ca9a72e08158dc187f98a78143b1666e71e6dd8ab254fe4f1e096e4", 0x7a}, {&(0x7f0000000780)="2eca922bcf28e859b650bf03fe6edc10849e992fb1c699278e", 0x19}, {&(0x7f00000007c0)="e67b963615cca76a9ca34857a0e40d21033964e78501f62ca254260d544f094d7d90a4a027eed0dd4f4fabfdbe1fc9684f263a1c16a1997465c042667c43be35a30dfd706586cdbaf7c6ca9037601692e0ae231eaabcd2ac572dba4df207a837168cb3", 0x63}, {&(0x7f0000000840)="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", 0xfc}, {&(0x7f0000000940)="c045a3c25c2bc3146c462339195edf42db4a4056c29cafce6aac3a2a9d34b31afb912bc830d8ba", 0x27}, {&(0x7f00000032c0)="ba92923c384b0e5d6949571fef89335570", 0x11}, {&(0x7f00000009c0)="7294de55d990418e67267057dc35dc3d09653abc337058918a2d52613430666a93206f9eb2d197b79178d8c918697a97f266137262ff1f00c62f7f26b91d3958b031d9078e90d8f0e2bd277a3c95d25651f9e46cb15900a957161c3b68976426612425f6aeccc234afaa0019450e474bd0c257f611778b2118391b565534d4aff2c55c1c99188d9175fef16962ee925a3e360212bf6ae10797d7849d39b2d26c0cda35fde31680e31b007f59a5bff7ae427625c3b91f7cbc48c50c9ad58a6927", 0xc0}, {&(0x7f0000000a80)="6f0541cd5207557815d244b6a90c0d1dede8f7e86a7f121db9c4b3deb986cd13b8998f02c05ace98d3fb6165b94a54b46ff6eb0b9655fdf4d7b4c89003a2bf19c9543014e7574f9fc6361e17c06a2e678aac074b8e816ecea76d68e8c06b062972721f6b5048a5e262c5d8cbfbf1229bec932063cd47c2ab39cf74a7129cec347902cb11e4470721c86ff7c3c324eedaa8ad0f8db1dbe9ad83b9bde678cf4c5cb29f56edd6a003de4a9bb02fba1cc76cbb4c8c874c43f0483307e8463e10781f5efe014458e28a", 0xc7}, {&(0x7f0000000b80)="2c223bf3f613c8a1a712f044a5fa301c8515ef50d5e10087dfb5cd83f642738b3ac0f9864f7ac34cfdfab6800c2439c11683dc06832aaf20e18fa93dfa4e70b6d5fb22da5e8cd7e809f5444ae63f516c161c068db0f4dca99faace0f8667aa651791ee5c57e1015034f4b280af74e8ef991f3d45df5d0d528ca6df9a8ced02aaa49ce622a728b84e509785524b1eaa18f8a522e72b730b4d09330ea2edb5f1e187c7c70247506ac834bc1a1fb2521c8c620d7e15ecb3c7b5c3f91d03e9d365cc62b1e05eaa499ec359ea016d", 0xcc}, {&(0x7f0000000c80)="bc11b735580243b438ee9ef5d74c408ab895faf0de0a089023f7e77703f364137a021ac2da8c651e8ce34419c51cb9619d828038a523ea815e1e020a8862b1628d0584d26cccfda2597a98f4ae6c1f36c6eedc67e93542935a87880ce49f32ab0af060211dac45288f0e32a961812569470961549f5d7a3c26ac03a8e35850a3a48a85ede7367a25ef759a6a433c4fa140", 0x91}], 0xa, &(0x7f0000000e00)=[{0x70, 0x0, 0x81, "37849dc99254c417d01810b3ff091aa7e64861b46ba3162dcf48eea4a626c38d14cc8608e9172df91ca29edbcb60f0efcfa1b12f05185b023674b320bfa77aa5bf414d941500eaf9cbf416e9b7854e7df11c58d3ca5caab2c05a4e1b"}, {0x88, 0x100, 0x5, "749ecfd74141510d4293b0d3d12263bf8df0bc837d1f63a6f3aef2a05666f7087c7ab08f482f1ce6552aec46fd0be57679f83fefb18bdc705689d645941c25da9ded4c70024a11a92a205a50c8a9c14774abb1e62b73de5befd8f4ad67abb345e7e1e9475e2910c2eace5b3aaa7de9896792b5175b759aa9"}], 0xf8, 0x4}, 0x1}, {{&(0x7f0000000f00)=@un=@abs={0x1, 0x0, 0x4e20}, 0x80, &(0x7f0000001280)=[{&(0x7f0000000f80)}, {&(0x7f0000001440)="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{&(0x7f00000027c0)="8893f6648302693eeb7f738a71274b97723de5a4885347fdae8844e6189a2e953419d30a6f790d5b595a86fc6b3f831c24d5ad8a8c6fb48ce2f3db025d1a1bd320bbfc407efbea438cc0d40b737f38d1e5c2e93c367c3d4fe1fbd2eb79a077e69a4273ccf643c2a1527b63b4bd579ee82deeb716942351c2e1f0ebf1d3a8f8ebf98dab805ff77c3cdacffc72b848a86a3c3dd499875cfbf87499fa5d05bda795dfe467bc37585d962beb1a6825c383018932fa5f5a743b5e24d07d4f70fc888fdbb7cf", 0xc3}, {&(0x7f00000013c0)="a10be332de4e638aec981e6c8830617ad0e576d8871b83f8207cd8639286d906aea7af669e11eda6132ebf", 0x2b}, {&(0x7f00000028c0)="ef01e741b0aebec85dd98c6d16a05e759dea4ec7a42b36944edb666fd78b2e843f6e4c909a73c982089be444a990cba88333d01e8cea188e43125271a62db5118f379c4179bf3003196ccda85e8daff9ed46f25a88bf846e4a076e93fe0c0423d1c69fd3fd884934d3c3031e2c1ca299a510550ead2a57", 0x77}, {&(0x7f0000002940)="1447b93807d111410b10a4993e3ad8d9a1d63426d724956799cec263592b132908a228fbe9ee6080b6b26335ac0300f4cd771d7eddde2be8a88c9a8c93a61f00a85131c7a872b0afcc95bdda4bba8fea09b54bd9fcf85a6b2fd963c5f4091932c56f3ac1c67692ed9684f2a5cc3b3a41f5dd5bb679a24edeef461e7ed56e102de89cde991aeaf42fa979afd3122b6a1ec4154cb58f338b8f956308062ee68e40ee2234a7782abd97a4462f11a43dc96fd1f7598dcbec121b6cb8851ef9a3c492f3b0c8", 0xc3}, {&(0x7f0000002a40)="ad64c68ba8a75d1ec9213658ab4ebfd468edf689f1a8671cb19ae229459cc05481c0ac3dd1d8678e089ccaf626f47188253b048a527012ba5c1e5a765b12c12aecec0d0496f21170ecae5948618d", 0x4e}, {&(0x7f0000002ac0)="1e9d646a2a95a97a5bf5c5ace2b1649449f47cc19d66b6462ffd285e243c67ea4ac443733741208339c5b23a07ba145b683889886c780c4696e74394a4939fb573501e11208e09122dd2", 0x4a}], 0x9, &(0x7f0000002c00)=[{0x10, 0x7, 0x400}, {0xc0, 0x1ff, 0xfffffffffffffffb, "321b304f00ff4ad664df19dbdb2cb7c3c7814556514251c6d465ca3b38eeee1f4e474715eaa8c6eeba3486569ee316cfcada04eba8565fa387780e5f08c7b507f063e2bd2d66e200e2900d397d9be50ecb135b5406545b0c76f147b94bc4dd4ff6c739c6aed64f2ea638b071c4f53d08f9c9a3125e3fd0885168086cb66a6f0ca2815479b0f672cb9ffe1cf31a564062040726bb455ebd0b9aeeae8155823e20ff76179ed2aee66016239a"}, {0xb0, 0x108, 0xfffffffffffffff9, "ab86a47c3b460cb0beb4c3fb3462480e2e891ec1cbbc6b14e38657f2cfdca05f24b077e6b4e0bef9d05adea07b9b75a5e0c183f5b74f5b67e2b304075e7a2786f8b57af075237acbf1bab445b9e6d4a1a624c28da600f21878505ac9b0f80e7be9a7d771f173c0fbdcd508f58f2ab707010ee783afb085cb22f7a36b28443f6f56d8a0527f298f70d0a8850a8ba07a7e96ece3952d44499949bd9263a6dc85"}, {0x98, 0x107, 0x80000001, "82ec652d454936fdd5bc4a0472246989f29cac576d513e6bb337ad6696ff05e4603ca141ced0f6e316b7620c4536253b6765304d418bcb622b51bef8bfb7ac49f02bd2347468a92448b3414bcc4b76b896cc4e36ec06bfa57052bf8ab6df49f9714af013b05e5f57c37654a3d4154d89aaeaefa5ea6e4933147132de77c8333efdb20491"}, {0xb8, 0x1, 0x800, "29a33f2dbe12c0c47e25ed204df9d6c3d878b0ea10dfbcd0ed323c8edbdac0fbeee3126af54ebfec6a6835c5e72075513d0395d16b0d69e4213160dd69800691c3189c9a22c96d7a512df9a43eb997f8f52f466e18d55b1b84e96ba137f24182ee6682f0cdc6e88dc15d378445c8cd7df5f0ae93f6dd8457e2ba08393c41a8016e4c0332bc7f889bfdd23a86863c601288d73ae3c14115182c26e8bd03057916d4af3b418cea252f"}, {0x100, 0x13e, 0x10021, "7aa86dcc45bc5ef7765b9dbb150486273ac9c4b69b39fafa979128c6ae5e0614e4c256ee4ca802304eac1d51f23bed0372ef2ee8a92c7ec1593e84592b2c3f6855e1e015d2138d25f8ce08954204d9bfd6654a57cca3bc5a1bd2e9c9291957cc90c1a6249448884efb0f1ec72ccb0cc6af8a42746a6e829a8c9974beea1875b3047d490b2c34f131fc03fca830d37172cb311a5b08e6409c6250617064933810c7aa2efd47e54800a59c4afdfd8dc1959ece1095755f8e1b02e3fc37342069c46f6c0d4f4e0438775d411dd7bfa1a6a171c72c2e53ac7cf9371d7d0963db2deac38096828082ea0b515f58b5f400"}, {0xf0, 0x3b, 0x7fffffff, "3bdbbb0b8112132f98d30f5c5eca7f8fd2a8cdfa85ff96eca622da4121e01fa87b32cb7070c79972e53e6c1e001b1b625ab57366232e0925f90e983053917d8e937dbcd368d2459f0b38c4f87f7aebbf5c7980f321440c66900b4ddda518f9c115384d28808a920b0def89a5928a8095774f43d35066177653d33f2e44088f111ddfbc240ee106eabf1156afda221fa8d9bd60214db05e7c5e1269f92f41fa5b346578ff1764cf69e0ac90460a7a04b092524ad08c2853eb673241d66875c3aee79da0516ebb43d1033a69dbfdd2df499e16b8845cd7758514ec58edaf7f21"}], 0x4c0, 0x80}, 0x1}], 0x5, 0x0) [ 1900.136208] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1900.166589] FAULT_INJECTION: forcing a failure. [ 1900.166589] name failslab, interval 1, probability 0, space 0, times 0 [ 1900.211975] CPU: 1 PID: 7816 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1900.219203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1900.219209] Call Trace: [ 1900.219232] dump_stack+0x1c4/0x2b4 [ 1900.219254] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1900.234849] should_fail.cold.4+0xa/0x17 [ 1900.234869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1900.241127] FAT-fs (loop3): bogus number of reserved sectors [ 1900.244122] ? perf_trace_lock_acquire+0x15b/0x800 [ 1900.244150] ? __radix_tree_replace+0x258/0x3c0 [ 1900.244171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1900.251343] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1900.255077] ? node_tag_clear+0xc2/0x1c0 [ 1900.255101] ? fs_reclaim_acquire+0x20/0x20 [ 1900.255116] ? lock_downgrade+0x900/0x900 [ 1900.255136] ? ___might_sleep+0x1ed/0x300 [ 1900.261542] overlayfs: filesystem on './file0' not supported as upperdir [ 1900.264730] ? arch_local_save_flags+0x40/0x40 [ 1900.264748] ? p9_idpool_get+0x4a/0x90 [ 1900.264772] __should_failslab+0x124/0x180 [ 1900.284601] should_failslab+0x9/0x14 [ 1900.284620] __kmalloc_track_caller+0x2d0/0x750 [ 1900.284631] ? idr_alloc_u32+0x3f0/0x3f0 [ 1900.284650] ? do_raw_spin_lock+0xc1/0x200 [ 1900.292949] ? p9_client_create+0x483/0x160a [ 1900.292967] kstrdup+0x39/0x70 [ 1900.292981] p9_client_create+0x483/0x160a [ 1900.293002] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1900.346964] ? p9_client_read+0xc70/0xc70 [ 1900.351134] ? fs_reclaim_acquire+0x20/0x20 [ 1900.355476] ? lock_downgrade+0x900/0x900 [ 1900.359651] ? __lockdep_init_map+0x105/0x590 [ 1900.364168] ? lockdep_init_map+0x9/0x10 [ 1900.364183] ? kasan_check_write+0x14/0x20 [ 1900.364199] ? __init_rwsem+0x1cc/0x2a0 [ 1900.372511] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1900.372521] ? kasan_kmalloc+0xc7/0xe0 [ 1900.372543] ? save_stack+0xa9/0xd0 [ 1900.389031] ? save_stack+0x43/0xd0 [ 1900.392678] ? memcpy+0x45/0x50 [ 1900.395990] v9fs_session_init+0x217/0x1a70 [ 1900.400350] ? v9fs_show_options+0x7e0/0x7e0 [ 1900.404778] ? lock_downgrade+0x900/0x900 [ 1900.408954] ? ___might_sleep+0x1ed/0x300 [ 1900.413122] ? trace_hardirqs_on+0xbd/0x310 [ 1900.417461] ? v9fs_mount+0x62/0x8f0 [ 1900.421197] ? kasan_unpoison_shadow+0x35/0x50 [ 1900.425802] ? kasan_kmalloc+0xc7/0xe0 [ 1900.429718] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1900.434584] ? free_pages+0x44/0x50 [ 1900.438237] v9fs_mount+0x7d/0x8f0 [ 1900.441827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1900.447391] mount_fs+0xae/0x31d [ 1900.450792] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1900.455394] ? may_umount+0xb0/0xb0 [ 1900.455409] ? _raw_read_unlock+0x2c/0x50 [ 1900.455422] ? __get_fs_type+0x97/0xc0 [ 1900.455445] do_mount+0x581/0x31f0 [ 1900.463218] ? copy_mount_string+0x40/0x40 [ 1900.463237] ? kasan_unpoison_shadow+0x35/0x50 [ 1900.463250] ? kasan_kmalloc+0xc7/0xe0 [ 1900.463292] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1900.488309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1900.493876] ? _copy_from_user+0xdf/0x150 [ 1900.498056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1900.503616] ? copy_mount_options+0x288/0x380 [ 1900.508136] ksys_mount+0x12d/0x140 [ 1900.511805] __x64_sys_mount+0xbe/0x150 [ 1900.515805] do_syscall_64+0x1b9/0x820 [ 1900.519706] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1900.525094] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1900.530044] ? trace_hardirqs_on_caller+0x310/0x310 [ 1900.535082] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1900.540109] ? recalc_sigpending_tsk+0x180/0x180 [ 1900.544922] ? kasan_check_write+0x14/0x20 [ 1900.549172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1900.554044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1900.559233] RIP: 0033:0x457579 [ 1900.562443] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1900.581342] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1900.589048] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1900.596317] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1900.603627] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:22 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:22 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000040)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f0000000080)) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x12000, 0x0) getsockopt$bt_BT_RCVMTU(r1, 0x112, 0xd, &(0x7f00000000c0)=0xca8c, &(0x7f0000000100)=0x2) 03:33:22 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:22 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000000)={0x1000, {{0xa, 0x4e22, 0x4, @ipv4, 0x3f}}}, 0x88) 03:33:23 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xffffffffa0018000}}, 0x24, 0x0) 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB], 0x0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1900.610890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1900.618153] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:23 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) getsockopt$inet_dccp_int(r1, 0x21, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) ioctl$PPPIOCGFLAGS(r1, 0x8004745a, &(0x7f00000000c0)) 03:33:23 executing program 5 (fault-call:6 fault-nth:12): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:23 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x1189b226b5af2b0, 0x0) 03:33:23 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5ede}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB='*\x00\x00\x00'], 0x4) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:23 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='veno\x00', 0x5) r1 = openat(0xffffffffffffffff, 0xfffffffffffffffe, 0x140, 0x4c) ioctl$EVIOCRMFF(r1, 0x40044581, &(0x7f0000000040)=0x4) [ 1900.784250] FAULT_INJECTION: forcing a failure. [ 1900.784250] name failslab, interval 1, probability 0, space 0, times 0 [ 1900.819131] CPU: 1 PID: 7859 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1900.822539] FAT-fs (loop3): bogus number of reserved sectors [ 1900.826356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1900.826362] Call Trace: [ 1900.826384] dump_stack+0x1c4/0x2b4 [ 1900.826405] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1900.842709] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1900.844176] should_fail.cold.4+0xa/0x17 [ 1900.844196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1900.868066] ? perf_trace_lock_acquire+0x15b/0x800 [ 1900.873046] ? __radix_tree_replace+0x258/0x3c0 [ 1900.877754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1900.883369] ? node_tag_clear+0xc2/0x1c0 [ 1900.887461] ? fs_reclaim_acquire+0x20/0x20 [ 1900.891802] ? lock_downgrade+0x900/0x900 [ 1900.895978] ? ___might_sleep+0x1ed/0x300 [ 1900.900146] ? arch_local_save_flags+0x40/0x40 [ 1900.904748] ? p9_idpool_get+0x4a/0x90 [ 1900.908822] __should_failslab+0x124/0x180 [ 1900.908850] should_failslab+0x9/0x14 [ 1900.916875] __kmalloc_track_caller+0x2d0/0x750 [ 1900.916888] ? idr_alloc_u32+0x3f0/0x3f0 [ 1900.916908] ? do_raw_spin_lock+0xc1/0x200 [ 1900.929870] ? p9_client_create+0x483/0x160a 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB='*\x00\x00\x00'], 0x4) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB='*\x00\x00\x00'], 0x4) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1900.934305] kstrdup+0x39/0x70 [ 1900.937524] p9_client_create+0x483/0x160a [ 1900.941787] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1900.947609] ? p9_client_read+0xc70/0xc70 [ 1900.951785] ? fs_reclaim_acquire+0x20/0x20 [ 1900.956136] ? lock_downgrade+0x900/0x900 [ 1900.960303] ? __lockdep_init_map+0x105/0x590 [ 1900.964813] ? lockdep_init_map+0x9/0x10 [ 1900.968892] ? kasan_check_write+0x14/0x20 [ 1900.973137] ? __init_rwsem+0x1cc/0x2a0 [ 1900.973158] ? do_raw_write_unlock.cold.8+0x49/0x49 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1900.973170] ? kasan_kmalloc+0xc7/0xe0 [ 1900.973187] ? save_stack+0xa9/0xd0 [ 1900.973198] ? save_stack+0x43/0xd0 [ 1900.973232] ? memcpy+0x45/0x50 [ 1900.982264] v9fs_session_init+0x217/0x1a70 [ 1900.982296] ? v9fs_show_options+0x7e0/0x7e0 [ 1901.005415] ? lock_downgrade+0x900/0x900 [ 1901.009591] ? ___might_sleep+0x1ed/0x300 [ 1901.013767] ? trace_hardirqs_on+0xbd/0x310 [ 1901.018107] ? v9fs_mount+0x62/0x8f0 [ 1901.021844] ? kasan_unpoison_shadow+0x35/0x50 [ 1901.026444] ? kasan_kmalloc+0xc7/0xe0 [ 1901.030349] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1901.035225] ? free_pages+0x44/0x50 [ 1901.035251] v9fs_mount+0x7d/0x8f0 [ 1901.035269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1901.042428] mount_fs+0xae/0x31d [ 1901.042450] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1901.042465] ? may_umount+0xb0/0xb0 [ 1901.042483] ? _raw_read_unlock+0x2c/0x50 [ 1901.064195] ? __get_fs_type+0x97/0xc0 [ 1901.068132] do_mount+0x581/0x31f0 [ 1901.071705] ? copy_mount_string+0x40/0x40 [ 1901.075968] ? kasan_unpoison_shadow+0x35/0x50 [ 1901.080617] ? kasan_kmalloc+0xc7/0xe0 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1901.084548] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1901.089416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1901.095256] ? _copy_from_user+0xdf/0x150 [ 1901.099436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1901.104991] ? copy_mount_options+0x288/0x380 [ 1901.109507] ksys_mount+0x12d/0x140 [ 1901.113149] __x64_sys_mount+0xbe/0x150 [ 1901.113169] do_syscall_64+0x1b9/0x820 [ 1901.113185] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1901.113217] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1901.113240] ? trace_hardirqs_on_caller+0x310/0x310 [ 1901.121107] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1901.121123] ? recalc_sigpending_tsk+0x180/0x180 [ 1901.121139] ? kasan_check_write+0x14/0x20 [ 1901.150537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1901.155497] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1901.160706] RIP: 0033:0x457579 [ 1901.163924] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1901.182834] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1901.182850] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1901.182859] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1901.182868] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1901.182875] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1901.182883] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:23 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xebffffff00000000}}, 0x24, 0x0) 03:33:23 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:23 executing program 5 (fault-call:6 fault-nth:13): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:23 executing program 1: prctl$setfpexc(0xc, 0x100003) r0 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x3f, 0x2) ioctl$SG_GET_NUM_WAITING(r0, 0x227d, &(0x7f0000000040)) r1 = socket$inet6(0xa, 0x801, 0x0) ioctl(r1, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f00000000c0)={'gretap0\x00', {0x2, 0x4e20, @multicast1}}) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) getsockopt$inet6_tcp_buf(r1, 0x6, 0x3f, &(0x7f0000000140)=""/252, &(0x7f0000000080)=0xfc) [ 1901.254323] FAT-fs (loop3): bogus number of reserved sectors [ 1901.262597] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1901.290299] overlayfs: filesystem on './file0' not supported as upperdir [ 1901.349562] FAULT_INJECTION: forcing a failure. [ 1901.349562] name failslab, interval 1, probability 0, space 0, times 0 [ 1901.374044] CPU: 0 PID: 7901 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1901.381274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1901.390642] Call Trace: [ 1901.393239] dump_stack+0x1c4/0x2b4 [ 1901.396872] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1901.402070] should_fail.cold.4+0xa/0x17 [ 1901.406131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1901.411231] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1901.416248] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 1901.421000] ? is_bpf_text_address+0xac/0x170 [ 1901.425557] ? fs_reclaim_acquire+0x20/0x20 [ 1901.429869] ? lock_downgrade+0x900/0x900 [ 1901.434007] ? ___might_sleep+0x1ed/0x300 [ 1901.438139] ? arch_local_save_flags+0x40/0x40 [ 1901.442707] ? __kernel_text_address+0xd/0x40 [ 1901.447206] __should_failslab+0x124/0x180 [ 1901.451458] should_failslab+0x9/0x14 [ 1901.455247] __kmalloc_track_caller+0x2d0/0x750 [ 1901.459900] ? save_stack+0xa9/0xd0 [ 1901.463524] ? parse_opts+0x176/0x510 [ 1901.467312] kstrdup+0x39/0x70 [ 1901.470488] parse_opts+0x176/0x510 [ 1901.474100] ? trace_hardirqs_off+0xb8/0x310 [ 1901.478495] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1901.482904] ? p9_fd_poll+0x2b0/0x2b0 [ 1901.486705] ? kasan_check_write+0x14/0x20 [ 1901.490930] ? trace_hardirqs_off+0xb8/0x310 [ 1901.495326] ? trace_hardirqs_on+0x310/0x310 [ 1901.499718] ? debug_check_no_obj_freed+0x305/0x58d [ 1901.504721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1901.510240] ? check_preemption_disabled+0x48/0x200 [ 1901.515247] p9_fd_create+0x8b/0x3f0 [ 1901.518941] ? p9_fd_show_options+0x1c0/0x1c0 [ 1901.523426] ? p9_client_create+0x7c3/0x160a [ 1901.527825] p9_client_create+0x866/0x160a [ 1901.532046] ? p9_client_read+0xc70/0xc70 [ 1901.536195] ? fs_reclaim_acquire+0x20/0x20 [ 1901.540507] ? lock_downgrade+0x900/0x900 [ 1901.544643] ? __lockdep_init_map+0x105/0x590 [ 1901.549125] ? lockdep_init_map+0x9/0x10 [ 1901.553176] ? kasan_check_write+0x14/0x20 [ 1901.557400] ? __init_rwsem+0x1cc/0x2a0 [ 1901.561359] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1901.566361] ? kasan_kmalloc+0xc7/0xe0 [ 1901.570237] ? save_stack+0x43/0xd0 [ 1901.573848] ? memcpy+0x45/0x50 [ 1901.577117] v9fs_session_init+0x217/0x1a70 [ 1901.581449] ? v9fs_show_options+0x7e0/0x7e0 [ 1901.585848] ? lock_downgrade+0x900/0x900 [ 1901.589983] ? ___might_sleep+0x1ed/0x300 [ 1901.594118] ? trace_hardirqs_on+0xbd/0x310 [ 1901.598423] ? v9fs_mount+0x62/0x8f0 [ 1901.602121] ? kasan_unpoison_shadow+0x35/0x50 [ 1901.606692] ? kasan_kmalloc+0xc7/0xe0 [ 1901.610570] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1901.615401] ? free_pages+0x44/0x50 [ 1901.619048] v9fs_mount+0x7d/0x8f0 [ 1901.622580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1901.628109] mount_fs+0xae/0x31d [ 1901.631470] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1901.636051] ? may_umount+0xb0/0xb0 [ 1901.639695] ? _raw_read_unlock+0x2c/0x50 [ 1901.643839] ? __get_fs_type+0x97/0xc0 [ 1901.647719] do_mount+0x581/0x31f0 [ 1901.651252] ? copy_mount_string+0x40/0x40 [ 1901.655477] ? kasan_unpoison_shadow+0x35/0x50 [ 1901.660048] ? kasan_kmalloc+0xc7/0xe0 [ 1901.663928] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1901.668762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1901.674320] ? _copy_from_user+0xdf/0x150 [ 1901.678464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1901.684179] ? copy_mount_options+0x288/0x380 [ 1901.688674] ksys_mount+0x12d/0x140 [ 1901.692299] __x64_sys_mount+0xbe/0x150 [ 1901.696272] do_syscall_64+0x1b9/0x820 [ 1901.700172] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1901.705530] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1901.710452] ? trace_hardirqs_on_caller+0x310/0x310 [ 1901.715461] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1901.720467] ? recalc_sigpending_tsk+0x180/0x180 [ 1901.725223] ? kasan_check_write+0x14/0x20 [ 1901.729459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1901.734299] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1901.739479] RIP: 0033:0x457579 [ 1901.742663] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1901.761561] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1901.769364] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1901.776624] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1901.783919] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1901.791181] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1901.798449] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1901.809432] 9pnet: Insufficient options for proto=fd 03:33:24 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey\x00', 0x2000, 0x0) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000000140)={0x0, @broadcast, @rand_addr}, &(0x7f0000000180)=0xc) ioctl$HCIINQUIRY(r2, 0x800448f0, &(0x7f00000001c0)={r3, 0x100000000, 0x4, 0x2, 0x20, 0x9, 0x240000}) 03:33:24 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde62}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:24 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7, 0x10800) ioctl$TIOCLINUX5(r1, 0x541c, &(0x7f0000000040)={0x5, 0x7, 0x8, 0x1f, 0x1800000000000000}) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:33:24 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:24 executing program 5 (fault-call:6 fault-nth:14): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1901.851255] FAT-fs (loop3): bogus number of reserved sectors [ 1901.857850] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:24 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) r1 = syz_open_dev$admmidi(&(0x7f0000000000)='/dev/admmidi#\x00', 0x9, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x2, 0xa}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(r1, &(0x7f00000000c0)={0x4, 0x8, 0xfa00, {r2, 0xffffffff00000001}}, 0x10) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) [ 1901.918516] FAULT_INJECTION: forcing a failure. [ 1901.918516] name failslab, interval 1, probability 0, space 0, times 0 [ 1901.942556] CPU: 1 PID: 7921 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1901.944430] FAT-fs (loop3): bogus number of reserved sectors [ 1901.949779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1901.949785] Call Trace: [ 1901.949812] dump_stack+0x1c4/0x2b4 [ 1901.949835] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1901.967571] should_fail.cold.4+0xa/0x17 [ 1901.976379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1901.976402] ? perf_trace_lock_acquire+0x15b/0x800 [ 1901.976446] ? __radix_tree_replace+0x258/0x3c0 [ 1901.981514] overlayfs: filesystem on './file0' not supported as upperdir [ 1901.985585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1901.985601] ? node_tag_clear+0xc2/0x1c0 [ 1901.985623] ? fs_reclaim_acquire+0x20/0x20 [ 1901.985648] ? lock_downgrade+0x900/0x900 [ 1901.996837] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1902.002062] ? ___might_sleep+0x1ed/0x300 [ 1902.002079] ? arch_local_save_flags+0x40/0x40 [ 1902.002094] ? p9_idpool_get+0x4a/0x90 [ 1902.002130] __should_failslab+0x124/0x180 [ 1902.042838] should_failslab+0x9/0x14 [ 1902.046842] __kmalloc_track_caller+0x2d0/0x750 [ 1902.051506] ? idr_alloc_u32+0x3f0/0x3f0 [ 1902.055565] ? do_raw_spin_lock+0xc1/0x200 [ 1902.059906] ? p9_client_create+0x483/0x160a [ 1902.064308] kstrdup+0x39/0x70 [ 1902.067497] p9_client_create+0x483/0x160a [ 1902.071728] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1902.077523] ? p9_client_read+0xc70/0xc70 [ 1902.081669] ? fs_reclaim_acquire+0x20/0x20 [ 1902.085983] ? lock_downgrade+0x900/0x900 [ 1902.090134] ? __lockdep_init_map+0x105/0x590 [ 1902.094627] ? lockdep_init_map+0x9/0x10 [ 1902.098688] ? kasan_check_write+0x14/0x20 [ 1902.102914] ? __init_rwsem+0x1cc/0x2a0 [ 1902.106881] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1902.111888] ? kasan_kmalloc+0xc7/0xe0 [ 1902.115771] ? save_stack+0xa9/0xd0 [ 1902.119388] ? save_stack+0x43/0xd0 [ 1902.123005] ? memcpy+0x45/0x50 [ 1902.126281] v9fs_session_init+0x217/0x1a70 [ 1902.130606] ? v9fs_show_options+0x7e0/0x7e0 [ 1902.135006] ? lock_downgrade+0x900/0x900 [ 1902.139152] ? ___might_sleep+0x1ed/0x300 [ 1902.143301] ? trace_hardirqs_on+0xbd/0x310 [ 1902.147617] ? v9fs_mount+0x62/0x8f0 [ 1902.151325] ? kasan_unpoison_shadow+0x35/0x50 [ 1902.155898] ? kasan_kmalloc+0xc7/0xe0 [ 1902.159781] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1902.164636] ? free_pages+0x44/0x50 [ 1902.168264] v9fs_mount+0x7d/0x8f0 [ 1902.171799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1902.177334] mount_fs+0xae/0x31d [ 1902.180698] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1902.185277] ? may_umount+0xb0/0xb0 [ 1902.188898] ? _raw_read_unlock+0x2c/0x50 [ 1902.193064] ? __get_fs_type+0x97/0xc0 [ 1902.196945] do_mount+0x581/0x31f0 [ 1902.200475] ? kasan_check_read+0x11/0x20 [ 1902.204617] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1902.209024] ? copy_mount_string+0x40/0x40 [ 1902.213800] ? kasan_check_write+0x14/0x20 [ 1902.218030] ? kasan_unpoison_shadow+0x35/0x50 [ 1902.222602] ? kasan_kmalloc+0xc7/0xe0 [ 1902.226489] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1902.231331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1902.236868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1902.242403] ? copy_mount_options+0x288/0x380 [ 1902.246894] ksys_mount+0x12d/0x140 [ 1902.250518] __x64_sys_mount+0xbe/0x150 [ 1902.254490] do_syscall_64+0x1b9/0x820 [ 1902.258373] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1902.263730] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1902.268653] ? trace_hardirqs_on_caller+0x310/0x310 [ 1902.273660] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1902.278666] ? recalc_sigpending_tsk+0x180/0x180 [ 1902.283413] ? kasan_check_write+0x14/0x20 [ 1902.287645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1902.292484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1902.297667] RIP: 0033:0x457579 [ 1902.300856] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 03:33:24 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") lremovexattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@random={'osx.', 'keyringvmnet0-\x00'}) ioctl$KVM_RUN(r0, 0xae80, 0x0) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) [ 1902.319747] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1902.327450] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1902.334709] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1902.341971] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1902.349229] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1902.356492] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:24 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:24 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf0ffff}}, 0x24, 0x0) 03:33:24 executing program 5 (fault-call:6 fault-nth:15): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:24 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde54}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:24 executing program 1: r0 = socket$inet6(0xa, 0x7fc, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) syncfs(r0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio\x00', 0x100, 0x0) setsockopt$RDS_RECVERR(r1, 0x114, 0x5, &(0x7f0000000040), 0x4) [ 1902.520413] FAULT_INJECTION: forcing a failure. [ 1902.520413] name failslab, interval 1, probability 0, space 0, times 0 [ 1902.531989] CPU: 0 PID: 7947 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1902.539195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1902.548556] Call Trace: [ 1902.551171] dump_stack+0x1c4/0x2b4 [ 1902.554821] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1902.554849] should_fail.cold.4+0xa/0x17 [ 1902.554869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1902.564136] ? save_stack+0xa9/0xd0 [ 1902.564150] ? save_stack+0x43/0xd0 [ 1902.564160] ? __kasan_slab_free+0x102/0x150 [ 1902.564172] ? kfree+0xcf/0x230 [ 1902.564185] ? match_number.isra.0+0x19b/0x280 [ 1902.564196] ? match_int+0x23/0x30 [ 1902.564206] ? parse_opts+0x32e/0x510 [ 1902.564220] ? p9_fd_create+0x8b/0x3f0 [ 1902.572931] ? p9_client_create+0x866/0x160a [ 1902.572948] ? v9fs_session_init+0x217/0x1a70 [ 1902.572963] ? mount_fs+0xae/0x31d [ 1902.572976] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1902.572991] ? do_mount+0x581/0x31f0 [ 1902.581043] ? ksys_mount+0x12d/0x140 [ 1902.581080] ? fs_reclaim_acquire+0x20/0x20 [ 1902.588948] ? lock_downgrade+0x900/0x900 [ 1902.588968] ? ___might_sleep+0x1ed/0x300 [ 1902.596286] ? arch_local_save_flags+0x40/0x40 [ 1902.596311] __should_failslab+0x124/0x180 [ 1902.604575] should_failslab+0x9/0x14 [ 1902.604590] __kmalloc+0x2d4/0x760 [ 1902.604609] ? match_number.isra.0+0xbf/0x280 [ 1902.604626] match_number.isra.0+0xbf/0x280 [ 1902.604642] ? match_strdup+0xa0/0xa0 [ 1902.612651] ? match_wildcard+0x3c0/0x3c0 [ 1902.612672] match_int+0x23/0x30 [ 1902.612686] parse_opts+0x32e/0x510 [ 1902.612703] ? p9_fd_poll+0x2b0/0x2b0 [ 1902.621166] ? kasan_check_write+0x14/0x20 [ 1902.621185] ? trace_hardirqs_off+0xb8/0x310 [ 1902.629288] ? trace_hardirqs_on+0x310/0x310 [ 1902.629307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1902.685475] ? check_preemption_disabled+0x48/0x200 [ 1902.694270] p9_fd_create+0x8b/0x3f0 [ 1902.694283] ? p9_fd_show_options+0x1c0/0x1c0 [ 1902.694302] ? p9_client_create+0x7c3/0x160a [ 1902.694319] p9_client_create+0x866/0x160a [ 1902.694342] ? p9_client_read+0xc70/0xc70 [ 1902.725844] ? fs_reclaim_acquire+0x20/0x20 [ 1902.730161] ? lock_downgrade+0x900/0x900 [ 1902.734304] ? __lockdep_init_map+0x105/0x590 [ 1902.738790] ? lockdep_init_map+0x9/0x10 [ 1902.742842] ? kasan_check_write+0x14/0x20 [ 1902.747078] ? __init_rwsem+0x1cc/0x2a0 [ 1902.751055] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1902.756085] ? kasan_kmalloc+0xc7/0xe0 [ 1902.759967] ? save_stack+0x43/0xd0 [ 1902.763616] ? memcpy+0x45/0x50 [ 1902.766896] v9fs_session_init+0x217/0x1a70 [ 1902.771244] ? v9fs_show_options+0x7e0/0x7e0 [ 1902.775646] ? lock_downgrade+0x900/0x900 [ 1902.779784] ? ___might_sleep+0x1ed/0x300 [ 1902.783926] ? trace_hardirqs_on+0xbd/0x310 [ 1902.788234] ? v9fs_mount+0x62/0x8f0 [ 1902.791936] ? kasan_unpoison_shadow+0x35/0x50 [ 1902.796513] ? kasan_kmalloc+0xc7/0xe0 [ 1902.800393] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1902.805313] ? free_pages+0x44/0x50 [ 1902.808937] v9fs_mount+0x7d/0x8f0 [ 1902.812473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1902.818003] mount_fs+0xae/0x31d [ 1902.821364] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1902.825934] ? may_umount+0xb0/0xb0 [ 1902.829549] ? _raw_read_unlock+0x2c/0x50 [ 1902.833685] ? __get_fs_type+0x97/0xc0 [ 1902.837563] do_mount+0x581/0x31f0 [ 1902.841096] ? copy_mount_string+0x40/0x40 [ 1902.845323] ? kasan_unpoison_shadow+0x35/0x50 [ 1902.849896] ? kasan_kmalloc+0xc7/0xe0 [ 1902.853814] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1902.858647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1902.864174] ? _copy_from_user+0xdf/0x150 [ 1902.868314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1902.873841] ? copy_mount_options+0x288/0x380 [ 1902.878347] ksys_mount+0x12d/0x140 [ 1902.881965] __x64_sys_mount+0xbe/0x150 [ 1902.885930] do_syscall_64+0x1b9/0x820 [ 1902.889805] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1902.895193] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1902.900117] ? trace_hardirqs_on_caller+0x310/0x310 [ 1902.905158] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1902.910166] ? recalc_sigpending_tsk+0x180/0x180 [ 1902.914911] ? kasan_check_write+0x14/0x20 [ 1902.919169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1902.924009] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1902.929196] RIP: 0033:0x457579 [ 1902.932397] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1902.951303] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 03:33:25 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000300)={0x10, 0xf50c}, 0x8, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0x14}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f0000000200)=@nbd={'/dev/nbd'}, &(0x7f0000000c40)='./file0\x00', &(0x7f0000000c80)='devtmpfs\x00', 0x0, &(0x7f0000000380)='md5sum/procposix_acl_accessvmnet0eth1self@mime_typelo\x00') r2 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x6, 0x4000) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000140)={0x0, @in6={{0xa, 0x4e24, 0x8, @dev={0xfe, 0x80, [], 0xc}, 0x7}}, 0x80000001, 0x200, 0x1, 0x101, 0x90}, &(0x7f00000000c0)=0x98) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000200)={r3, 0x748}, &(0x7f0000000280)=0xc) 03:33:25 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:25 executing program 1: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock\x00', 0xc0082, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000300)={{{@in6=@dev, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in6=@local}}, &(0x7f0000000100)=0xe8) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000200)={@local, @mcast1, @empty, 0x4, 0x5, 0xffff, 0x100, 0x480000000000, 0x800000, r1}) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x200, 0x0) epoll_pwait(r2, &(0x7f0000000180)=[{}, {}, {}, {}, {}, {}], 0x6, 0x9, &(0x7f0000000140)={0xd157}, 0x8) r3 = socket$inet6(0xa, 0x801, 0x0) ioctl(r3, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40, 0x0) syz_emit_ethernet(0x1, &(0x7f0000000080)=ANY=[@ANYRESOCT=r3], &(0x7f00000002c0)) [ 1902.959004] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1902.975647] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1902.982907] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1902.990162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1902.997422] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1903.006668] 9pnet: Insufficient options for proto=fd 03:33:25 executing program 5 (fault-call:6 fault-nth:16): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1903.024332] Unknown ioctl 35083 [ 1903.035310] Unknown ioctl 35083 [ 1903.062079] FAT-fs (loop3): bogus number of reserved sectors 03:33:25 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7bde000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:25 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901"], 0x6) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:25 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000040)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000080)=0x18) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f00000000c0)={r2, 0x1ff, 0x3dcc, 0x7, 0x8001, 0x5ca54a05}, &(0x7f0000000140)=0x14) [ 1903.098641] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1903.153125] tmpfs: No value for mount option 'md5sum/procposix_acl_accessvmnet0eth1self@mime_typelo' [ 1903.186721] FAT-fs (loop3): bogus number of reserved sectors 03:33:25 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1903.223737] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1903.242263] overlayfs: filesystem on './file0' not supported as upperdir [ 1903.292232] 9pnet: Insufficient options for proto=fd 03:33:25 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xfeffffff00000000}}, 0x24, 0x0) 03:33:25 executing program 1: ioctl(0xffffffffffffffff, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r0 = syz_open_dev$adsp(&(0x7f0000000580)='/dev/adsp#\x00', 0x4, 0x2800) ioctl$TCSETA(r0, 0x5406, &(0x7f00000005c0)={0xd, 0x9, 0x10001, 0x4, 0x12f4, 0x7f, 0x6, 0x2d4d, 0x5, 0x9}) lsetxattr$security_ima(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='security.ima\x00', &(0x7f0000000080)=@sha1={0x1, "87eae42473870d95e2617956e1badc794213e536"}, 0x15, 0x3) syz_emit_ethernet(0x1, &(0x7f00000003c0)=ANY=[@ANYBLOB="621302c6f9336802bb697476fda8e1f690dea2ca06197f1cb4866ec5a93d773c50238e91eaea25999e2d96cd5172c239dd9cc93e566819162ffd917958c3e003d0831a3b6f618f89a1fcaa4fc9f6520d96371db7f83fcb1d6aba0d8626b0423d38c9f3bd57a90221f5afc07ce173640c18d4ed2fd8761f61d6f730620600000049c550b74f1cf62f8766858689c15d438606789f74103f296879f45d7fbefced8a7f409e6c40965babb4bcb5d7700000000000000000000016490eaa979d562b"], &(0x7f00000002c0)) r1 = fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) write$input_event(r1, &(0x7f00000000c0)={{0x0, 0x2710}, 0x4, 0x7, 0x100}, 0x18) r2 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r3 = add_key(&(0x7f00000001c0)='rxrpc_s\x00', &(0x7f0000000200)={'syz', 0x1}, &(0x7f0000000300)="322db655083a5a64a19c5d7f27ede1f13c8280bd2ead6ac338d025db2994b936a5bd8aa64b724e63c4f1b74550d7d8ba7c75104f7c6c726e820b5c3e7f920e8b951da5f49cb98e61ed7f5ec01edbd7fb10df3eaec30af061e6d0921b0f4d4dc09c092d7f65952fc6e5943794203edc72848f2ff699ed52d21fe3bbaf2a4443de6979ecdfc9c8df", 0x87, 0xfffffffffffffffd) open(&(0x7f0000000240)='./file0\x00', 0x400000, 0x11c) keyctl$negate(0xd, r2, 0x2a, r3) lsetxattr$security_ima(&(0x7f0000000100)='./file0\x00', &(0x7f0000000480)='security.ima\x00', &(0x7f00000004c0)=@v2={0x3, 0x1, 0x6, 0x5, 0xb1, "0d8712622f636d836d3d377cf227097f19f7f8f981b07c0e0b7d080e59a9ceb1ff4ae605f00b40ccdf75176faab388552c74ce8fb4d804223c8d927597abd8e15cac1578fd9bfe4ec617be77bfb7dfb0deb8812a2d458c8a4f60d6920b97235735f282400983310db23967f96a4ce026ed82d2bda02354acb079ba8f205cf560904f52f3250ee2e95db05b125200ab1cf1b954afaf536778c544dd01b5b3e262ade06404920dad93257b8793d6f18f0231"}, 0xbb, 0x1) 03:33:25 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa0010000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:25 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1903.336942] FAULT_INJECTION: forcing a failure. [ 1903.336942] name failslab, interval 1, probability 0, space 0, times 0 [ 1903.360294] tmpfs: No value for mount option 'md5sum/procposix_acl_accessvmnet0eth1self@mime_typelo' [ 1903.369754] CPU: 0 PID: 7991 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1903.376962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1903.386338] Call Trace: [ 1903.388937] dump_stack+0x1c4/0x2b4 [ 1903.392578] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1903.397788] should_fail.cold.4+0xa/0x17 [ 1903.401850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1903.406960] ? save_stack+0xa9/0xd0 [ 1903.410592] ? save_stack+0x43/0xd0 [ 1903.414209] ? __kasan_slab_free+0x102/0x150 [ 1903.418611] ? kfree+0xcf/0x230 [ 1903.421886] ? match_number.isra.0+0x19b/0x280 [ 1903.426490] ? match_int+0x23/0x30 [ 1903.430029] ? parse_opts+0x32e/0x510 [ 1903.433822] ? p9_fd_create+0x8b/0x3f0 [ 1903.437704] ? p9_client_create+0x866/0x160a [ 1903.442104] ? v9fs_session_init+0x217/0x1a70 [ 1903.446592] ? mount_fs+0xae/0x31d [ 1903.450131] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1903.454881] ? do_mount+0x581/0x31f0 [ 1903.458584] ? ksys_mount+0x12d/0x140 [ 1903.462383] ? fs_reclaim_acquire+0x20/0x20 [ 1903.466729] ? lock_downgrade+0x900/0x900 [ 1903.470874] ? ___might_sleep+0x1ed/0x300 [ 1903.475032] ? arch_local_save_flags+0x40/0x40 [ 1903.479615] __should_failslab+0x124/0x180 [ 1903.483846] should_failslab+0x9/0x14 [ 1903.487640] __kmalloc+0x2d4/0x760 [ 1903.491181] ? match_number.isra.0+0xbf/0x280 [ 1903.495671] match_number.isra.0+0xbf/0x280 [ 1903.500001] ? match_strdup+0xa0/0xa0 [ 1903.503799] ? match_wildcard+0x3c0/0x3c0 [ 1903.507948] match_int+0x23/0x30 [ 1903.511320] parse_opts+0x32e/0x510 [ 1903.514940] ? p9_fd_poll+0x2b0/0x2b0 [ 1903.518737] ? kasan_check_write+0x14/0x20 [ 1903.522968] ? trace_hardirqs_off+0xb8/0x310 [ 1903.527392] ? trace_hardirqs_on+0x310/0x310 [ 1903.531794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1903.537362] ? check_preemption_disabled+0x48/0x200 [ 1903.542382] p9_fd_create+0x8b/0x3f0 [ 1903.546092] ? p9_fd_show_options+0x1c0/0x1c0 [ 1903.550584] ? p9_client_create+0x7c3/0x160a [ 1903.555005] p9_client_create+0x866/0x160a [ 1903.559242] ? p9_client_read+0xc70/0xc70 [ 1903.563388] ? fs_reclaim_acquire+0x20/0x20 [ 1903.567703] ? lock_downgrade+0x900/0x900 [ 1903.571848] ? __lockdep_init_map+0x105/0x590 [ 1903.576339] ? lockdep_init_map+0x9/0x10 [ 1903.580396] ? kasan_check_write+0x14/0x20 [ 1903.584623] ? __init_rwsem+0x1cc/0x2a0 [ 1903.588592] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1903.593600] ? kasan_kmalloc+0xc7/0xe0 [ 1903.597483] ? save_stack+0x43/0xd0 [ 1903.601104] ? memcpy+0x45/0x50 [ 1903.604384] v9fs_session_init+0x217/0x1a70 [ 1903.608712] ? v9fs_show_options+0x7e0/0x7e0 [ 1903.613115] ? lock_downgrade+0x900/0x900 [ 1903.617260] ? ___might_sleep+0x1ed/0x300 [ 1903.621402] ? trace_hardirqs_on+0xbd/0x310 [ 1903.625717] ? v9fs_mount+0x62/0x8f0 [ 1903.629427] ? kasan_unpoison_shadow+0x35/0x50 [ 1903.634006] ? kasan_kmalloc+0xc7/0xe0 [ 1903.637892] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1903.642727] ? free_pages+0x44/0x50 [ 1903.646356] v9fs_mount+0x7d/0x8f0 [ 1903.649891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1903.655425] mount_fs+0xae/0x31d [ 1903.658788] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1903.663368] ? may_umount+0xb0/0xb0 [ 1903.667002] ? _raw_read_unlock+0x3f/0x50 [ 1903.671143] ? __get_fs_type+0x97/0xc0 [ 1903.675026] do_mount+0x581/0x31f0 [ 1903.678563] ? copy_mount_string+0x40/0x40 [ 1903.682808] ? kasan_unpoison_shadow+0x35/0x50 [ 1903.687383] ? kasan_kmalloc+0xc7/0xe0 [ 1903.691266] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1903.696136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1903.701664] ? _copy_from_user+0xdf/0x150 [ 1903.705808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1903.711335] ? copy_mount_options+0x288/0x380 [ 1903.715827] ksys_mount+0x12d/0x140 [ 1903.719448] __x64_sys_mount+0xbe/0x150 [ 1903.723418] do_syscall_64+0x1b9/0x820 [ 1903.727302] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1903.732691] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1903.737614] ? trace_hardirqs_on_caller+0x310/0x310 [ 1903.742623] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1903.747661] ? recalc_sigpending_tsk+0x180/0x180 [ 1903.752410] ? kasan_check_write+0x14/0x20 [ 1903.756645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1903.761487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1903.766669] RIP: 0033:0x457579 [ 1903.769857] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1903.788753] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1903.796457] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1903.803722] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1903.810988] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1903.818250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1903.825514] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:26 executing program 2: r0 = msgget$private(0x0, 0x8d) r1 = syz_open_dev$vcsn(&(0x7f00000011c0)='/dev/vcs#\x00', 0x5, 0x410040) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r1, 0x40505330, &(0x7f0000001200)={{0x0, 0x9}, {0x100000000, 0x3f}, 0x7, 0x3, 0x2}) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000f00)=""/227) syz_mount_image$nfs4(&(0x7f00000006c0)='nfs4\x00', &(0x7f0000000700)='./file0\x00', 0x9, 0x4, &(0x7f0000001100)=[{&(0x7f0000000740)="403d98a7260a656cafe66b6968957aaff7f0d9078ec5327f4f8573815a5cc789e74f51a88ee7bfd1018afa9f41e253093d75ae1b0e3fb79e46fa32", 0x3b, 0x1}, {&(0x7f0000003d80)="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", 0x1000, 0x5}, {&(0x7f0000001000)="a7e327f9e9ac9058ab5758396c9f67490c96c1513e6d0a6bdabb4835da65124785f2cfffcd9108c43fe22bbed975c5946bcbcb", 0x33, 0x8}, {&(0x7f0000001040)="4c76fe6277b5fed6822cebb095eb29b9afe4308d512fb9649259fa757cb241ad78b263da0adbc03c2d655efbe2402f8c01a3b00b31c85973fa32af9af4947015a81bc91c8949d0376110b365568ea2e78bb588a4c5622da621730e4154aa202356adf330f3f3408f7382d52f953a37a86c166edb8d53c61b4881000e9122a17b983a70", 0x83, 0x3}], 0x2192804, &(0x7f0000001180)='@$-\x00') socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write$eventfd(r1, &(0x7f0000001280)=0x67, 0x8) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000000340)={{{@in=@loopback, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@dev}, 0x0, @in6=@mcast2}}, &(0x7f0000000440)=0xe8) sendmmsg(r2, &(0x7f0000000d80)=[{{&(0x7f0000000080)=@ethernet={0x1}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000140)="9174832b3bddfab1135bd4c43b4d7d80bb661b1f1b82004cf4084fc4fb33ea8fee1cbe04bdda26e67df3d5694d8f7637cdfa043071e935e2087b948b2be9f41631d6a7752aac9c643b795fd4447a27f7d92feba0c9a3889909a93013ade2de85a90b0a72268637eabb94930ef257333364acce12b4767cc9258e48bcf4ba7f9896966b2d79ea1020f3aac5673635850ec9137c5762b04ffa869a36821cbc68db7a3e62b0e05aedb0691b6d4b3233728e271170b2e472598442bf6d77d25b0c9bcde4c2aa4da1246f6396b51f7367e52be462bce03e179ee4b3e35a5701ef4af51bd2f05f1483c766", 0xe8}, {&(0x7f0000000280)="29de52cada2781db06fccfb6b0f538b25e4926ded2b495711c16dcba6b7797bf4119d4e7276ea560db19ea5c1c1ea46888cf9137db0fec7b1720e46496f2f106461c3905ae0a14dd62a7072eaee3df0c2ae89aab4d5bedd708c067aebe01d784372fc42b6461e6b44351030057925e42e52696e1e196ff1350230c", 0x7b}], 0x2, &(0x7f0000001440)=[{0x1010, 0x19f, 0xf50d, 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0x1550, 0x24000010}, 0x800}], 0x3, 0x0) 03:33:26 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x20000, 0x0) accept$packet(r1, &(0x7f0000000040), &(0x7f0000000080)=0x14) syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="700000ea8fce569c"], &(0x7f00000002c0)) [ 1903.852771] 9pnet: Insufficient options for proto=fd [ 1903.863533] 9pnet: Insufficient options for proto=fd 03:33:26 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno'}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:26 executing program 5 (fault-call:6 fault-nth:17): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1903.940647] 9pnet: Insufficient options for proto=fd 03:33:26 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde42}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1903.975196] FAULT_INJECTION: forcing a failure. [ 1903.975196] name failslab, interval 1, probability 0, space 0, times 0 [ 1903.986466] CPU: 1 PID: 8017 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1903.993669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1904.003029] Call Trace: [ 1904.003057] dump_stack+0x1c4/0x2b4 [ 1904.003078] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1904.003094] ? perf_trace_lock+0x7a0/0x7a0 [ 1904.003118] should_fail.cold.4+0xa/0x17 [ 1904.009321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1904.009338] ? debug_smp_processor_id+0x1c/0x20 [ 1904.009352] ? perf_trace_lock_acquire+0x15b/0x800 [ 1904.009368] ? perf_trace_lock_acquire+0x15b/0x800 [ 1904.018781] ? perf_trace_lock+0x7a0/0x7a0 [ 1904.018803] ? __debug_object_init+0x57d/0x1290 [ 1904.018824] ? lock_downgrade+0x900/0x900 [ 1904.027972] ? lock_downgrade+0x900/0x900 [ 1904.027994] ? trace_hardirqs_on+0xbd/0x310 [ 1904.028006] ? kasan_check_read+0x11/0x20 [ 1904.028022] ? __debug_object_init+0x57d/0x1290 [ 1904.037602] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1904.037619] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1904.037634] ? kasan_check_write+0x14/0x20 [ 1904.037652] ? lock_acquire+0x1ed/0x520 [ 1904.046800] ? p9_client_prepare_req.part.8+0x5d0/0xc30 [ 1904.046826] __should_failslab+0x124/0x180 [ 1904.046838] should_failslab+0x9/0x14 [ 1904.046857] kmem_cache_alloc_trace+0x4b/0x750 [ 1904.055646] ? kasan_check_write+0x14/0x20 [ 1904.055662] ? do_raw_spin_lock+0xc1/0x200 [ 1904.055688] p9_client_prepare_req.part.8+0x68d/0xc30 03:33:26 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) fdatasync(r0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) 03:33:26 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1904.055712] ? p9_free_req.isra.7+0x140/0x140 [ 1904.055728] ? p9_pollwait+0x83/0x210 [ 1904.064177] ? p9_conn_create+0x720/0x720 [ 1904.064195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1904.064215] p9_client_rpc+0x1c2/0x1480 [ 1904.064226] ? p9_fd_poll+0x1e0/0x2b0 [ 1904.064242] ? p9_conn_create+0x565/0x720 [ 1904.073041] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1904.073063] ? ksys_dup3+0x680/0x680 [ 1904.073077] ? p9_fd_poll+0x2b0/0x2b0 [ 1904.073088] ? p9_fd_create+0x1a7/0x3f0 [ 1904.073105] ? kasan_unpoison_shadow+0x35/0x50 [ 1904.083125] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1904.083152] ? p9_fd_show_options+0x1c0/0x1c0 [ 1904.083175] p9_client_create+0xc1b/0x160a [ 1904.083198] ? p9_client_read+0xc70/0xc70 [ 1904.091380] ? fs_reclaim_acquire+0x20/0x20 [ 1904.091398] ? lock_downgrade+0x900/0x900 [ 1904.091416] ? __lockdep_init_map+0x105/0x590 [ 1904.091435] ? kasan_check_write+0x14/0x20 [ 1904.101046] ? __init_rwsem+0x1cc/0x2a0 [ 1904.101066] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1904.101079] ? kasan_kmalloc+0xc7/0xe0 [ 1904.101101] ? save_stack+0x43/0xd0 03:33:26 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1904.113695] ? memcpy+0x45/0x50 [ 1904.113717] v9fs_session_init+0x217/0x1a70 [ 1904.113744] ? v9fs_show_options+0x7e0/0x7e0 [ 1904.123143] ? lock_downgrade+0x900/0x900 [ 1904.123163] ? ___might_sleep+0x1ed/0x300 [ 1904.123184] ? trace_hardirqs_on+0xbd/0x310 [ 1904.153059] ? v9fs_mount+0x62/0x8f0 [ 1904.153078] ? kasan_unpoison_shadow+0x35/0x50 [ 1904.153090] ? kasan_kmalloc+0xc7/0xe0 [ 1904.153109] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1904.153127] ? free_pages+0x44/0x50 [ 1904.162212] v9fs_mount+0x7d/0x8f0 [ 1904.162232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1904.183959] mount_fs+0xae/0x31d [ 1904.183982] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1904.183999] ? may_umount+0xb0/0xb0 [ 1904.184016] ? _raw_read_unlock+0x2c/0x50 [ 1904.196704] ? __get_fs_type+0x97/0xc0 [ 1904.202143] 9pnet: Insufficient options for proto=fd [ 1904.205339] do_mount+0x581/0x31f0 [ 1904.205361] ? copy_mount_string+0x40/0x40 [ 1904.205381] ? kasan_unpoison_shadow+0x35/0x50 [ 1904.205392] ? kasan_kmalloc+0xc7/0xe0 [ 1904.205413] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1904.234272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1904.234288] ? _copy_from_user+0xdf/0x150 [ 1904.234308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1904.234322] ? copy_mount_options+0x288/0x380 [ 1904.234339] ksys_mount+0x12d/0x140 [ 1904.242891] __x64_sys_mount+0xbe/0x150 [ 1904.242928] do_syscall_64+0x1b9/0x820 [ 1904.242944] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1904.242961] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1904.242982] ? trace_hardirqs_on_caller+0x310/0x310 [ 1904.260437] 9pnet: Insufficient options for proto=fd [ 1904.263641] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1904.263658] ? recalc_sigpending_tsk+0x180/0x180 [ 1904.263673] ? kasan_check_write+0x14/0x20 [ 1904.263691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1904.263714] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1904.289176] RIP: 0033:0x457579 [ 1904.296943] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1904.296952] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1904.296968] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1904.296977] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1904.296987] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1904.296994] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1904.297006] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1904.468488] 9pnet: Couldn't grow tag array [ 1904.478446] FAT-fs (loop3): bogus number of reserved sectors [ 1904.498352] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1904.555530] FAT-fs (loop3): bogus number of reserved sectors [ 1904.585199] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1904.614645] overlayfs: filesystem on './file0' not supported as upperdir 03:33:27 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x200000000000011a, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0xb, 0x0, 0x2000000000}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r2 = socket$inet_dccp(0x2, 0x6, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x2, 0x0) fcntl$getflags(r2, 0x401) openat$autofs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/autofs\x00', 0x200000, 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r3, 0xc0145401, &(0x7f00000000c0)={0xffffffffffffffff, 0x3, 0x9, 0x1}) 03:33:27 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno'}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:27 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', 0x349940, 0x29) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000240)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DAEMON(r1, &(0x7f0000000540)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000500)={&(0x7f0000000400)={0xfc, r2, 0x800, 0x70bd29, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x4}, @IPVS_CMD_ATTR_DAEMON={0x2c, 0x3, [@IPVS_DAEMON_ATTR_MCAST_GROUP={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8, 0x8, 0x1}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x14}}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @rand_addr=0x1}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8, 0x4, 0x2}]}, @IPVS_CMD_ATTR_DEST={0x4c, 0x2, [@IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x2}, @IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x266d}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x7}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@multicast2}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x70}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@remote}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0xfffffffffffffffa}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0xc52}, @IPVS_CMD_ATTR_DEST={0x48, 0x2, [@IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0xf463}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x3d}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x7ff}, @IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv4=@rand_addr=0x4}, @IPVS_DEST_ATTR_FWD_METHOD={0x8}, @IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0xfffffffffffff001}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x8}]}]}, 0xfc}, 0x1, 0x0, 0x0, 0x800}, 0x1) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffff9c, 0xc018620b, &(0x7f0000000100)={0x0}) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffffff, 0xc018620b, &(0x7f0000000140)={0x0}) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x400) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000001c0)={0x38, 0x0, &(0x7f0000000180)=[@acquire_done={0x40106309, r3, 0x1}, @increfs_done={0x40106308, r4}, @register_looper, @exit_looper, @decrefs], 0xd6, 0x0, &(0x7f0000000300)="bf0b1e79d55ee87796e175983b5e169980c4edf14e432ca1d18561fa7574f77c0d1134dbad20ae94ed909a61dffa73eaca31eb915d3659c2da7b9f29e9ed697ec5942e2e1bca526594503107b83957197b56d2dd3fdfb4713e41ac7d5d7ee7b2cd38b6ddfcae55cf2647e429450afa0eaa8e5e71206bbf8940c34f7ae8d3323b8dd21a00ea177bf82442d678f549c599a4468d672961d5648348d11b63bbf82aefeac76145572a413fa165e6ac43c4e115b00b54a24325e6983d5d1e9d67ba36bbd710c720b6251e828ef02054fdf43dc0988dd52309"}) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000080)=ANY=[@ANYBLOB='P\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'], &(0x7f00000002c0)) setsockopt$inet6_MRT6_DEL_MFC(r0, 0x29, 0xcd, &(0x7f0000000000)={{0xa, 0x4e21, 0xe73, @remote, 0xd9}, {0xa, 0x4e24, 0x7, @ipv4={[], [], @multicast1}, 0x4}, 0x101, [0x80000000, 0x100000001, 0x4, 0x9, 0x5, 0x1, 0x5, 0x4]}, 0x5c) 03:33:27 executing program 5 (fault-call:6 fault-nth:18): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:27 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf6ffffff00000000}}, 0x24, 0x0) 03:33:27 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff88000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1904.711926] FAULT_INJECTION: forcing a failure. [ 1904.711926] name failslab, interval 1, probability 0, space 0, times 0 [ 1904.735481] 9pnet: Insufficient options for proto=fd [ 1904.737446] CPU: 1 PID: 8058 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1904.747824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1904.757196] Call Trace: 03:33:27 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 1904.759802] dump_stack+0x1c4/0x2b4 [ 1904.763446] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1904.763472] should_fail.cold.4+0xa/0x17 [ 1904.763489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1904.763514] ? save_stack+0xa9/0xd0 [ 1904.772738] ? save_stack+0x43/0xd0 [ 1904.772750] ? __kasan_slab_free+0x102/0x150 [ 1904.772768] ? kfree+0xcf/0x230 [ 1904.792794] ? match_number.isra.0+0x19b/0x280 [ 1904.797392] ? match_int+0x23/0x30 [ 1904.800955] ? parse_opts+0x32e/0x510 [ 1904.804768] ? p9_fd_create+0x8b/0x3f0 [ 1904.808678] ? p9_client_create+0x866/0x160a [ 1904.813101] ? v9fs_session_init+0x217/0x1a70 [ 1904.813116] ? mount_fs+0xae/0x31d [ 1904.813132] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1904.813147] ? do_mount+0x581/0x31f0 [ 1904.821170] ? ksys_mount+0x12d/0x140 [ 1904.821191] ? fs_reclaim_acquire+0x20/0x20 [ 1904.821212] ? lock_downgrade+0x900/0x900 [ 1904.829666] ? ___might_sleep+0x1ed/0x300 [ 1904.829682] ? arch_local_save_flags+0x40/0x40 [ 1904.829706] __should_failslab+0x124/0x180 [ 1904.854998] should_failslab+0x9/0x14 [ 1904.858809] __kmalloc+0x2d4/0x760 [ 1904.862359] ? match_number.isra.0+0xbf/0x280 [ 1904.866893] match_number.isra.0+0xbf/0x280 [ 1904.871220] ? match_strdup+0xa0/0xa0 [ 1904.875021] ? match_wildcard+0x3c0/0x3c0 [ 1904.879166] match_int+0x23/0x30 [ 1904.882528] parse_opts+0x32e/0x510 [ 1904.886221] ? p9_fd_poll+0x2b0/0x2b0 [ 1904.890023] ? kasan_check_write+0x14/0x20 [ 1904.894286] ? trace_hardirqs_off+0xb8/0x310 [ 1904.898700] ? trace_hardirqs_on+0x310/0x310 [ 1904.903180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1904.908722] ? check_preemption_disabled+0x48/0x200 [ 1904.913735] p9_fd_create+0x8b/0x3f0 [ 1904.917441] ? p9_fd_show_options+0x1c0/0x1c0 [ 1904.921943] ? p9_client_create+0x7c3/0x160a [ 1904.926353] p9_client_create+0x866/0x160a [ 1904.930590] ? p9_client_read+0xc70/0xc70 [ 1904.934746] ? fs_reclaim_acquire+0x20/0x20 [ 1904.939134] ? lock_downgrade+0x900/0x900 [ 1904.943292] ? __lockdep_init_map+0x105/0x590 [ 1904.947781] ? lockdep_init_map+0x9/0x10 [ 1904.951835] ? kasan_check_write+0x14/0x20 [ 1904.956083] ? __init_rwsem+0x1cc/0x2a0 [ 1904.960058] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1904.965075] ? kasan_kmalloc+0xc7/0xe0 [ 1904.968959] ? save_stack+0x43/0xd0 [ 1904.972594] ? memcpy+0x45/0x50 [ 1904.975935] v9fs_session_init+0x217/0x1a70 [ 1904.980343] ? v9fs_show_options+0x7e0/0x7e0 [ 1904.984755] ? lock_downgrade+0x900/0x900 [ 1904.988903] ? ___might_sleep+0x1ed/0x300 [ 1904.993058] ? trace_hardirqs_on+0xbd/0x310 [ 1904.997436] ? v9fs_mount+0x62/0x8f0 [ 1905.001161] ? kasan_unpoison_shadow+0x35/0x50 [ 1905.005743] ? kasan_kmalloc+0xc7/0xe0 [ 1905.009629] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1905.014476] ? free_pages+0x44/0x50 [ 1905.018173] v9fs_mount+0x7d/0x8f0 [ 1905.021721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1905.027258] mount_fs+0xae/0x31d [ 1905.030625] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1905.035256] ? may_umount+0xb0/0xb0 [ 1905.038887] ? _raw_read_unlock+0x2c/0x50 [ 1905.043039] ? __get_fs_type+0x97/0xc0 [ 1905.047340] do_mount+0x581/0x31f0 [ 1905.050881] ? kasan_check_read+0x11/0x20 [ 1905.055051] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1905.059473] ? copy_mount_string+0x40/0x40 [ 1905.063710] ? kasan_check_write+0x14/0x20 [ 1905.067978] ? kasan_unpoison_shadow+0x35/0x50 [ 1905.072588] ? kasan_kmalloc+0xc7/0xe0 [ 1905.076477] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1905.081316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1905.086868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1905.092491] ? copy_mount_options+0x288/0x380 [ 1905.097019] ksys_mount+0x12d/0x140 [ 1905.100659] __x64_sys_mount+0xbe/0x150 [ 1905.104664] do_syscall_64+0x1b9/0x820 [ 1905.108550] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1905.113910] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1905.118858] ? trace_hardirqs_on_caller+0x310/0x310 [ 1905.123880] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1905.128893] ? recalc_sigpending_tsk+0x180/0x180 [ 1905.133640] ? kasan_check_write+0x14/0x20 [ 1905.137877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1905.142721] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1905.147900] RIP: 0033:0x457579 [ 1905.151088] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1905.169983] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1905.177692] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1905.184954] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1905.192217] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1905.199481] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1905.206743] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:27 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 1905.215620] 9pnet: Insufficient options for proto=fd 03:33:27 executing program 5 (fault-call:6 fault-nth:19): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:27 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_emit_ethernet(0x1, &(0x7f0000000100)=ANY=[@ANYBLOB="5000000090ce569c"], &(0x7f00000002c0)) getpid() r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0xdd9, 0x100) write$UHID_DESTROY(r1, &(0x7f0000000040), 0x4) 03:33:27 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde4a}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:27 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 1905.327875] FAT-fs (loop3): bogus number of reserved sectors [ 1905.348960] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1905.360419] FAULT_INJECTION: forcing a failure. [ 1905.360419] name failslab, interval 1, probability 0, space 0, times 0 [ 1905.419172] CPU: 1 PID: 8078 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1905.426407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1905.426414] Call Trace: [ 1905.426440] dump_stack+0x1c4/0x2b4 [ 1905.426459] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1905.426475] ? kernel_text_address+0x79/0xf0 [ 1905.426498] should_fail.cold.4+0xa/0x17 [ 1905.426516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1905.426536] ? save_stack+0xa9/0xd0 [ 1905.426548] ? save_stack+0x43/0xd0 [ 1905.426567] ? kmem_cache_alloc_trace+0x152/0x750 [ 1905.438514] ? p9_client_prepare_req.part.8+0x68d/0xc30 [ 1905.438531] ? p9_client_rpc+0x1c2/0x1480 [ 1905.447335] ? p9_client_create+0xc1b/0x160a [ 1905.447356] ? v9fs_session_init+0x217/0x1a70 [ 1905.455818] ? v9fs_mount+0x7d/0x8f0 [ 1905.455832] ? mount_fs+0xae/0x31d [ 1905.455846] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1905.455858] ? do_mount+0x581/0x31f0 [ 1905.455868] ? ksys_mount+0x12d/0x140 [ 1905.455883] ? __x64_sys_mount+0xbe/0x150 [ 1905.464597] ? do_syscall_64+0x1b9/0x820 [ 1905.464613] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1905.464632] ? lock_downgrade+0x900/0x900 [ 1905.464648] ? lock_downgrade+0x900/0x900 [ 1905.473239] FAT-fs (loop3): bogus number of reserved sectors [ 1905.478552] ? trace_hardirqs_on+0xbd/0x310 [ 1905.478570] ? kasan_check_read+0x11/0x20 [ 1905.483577] overlayfs: filesystem on './file0' not supported as upperdir [ 1905.487112] ? __debug_object_init+0x57d/0x1290 [ 1905.487129] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1905.487148] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1905.492964] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1905.495349] ? ___might_sleep+0x1ed/0x300 [ 1905.578584] ? arch_local_save_flags+0x40/0x40 [ 1905.583165] ? p9_client_prepare_req.part.8+0x7c2/0xc30 [ 1905.588525] __should_failslab+0x124/0x180 [ 1905.593279] should_failslab+0x9/0x14 [ 1905.597106] __kmalloc+0x2d4/0x760 [ 1905.600641] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1905.606086] ? init_wait_entry+0x1c0/0x1c0 [ 1905.610322] ? p9_fcall_alloc+0x1e/0x90 [ 1905.614404] ? do_raw_spin_lock+0xc1/0x200 [ 1905.618637] p9_fcall_alloc+0x1e/0x90 [ 1905.622459] p9_client_prepare_req.part.8+0x887/0xc30 [ 1905.627650] ? p9_free_req.isra.7+0x140/0x140 [ 1905.632140] ? p9_pollwait+0x83/0x210 [ 1905.635935] ? p9_conn_create+0x720/0x720 [ 1905.640074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1905.645638] p9_client_rpc+0x1c2/0x1480 [ 1905.649631] ? p9_fd_poll+0x1e0/0x2b0 [ 1905.653428] ? p9_conn_create+0x565/0x720 [ 1905.657572] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1905.662931] ? ksys_dup3+0x680/0x680 [ 1905.666637] ? p9_fd_poll+0x2b0/0x2b0 [ 1905.670427] ? p9_fd_create+0x1a7/0x3f0 [ 1905.674394] ? kasan_unpoison_shadow+0x35/0x50 [ 1905.678975] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1905.683825] ? p9_fd_show_options+0x1c0/0x1c0 [ 1905.688324] p9_client_create+0xc1b/0x160a [ 1905.692558] ? p9_client_read+0xc70/0xc70 [ 1905.696701] ? fs_reclaim_acquire+0x20/0x20 [ 1905.701048] ? lock_downgrade+0x900/0x900 [ 1905.705192] ? __lockdep_init_map+0x105/0x590 [ 1905.709684] ? kasan_check_write+0x14/0x20 [ 1905.713909] ? __init_rwsem+0x1cc/0x2a0 [ 1905.717881] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1905.722887] ? kasan_kmalloc+0xc7/0xe0 [ 1905.726786] ? save_stack+0x43/0xd0 [ 1905.730408] ? memcpy+0x45/0x50 [ 1905.733686] v9fs_session_init+0x217/0x1a70 [ 1905.738012] ? v9fs_show_options+0x7e0/0x7e0 [ 1905.742411] ? lock_downgrade+0x900/0x900 [ 1905.746558] ? ___might_sleep+0x1ed/0x300 [ 1905.750705] ? trace_hardirqs_on+0xbd/0x310 [ 1905.755019] ? v9fs_mount+0x62/0x8f0 [ 1905.758727] ? kasan_unpoison_shadow+0x35/0x50 [ 1905.763308] ? kasan_kmalloc+0xc7/0xe0 [ 1905.767228] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1905.772063] ? free_pages+0x44/0x50 [ 1905.775697] v9fs_mount+0x7d/0x8f0 [ 1905.779234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1905.784782] mount_fs+0xae/0x31d [ 1905.788158] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1905.792735] ? may_umount+0xb0/0xb0 [ 1905.796358] ? _raw_read_unlock+0x2c/0x50 [ 1905.800501] ? __get_fs_type+0x97/0xc0 [ 1905.804385] do_mount+0x581/0x31f0 [ 1905.807944] ? trace_hardirqs_off+0x310/0x310 [ 1905.812432] ? retint_kernel+0x1b/0x2d [ 1905.816321] ? copy_mount_string+0x40/0x40 [ 1905.820558] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1905.825311] ? trace_hardirqs_off+0xaf/0x310 [ 1905.829714] ? retint_kernel+0x2d/0x2d [ 1905.833602] ? copy_mount_options+0x1f3/0x380 [ 1905.838120] ? copy_mount_options+0x1f9/0x380 [ 1905.842608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1905.848138] ? copy_mount_options+0x288/0x380 [ 1905.852630] ksys_mount+0x12d/0x140 [ 1905.856251] __x64_sys_mount+0xbe/0x150 [ 1905.860221] do_syscall_64+0x1b9/0x820 [ 1905.864103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1905.869461] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1905.874388] ? trace_hardirqs_on_caller+0x310/0x310 [ 1905.879437] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1905.884447] ? recalc_sigpending_tsk+0x180/0x180 [ 1905.889198] ? kasan_check_write+0x14/0x20 [ 1905.893428] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1905.898270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1905.903484] RIP: 0033:0x457579 [ 1905.906674] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1905.925567] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1905.933281] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1905.940546] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1905.947806] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1905.955068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1905.962332] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:28 executing program 2: r0 = socket$bt_rfcomm(0x1f, 0x3, 0x3) ioctl$sock_inet_SIOCSIFDSTADDR(r0, 0x8918, &(0x7f0000000080)={'veth1_to_bond\x00', {0x2, 0x4e22, @rand_addr=0x70ed}}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000000000000000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r1, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:28 executing program 1: r0 = socket$inet6(0xa, 0x7ff, 0xbb7) ioctl(r0, 0xffffffffffffffbc, &(0x7f00000001c0)="1576e95f9dce7a8ccd141757589d5abf68983f6234488d") r1 = syz_open_dev$adsp(&(0x7f0000000000)='/dev/adsp#\x00', 0x997, 0x0) ioctl$KDGETKEYCODE(r1, 0x4b4c, &(0x7f0000000040)={0x1ff}) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000100)={0x0, 0x8, 0x1b0, 0x5, 0x2ba6, 0x3, 0x2, 0x0, {0x0, @in6={{0xa, 0x4e21, 0x5, @mcast2, 0xfffffffffffffffc}}, 0x8, 0x7fffffff, 0x2a0b, 0xfffffffffffff001, 0x8}}, &(0x7f0000000200)=0xb0) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r1, 0x84, 0xa, &(0x7f0000000240)={0x6, 0x9, 0x8000, 0x7, 0x1, 0x2, 0xffffffffffffff00, 0x1df, r2}, &(0x7f0000000280)=0x20) syz_emit_ethernet(0x1, &(0x7f0000000080)=ANY=[@ANYBLOB="f7affde8fff9d20dbed40af23b4eb0d175e31160f027b53bbbbbf8f854d572803060115b45a7a5d80721cd3eaa9d3d6ced70bd84516b43135acd11df1eaf49e6bdcb06f93db858670664e24a1108d3f3c7"], &(0x7f00000002c0)) [ 1905.997086] 9pnet: Couldn't grow tag array 03:33:28 executing program 5 (fault-call:6 fault-nth:20): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:28 executing program 0 (fault-call:5 fault-nth:0): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:28 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x8cffffff00000000}}, 0x24, 0x0) 03:33:28 executing program 1: r0 = socket$inet6(0xa, 0x801, 0x0) r1 = syz_open_dev$admmidi(&(0x7f00000000c0)='/dev/admmidi#\x00', 0x4ed, 0xc480) ioctl$RNDADDTOENTCNT(r1, 0x40045201, &(0x7f0000000100)=0x3) ioctl(r0, 0xc023, &(0x7f0000000140)="153f6234488dd25d766070") syz_emit_ethernet(0x0, &(0x7f0000000100)=ANY=[], &(0x7f00000002c0)={0x0, 0x0, [0x0, 0x0, 0x0, 0x494]}) ioctl$EXT4_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)=0x20) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x400000, 0x0) ioctl$TIOCMSET(r2, 0x5418, &(0x7f0000000080)=0x200) 03:33:28 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1906.117559] FAULT_INJECTION: forcing a failure. [ 1906.117559] name failslab, interval 1, probability 0, space 0, times 0 [ 1906.138729] FAULT_INJECTION: forcing a failure. [ 1906.138729] name failslab, interval 1, probability 0, space 0, times 0 [ 1906.168318] CPU: 0 PID: 8108 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #46 [ 1906.175587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1906.175593] Call Trace: [ 1906.175619] dump_stack+0x1c4/0x2b4 [ 1906.175639] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1906.175665] should_fail.cold.4+0xa/0x17 [ 1906.175682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1906.175704] ? __f_unlock_pos+0x19/0x20 [ 1906.200495] ? lock_downgrade+0x900/0x900 [ 1906.200512] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1906.200528] ? proc_fail_nth_write+0x9e/0x210 [ 1906.214092] ? kasan_check_read+0x11/0x20 [ 1906.214115] ? fs_reclaim_acquire+0x20/0x20 [ 1906.224127] ? lock_downgrade+0x900/0x900 [ 1906.224147] ? ___might_sleep+0x1ed/0x300 [ 1906.236746] ? arch_local_save_flags+0x40/0x40 [ 1906.236766] ? fsnotify_first_mark+0x350/0x350 [ 1906.236783] ? __fsnotify_parent+0xcc/0x420 [ 1906.250075] ? fsnotify+0x12f0/0x12f0 [ 1906.250094] __should_failslab+0x124/0x180 [ 1906.250110] should_failslab+0x9/0x14 [ 1906.262436] __kmalloc_track_caller+0x2d0/0x750 [ 1906.262453] ? strncpy_from_user+0x510/0x510 [ 1906.262466] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1906.262481] ? strndup_user+0x77/0xd0 [ 1906.270935] memdup_user+0x2c/0xa0 [ 1906.270948] strndup_user+0x77/0xd0 [ 1906.270965] ksys_mount+0x3c/0x140 [ 1906.284763] __x64_sys_mount+0xbe/0x150 [ 1906.284783] do_syscall_64+0x1b9/0x820 [ 1906.284799] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1906.284815] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1906.284830] ? trace_hardirqs_on_caller+0x310/0x310 [ 1906.284847] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1906.295520] ? recalc_sigpending_tsk+0x180/0x180 [ 1906.295535] ? kasan_check_write+0x14/0x20 [ 1906.295555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1906.337592] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1906.342790] RIP: 0033:0x457579 [ 1906.345994] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1906.364897] RSP: 002b:00007f00173cec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1906.372615] RAX: ffffffffffffffda RBX: 00007f00173cec90 RCX: 0000000000457579 [ 1906.379889] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1906.387164] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1906.394439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f00173cf6d4 [ 1906.401725] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1906.409031] CPU: 1 PID: 8111 Comm: syz-executor5 Not tainted 4.19.0-rc6+ #46 [ 1906.416245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1906.425698] Call Trace: [ 1906.428312] dump_stack+0x1c4/0x2b4 [ 1906.431943] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1906.437171] ? __kernel_text_address+0xd/0x40 [ 1906.441690] ? unwind_get_return_address+0x61/0xa0 [ 1906.446632] should_fail.cold.4+0xa/0x17 [ 1906.450690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1906.455799] ? save_stack+0xa9/0xd0 [ 1906.459420] ? save_stack+0x43/0xd0 [ 1906.463041] ? kasan_kmalloc+0xc7/0xe0 [ 1906.466948] ? __kmalloc+0x14e/0x760 [ 1906.470654] ? p9_fcall_alloc+0x1e/0x90 [ 1906.474639] ? p9_client_prepare_req.part.8+0x887/0xc30 [ 1906.480023] ? p9_client_rpc+0x1c2/0x1480 [ 1906.484167] ? v9fs_session_init+0x217/0x1a70 [ 1906.488652] ? v9fs_mount+0x7d/0x8f0 [ 1906.492362] ? mount_fs+0xae/0x31d [ 1906.495896] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1906.500641] ? do_mount+0x581/0x31f0 [ 1906.504385] ? ksys_mount+0x12d/0x140 [ 1906.508176] ? __x64_sys_mount+0xbe/0x150 [ 1906.512345] ? do_syscall_64+0x1b9/0x820 [ 1906.516407] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1906.521780] ? __x64_sys_mount+0xbe/0x150 [ 1906.525921] ? do_syscall_64+0x1b9/0x820 [ 1906.529974] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1906.535338] ? lock_downgrade+0x900/0x900 [ 1906.539515] ? cache_grow_end+0xa8/0x190 [ 1906.543570] ? lock_downgrade+0x900/0x900 [ 1906.547729] ? ___might_sleep+0x1ed/0x300 [ 1906.551867] ? kasan_check_read+0x11/0x20 [ 1906.556039] ? arch_local_save_flags+0x40/0x40 [ 1906.560616] ? trace_hardirqs_on+0xbd/0x310 [ 1906.564937] ? p9_fcall_alloc+0x1e/0x90 [ 1906.568908] __should_failslab+0x124/0x180 [ 1906.573140] should_failslab+0x9/0x14 [ 1906.576934] __kmalloc+0x2d4/0x760 [ 1906.580466] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1906.585914] ? init_wait_entry+0x1c0/0x1c0 [ 1906.590146] ? p9_fcall_alloc+0x1e/0x90 [ 1906.594118] p9_fcall_alloc+0x1e/0x90 [ 1906.597916] p9_client_prepare_req.part.8+0x812/0xc30 [ 1906.603108] ? p9_free_req.isra.7+0x140/0x140 [ 1906.607599] ? p9_pollwait+0x83/0x210 [ 1906.611394] ? p9_conn_create+0x720/0x720 [ 1906.615536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1906.621070] p9_client_rpc+0x1c2/0x1480 [ 1906.625065] ? p9_fd_poll+0x1e0/0x2b0 [ 1906.628859] ? p9_conn_create+0x565/0x720 [ 1906.633007] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1906.638397] ? ksys_dup3+0x680/0x680 [ 1906.642103] ? p9_fd_poll+0x2b0/0x2b0 [ 1906.645894] ? p9_fd_create+0x1a7/0x3f0 [ 1906.649863] ? kasan_unpoison_shadow+0x35/0x50 [ 1906.654448] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1906.659292] ? p9_fd_show_options+0x1c0/0x1c0 [ 1906.663790] p9_client_create+0xc1b/0x160a [ 1906.668025] ? p9_client_read+0xc70/0xc70 [ 1906.672171] ? fs_reclaim_acquire+0x20/0x20 [ 1906.676490] ? lock_downgrade+0x900/0x900 [ 1906.680635] ? __lockdep_init_map+0x105/0x590 [ 1906.685126] ? kasan_check_write+0x14/0x20 [ 1906.689355] ? __init_rwsem+0x1cc/0x2a0 [ 1906.693353] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1906.698361] ? kasan_kmalloc+0xc7/0xe0 [ 1906.702249] ? save_stack+0x43/0xd0 [ 1906.705877] ? memcpy+0x45/0x50 [ 1906.709186] v9fs_session_init+0x217/0x1a70 [ 1906.713539] ? v9fs_show_options+0x7e0/0x7e0 [ 1906.717945] ? lock_downgrade+0x900/0x900 [ 1906.722090] ? ___might_sleep+0x1ed/0x300 [ 1906.726238] ? trace_hardirqs_on+0xbd/0x310 [ 1906.730557] ? v9fs_mount+0x62/0x8f0 [ 1906.734294] ? kasan_unpoison_shadow+0x35/0x50 [ 1906.738896] ? kasan_kmalloc+0xc7/0xe0 [ 1906.742782] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1906.747624] ? free_pages+0x44/0x50 [ 1906.751252] v9fs_mount+0x7d/0x8f0 [ 1906.754792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1906.760327] mount_fs+0xae/0x31d [ 1906.763706] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1906.768282] ? may_umount+0xb0/0xb0 [ 1906.771901] ? _raw_read_unlock+0x2c/0x50 [ 1906.776047] ? __get_fs_type+0x97/0xc0 [ 1906.779929] do_mount+0x581/0x31f0 [ 1906.783464] ? copy_mount_string+0x40/0x40 [ 1906.787707] ? kasan_unpoison_shadow+0x35/0x50 [ 1906.792284] ? kasan_kmalloc+0xc7/0xe0 [ 1906.796171] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1906.801011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1906.806540] ? _copy_from_user+0xdf/0x150 [ 1906.810691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1906.816222] ? copy_mount_options+0x288/0x380 [ 1906.820732] ksys_mount+0x12d/0x140 [ 1906.824369] __x64_sys_mount+0xbe/0x150 [ 1906.828355] do_syscall_64+0x1b9/0x820 [ 1906.832232] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1906.837586] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1906.842505] ? trace_hardirqs_on_caller+0x310/0x310 [ 1906.847509] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1906.852513] ? recalc_sigpending_tsk+0x180/0x180 [ 1906.857256] ? kasan_check_write+0x14/0x20 [ 1906.861478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1906.866402] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1906.871575] RIP: 0033:0x457579 [ 1906.874756] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1906.893643] RSP: 002b:00007f8fd791ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1906.901344] RAX: ffffffffffffffda RBX: 00007f8fd791ac90 RCX: 0000000000457579 [ 1906.908598] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 03:33:29 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:29 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:29 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="1400000000000000000000000000000000010000464805cd99a7594bc422f214a23235d107fed505025f33d3561ff754e8556f8e8f08bbed1d52a6a910d0e73bb6b199324c2b97b878c0e3fc86afd1f9b57f85839a987703a451ea9ce3cc126f5398d12f9612732acf601f1b2824663b123cf77556d263aa330180161863b2c09ddbdfd445af2c2e6e1ac26a35a813dbcf99f45806f69fef2121c33a208a88708d5a8e64472e4bb9290bf51bb67d7208d857810169051ab8b8cc1f5c1393bb6d31bac53edac590df8b7eacebf8d52c2ff6cc4564cfa620b42584c9f3a7cdb67ddf75055c"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0xc) fcntl$setownex(r0, 0xf, &(0x7f0000000280)={0x0, r2}) [ 1906.915855] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1906.923123] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fd791b6d4 [ 1906.930377] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1906.947853] 9pnet: Couldn't grow tag array 03:33:29 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:29 executing program 1 (fault-call:6 fault-nth:0): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1907.063266] FAT-fs (loop3): bogus number of reserved sectors [ 1907.089050] FAULT_INJECTION: forcing a failure. [ 1907.089050] name failslab, interval 1, probability 0, space 0, times 0 [ 1907.102947] FS-Cache: Duplicate cookie detected 03:33:29 executing program 2: r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000440)=0x0) ioctl$sock_FIOSETOWN(r0, 0x8901, &(0x7f0000000480)=r1) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x800442d2, &(0x7f0000000200)={0x8, &(0x7f0000000280)=[{0x0, 0x0, 0x0, @local}, {0x0, 0x0, 0x0, @random}, {0x0, 0x0, 0x0, @dev}, {0x0, 0x0, 0x0, @local}, {0x0, 0x0, 0x0, @broadcast}, {0x0, 0x0, 0x0, @broadcast}, {0x0, 0x0, 0x0, @link_local}, {0x0, 0x0, 0x0, @link_local}]}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r2, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000000c0)={r2, 0x0, 0x8c, 0x2a, &(0x7f0000000140)="de4173041f524b14f2c871481c8ef8cdd4d9204c3eb0133aa076b173916a4c38affd78d90f7788c1e5dc2b4075475fa862d8d8382cb1fff9c7e2042f4f1b521fd99f4e49fbf97a1f7494d69fcabb5516af518bd8edb9365bfa883c39ce38d0d26d1c1cb651e622364ff7ce90d0af91fe2ade2f6dca570769e9b4c2dbe078b161833a56bb83b7ce8ce2d4b285", &(0x7f0000000080)=""/42, 0x8}, 0x28) socket$bt_hidp(0x1f, 0x3, 0x6) r4 = msgget$private(0x0, 0x1) msgctl$IPC_INFO(r4, 0x3, &(0x7f0000000640)=""/139) [ 1907.107726] FS-Cache: O-cookie c=00000000e5d810ea [p=0000000059f7d46e fl=222 nc=0 na=1] [ 1907.116054] FS-Cache: O-cookie d=00000000f92b38dd n=000000001dfcf0b6 [ 1907.122605] FS-Cache: O-key=[60] '47504c216370757365746d643573756d706f7369785f61636c5f6163636573732d6c6f246d696d655f747970652173656c696e75785e2f776c616e30' [ 1907.132958] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1907.137054] FS-Cache: N-cookie c=00000000a8fe3e0d [p=0000000059f7d46e fl=2 nc=0 na=1] [ 1907.150919] FS-Cache: N-cookie d=00000000f92b38dd n=000000006f577a5b [ 1907.154012] CPU: 1 PID: 8136 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1907.157453] FS-Cache: N-key=[60] ' [ 1907.164589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1907.164595] Call Trace: [ 1907.164620] dump_stack+0x1c4/0x2b4 [ 1907.164659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1907.168171] 47 [ 1907.177530] should_fail.cold.4+0xa/0x17 [ 1907.177553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1907.180112] 50 [ 1907.183732] ? __f_unlock_pos+0x19/0x20 [ 1907.183750] ? lock_downgrade+0x900/0x900 [ 1907.189334] 4c [ 1907.191128] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1907.195187] 21 [ 1907.200274] ? proc_fail_nth_write+0x9e/0x210 [ 1907.202043] 6370 [ 1907.206014] ? kasan_check_read+0x11/0x20 [ 1907.206038] ? fs_reclaim_acquire+0x20/0x20 [ 1907.210163] 7573 [ 1907.211963] ? lock_downgrade+0x900/0x900 [ 1907.217484] 65 [ 1907.219280] ? ___might_sleep+0x1ed/0x300 [ 1907.223756] 74 [ 1907.225710] ? arch_local_save_flags+0x40/0x40 [ 1907.229822] 6d [ 1907.234129] ? fsnotify_first_mark+0x350/0x350 [ 1907.234141] ? __fsnotify_parent+0xcc/0x420 [ 1907.234163] ? fsnotify+0x12f0/0x12f0 [ 1907.236120] 64 [ 1907.240257] __should_failslab+0x124/0x180 [ 1907.242026] 35 [ 1907.246162] should_failslab+0x9/0x14 [ 1907.246181] __kmalloc_track_caller+0x2d0/0x750 [ 1907.247951] 73 [ 1907.252518] ? strncpy_from_user+0x510/0x510 [ 1907.252537] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1907.254309] 75 [ 1907.258892] ? strndup_user+0x77/0xd0 [ 1907.263197] 6d [ 1907.266975] memdup_user+0x2c/0xa0 [ 1907.268745] 70 [ 1907.272966] strndup_user+0x77/0xd0 [ 1907.272986] ksys_mount+0x3c/0x140 [ 1907.274759] 6f [ 1907.278548] __x64_sys_mount+0xbe/0x150 [ 1907.283214] 73 [ 1907.284997] do_syscall_64+0x1b9/0x820 [ 1907.289393] 69 [ 1907.294914] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1907.294929] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1907.294948] ? trace_hardirqs_on_caller+0x310/0x310 [ 1907.296719] 78 [ 1907.300510] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1907.302282] 5f [ 1907.305804] ? recalc_sigpending_tsk+0x180/0x180 [ 1907.305817] ? kasan_check_write+0x14/0x20 [ 1907.305837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1907.307621] 61 [ 1907.311260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1907.314779] 63 [ 1907.316558] RIP: 0033:0x457579 [ 1907.320499] 6c [ 1907.322291] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1907.326161] 5f [ 1907.327940] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 [ 1907.333291] 61 [ 1907.338190] ORIG_RAX: 00000000000000a5 [ 1907.343195] 63 [ 1907.344969] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1907.349969] 63 [ 1907.351752] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1907.356493] 65 [ 1907.360698] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1907.365525] 73 [ 1907.367300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1907.372474] 73 [ 1907.374249] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1907.377413] 2d [ 1907.387420] overlayfs: failed to resolve './file1': -2 03:33:29 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) accept4$packet(0xffffffffffffff9c, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000001c0)=0x14, 0x800) sendmmsg(r0, &(0x7f00000011c0)=[{{&(0x7f0000000280)=@hci={0x1f, r2, 0x3}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000300)="bfc2c5c621ce5eec019001dcfc474977ebc22bf47a280124a83a457578f0b406d525f29f4fc93edf7aa6e11bd990549731924e13b9f75da31f66bb3ee8e593adee261f697af4c84250c767b6fa15eb2cc701e833003a2e47746610ed09e8ff0533ae4895259ff68e70242b521f45c60bb8a170477dbcab53cdfb479d6a4a3891cfd18b81f0a34aa4df90aff1df4daa1724031e872e734cb5ab628291803f0036c66ea4c7a441f8a31abd6e0da6128fa805367611d08bc51554de78ca9b405de9a3418da16f57a6e0dd1b68b60af85fb48801e3dca30a2723d0d639dd0df3dd91f86ace2c70a179a210f4eef82e240061", 0xf0}, {&(0x7f0000000200)="ec5932dd5732efe636a0966634395cc31042475000f4c38a35", 0x19}, {&(0x7f0000000400)="bb6899d23d4ee3b33b184106483ca5a9224f24eedcf473f0e428d88961c898c953541e20eb196e3ed2b61a709d71ef3fa5230a80074914f2e6df5834f40fba53b0caa577058cb044bf11e0981747f840ca5b35cc403b6923e3095047899f6b6c3a5cef31ff64b281cb40f5ea477ce816393ea43600690e9f1a99b511c986e5e26d9a1fe8cd899517323750db97ad9ef9e995225a46daa74ebe6d9276cba16451ea443b09", 0xa4}], 0x3, &(0x7f0000000500)=[{0x110, 0x111, 0x200, "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"}, {0x48, 0xff, 0x0, "c7b39577ceaee09478dc6ddeb47e609ece3ba226adf4830412e0a3918f18ca875c0100e515722badc3b9069f889d461794a8c3"}, {0xf0, 0x0, 0x8, "e69ba0d760ee2260d70d863c79283a861fb2845ed10da5fd6081536fbac4ae13c757bddc31c38fcdbb892dad3f5332d207204f85028ac7b1bca683dcbc47448aaef3da2f74e99656664583497ecf66da8670b40062d4839661d0950041abed937ad509d44c0569e0361a8d8713ac45cdba7b8725b587565bf93907b4c0507b641dba5a21b6a4a7b08d5843a7c760803aa8ee07754917e2c081b31776a4524c940104eaad9117b54a03b402ca5d760bbf14120611ea4891b64eceed6326f6b7bf91c4a4ecf8136c081feb21dac574c98b34e1dc0e74bc9edcf3b6c51ad21d136e"}, {0xe0, 0x12b, 0x7fff, "711b2530fcbeaddd9893b36c1542e6144c792fec0585271e8ec594ea149a36f9a12d8bf22f41859d8b7b60cdc239105ffb3b6ab3c3b95a504f48d4c56287cb632392aad42f2d25f9b54e5128e39456ad5ccc6a0995c6943a21dadbdb051fd4899e32e33a0ce3c71a904df9b9750df41e8d98cfece32d969ac38ce7e71821b202eeab7628b1fb64b6faae2fd2dfd609105bf51cad3bb488360a0244fde42a1d8dcec6aa1e4ec913dbc83476aa8ef5b58dbe11511eeb11a9d81cef4dbb67a1278bda4dd55b2c8d3b39c1"}, {0x78, 0x10f, 0x5, "fd052614e03f19f0ae20fe28ce52700947d92d81735e633a14034a54d774d98097cd62b4c3370de65fd502660f74dbfc8d78451bc725a88458ba2c336dfd97f65db4b2462c7e2d00c13c6fcd821eaf2a04a89e4365fe6fad260728fc71bfbae2d7fc"}, {0x98, 0x103, 0xb0dd, "ff5b80fe43cbd9d7432a5df33b5c3130312e0b0f2779feeb9d9bf536f912829e3d89b86bb90431d6f605b57039d2bb9afa0627f19ed436339e487a3e3f1c2dbdf0d393fa45e057a2ddd0c5ca46695259748b327284dbdc123208dc187b45a1b0c57b39f3b18521b92c6ea83cc1a0d993385f6a420eb7bf295e5b8f142ec65181c0"}, {0x18, 0x115, 0x1f, "af56a9a831"}], 0x450, 0x4}, 0xffffffff}, {{&(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, r1, {0x2, 0x4e22, @local}, 0x0, 0x2, 0x1, 0x2}}, 0x80, &(0x7f0000000c80)=[{&(0x7f0000000a00)="0651bd05f3b2d77bf91e91821f9017cf3e397fe8df881403813390a524b880cd33716e16c3970cc88a6440c4e377b23c0ad97f347781b3f022ff76c663b11636d7971640054bc72d901bbc780a0c9c78186b59efdd0ec79ec3948f41d1b1e76f65e61808c65c187d00a319cb0cefa6e3fc2b02fd209892a3516b966f44fe44b6a8f3e0e6184022dbcf0a42de6e40f358741a987f7f6e4080c3acbf7168df64a88285da6744009c14ce8c8b408eb50cda1ffbadbd5a52f0b73bc82ccd1e7de928e31baa7f175a58cb22d49c70af157d667cd708a50ce8f1", 0xd7}, {&(0x7f0000000b00)="a02e7cd3deb0bace55d9ee0ac35b425d00bf1cf739d9e9d7d1b81df1792cdd30520fda517861fe57475e67c97f479dd133db02eb0d42ac627d4a402c730b4c5834cf6f0234aaceee86e2e5e5af28e3c04c805445b6a99b86e2785e9dc48e3be8c77ad9e7c107137fb200cc44e368b4590d5d2638b47c454b7213ce7e91e3f5b6c341d1c438cfe61603504d92c10dcb42c28f030e21b4f28495420d6efa5be3fe12c6f21418a354bce5e5d41d04cc", 0xae}, {&(0x7f0000000bc0)="35173213bd51b174e042983e66a7a9e28609cb332fb4a54bc9ae8a7e68fac2985d0c5e155ebb052417f1fd6b5619ff638145432545addb96a8c482448e8c71fbcb1599bb294510d99a52aa549dac7976794075dfc3cfce317d303f5b75a67bc0d23658eb5af55b7e1b5528fe74e164162c2dc434fb7ac26a0917873388e49d5ab06b6a65a72850d908f2a6036bccebce466abdf1bc99560baf405c9c4fcca4cbf7522a9f54c5f3545a9b3ee30f4578bfb6", 0xb1}], 0x3, &(0x7f0000000cc0)=[{0x68, 0x88, 0x7fff, "0d8b342893fa63603ea3632494f835ee356d911b0fbbce025066c6a5fa8b028639e3d2e994770966fee3d8619542405be8e64783db5526609b59da193684c023c3f63ea450237cd4f05c66870d27cb760d14e72d69ea"}, {0xa8, 0x108, 0x151a, "a5444c9a0e9529d7752942fc8903690ef4ce7b44d30dea73097b6bfa33cb7071ec272171afd8b740562596f922e13fc9594f641c26f7f1db748624a8ee58e4ba33cd54de674eb1eb70bf1e2265ec28b29b016edfcfc3c31bf23dcc016ca4a4e23a9f54f72780c55c083f6e50116a782e549249c2d2cff0624a72263f695b7d5be8246d94a1fc189832263bfd6cd248ca31db59"}, {0xf8, 0x1ff, 0x6, "a384e27ba666e8ddad8a9252abbea56ce26c31c968ca37599e5dbc1e4b4c919239b146e33756a9e5069462668f48e3c8878a78028ddb3c2bfe2d77db09d9faf69fa8726d879d9cdeffac64a32fd4bda149f0c181d9d3334c9baaae36c77cc1f8bdedbb8645a6f3b1cc752b639e5ee2bb9882f485be1906782fa9c0ffda161a596e645e6a0dfabd848a907bde5795acd4452324dcaa57f972dc17a1169106398919db2ecd8a7561b0ee6282f92931fc3c6ad8b9e1bac2f987c7f9bc7303e7b4c0874856cc64eeeae808804c2f8ecf4447a096cbe04bdc8011e97ed8599b6c219bb7e81e9fb6e39bf3"}, {0x108, 0x0, 0x2, "a7cdb6bd3f09a1b58bd0b5a036226a63d37a8a837365a1e121ba2fb1065b351c2b687fd657d1524354b2e22bb3b04c704d381c97ae34f54b5bf61329fb8dee2e887deaaf2ea9d4855b5956bbeae322ac97d0f1c243c7a3af6d59026c000251fbeafbc87b13d2c572fa0fc4e1d337e1354225b0b647654e5c5778b1872e4266f248f042c02978dc45447e916181364450dbc34f6da5608a5485cf219b34f03490f324812e043861d4ae0c50ceb4fc33e26cef9ae9bf3e26dbc76c09090b324350e95d92ef770807f43afd908e53087165add543e424d1ed56433e9081ee5bbd3bf2438a98d560d60f2af2fc0745109b6c3690ed"}, {0x58, 0x11e, 0x7, "9622db900df79b9dcfc08f895a8a770a9d1611c932a3e6f1a4a2236aa079645114a730d4e72e2855a0403518e1b0766363748a7c79ea4e8526e58c1784b11c15fbbf968da17815"}, {0x28, 0x10d, 0x2, "6a86e9bdf7f8daafdf7e7324fd4f42bcd20416299e"}, {0x100, 0x0, 0x5, "a6d6dd65a12e63f07f4f044dbb8287401a4e670b8d7aeea003ab1975c3fe19c07b17392c2799690e7e70a8ab0ed9454abecfc9de512baad15fb7cb60d8fa952b90dd0260ac1fcae2380e39513c258c554524a4eec86e1d0cdad089fd3486ca04f0310c70a338e229d57c209e9bee710ea1f45a32945ceb9c0196164318a69c47c9229a5d50845559eb668b084991b31a55be91123b45bbfd82f202642b048916617150a91b83594c8c324388b38b86b37575d0f283f59d6eb89e5f976e882d24d85dfefd39d618115e218c65a7b1f4be03fa3f6bc8566a606ea5bde6b3f1d2b7cce4de364484140845"}, {0x38, 0x0, 0x7fff, "4328c698ad6580951fa94668b315365d87898f3fd30e9e4c665da04f05d23f5d3b"}], 0x4c8, 0x40}, 0x309d}], 0x2, 0x0) r3 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x5, 0x0) sendmmsg$nfc_llcp(r3, &(0x7f0000005540)=[{&(0x7f0000001240)={0x27, 0x1, 0x1, 0x7, 0x100, 0x9, "fde6267ad8cbdbbff19054321dfd330f5d6d8b884954a40fd36c6931483b8462c831f739214e30ccb1bf6e19fbb1ff1d25b65f7cb8aa9f39bd76f0866638de", 0x14}, 0x60, &(0x7f00000013c0)=[{&(0x7f00000012c0)="73dbd7fd8de7fdc2ad2cfcfa84e2d9495e0b6d3737cd674bcee398938c6141c630d3170794f819224b13d7a7c78ac4fbdcef195ce4eb60cba088950e36ef208813896cecc1902b398b2d2e53fc44c1bc3fbb37403968daa875ec2ee022e4c9d55267802dc0d9af973015c429196a3bd1cf210e83fb5a10e3e91e8cb0de2f80092680fcdcc003c3904eb8478a7e279ac0eb869795842f9347f5", 0x99}, {&(0x7f0000001440)="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0x1000}, {&(0x7f0000001380)}, {&(0x7f0000002440)="86f71beb6db7182ff07e4f525ac130a4143ba052ef27ceff6d5a28ffe23e5ed69dc4fe28531b0aa26601198ec1ab9bc4b2ac068dc6f3cab76a8d06b7e0c51eaaf4e6dda0f9e0734be9f4b1ce174ef922d84a4ffb05f6d46b48f705537055bd6122a9fc5369393ed5dd97b7c1e86c5d0f4d32406f18adbb9cefab4a28bbf1b53ab5ae54", 0x83}], 0x4, &(0x7f0000002500)={0xb8, 0x10e, 0xfffffffffffffffa, "f11ce7555b313f7ecb2bd77b913cba4fb7b5cdc7b8e47f729f5a9d5d66494356e31dfe3e53cb59ef34c32134b1692c8604b87df1074f229e4ead4ab0e6b501b152b54958acd18c75db7b23be4e2e2f64b7e0c1926a0b1f9ed82a44e8c56132592c084c100a528716371ca812bb5922a8a870a06c32b0dce94dc8d08068c1226790017d03d22e0381ce110523eadd66eafd6f9b2b4587488b7073ad5ac1e8647aa1"}, 0xb8, 0x24004005}, {&(0x7f00000025c0)={0x27, 0x0, 0x0, 0x7, 0x10000, 0x1000, "343051767325860cdf07c6ff46e3bf39ecd414ed6032e71f4fabd239e68bfbd825f2a22add3c49a172b2c2a76fa2b68a05890611661de558f40ba734d3cb13", 0x14}, 0x60, &(0x7f0000004800)=[{&(0x7f0000002640)="51c7a1c1ebff72934aa411cf6d10bc20d353544ab9142572d5e0137cd1901f1a6714050144acd03820d484a4efbd9132afe48b544de3d376f46da50548af9728e4e724c10ff91f04ace42f061045c33ce275392ebe325bbb7299", 0x5a}, 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0x1000}, {&(0x7f00000046c0)="b005c39f5d423ac92ac347c0f7a7b45635c9e641d0a5ead5ebfad067f395d4afc1b401022295eada54c6a9d1b974b8e30782f80e0df4a02433aa", 0x3a}, {&(0x7f0000004700)="a680f4e20d89e5222df474b961804a9c7690bc2530bb02ecdc5f0871cfd7ed762d2598115423ea7b43657fab6396c7d1977bb1463a862b2271c97fd5c78d58bf1bf1c88423f6175bef46c26445c4d3044848b9b50a58e96d884b7ed7e7afb5b11e00faf3c622850a458d17b7d8e2cfd9a421eb986021b2f83762923db89f12ef4863bf0a6dc6c793d5dc68cb4a907c80548c7d07355f7c06f1034d67590d78d0e0d13fbf434bb5e6abc7d230285b0eaf7b9ebcb3377c4a6cb5987b72bfdf39089a29f647cabd257c87c358e978ea352fb94c22978a049f55b3b0568bc6a846b7ffefa1e01cc97bbeddceb66085db1f53beda19f9d52c55a8", 0xf8}], 0x5, &(0x7f0000004880)={0x80, 0x10b, 0x5, "7940333c2937f1fbc16afebfdc03fdec55665d612743e686741b49531c352a8785a1fda867c576b33c95650c83bd4c68534fbbeb5a7cc1b17d9b386e629ac6963d6de0701b1607e56013a909e2bf4eab5dfcc1e32fc240559cdec78cc1610f346796c2d4d4cc08f3b7e490d0e386f6fb"}, 0x80, 0x4000091}, {&(0x7f0000004900)={0x27, 0x1, 0x2, 0x2, 0x8, 0x1, "51d6d0ac33387dc36197467a803ef91b6c55081d0a428ac6cb365f2e4df852d08f356de46619ebe40e0297a56a35e9ddc827ae0b29e86d3151b4acd0e0f1b2", 0x3a}, 0x60, &(0x7f0000004ec0)=[{&(0x7f0000004980)="9a5c29c6fb1793ae29f2c4ce9ff9559973c2557f54f6170f909a1e26fb26c982588ba7f20034180d78f2e7bafa2e15ea07c77a7a65d0963eadf11906bba4620d104abcdc41fbd18b60516be2cd4d529b62ad0cfc58a1586c0d1d5551de8045561677276df1e31a7ecd19367bee64bb3a3b9062b8a2b062b330b8e6e1e4112337f9b61d296302521d34652298aeb133d479c28fd207fd081f074feb163f96e60675f6a6da5d1dee84bae4b1329d0b3659a02388b0f3426ee5dd944f910c84cec21628f624da19f5eded871b4a04cfc5fe15e0ca2206271d043551e951", 0xdc}, {&(0x7f0000004a80)="65af2bb35f0f110551b14c05c0facf07fc72a17cda16f76ee8f2dbf7184782ad49bcfd13f97177dc492f8f6cb0be5472d643f36aa296dce8d26d6d3e7ab54ac127ca9b1e632ed095d3c2c7166893b0bf45f4186ae0fa9a5e0e5542af0d3681f26ed480b2afa91e1cb9d637f6b85b6e54b898d7f2039341ea736c7d1be6a1aa1c08fbe7892c50177b7266e34aaafaf65f78369a2d4b8f124e8bf70d4c73a42556b6fca58e2294a6ad4e089716480927f7aaac14007045982dd9a3d6", 0xbb}, {&(0x7f0000004b40)}, {&(0x7f0000004b80)="110e289b56c4497172560bd671bb579883102e153df7e385c227c5214db3131cb9b4cd9293b2901942d95533c0cfc4245ef5f083e63b282954844af01fd0d7b8b6fa719b068d1d19cd61153cd3c76e4d75c3b63ad2e285af7db8c89f2ed49a63f7cbd5a357334fe0426c8c8ba04734907b0dd3e4a6a4af5a0c9026b22b3f936cf2b04873bfa11e739839a39da8034213f85ad18b4794e980b7d0caad0efee6a822bc3f18ec2383cc3fa6f65cde1773a4f15170d5ff764777c50aef5927e44aee15c19ded1a26ef1465314cbae0f7448fcb5066de2367260b0c850945d1c478b803dd8c2e80a71f", 0xe7}, {&(0x7f0000004c80)="c847a1ba0f5e7e7620f3f22be45b40219dd1ec6b3408f568f0416c16248d2a0fb82f19520f89941d0b813caf31578ec8a8e956b6126d10ab7d20f95875b19ef8a2b38608ee4fac1c6c6f43f666c1d229bb3944e407bddb7b1e538538595c8e771cf9a152a4517b45cd78990eac2569b87854d2b9cde3441c9e1357c1663f942eeb65ab652d3b86807cc8e5c5182d7591fe990f6e094ab97232aefd9b919de128db2a81f03ea84dbdd24f9adca653c4828be4426369f23eabb9e09d4de69acdbd91c47d15fb59499e96550f5a0c75a736be3dde8b612fa1054ae24cdbc07606", 0xdf}, {&(0x7f0000004d80)="ae9aba8de2806334ca03f95d81a4ab0104a11f0f2be9b494aeb83be9d322ee9df591096dd06dbe87c9deb675082cecffc89328e4de3026ca120fe4ba9336daf8404023cddfe76c8483568a900b46f65ada355a0a701e4a5c98b821973bd973a2dfb62e48083df60d3247e36dbfeb6b47d8ddbfebf53b3e0015f1446f58e971c4613c8fb3d1dbec64ecb312fc32f1421c6dc939b560a3e0243de3801f7c748ee9102a5251f37232db0b3b4628675a", 0xae}, {&(0x7f0000004e40)="be81e7ef54130f7b76df5a07cbc5bf68d492673fa9f619e925", 0x19}, {&(0x7f0000004e80)="2c18fafb59a9f4a3be58d9dcb7f673b4dabe5eacb0b1deb5f4e58cc222fd635395", 0x21}], 0x8, &(0x7f0000004f40)={0xf8, 0x103, 0x4000000000000000, "34c15e84121cdd3d75e9f086fb35cc072de4e6ed4106ad3d2bf322d6e87691962541530547b51769fc75fc299738f3b99dd0fc9bdc392c290f86aaaa4cabf51cfe89ca163c381a354f0526415986aac5838f02dc8a2e398f7dd586ab726af0c15700d7511fc5265bd7fd6dc4bfc32e1d451e4466586e3226956b76b5510e614c87320d02e83b3e62162f312cfa4c8591f6ba5d309644841cc21d587b10413d0ceb205b6e7d53ced36c241dd46e3b0fe7245de49f229862fc70922b3481ede5210a0dd741080e2e035bc35605e137b283c20509a46f916ee35dfd7c524382545d3d26"}, 0xf8, 0x40}, {&(0x7f0000005040)={0x27, 0x0, 0x1, 0x3, 0x4d, 0x4, "a08cb0e0e0cdd1cd8d5cd6507023e78c189817f5e25866d72bea536a107a8dff7c3b3a14220983b76e3af3c323dd124a0f3206b04b614d12963583cbc06596", 0x30}, 0x60, &(0x7f0000005400)=[{&(0x7f00000050c0)="da1f7f31520201d08ddb81313d9c971811b9f2b29f8aa4d0eb946c590479712ef0100f6cab25ffa997500ce214d670c53fa0e41c35556bc7178d3987fba12bcd196e89e0414010b5e0bb6beffb9d5363236b8847a0ae05a14c830246fb91c987c4ed1ec8bdd6f50676e85a", 0x6b}, {&(0x7f0000005140)="ce6ba1a0f27ec47317eeadd18d51e6b401f4036a415cd9474a50909cf587664533236349cfc1e92f6440b545a05a948487550cc71a9674d568a959d4ba163ebb6acb86682e2f14799452caece27715c6a6ad425386b0629e93fb937ba5a036a560f59c7f46890d0c51ffba440ddd53bf80208d12c3e95745f6f0f015d280b634684cefe7a9afa0354873869c0d0afb658b895aa20daeeef64005a3", 0x9b}, {&(0x7f0000005200)="c07a7355a9500970b84d38ced7bbc0671f7fa244563cac15888700366611d6c05e4c2e8897ed850c95435ef2633420087df00f9cef4f268ec7", 0x39}, {&(0x7f0000005240)="e31617049d37d945026874af219bc7bb7a634b6ecb86cc8cf2a1410ff21319f563a383d9981a56f0e39bea8c8c7d9a2323bb069f2d96090091370c68331681783b34049a53cfef3f5619997388d394cfe1865652b7fc89b73f2567283cfa70a2", 0x60}, {&(0x7f00000052c0)="fcc911d7562978ec386ae21177917d329eb56154cdc7f7fa596395677a73d4fab9b81ed4d5b19d17dcb543d6467f5680af44a636ced8fa7dc2db518fa55cf86ac82bf36ba45aff49b5d1e122561c1d43639830c75e4843f0e7fec998da05c497152fc1b88b", 0x65}, {&(0x7f0000005340)="36628f82f0e68454bf074ed649a51974f0fdd1e650c3ba13263f4b69f6af67b73a1505c33b4a891b5a77cc86214cbaca9756a57565a3ae966e1b13269367b0b4bd937e42538cbe527e5b16a3b465829ac6b1236b5497fc95880a639edd46e553e19997e30589d0fc885209484700f20896b28c263174309d1a769d5b48a0755441be9ede980675bc00", 0x89}], 0x6, &(0x7f0000005480)={0x98, 0x118, 0x1, "748a4d7552f00b60ad22c86d08d7429cbc254ee8618e93999c434840a90e5fe9875feb446f3a84ccf56dba76bfcd7b84144b0025e06dba12d83ff2faf024009466e274dee7f577c99a18a8bb67f2409144ebfd52ff4cb249776c7595bd8b398a7b2ad633821e03fb4ec676730460921b62c7e73caddcd56ffadf83abebd4f68a166c8c248a646744"}, 0x98, 0x40000}], 0x4, 0x1) getsockopt$inet_mreq(r3, 0x0, 0x24, &(0x7f00000000c0)={@loopback, @multicast2}, &(0x7f0000000140)=0x8) 03:33:29 executing program 1 (fault-call:6 fault-nth:1): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1907.398123] 6c6f246d696d655f747970 [ 1907.447467] 6521 [ 1907.456557] 73656c696e75785e2f776c616e30' 03:33:29 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x88ffffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1907.517486] FAT-fs (loop3): bogus number of reserved sectors [ 1907.523650] FAULT_INJECTION: forcing a failure. [ 1907.523650] name failslab, interval 1, probability 0, space 0, times 0 [ 1907.529261] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1907.583854] CPU: 0 PID: 8150 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1907.591090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1907.591096] Call Trace: [ 1907.591119] dump_stack+0x1c4/0x2b4 [ 1907.591146] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1907.611899] should_fail.cold.4+0xa/0x17 [ 1907.615969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1907.621073] ? perf_trace_lock+0x7a0/0x7a0 [ 1907.625300] ? kasan_kmalloc+0xc7/0xe0 [ 1907.629173] ? __kmalloc_track_caller+0x14a/0x750 [ 1907.633999] ? memdup_user+0x2c/0xa0 [ 1907.637696] ? strndup_user+0x77/0xd0 [ 1907.641480] ? ksys_mount+0x3c/0x140 [ 1907.645265] ? __x64_sys_mount+0xbe/0x150 [ 1907.649420] ? do_syscall_64+0x1b9/0x820 [ 1907.653475] ? proc_fail_nth_write+0x9e/0x210 [ 1907.657959] ? kasan_check_read+0x11/0x20 [ 1907.662100] ? fs_reclaim_acquire+0x20/0x20 [ 1907.666409] ? lock_downgrade+0x900/0x900 [ 1907.670546] ? ___might_sleep+0x1ed/0x300 [ 1907.674682] ? arch_local_save_flags+0x40/0x40 [ 1907.679248] ? lock_release+0x970/0x970 [ 1907.683208] ? arch_local_save_flags+0x40/0x40 [ 1907.687780] ? usercopy_warn+0x110/0x110 [ 1907.691829] __should_failslab+0x124/0x180 [ 1907.696064] should_failslab+0x9/0x14 [ 1907.699854] kmem_cache_alloc_trace+0x2d7/0x750 [ 1907.704512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1907.710039] ? _copy_from_user+0xdf/0x150 [ 1907.714178] copy_mount_options+0x5f/0x380 [ 1907.718412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1907.723937] ksys_mount+0xd0/0x140 [ 1907.727465] __x64_sys_mount+0xbe/0x150 [ 1907.731427] do_syscall_64+0x1b9/0x820 [ 1907.735300] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1907.740666] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1907.745593] ? trace_hardirqs_on_caller+0x310/0x310 [ 1907.750608] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1907.755620] ? recalc_sigpending_tsk+0x180/0x180 [ 1907.760363] ? kasan_check_write+0x14/0x20 [ 1907.764595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1907.769433] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1907.774616] RIP: 0033:0x457579 [ 1907.777799] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1907.796686] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1907.804396] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1907.811651] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1907.818917] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1907.826174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1907.833430] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:30 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf8030000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:30 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xe00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) shutdown(r1, 0x1) 03:33:30 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf000}}, 0x24, 0x0) 03:33:30 executing program 1 (fault-call:6 fault-nth:2): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xff00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1907.999217] FAULT_INJECTION: forcing a failure. [ 1907.999217] name failslab, interval 1, probability 0, space 0, times 0 [ 1908.022052] CPU: 0 PID: 8178 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1908.029292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1908.038656] Call Trace: [ 1908.041267] dump_stack+0x1c4/0x2b4 [ 1908.045377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1908.050603] should_fail.cold.4+0xa/0x17 [ 1908.054677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1908.054698] ? lock_downgrade+0x900/0x900 [ 1908.054723] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1908.054736] ? kasan_check_read+0x11/0x20 [ 1908.054750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1908.054767] ? rcu_bh_qs+0xc0/0xc0 [ 1908.064013] ? fs_reclaim_acquire+0x20/0x20 [ 1908.087008] ? lock_downgrade+0x900/0x900 [ 1908.091164] ? ___might_sleep+0x1ed/0x300 [ 1908.095310] ? arch_local_save_flags+0x40/0x40 [ 1908.099892] __should_failslab+0x124/0x180 [ 1908.104117] should_failslab+0x9/0x14 [ 1908.107909] kmem_cache_alloc+0x2be/0x730 [ 1908.112046] ? kasan_check_read+0x11/0x20 [ 1908.116181] getname_flags+0xd0/0x5a0 [ 1908.119973] user_path_at_empty+0x2d/0x50 [ 1908.124109] do_mount+0x177/0x31f0 [ 1908.127653] ? copy_mount_string+0x40/0x40 [ 1908.131885] ? copy_mount_options+0x5f/0x380 [ 1908.136279] ? kasan_unpoison_shadow+0x35/0x50 [ 1908.140860] ? kasan_kmalloc+0xc7/0xe0 [ 1908.144742] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1908.149585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1908.155113] ? copy_mount_options+0x288/0x380 [ 1908.159602] ksys_mount+0x12d/0x140 [ 1908.163219] __x64_sys_mount+0xbe/0x150 [ 1908.167188] do_syscall_64+0x1b9/0x820 [ 1908.171076] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1908.176433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1908.181352] ? trace_hardirqs_on_caller+0x310/0x310 [ 1908.186355] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1908.191356] ? recalc_sigpending_tsk+0x180/0x180 [ 1908.196099] ? kasan_check_write+0x14/0x20 [ 1908.200344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1908.205182] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1908.210357] RIP: 0033:0x457579 [ 1908.213917] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1908.232809] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1908.240504] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 03:33:30 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x2000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x87de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1908.247760] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1908.255028] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1908.262285] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1908.269548] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:30 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) ioctl$FS_IOC_GETFSLABEL(r1, 0x81009431, &(0x7f0000000140)) 03:33:30 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffffff8c, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffffffff88000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1908.356681] FAT-fs (loop3): bogus number of reserved sectors [ 1908.372563] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:30 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x82de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:30 executing program 1 (fault-call:6 fault-nth:3): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:30 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xfffffffd, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1908.480310] FAT-fs (loop3): bogus number of reserved sectors [ 1908.504697] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:30 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x500000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1908.530495] FAULT_INJECTION: forcing a failure. [ 1908.530495] name failslab, interval 1, probability 0, space 0, times 0 [ 1908.544385] overlayfs: filesystem on './file0' not supported as upperdir [ 1908.613654] CPU: 0 PID: 8221 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1908.620897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1908.630262] Call Trace: [ 1908.632869] dump_stack+0x1c4/0x2b4 [ 1908.636541] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1908.641760] should_fail.cold.4+0xa/0x17 [ 1908.645843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1908.650962] ? lock_downgrade+0x900/0x900 [ 1908.655128] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1908.660940] ? kasan_check_read+0x11/0x20 [ 1908.665103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1908.670393] ? rcu_bh_qs+0xc0/0xc0 [ 1908.673965] ? fs_reclaim_acquire+0x20/0x20 [ 1908.678305] ? lock_downgrade+0x900/0x900 [ 1908.682469] ? ___might_sleep+0x1ed/0x300 [ 1908.686640] ? arch_local_save_flags+0x40/0x40 [ 1908.691242] __should_failslab+0x124/0x180 [ 1908.695489] should_failslab+0x9/0x14 [ 1908.699320] kmem_cache_alloc+0x2be/0x730 [ 1908.703485] ? kasan_check_read+0x11/0x20 [ 1908.707669] getname_flags+0xd0/0x5a0 03:33:31 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf0}}, 0x24, 0x0) 03:33:31 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x55de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:31 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) fadvise64(r0, 0x0, 0x3, 0x4) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:31 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xb5a80a0000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xe4ffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1908.711489] user_path_at_empty+0x2d/0x50 [ 1908.715660] do_mount+0x177/0x31f0 [ 1908.719207] ? kasan_check_read+0x11/0x20 [ 1908.723364] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1908.723381] ? copy_mount_string+0x40/0x40 [ 1908.723392] ? kasan_check_write+0x14/0x20 [ 1908.723403] ? copy_mount_options+0x5f/0x380 [ 1908.723418] ? kasan_unpoison_shadow+0x35/0x50 [ 1908.723429] ? kasan_kmalloc+0xc7/0xe0 [ 1908.723448] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1908.723469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1908.740726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1908.740744] ? copy_mount_options+0x288/0x380 [ 1908.754031] ksys_mount+0x12d/0x140 [ 1908.754048] __x64_sys_mount+0xbe/0x150 [ 1908.765103] do_syscall_64+0x1b9/0x820 [ 1908.765121] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1908.765137] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1908.765159] ? trace_hardirqs_on_caller+0x310/0x310 [ 1908.781095] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1908.781109] ? recalc_sigpending_tsk+0x180/0x180 [ 1908.781126] ? kasan_check_write+0x14/0x20 [ 1908.806235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1908.806260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1908.820583] RIP: 0033:0x457579 [ 1908.823793] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1908.842707] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1908.850442] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 03:33:31 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xa0008000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xebffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1908.857724] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1908.865009] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1908.872293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1908.879582] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:31 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="000000000000000000000000000000767b5503d7d6bb41d8bc98524e64d75f1bf037ff60a928817be5837c382ed4cd27a8830d42668b710543845e2c7923a9d64ef3c0494f9b79af5df969f1d86582c3b8cf76ed39c696e47e2e09c07fd1f86262e2dde650fa1b10240973ef59adffa09cb11bf95c74e9e373d0c246c1d0d69ac80d8f36c1a1f5cbb1ab2097f65f602faa3d096ded3b69319b361d6d46ae7ed28cf42d98ff99c35b5164c6f6522722f0a26212d09380a201553d61b9f9dc683565791ec199c5e8538b31997bbeabc23136c46b6a2e38ff62cf181066785ef024fb39b4fd247da3"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) ioctl$int_in(r0, 0x5473, &(0x7f00000000c0)=0x3) sendmmsg(r0, &(0x7f0000000080), 0x0, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) 03:33:31 executing program 1 (fault-call:6 fault-nth:4): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xbfa80a00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x76de}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1909.040842] FAT-fs (loop3): bogus number of reserved sectors [ 1909.091235] FAULT_INJECTION: forcing a failure. [ 1909.091235] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1909.103207] CPU: 1 PID: 8276 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1909.110403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1909.119769] Call Trace: [ 1909.122374] dump_stack+0x1c4/0x2b4 [ 1909.122395] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1909.122420] should_fail.cold.4+0xa/0x17 [ 1909.135294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1909.140412] ? check_preemption_disabled+0x48/0x200 [ 1909.140430] ? debug_smp_processor_id+0x1c/0x20 [ 1909.140450] ? perf_trace_lock_acquire+0x15b/0x800 [ 1909.150156] ? mark_held_locks+0x130/0x130 [ 1909.150168] ? perf_trace_lock+0x7a0/0x7a0 [ 1909.150186] ? perf_trace_lock+0x7a0/0x7a0 [ 1909.159330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1909.159345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1909.159365] ? check_preemption_disabled+0x48/0x200 [ 1909.167800] ? debug_smp_processor_id+0x1c/0x20 [ 1909.167816] ? perf_trace_lock_acquire+0x15b/0x800 [ 1909.167836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1909.178867] ? should_fail+0x22d/0xd01 [ 1909.178887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1909.178908] __alloc_pages_nodemask+0x34b/0xde0 [ 1909.188558] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1909.188577] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1909.188594] ? rcu_bh_qs+0xc0/0xc0 [ 1909.199051] ? fs_reclaim_acquire+0x20/0x20 [ 1909.199065] ? lock_downgrade+0x900/0x900 [ 1909.199083] ? ___might_sleep+0x1ed/0x300 [ 1909.208036] ? trace_hardirqs_off+0xb8/0x310 [ 1909.208056] cache_grow_begin+0x91/0x8c0 [ 1909.208075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1909.218504] ? check_preemption_disabled+0x48/0x200 [ 1909.218525] kmem_cache_alloc+0x665/0x730 [ 1909.218548] getname_flags+0xd0/0x5a0 [ 1909.227079] user_path_at_empty+0x2d/0x50 [ 1909.227096] do_mount+0x177/0x31f0 [ 1909.227111] ? kasan_check_read+0x11/0x20 [ 1909.235548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1909.235565] ? copy_mount_string+0x40/0x40 [ 1909.235578] ? kasan_check_write+0x14/0x20 [ 1909.235589] ? copy_mount_options+0x5f/0x380 [ 1909.235605] ? kasan_unpoison_shadow+0x35/0x50 [ 1909.240984] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1909.244132] ? kasan_kmalloc+0xc7/0xe0 [ 1909.244153] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1909.244170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1909.244187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1909.244203] ? copy_mount_options+0x288/0x380 [ 1909.262937] ksys_mount+0x12d/0x140 [ 1909.262955] __x64_sys_mount+0xbe/0x150 [ 1909.262980] do_syscall_64+0x1b9/0x820 [ 1909.262996] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1909.263010] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1909.263028] ? trace_hardirqs_on_caller+0x310/0x310 [ 1909.263043] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1909.263059] ? recalc_sigpending_tsk+0x180/0x180 [ 1909.263073] ? kasan_check_write+0x14/0x20 [ 1909.263092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1909.263113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1909.263124] RIP: 0033:0x457579 [ 1909.263138] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1909.263146] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1909.271096] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1909.418333] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1909.425595] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1909.432852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1909.440109] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1909.483989] FAT-fs (loop3): bogus number of reserved sectors [ 1909.497735] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1909.507977] overlayfs: filesystem on './file0' not supported as upperdir 03:33:31 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xfffffff6}}, 0x24, 0x0) 03:33:31 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x9, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 1 (fault-call:6 fault-nth:5): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs\x00', 0x100, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000140)={0x6, 0x1, 'client1\x00', 0x2, "618c25d481bae148", "350550d7f84c66a848ecb3191c4c2c5ac3628bb7a2442c51d12d87a83afe1f07", 0x10000}) getsockopt$inet_pktinfo(r1, 0x0, 0x8, &(0x7f00000009c0)={0x0, @multicast2, @multicast1}, &(0x7f0000000a00)=0xc) sendmmsg(r0, &(0x7f0000008640)=[{{&(0x7f0000000280)=@in6={0xa, 0x4e24, 0x81, @mcast2, 0x66}, 0x80, &(0x7f0000000680)=[{&(0x7f0000000300)="4bd430e0fa354ec629aea1bf63d1df2bebfee676a4c8d13b8c10b35c7a1d8ce804169fa5fca304d82cfe3dfb51c84105fd46a1bec286111c26aa80b8bc4c31f78fb99d67a642e2fd0afa5b3ff49cce86958b63626d68adc9ade0ac1dd8df2535dd0247e740d1abd4046beaf45d4b77d2f18cd7facbb24e175aef376b1feb", 0x7e}, {&(0x7f0000000380)="1594a4db29ce97145fff2a3025e043632267734d6bb4d1337fae0bc44a0b2060b707fb1da361096ede9e97d8d73f8c76fb8c8748ac24ecd89c7d9f47759618af5f88edbcead8cbd7082994715004307fa463733a967bb5a98da39872fe7fb1544f2d6d3226f87b8ffe2a64e296667793aed2f2f20e95b7a0", 0x78}, {&(0x7f0000000400)="45de25a82bd6526ca9477bc37914ab3c3039fe5945e2b8af0f04f6ce97221004a141b73025070f0a7f17b82ae98bb14f0d9616e95deef91275bfeac5a803980508e0fe03a6f212526ae21d077c87d92af6c6b91e33f8ea399ec3af29ac89cce7342234cd2059e6b5c6335e00f1cfd04e7feab0b9b57f039d25a18aa5b06ca0506e7b0d1097dadf632c642e0dc21c216d308a551a3d787764bcec8f46f50483fa64e52204c10723d818a5c886fe4461dae1dc1e3cda68dd629dfc3e6126c423ee0dfa0f3b90ca2abda0eaa77170703782b1d2f698b484cf63b7e60be4b618470c645d4f718f4549da0e19cf1e", 0xec}, {&(0x7f0000000500)="a28e33cedce3cfdaf19ab59539411657783edad346f895bd347f17e3177182ae0ad33f132af803cf9ed3518f67769331f7698bfd60e4fc84fddc60d623553f5d0f23a96e86e2aeb5b9cbccd3e92da5ea3b731f9e54b50c5caa7bb23ca6454554b7e161705ba5b6a2f0dc54f6afef00e89d3b154405f364d9e56fed8ad8d74d4830b8144d", 0x84}, {&(0x7f0000000200)="cf8b7d976fea", 0x6}, {&(0x7f00000005c0)="4b6c0bd3b5cf5424ff412979b7a3ee68f118af810a573999a2e93e8154b743d5ddba6182e4d4dbe01da69ee9", 0x2c}, {&(0x7f0000000600)="447896326bb89025699140c56e7566aa6139b90611fb3e22501d3348d042cc11b9803a84cc00c767c5f570ef010260a7db576d9dd76fad4928aa8c857d2044b543773145a1b394f6b99746c3ea029da9", 0x50}], 0x7, &(0x7f0000001440)=[{0x1010, 0x104, 0x3, "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", 0x1000}], 0xa, &(0x7f0000008300)=[{0xd0, 0x0, 0xfffffffffffffff8, "67adb70d0f6b3f8a12b1db11327097753362c71e699f88cf9fdd98860870ee0cf8fa5f362af895319088bff867d9843811efac7d82d1c76192a695a69dbed9e0bdb0d810ec6499879fad2d90ef327ba572ffbed209486f69ef67748310b64a1a6ff139fde0577340c9879403ccd0113faa268098ccd38dc075bcc6b9d6991f7eb10755ab93f99fb775fd27d34b850cf8d94e9eace6293ad7c23e6e5e13b8e047756af79ecf96e5f8bff8e75605c08fa7b988e5247c1b29d366387c6aa2e224dc"}, {0xf8, 0x103, 0x7, "8f81591e7c32cb3251fa4a67c46aa8dcec697af0a2fea12913bae925c9ec83216b9e1c53bf6bb7c58d8c48d846840f8b1f42489d35fd7a7a3e813f1177d02d0381517e2f3110b9f6cc22522682be134b57e6fde4275b2e2faa587ce50d16356f6b31335a1adec164dd8a2cdc97c60aefb372432350025f560c49fe525a96a097cc9a089cba19e57ec3f8fdb8592e811d428068ee8ebe766d3cad4b9a7003dc83370c96b88890d895433dab1d0047e9dbb974b05079a5d4192e6dbe517915690db6d36e5d40dae8482f56aff4fb209f112f39b76019641f47267d4c652b9329dbb18209de1fc77158"}, {0xe8, 0x12b, 0x9, "429bb0de844765a8a5dbc3126cb7c80191b8704c4d58f1003562af9cfad240e4a0d7ae2b6c1e5dece15dffeb9a52035fbad936a562f06fac780a13a7aa4985feb34955973fdcecf6411fb072aa204e0bfd83da7a3260460acda5a6ac152b80c214b89c569caf7ed0f504165d51f9a6d7d454a72c6c148a445d40ea7ed0797ea49c783672348f3185b877441d23e2aa03508f16a4460f3b8d14c8b7355c9a6aa67a809335d00769f7e44032f954b2d98504f2d8355a16eb2340a3b91cbe1407a69488d2f57968a4b232d8729ab2db8ad4b2b6"}, {0x70, 0x0, 0x7fff, "702c37209898203f43148e82bf4d3fbf28e9dbbfd61f06f88695d4958290503492c0293a3662916fc85ec849e090ea8f58f6f111ecc13077511af3681b978acc4351e87f43c0c5f8e05291b8ab5fd66f46574cdc7a254dd7534798c4"}], 0x320, 0x90}, 0x3}], 0x40000000000006d, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r1, 0xc0086420, &(0x7f0000001040)={0x0}) ioctl$DRM_IOCTL_UNLOCK(r1, 0x4008642b, &(0x7f0000001080)={r3, 0x20}) lookup_dcookie(0x200, &(0x7f0000000080)=""/33, 0x21) ioctl$FIBMAP(r0, 0x1, &(0x7f00000010c0)=0x401) 03:33:31 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x900, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:31 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff00000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1909.584949] FAULT_INJECTION: forcing a failure. [ 1909.584949] name failslab, interval 1, probability 0, space 0, times 0 [ 1909.614953] CPU: 1 PID: 8294 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1909.622192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1909.631564] Call Trace: 03:33:32 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xfffffffe, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1909.634179] dump_stack+0x1c4/0x2b4 [ 1909.637830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1909.643057] should_fail.cold.4+0xa/0x17 [ 1909.647159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1909.652280] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1909.658090] ? kasan_check_read+0x11/0x20 [ 1909.658106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1909.658124] ? rcu_bh_qs+0xc0/0xc0 [ 1909.667527] ? unwind_dump+0x190/0x190 [ 1909.667553] ? is_bpf_text_address+0xd3/0x170 [ 1909.667571] ? kernel_text_address+0x79/0xf0 03:33:32 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xc0ed0000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1909.683899] ? __kernel_text_address+0xd/0x40 [ 1909.688429] ? unwind_get_return_address+0x61/0xa0 [ 1909.693386] ? fs_reclaim_acquire+0x20/0x20 [ 1909.697736] ? lock_downgrade+0x900/0x900 [ 1909.701914] ? ___might_sleep+0x1ed/0x300 [ 1909.706079] ? arch_local_save_flags+0x40/0x40 [ 1909.710670] ? save_stack+0x43/0xd0 [ 1909.714308] ? __kasan_slab_free+0x102/0x150 [ 1909.718734] ? kasan_slab_free+0xe/0x10 [ 1909.722723] ? kmem_cache_free+0x83/0x290 [ 1909.726892] ? user_path_at_empty+0x40/0x50 [ 1909.731230] ? do_mount+0x177/0x31f0 03:33:32 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x3f00000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1909.734952] __should_failslab+0x124/0x180 [ 1909.734967] should_failslab+0x9/0x14 [ 1909.734981] kmem_cache_alloc+0x2be/0x730 [ 1909.734997] ? debug_smp_processor_id+0x1c/0x20 [ 1909.735015] ? perf_trace_lock_acquire+0x15b/0x800 [ 1909.756741] alloc_vfsmnt+0xe9/0x990 [ 1909.760481] ? m_stop+0x20/0x20 [ 1909.763781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1909.769341] ? check_preemption_disabled+0x48/0x200 [ 1909.774372] ? trace_hardirqs_on+0xbd/0x310 [ 1909.774386] ? putname+0xf2/0x130 [ 1909.774409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1909.774428] ? __kasan_slab_free+0x119/0x150 [ 1909.782187] ? putname+0xf2/0x130 [ 1909.782205] ? kmem_cache_free+0x21a/0x290 [ 1909.782229] ? __get_fs_type+0x97/0xc0 [ 1909.803645] ? lock_downgrade+0x900/0x900 [ 1909.807816] ? lock_release+0x970/0x970 [ 1909.811812] ? digsig_verify+0x1530/0x1530 [ 1909.816075] vfs_kern_mount.part.35+0x90/0x4f0 [ 1909.820680] ? may_umount+0xb0/0xb0 [ 1909.824325] ? _raw_read_unlock+0x2c/0x50 [ 1909.828493] ? __get_fs_type+0x97/0xc0 [ 1909.832415] do_mount+0x581/0x31f0 03:33:32 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:32 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xedc000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1909.835962] ? kasan_check_read+0x11/0x20 [ 1909.840124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1909.844547] ? copy_mount_string+0x40/0x40 [ 1909.848800] ? kasan_check_write+0x14/0x20 [ 1909.853060] ? kasan_unpoison_shadow+0x35/0x50 [ 1909.857662] ? kasan_kmalloc+0xc7/0xe0 [ 1909.861574] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1909.866446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1909.871997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1909.872014] ? copy_mount_options+0x288/0x380 [ 1909.882033] ksys_mount+0x12d/0x140 03:33:32 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4800000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1909.882056] __x64_sys_mount+0xbe/0x150 [ 1909.889649] do_syscall_64+0x1b9/0x820 [ 1909.893554] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1909.898944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1909.903891] ? trace_hardirqs_on_caller+0x310/0x310 [ 1909.908945] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1909.913987] ? recalc_sigpending_tsk+0x180/0x180 [ 1909.918773] ? kasan_check_write+0x14/0x20 [ 1909.923031] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1909.927900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1909.933112] RIP: 0033:0x457579 [ 1909.936315] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1909.955247] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1909.962970] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1909.970342] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1909.977626] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1909.977634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1909.977642] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1910.041051] FAT-fs (loop3): bogus number of reserved sectors [ 1910.066641] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1910.126784] FAT-fs (loop3): bogus number of reserved sectors [ 1910.133162] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:32 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xfeffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:32 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x40000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:32 executing program 1 (fault-call:6 fault-nth:6): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:32 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x0, &(0x7f000039a000)}, 0x10) io_setup(0x5, &(0x7f0000000080)=0x0) r3 = dup3(r0, r0, 0x80000) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r3, 0xc008551a, &(0x7f0000000200)={0x1, 0x8, [0x2d7, 0x9]}) io_submit(r2, 0x1, &(0x7f00000001c0)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0xf, 0x6, r1, &(0x7f0000000140)="2ffa4519488a3c7277b5fff0564678bd8bd3dba1557eafa3cb52843e5781db2656d32122ec33b2fa459fa60316d545b740a7b4cc162a584501f8296154b161c46034344ee134fcc8e86507c87f2c218ee912", 0x52, 0x0, 0x0, 0x3, r3}]) sendmmsg(r0, &(0x7f0000000080), 0x0, 0xc0c0) 03:33:32 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x3f000000}}, 0x24, 0x0) 03:33:32 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x46de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1910.167115] overlayfs: filesystem on './file0' not supported as upperdir [ 1910.225288] FAULT_INJECTION: forcing a failure. [ 1910.225288] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1910.237510] CPU: 0 PID: 8349 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1910.244711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1910.254064] Call Trace: [ 1910.256659] dump_stack+0x1c4/0x2b4 [ 1910.260280] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1910.265468] ? debug_smp_processor_id+0x1c/0x20 [ 1910.270130] ? perf_trace_lock_acquire+0x15b/0x800 [ 1910.275051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1910.280069] should_fail.cold.4+0xa/0x17 [ 1910.284125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1910.289226] ? pcpu_balance_workfn+0x1740/0x1740 [ 1910.293973] ? ida_remove+0x460/0x460 [ 1910.297764] ? fs_reclaim_acquire+0x20/0x20 [ 1910.302073] ? lock_downgrade+0x900/0x900 [ 1910.306245] ? fs_reclaim_acquire+0x20/0x20 [ 1910.310555] ? lock_downgrade+0x900/0x900 [ 1910.314706] ? ___might_sleep+0x1ed/0x300 [ 1910.318843] ? lock_release+0x970/0x970 [ 1910.322804] ? arch_local_save_flags+0x40/0x40 [ 1910.327390] ? __might_sleep+0x95/0x190 [ 1910.331362] __alloc_pages_nodemask+0x34b/0xde0 [ 1910.336025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1910.341027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1910.346553] ? check_preemption_disabled+0x48/0x200 [ 1910.351561] ? trace_hardirqs_on+0xbd/0x310 [ 1910.355871] ? putname+0xf2/0x130 [ 1910.359317] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1910.364762] ? __kasan_slab_free+0x119/0x150 [ 1910.369157] ? putname+0xf2/0x130 [ 1910.372599] ? kmem_cache_free+0x21a/0x290 [ 1910.376831] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1910.382377] alloc_pages_current+0x10c/0x210 [ 1910.386794] get_zeroed_page+0x14/0x50 [ 1910.390668] mount_fs+0x20e/0x31d [ 1910.394109] ? digsig_verify+0x1530/0x1530 [ 1910.398337] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1910.402920] ? may_umount+0xb0/0xb0 [ 1910.406536] ? _raw_read_unlock+0x2c/0x50 [ 1910.410682] ? __get_fs_type+0x97/0xc0 [ 1910.414559] do_mount+0x581/0x31f0 [ 1910.418099] ? kasan_check_read+0x11/0x20 [ 1910.422239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1910.426637] ? copy_mount_string+0x40/0x40 [ 1910.430861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1910.435614] ? retint_kernel+0x2d/0x2d [ 1910.439501] ? __sanitizer_cov_trace_const_cmp8+0xf/0x20 [ 1910.444941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1910.450466] ? copy_mount_options+0x288/0x380 [ 1910.454961] ksys_mount+0x12d/0x140 [ 1910.458592] __x64_sys_mount+0xbe/0x150 [ 1910.462556] do_syscall_64+0x1b9/0x820 [ 1910.466430] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1910.471783] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1910.476704] ? trace_hardirqs_on_caller+0x310/0x310 [ 1910.481710] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1910.486737] ? recalc_sigpending_tsk+0x180/0x180 [ 1910.491483] ? kasan_check_write+0x14/0x20 [ 1910.495711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1910.500547] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1910.505722] RIP: 0033:0x457579 03:33:32 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x88000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:32 executing program 1 (fault-call:6 fault-nth:7): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1910.508918] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1910.527807] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1910.535507] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1910.542764] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1910.550111] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1910.557374] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1910.564640] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:32 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x700, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt(r1, 0x8, 0x400, &(0x7f0000000140)=""/217, &(0x7f0000000080)=0xd9) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/full\x00', 0x8800, 0x0) sendmsg$nfc_llcp(r2, &(0x7f0000000740)={&(0x7f0000000300)={0x27, 0x1, 0x0, 0x6, 0x100000000000000, 0x5, "8dced8eb1e2f9f53f7523ba460c2755292f5c2b0894acafd97b4fae3e60639dec04786c2dce6fed9d9e38f85d52405dc36c95905eeb70297bccdbe2e73948d", 0x27}, 0x60, &(0x7f0000000680)=[{&(0x7f0000000380)="0be689ca94dbe7db283e9369ecdaf041511da2662bad4289acf2bf769b25b24c01efcdc9039db81a2e636224a8c10870fd7888a571e02f5747ebe390", 0x3c}, {&(0x7f00000003c0)="467739795b5c1291001612", 0xb}, {&(0x7f0000000400)="23aff9b21b5a90905bb6e9f0385c13ad083f10e64a568592e0d3fca63f2fe74a094c", 0x22}, {&(0x7f0000000440)="099d210cb1e98e1495b5", 0xa}, {&(0x7f0000000480)="9b184c17c426066b7d421ffa06a9f7cc89fe354cb049791ffd4ba4587c2d1fc6c22c19eed777cb8851d78259cf9ebe3a12aa18f18134bbb294bf53a1758c73cd73438af310b08b635d964b02931c7bc6281c163ded91d50eff1a6252228749d858544f025d2d07b0154728ee117e3a7737df5415f6028728e61fa55c71d96634ae5c79f35839db40540c3959021f34e34fc65e168310ad2371179ab64869dd3037ba0ea87542", 0xa6}, {&(0x7f0000000540)="384fbd11fbd97c34282745a0ea268aeccd29a901cbacd8deb5b4b930593df75ab08decdbbac1f7bca83b9aae8faaf3c5fcdffbcb64eba2dc1b40056c2ea10a3f465041a34f318a83541429bb5450ac319b11da1b3a26c22efe5cbad026fa89ce343b1db1b452c6960cc01d5ddac6ab312c164b938e98794fcb988ccd327d34ba28ad123cbae456022d62929fc50b7a61259d7562b1deb9b8376a64d1a6ea40041daf1abff56e18a4e05cb8ce36102e27c67ffd5c1d96d9f9a625b1fe653df3a08b", 0xc1}, {&(0x7f0000000640)}], 0x7, &(0x7f0000000700)={0x20, 0x84, 0x1, "b8ced83ae3a5dfbff624c5a9fe0d"}, 0x20, 0x4}, 0x40000) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r3 = syz_open_dev$sndpcmc(&(0x7f00000000c0)='/dev/snd/pcmC#D#c\x00', 0x4f, 0x244000) write$P9_RRENAMEAT(r3, &(0x7f0000000280)={0x7, 0x4b, 0x1}, 0x7) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:33 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x500}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1910.686842] FAULT_INJECTION: forcing a failure. [ 1910.686842] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1910.705975] FAT-fs (loop3): bogus number of reserved sectors 03:33:33 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x8003a0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffffffeb, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1910.740488] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1910.761367] CPU: 0 PID: 8373 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1910.768605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1910.777970] Call Trace: [ 1910.780581] dump_stack+0x1c4/0x2b4 [ 1910.784236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1910.789453] ? debug_smp_processor_id+0x1c/0x20 [ 1910.794152] ? perf_trace_lock_acquire+0x15b/0x800 [ 1910.799100] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 1910.804148] should_fail.cold.4+0xa/0x17 [ 1910.808242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1910.813385] ? pcpu_balance_workfn+0x1740/0x1740 [ 1910.818158] ? ida_remove+0x460/0x460 [ 1910.821984] ? fs_reclaim_acquire+0x20/0x20 [ 1910.826341] ? lock_downgrade+0x900/0x900 [ 1910.830518] ? ___might_sleep+0x1ed/0x300 [ 1910.834671] ? lock_release+0x970/0x970 [ 1910.834691] ? arch_local_save_flags+0x40/0x40 [ 1910.834714] ? __might_sleep+0x95/0x190 [ 1910.843250] __alloc_pages_nodemask+0x34b/0xde0 [ 1910.843270] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1910.843284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1910.843310] ? check_preemption_disabled+0x48/0x200 [ 1910.843333] ? trace_hardirqs_on+0xbd/0x310 [ 1910.871822] ? putname+0xf2/0x130 [ 1910.875293] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1910.880779] ? __kasan_slab_free+0x119/0x150 [ 1910.885209] ? putname+0xf2/0x130 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xedc000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x700000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1910.888684] ? kmem_cache_free+0x21a/0x290 [ 1910.892954] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 1910.898510] alloc_pages_current+0x10c/0x210 [ 1910.902936] get_zeroed_page+0x14/0x50 [ 1910.906834] mount_fs+0x20e/0x31d [ 1910.910311] ? digsig_verify+0x1530/0x1530 [ 1910.914572] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1910.914592] ? may_umount+0xb0/0xb0 [ 1910.914604] ? _raw_read_unlock+0x2c/0x50 [ 1910.914617] ? __get_fs_type+0x97/0xc0 [ 1910.914634] do_mount+0x581/0x31f0 [ 1910.914646] ? kasan_check_read+0x11/0x20 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x40000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1910.914660] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1910.914677] ? copy_mount_string+0x40/0x40 [ 1910.922875] ? kasan_check_write+0x14/0x20 [ 1910.922894] ? kasan_unpoison_shadow+0x35/0x50 [ 1910.922908] ? kasan_kmalloc+0xc7/0xe0 [ 1910.922928] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1910.922945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1910.922964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1910.952807] 9pnet: Insufficient options for proto=fd [ 1910.956083] ? copy_mount_options+0x288/0x380 [ 1910.956103] ksys_mount+0x12d/0x140 [ 1910.956122] __x64_sys_mount+0xbe/0x150 [ 1910.965002] 9pnet: Insufficient options for proto=fd [ 1910.970367] do_syscall_64+0x1b9/0x820 [ 1910.970385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1910.970405] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1911.012351] ? trace_hardirqs_on_caller+0x310/0x310 [ 1911.017388] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1911.022409] ? recalc_sigpending_tsk+0x180/0x180 [ 1911.022424] ? kasan_check_write+0x14/0x20 [ 1911.022444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1911.022465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1911.031421] RIP: 0033:0x457579 [ 1911.031438] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1911.031447] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1911.071690] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1911.078975] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1911.086260] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1911.093556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1911.100841] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6c000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x97ffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000001400)={0x14, 0x2000000000000000}, 0x353}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f00000000c0)={0x0, &(0x7f0000000140)=[{0x6, 0xffffffffffffff01, 0x7, 0xbcd40000}, {0x957, 0x1, 0x9, 0xffffffff00000000}, {0x8ab8, 0x1, 0x4, 0x80000001}]}, 0xa) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) sendmsg(r1, &(0x7f0000000600)={&(0x7f0000000180)=@ipx={0x4, 0x3, 0xfffffffffffffffc, "6f6bc6c24492", 0x2}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000080)="1c29e86724f384c0bf44faf53c4c84e7257f990720a15584c06bfedbd7c3400885de57d4cf19b365e1", 0x29}, {&(0x7f0000000200)="31f1f821dfd4a18d7047", 0xa}, {&(0x7f0000000280)="54e920d82ef3d6fa78843a3e45e4c1299a185b8951981c507f1ed0e63a27a8d9a1dff16a0e1647debac065dab3fa1bf677db6277782a84b086f324406442be86731c3ea3343115b261e4a2be4874c36cc91e59e67a1dfd42e904185cb27227b5f5620c9d61cff44ed3a5080f8a4e2db912cd36d610008182231bd6fe334eb467bc1216c461b9b516dcade79eb5bad7b2c5d78be602a233eafd1e326307ef17c2b64536a7b3b8", 0xa6}], 0x3, &(0x7f0000000380)=[{0xb8, 0x19d, 0x5, "b0025ea5f3863f4c7c41796a34aa246331c3a13f5ed759591bad6c6f9258be3428ad7535270ff1ce7d4950763f3c762bcaa2317b70bfe62e2cd9347e112f806726080a37641933ee3116f10e55fba680d3ba879254143ecd39ec71bac00878ac3f63eb57207b0ef11a89ece437e25cf980f584b08959b85b9829d572e8edc8fbc5828aceb91065908042d431f9bbc1b51beabf619fdc1c4c15e5c9e5307aef54842e0345f0140527"}, {0x68, 0x115, 0xfff, "cc94b55830630acd021fef0561b4f3523ba946bb6d4a10fc1248cd3416299c470a7d433109eb81458bba8093093f9a3b1cb35602a587178487ed12a7b6793dab02977451efa5ff033fe944c8ebf5e4ea9889ab4d2f"}, {0x90, 0x1ff, 0x0, "3652ea27042b854d156b13a0adc9e9eb5ab23c12f012705aef6a2ea49948e20760a067ff4e027deed36036a9c284d238df20d6b5b9d9cc2c019d0d88c5676c42174dfa010b53cff9a3129bd7eaf1dfd132e8ac176576032d670dd309b77c631a214a0870f55793325b69def8c6459ccade36efafe1ab6fc1723bf510ce5c"}, {0x58, 0x110, 0x401, "d89fe0a8fe2a93ca13c46f8b2c60b0a69c48a450b191def70dddc6f6ab861f6747aae988c284cab95bcfeaca170cbd3497cfc083056d0d9959e822ba27bce6663b0034a6"}, {0x50, 0x0, 0x80000000, "7cc384596d8b056e5928a0f2a165a311b3be9a4dd7e5f1535239229efd65c0815d2ff73fcaafb459d4f5670ce9366302b1d82797756b084a33f12a9dec"}], 0x258, 0x40}, 0x800) 03:33:33 executing program 1 (fault-call:6 fault-nth:8): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xff00}}, 0x24, 0x0) 03:33:33 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3ee}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1911.152298] FAT-fs (loop3): bogus number of reserved sectors [ 1911.158399] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1911.179442] overlayfs: filesystem on './file0' not supported as upperdir 03:33:33 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6c00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:33 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="1400000000ff7ff7ff7fffffff00000000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) fcntl$getown(r1, 0x9) [ 1911.240953] FAULT_INJECTION: forcing a failure. [ 1911.240953] name failslab, interval 1, probability 0, space 0, times 0 [ 1911.258420] CPU: 1 PID: 8417 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1911.265655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1911.275015] Call Trace: [ 1911.277615] dump_stack+0x1c4/0x2b4 [ 1911.281249] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1911.286473] should_fail.cold.4+0xa/0x17 [ 1911.290570] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1911.295682] ? save_stack+0xa9/0xd0 [ 1911.299300] ? save_stack+0x43/0xd0 [ 1911.302922] ? kasan_kmalloc+0xc7/0xe0 [ 1911.306834] ? __kmalloc_track_caller+0x14a/0x750 [ 1911.311693] ? kstrdup+0x39/0x70 [ 1911.315084] ? v9fs_session_init+0xdd/0x1a70 [ 1911.319511] ? v9fs_mount+0x7d/0x8f0 [ 1911.323240] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1911.328021] ? do_mount+0x581/0x31f0 [ 1911.331729] ? ksys_mount+0x12d/0x140 [ 1911.335524] ? __x64_sys_mount+0xbe/0x150 [ 1911.339670] ? do_syscall_64+0x1b9/0x820 [ 1911.343728] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1911.349091] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1911.354876] ? kasan_check_read+0x11/0x20 [ 1911.359011] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1911.364285] ? fs_reclaim_acquire+0x20/0x20 [ 1911.368593] ? lock_downgrade+0x900/0x900 [ 1911.372731] ? ___might_sleep+0x1ed/0x300 [ 1911.376867] ? arch_local_save_flags+0x40/0x40 [ 1911.381437] ? trace_hardirqs_on+0xbd/0x310 [ 1911.385749] ? unwind_get_return_address+0x61/0xa0 [ 1911.390677] __should_failslab+0x124/0x180 [ 1911.394903] should_failslab+0x9/0x14 [ 1911.398696] __kmalloc_track_caller+0x2d0/0x750 [ 1911.403350] ? save_stack+0xa9/0xd0 [ 1911.406966] ? save_stack+0x43/0xd0 [ 1911.410599] ? v9fs_session_init+0x115/0x1a70 [ 1911.415085] kstrdup+0x39/0x70 [ 1911.418281] v9fs_session_init+0x115/0x1a70 [ 1911.422605] ? v9fs_show_options+0x7e0/0x7e0 [ 1911.427000] ? lock_downgrade+0x900/0x900 [ 1911.431139] ? ___might_sleep+0x1ed/0x300 [ 1911.435280] ? trace_hardirqs_on+0xbd/0x310 [ 1911.439590] ? v9fs_mount+0x62/0x8f0 [ 1911.443296] ? kasan_unpoison_shadow+0x35/0x50 [ 1911.447868] ? kasan_kmalloc+0xc7/0xe0 [ 1911.451762] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1911.456597] ? free_pages+0x44/0x50 [ 1911.460216] v9fs_mount+0x7d/0x8f0 [ 1911.463754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1911.469289] mount_fs+0xae/0x31d [ 1911.472662] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1911.477235] ? may_umount+0xb0/0xb0 [ 1911.480856] ? _raw_read_unlock+0x2c/0x50 [ 1911.484992] ? __get_fs_type+0x97/0xc0 [ 1911.488876] do_mount+0x581/0x31f0 [ 1911.492417] ? copy_mount_string+0x40/0x40 [ 1911.496645] ? kasan_unpoison_shadow+0x35/0x50 [ 1911.501212] ? kasan_kmalloc+0xc7/0xe0 [ 1911.505100] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1911.509939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1911.515461] ? copy_mount_options+0x288/0x380 [ 1911.519948] ksys_mount+0x12d/0x140 [ 1911.523566] __x64_sys_mount+0xbe/0x150 [ 1911.527545] do_syscall_64+0x1b9/0x820 [ 1911.531420] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1911.536777] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1911.541698] ? trace_hardirqs_on_caller+0x310/0x310 [ 1911.546702] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1911.551708] ? recalc_sigpending_tsk+0x180/0x180 [ 1911.556450] ? kasan_check_write+0x14/0x20 [ 1911.560674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1911.565509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1911.570689] RIP: 0033:0x457579 [ 1911.573870] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1911.592769] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1911.600470] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1911.607724] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1911.614977] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1911.622238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1911.629499] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:34 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x1f00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x666}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:34 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6c00000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x400000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1911.705729] FAT-fs (loop3): bogus number of reserved sectors [ 1911.731504] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:34 executing program 1 (fault-call:6 fault-nth:9): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1911.796004] FAT-fs (loop3): bogus number of reserved sectors [ 1911.811604] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:34 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa0020000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:34 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xc0ed0000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xb6a80a0000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1911.850998] overlayfs: filesystem on './file0' not supported as upperdir [ 1911.882274] FAULT_INJECTION: forcing a failure. [ 1911.882274] name failslab, interval 1, probability 0, space 0, times 0 03:33:34 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x1000000}}, 0x24, 0x0) 03:33:34 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xfffffffe, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1911.965923] CPU: 0 PID: 8459 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1911.973161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1911.982536] Call Trace: [ 1911.985150] dump_stack+0x1c4/0x2b4 [ 1911.988905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1911.994107] should_fail.cold.4+0xa/0x17 [ 1911.998172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1912.003284] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1912.008297] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 1912.013048] ? is_bpf_text_address+0xac/0x170 [ 1912.017530] ? lock_downgrade+0x900/0x900 [ 1912.021671] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1912.027459] ? kasan_check_read+0x11/0x20 [ 1912.031596] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1912.036866] ? fs_reclaim_acquire+0x20/0x20 [ 1912.041197] ? lock_downgrade+0x900/0x900 [ 1912.045339] ? ___might_sleep+0x1ed/0x300 [ 1912.049474] ? arch_local_save_flags+0x40/0x40 [ 1912.054042] ? unwind_get_return_address+0x61/0xa0 [ 1912.058961] ? __save_stack_trace+0x8d/0xf0 [ 1912.063272] __should_failslab+0x124/0x180 [ 1912.067491] should_failslab+0x9/0x14 [ 1912.071278] __kmalloc_track_caller+0x2d0/0x750 [ 1912.075931] ? save_stack+0xa9/0xd0 [ 1912.079544] ? save_stack+0x43/0xd0 [ 1912.083158] ? kmem_cache_alloc_trace+0x152/0x750 [ 1912.088023] ? v9fs_session_init+0xdd/0x1a70 [ 1912.092421] kstrdup+0x39/0x70 [ 1912.095602] v9fs_session_init+0xdd/0x1a70 [ 1912.099846] ? v9fs_show_options+0x7e0/0x7e0 [ 1912.104247] ? lock_downgrade+0x900/0x900 [ 1912.108385] ? ___might_sleep+0x1ed/0x300 [ 1912.112524] ? trace_hardirqs_on+0xbd/0x310 [ 1912.116832] ? v9fs_mount+0x62/0x8f0 [ 1912.120532] ? kasan_unpoison_shadow+0x35/0x50 [ 1912.125102] ? kasan_kmalloc+0xc7/0xe0 [ 1912.128982] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1912.133815] ? free_pages+0x44/0x50 [ 1912.137439] v9fs_mount+0x7d/0x8f0 [ 1912.140967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1912.146498] mount_fs+0xae/0x31d [ 1912.149856] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1912.154428] ? may_umount+0xb0/0xb0 [ 1912.158044] ? _raw_read_unlock+0x2c/0x50 [ 1912.162185] ? __get_fs_type+0x97/0xc0 [ 1912.166064] do_mount+0x581/0x31f0 [ 1912.169591] ? kasan_check_read+0x11/0x20 [ 1912.173728] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1912.178126] ? copy_mount_string+0x40/0x40 [ 1912.182352] ? kasan_check_write+0x14/0x20 [ 1912.186595] ? kasan_unpoison_shadow+0x35/0x50 [ 1912.191166] ? kasan_kmalloc+0xc7/0xe0 [ 1912.195053] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1912.199887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1912.205416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1912.211301] ? copy_mount_options+0x288/0x380 [ 1912.215790] ksys_mount+0x12d/0x140 [ 1912.219408] __x64_sys_mount+0xbe/0x150 [ 1912.223371] do_syscall_64+0x1b9/0x820 [ 1912.227248] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1912.232601] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1912.237519] ? trace_hardirqs_on_caller+0x310/0x310 [ 1912.242524] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1912.247526] ? recalc_sigpending_tsk+0x180/0x180 [ 1912.252270] ? kasan_check_write+0x14/0x20 [ 1912.256492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1912.261338] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1912.266509] RIP: 0033:0x457579 [ 1912.269690] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1912.288578] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1912.296277] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1912.303529] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 03:33:34 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xff00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1912.310793] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1912.318048] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1912.325316] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:34 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/schedule_icmp\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1a, &(0x7f00000000c0)={0x0, 0x31, "8762a797367e5143aff5d92f97b1848707558715e04f5a984f9165918a82382058cdfaf8c43f073da2af4b6b7a23fbf48b"}, &(0x7f0000000140)=0x39) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000180)={r3, 0x200800}, 0x8) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000240)={0x10, 0xf50c}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000000000467d6c8757bdd474be8c9c6dc6002dbd700000000000000000008b5e4843212dcc6e2c098898e4ca82713c728a2c676dee331db251f5fe1289ce2c475042dd5df3673c26ebb073b2c630f5cb973d8738bd0dab6de03d462d11ef8a38f3da51533f1fdbac706d0bdb883cb138aa3256748026048fd859a7cf82cf7daffee0b183e879b452bc7e09733f847a00ce7a8ee2b7ac82e65862eaa7a7b49c09cad41157cd9e833c924b664ac6abcb54e3affcde23c109565823914757a8f60bad15ba"], 0xfffffffffffffe85}, 0x1, 0x0, 0x0, 0x40880}, 0x20008880) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:34 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6ade0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:34 executing program 1 (fault-call:6 fault-nth:10): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x600, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x7a, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:34 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) r2 = creat(&(0x7f00000000c0)='./file0\x00', 0x162) setsockopt$bt_l2cap_L2CAP_OPTIONS(r2, 0x6, 0x1, &(0x7f0000000180)={0xff, 0x1, 0x3, 0x7ff, 0x0, 0x80000001, 0x6}, 0xc) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x80, 0x0) sendto$inet(r3, &(0x7f00000000c0), 0x0, 0x20000000, &(0x7f0000000140)={0x2, 0x4e23}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) setsockopt$bt_BT_CHANNEL_POLICY(r2, 0x112, 0xa, &(0x7f00000001c0)=0x3, 0x4) 03:33:34 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x7000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1912.513033] FAULT_INJECTION: forcing a failure. [ 1912.513033] name failslab, interval 1, probability 0, space 0, times 0 [ 1912.529493] FAT-fs (loop3): bogus number of reserved sectors [ 1912.544485] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1912.565580] CPU: 0 PID: 8499 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1912.572819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1912.582188] Call Trace: [ 1912.584787] dump_stack+0x1c4/0x2b4 [ 1912.588427] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1912.593633] should_fail.cold.4+0xa/0x17 [ 1912.597693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1912.602795] ? is_bpf_text_address+0xac/0x170 [ 1912.607300] ? lock_downgrade+0x900/0x900 [ 1912.611439] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1912.617224] ? kasan_check_read+0x11/0x20 [ 1912.621363] ? rcu_bh_qs+0xc0/0xc0 [ 1912.624893] ? fs_reclaim_acquire+0x20/0x20 [ 1912.629200] ? lock_downgrade+0x900/0x900 [ 1912.633341] ? ___might_sleep+0x1ed/0x300 [ 1912.637476] ? arch_local_save_flags+0x40/0x40 [ 1912.642046] ? __save_stack_trace+0x8d/0xf0 [ 1912.646359] __should_failslab+0x124/0x180 [ 1912.650582] should_failslab+0x9/0x14 [ 1912.654369] kmem_cache_alloc_trace+0x2d7/0x750 [ 1912.659021] ? save_stack+0x43/0xd0 [ 1912.662637] ? kasan_kmalloc+0xc7/0xe0 [ 1912.666511] ? __kmalloc_track_caller+0x14a/0x750 [ 1912.671340] ? kstrdup+0x39/0x70 [ 1912.674709] ? v9fs_session_init+0x115/0x1a70 [ 1912.679190] ? v9fs_mount+0x7d/0x8f0 [ 1912.682900] p9_client_create+0x106/0x160a [ 1912.687134] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1912.692928] ? p9_client_read+0xc70/0xc70 [ 1912.697068] ? fs_reclaim_acquire+0x20/0x20 [ 1912.701386] ? lock_downgrade+0x900/0x900 [ 1912.705530] ? __lockdep_init_map+0x105/0x590 [ 1912.710014] ? lockdep_init_map+0x9/0x10 [ 1912.714074] ? kasan_check_write+0x14/0x20 [ 1912.718294] ? __init_rwsem+0x1cc/0x2a0 [ 1912.722255] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1912.727256] ? kasan_kmalloc+0xc7/0xe0 [ 1912.731141] ? save_stack+0xa9/0xd0 [ 1912.734759] ? save_stack+0x43/0xd0 [ 1912.738375] ? memcpy+0x45/0x50 [ 1912.741661] v9fs_session_init+0x217/0x1a70 [ 1912.745983] ? v9fs_show_options+0x7e0/0x7e0 [ 1912.750380] ? lock_downgrade+0x900/0x900 [ 1912.754532] ? ___might_sleep+0x1ed/0x300 [ 1912.758672] ? trace_hardirqs_on+0xbd/0x310 [ 1912.762979] ? v9fs_mount+0x62/0x8f0 [ 1912.766681] ? kasan_unpoison_shadow+0x35/0x50 [ 1912.771248] ? kasan_kmalloc+0xc7/0xe0 [ 1912.775136] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1912.779983] ? free_pages+0x44/0x50 [ 1912.783602] v9fs_mount+0x7d/0x8f0 [ 1912.787136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1912.792669] mount_fs+0xae/0x31d [ 1912.796026] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1912.800600] ? may_umount+0xb0/0xb0 [ 1912.804212] ? _raw_read_unlock+0x2c/0x50 [ 1912.808361] ? __get_fs_type+0x97/0xc0 [ 1912.812237] do_mount+0x581/0x31f0 [ 1912.815775] ? retint_kernel+0x1b/0x2d [ 1912.819652] ? trace_hardirqs_on+0x310/0x310 [ 1912.824067] ? copy_mount_string+0x40/0x40 [ 1912.828291] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1912.833037] ? trace_hardirqs_off+0xaf/0x310 [ 1912.837432] ? retint_kernel+0x2d/0x2d [ 1912.841310] ? copy_mount_options+0x1a1/0x380 [ 1912.845792] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 1912.850647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1912.856174] ? copy_mount_options+0x288/0x380 [ 1912.860660] ksys_mount+0x12d/0x140 [ 1912.864279] __x64_sys_mount+0xbe/0x150 [ 1912.868245] do_syscall_64+0x1b9/0x820 [ 1912.872127] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1912.877485] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1912.882405] ? trace_hardirqs_on_caller+0x310/0x310 [ 1912.887411] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1912.892416] ? recalc_sigpending_tsk+0x180/0x180 [ 1912.897165] ? kasan_check_write+0x14/0x20 [ 1912.901393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1912.906227] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1912.911405] RIP: 0033:0x457579 [ 1912.914590] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1912.933824] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1912.941521] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1912.948776] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1912.956033] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:35 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xff000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x64de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1912.963287] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1912.970541] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1913.022836] FAT-fs (loop3): bogus number of reserved sectors [ 1913.028691] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1913.061046] overlayfs: filesystem on './file0' not supported as upperdir 03:33:35 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf0ffffffffffff}}, 0x24, 0x0) 03:33:35 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x2000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xd000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:35 executing program 2: r0 = syz_open_dev$admmidi(&(0x7f0000000080)='/dev/admmidi#\x00', 0x1000, 0x400080) getsockopt$inet6_mreq(0xffffffffffffff9c, 0x29, 0x1f, &(0x7f00000001c0)={@mcast1, 0x0}, &(0x7f0000000200)=0x14) sendmsg$can_bcm(r0, &(0x7f0000000380)={&(0x7f0000000280)={0x1d, r1}, 0x10, &(0x7f0000000340)={&(0x7f00000002c0)={0x6, 0x8, 0x2b, {0x0, 0x2710}, {}, {0x4, 0x154, 0x2, 0x419}, 0x1, @canfd={{0x2, 0x2, 0x99, 0x6}, 0x33, 0x1, 0x0, 0x0, "1ffdcfdb09c05b39bca24af578b77ff153769e037b51701b9220b6e1246ba1b2c56ed885e843ccaace278c4480146eed6cb0f08d336fb0127eec7993e04b2448"}}, 0x80}, 0x1, 0x0, 0x0, 0x1}, 0x20000090) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r2, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:35 executing program 1 (fault-call:6 fault-nth:11): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4c000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffffff97, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:35 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)) r2 = syz_open_dev$sndpcmp(&(0x7f00000000c0)='/dev/snd/pcmC#D#p\x00', 0xfff, 0xb4400) accept4$packet(0xffffffffffffff9c, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000180)=0x14, 0x800) setsockopt$packet_drop_memb(r2, 0x107, 0x2, &(0x7f00000001c0)={r3, 0x1, 0x6, @local}, 0x10) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="000000f1ff0000000000000000cabfe1291daf3fe83f3fef49510d62d4c7d67a233c695a0f6ffaf32da9edf3bdad6812406882ad62022eb3d51b80bc4e50a9355284b8aac88fe5d17f10a65f41dd946892a104b3a3a83a8113b4f3b2ad3dc94f84511026c1d5451cb37931229f7a996a33e1eaaf2604f25285b6bd5b8c86d40e2ad9000000"], 0x7624}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:35 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe0000002}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1913.264056] FAULT_INJECTION: forcing a failure. [ 1913.264056] name failslab, interval 1, probability 0, space 0, times 0 [ 1913.301831] FAT-fs (loop3): bogus number of reserved sectors [ 1913.322519] CPU: 1 PID: 8544 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1913.329785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1913.339140] Call Trace: [ 1913.341738] dump_stack+0x1c4/0x2b4 [ 1913.345371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1913.350568] should_fail.cold.4+0xa/0x17 [ 1913.354629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1913.359725] ? save_stack+0xa9/0xd0 [ 1913.363339] ? save_stack+0x43/0xd0 [ 1913.366952] ? kasan_kmalloc+0xc7/0xe0 [ 1913.370827] ? kmem_cache_alloc_trace+0x152/0x750 [ 1913.375660] ? v9fs_session_init+0x217/0x1a70 [ 1913.380138] ? v9fs_mount+0x7d/0x8f0 [ 1913.383838] ? mount_fs+0xae/0x31d [ 1913.387364] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1913.392105] ? do_mount+0x581/0x31f0 [ 1913.395807] ? ksys_mount+0x12d/0x140 [ 1913.399597] ? __x64_sys_mount+0xbe/0x150 [ 1913.403734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1913.409095] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1913.414880] ? kasan_check_read+0x11/0x20 [ 1913.419021] ? fs_reclaim_acquire+0x20/0x20 [ 1913.423331] ? lock_downgrade+0x900/0x900 [ 1913.427470] ? ___might_sleep+0x1ed/0x300 [ 1913.431607] ? arch_local_save_flags+0x40/0x40 [ 1913.436182] ? p9_client_create+0x106/0x160a [ 1913.440582] __should_failslab+0x124/0x180 [ 1913.444808] should_failslab+0x9/0x14 [ 1913.448600] kmem_cache_alloc_trace+0x2d7/0x750 [ 1913.453255] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1913.458084] ? __lockdep_init_map+0x105/0x590 [ 1913.462588] ? save_stack+0x43/0xd0 [ 1913.466217] p9_idpool_create+0x42/0x190 [ 1913.470267] p9_client_create+0x2df/0x160a [ 1913.474495] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1913.480289] ? p9_client_read+0xc70/0xc70 [ 1913.484430] ? fs_reclaim_acquire+0x20/0x20 [ 1913.488740] ? lock_downgrade+0x900/0x900 [ 1913.492881] ? __lockdep_init_map+0x105/0x590 [ 1913.497375] ? lockdep_init_map+0x9/0x10 [ 1913.501422] ? kasan_check_write+0x14/0x20 [ 1913.505654] ? __init_rwsem+0x1cc/0x2a0 [ 1913.509617] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1913.514632] ? kasan_kmalloc+0xc7/0xe0 [ 1913.518515] ? save_stack+0xa9/0xd0 [ 1913.522127] ? save_stack+0x43/0xd0 [ 1913.525739] ? memcpy+0x45/0x50 [ 1913.529015] v9fs_session_init+0x217/0x1a70 [ 1913.533348] ? v9fs_show_options+0x7e0/0x7e0 [ 1913.537754] ? lock_downgrade+0x900/0x900 [ 1913.541911] ? ___might_sleep+0x1ed/0x300 [ 1913.546058] ? trace_hardirqs_on+0xbd/0x310 [ 1913.550370] ? v9fs_mount+0x62/0x8f0 [ 1913.554082] ? kasan_unpoison_shadow+0x35/0x50 [ 1913.558650] ? kasan_kmalloc+0xc7/0xe0 [ 1913.562529] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1913.567358] ? free_pages+0x44/0x50 [ 1913.570982] v9fs_mount+0x7d/0x8f0 [ 1913.574510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1913.580039] mount_fs+0xae/0x31d [ 1913.583411] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1913.587986] ? may_umount+0xb0/0xb0 [ 1913.591598] ? _raw_read_unlock+0x2c/0x50 [ 1913.595733] ? __get_fs_type+0x97/0xc0 [ 1913.599611] do_mount+0x581/0x31f0 [ 1913.603141] ? copy_mount_string+0x40/0x40 [ 1913.607380] ? kasan_unpoison_shadow+0x35/0x50 [ 1913.611950] ? kasan_kmalloc+0xc7/0xe0 [ 1913.615829] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1913.620661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1913.626185] ? _copy_from_user+0xdf/0x150 [ 1913.630338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1913.635874] ? copy_mount_options+0x288/0x380 [ 1913.640473] ksys_mount+0x12d/0x140 [ 1913.644091] __x64_sys_mount+0xbe/0x150 [ 1913.648063] do_syscall_64+0x1b9/0x820 [ 1913.651940] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1913.657294] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1913.662226] ? trace_hardirqs_on_caller+0x310/0x310 [ 1913.667229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1913.672239] ? recalc_sigpending_tsk+0x180/0x180 [ 1913.676982] ? kasan_check_write+0x14/0x20 [ 1913.681211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1913.686061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1913.691247] RIP: 0033:0x457579 [ 1913.694434] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1913.713323] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1913.721023] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1913.728283] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1913.735541] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1913.742798] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1913.750068] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:36 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xf, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:36 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xfeffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1913.776271] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1913.873889] FAT-fs (loop3): bogus number of reserved sectors [ 1913.911179] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1913.911788] overlayfs: filesystem on './file0' not supported as upperdir 03:33:36 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xffffffeb}}, 0x24, 0x0) 03:33:36 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60de}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:36 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xff11, &(0x7f0000000100)={&(0x7f0000001400)={0x14, 0x2, 0x0, 0x70bd28, 0x25dfdbfb, {0x3}}, 0x14}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:36 executing program 1 (fault-call:6 fault-nth:12): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:36 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x8cffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:36 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xaa8b7, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1914.017858] FAULT_INJECTION: forcing a failure. [ 1914.017858] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1914.029708] CPU: 1 PID: 8592 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1914.036896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1914.046249] Call Trace: [ 1914.048846] dump_stack+0x1c4/0x2b4 [ 1914.052475] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1914.057673] should_fail.cold.4+0xa/0x17 [ 1914.061727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1914.066818] ? mark_held_locks+0x130/0x130 [ 1914.071059] ? __isolate_free_page+0x610/0x610 [ 1914.075748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.081274] ? check_preemption_disabled+0x48/0x200 [ 1914.086281] ? mark_held_locks+0x130/0x130 [ 1914.090499] ? perf_trace_lock_acquire+0x15b/0x800 [ 1914.095417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.100947] ? perf_trace_lock+0x7a0/0x7a0 [ 1914.105188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.110713] ? check_preemption_disabled+0x48/0x200 [ 1914.115713] ? lock_release+0x970/0x970 [ 1914.119682] ? debug_smp_processor_id+0x1c/0x20 [ 1914.124344] ? perf_trace_lock_acquire+0x15b/0x800 [ 1914.129271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.134800] ? should_fail+0x22d/0xd01 [ 1914.138679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1914.143776] __alloc_pages_nodemask+0x34b/0xde0 [ 1914.148435] ? is_bpf_text_address+0xac/0x170 [ 1914.152922] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1914.158100] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1914.163887] ? kasan_check_read+0x11/0x20 [ 1914.168031] ? rcu_bh_qs+0xc0/0xc0 [ 1914.171565] ? fs_reclaim_acquire+0x20/0x20 [ 1914.175879] ? lock_downgrade+0x900/0x900 [ 1914.180028] ? ___might_sleep+0x1ed/0x300 [ 1914.184167] ? trace_hardirqs_off+0xb8/0x310 [ 1914.188568] cache_grow_begin+0x91/0x8c0 [ 1914.192615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1914.198139] ? check_preemption_disabled+0x48/0x200 [ 1914.203150] kmem_cache_alloc_trace+0x67e/0x750 [ 1914.207807] ? save_stack+0x43/0xd0 [ 1914.211895] ? __kmalloc_track_caller+0x14a/0x750 [ 1914.216752] p9_client_create+0x106/0x160a [ 1914.221001] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1914.226791] ? p9_client_read+0xc70/0xc70 [ 1914.230928] ? fs_reclaim_acquire+0x20/0x20 [ 1914.235240] ? lock_downgrade+0x900/0x900 [ 1914.239378] ? __lockdep_init_map+0x105/0x590 [ 1914.243862] ? lockdep_init_map+0x9/0x10 [ 1914.247927] ? kasan_check_write+0x14/0x20 [ 1914.252151] ? __init_rwsem+0x1cc/0x2a0 [ 1914.256114] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1914.261129] ? kasan_kmalloc+0xc7/0xe0 [ 1914.265013] ? save_stack+0xa9/0xd0 [ 1914.268626] ? save_stack+0x43/0xd0 [ 1914.272241] ? memcpy+0x45/0x50 [ 1914.275518] v9fs_session_init+0x217/0x1a70 [ 1914.279838] ? v9fs_show_options+0x7e0/0x7e0 [ 1914.284233] ? lock_downgrade+0x900/0x900 [ 1914.288384] ? ___might_sleep+0x1ed/0x300 [ 1914.292535] ? trace_hardirqs_on+0xbd/0x310 [ 1914.296844] ? v9fs_mount+0x62/0x8f0 [ 1914.300549] ? kasan_unpoison_shadow+0x35/0x50 [ 1914.305116] ? kasan_kmalloc+0xc7/0xe0 [ 1914.309002] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1914.313840] ? free_pages+0x44/0x50 [ 1914.317458] v9fs_mount+0x7d/0x8f0 [ 1914.320992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.326543] mount_fs+0xae/0x31d [ 1914.329903] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1914.334474] ? may_umount+0xb0/0xb0 [ 1914.338087] ? _raw_read_unlock+0x2c/0x50 [ 1914.342224] ? __get_fs_type+0x97/0xc0 [ 1914.346114] do_mount+0x581/0x31f0 [ 1914.349650] ? kasan_check_read+0x11/0x20 [ 1914.353785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1914.358182] ? copy_mount_string+0x40/0x40 [ 1914.362401] ? kasan_check_write+0x14/0x20 [ 1914.366624] ? kasan_unpoison_shadow+0x35/0x50 [ 1914.371199] ? kasan_kmalloc+0xc7/0xe0 [ 1914.375076] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1914.379911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1914.385439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1914.390965] ? copy_mount_options+0x288/0x380 [ 1914.395461] ksys_mount+0x12d/0x140 [ 1914.399079] __x64_sys_mount+0xbe/0x150 [ 1914.403047] do_syscall_64+0x1b9/0x820 [ 1914.406947] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1914.412306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1914.417225] ? trace_hardirqs_on_caller+0x310/0x310 [ 1914.422230] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1914.427247] ? recalc_sigpending_tsk+0x180/0x180 [ 1914.431998] ? kasan_check_write+0x14/0x20 [ 1914.436226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1914.441063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1914.446252] RIP: 0033:0x457579 [ 1914.449522] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 03:33:36 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x2000000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1914.468422] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1914.476119] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1914.483374] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1914.490631] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1914.497884] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1914.505141] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:36 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:36 executing program 1 (fault-call:6 fault-nth:13): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:37 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6dde}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:37 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x700000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:37 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x3, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1914.723391] FAULT_INJECTION: forcing a failure. [ 1914.723391] name failslab, interval 1, probability 0, space 0, times 0 [ 1914.725718] FAT-fs (loop3): bogus number of reserved sectors [ 1914.766669] CPU: 0 PID: 8627 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1914.773894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1914.776773] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1914.783259] Call Trace: [ 1914.783288] dump_stack+0x1c4/0x2b4 [ 1914.783308] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1914.783332] should_fail.cold.4+0xa/0x17 [ 1914.783352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1914.809769] ? save_stack+0xa9/0xd0 [ 1914.813409] ? save_stack+0x43/0xd0 [ 1914.817055] ? kasan_kmalloc+0xc7/0xe0 [ 1914.820955] ? kmem_cache_alloc_trace+0x152/0x750 [ 1914.825801] ? v9fs_session_init+0x217/0x1a70 [ 1914.830325] ? v9fs_mount+0x7d/0x8f0 [ 1914.834029] ? mount_fs+0xae/0x31d [ 1914.837558] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1914.842298] ? do_mount+0x581/0x31f0 [ 1914.845997] ? ksys_mount+0x12d/0x140 [ 1914.849783] ? __x64_sys_mount+0xbe/0x150 [ 1914.853924] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1914.859303] ? kasan_check_read+0x11/0x20 [ 1914.863446] ? fs_reclaim_acquire+0x20/0x20 [ 1914.867764] ? lock_downgrade+0x900/0x900 [ 1914.871909] ? ___might_sleep+0x1ed/0x300 [ 1914.876061] ? arch_local_save_flags+0x40/0x40 [ 1914.880637] ? p9_client_create+0x106/0x160a [ 1914.885032] __should_failslab+0x124/0x180 [ 1914.889296] should_failslab+0x9/0x14 [ 1914.893173] kmem_cache_alloc_trace+0x2d7/0x750 [ 1914.897830] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1914.902712] ? __lockdep_init_map+0x105/0x590 [ 1914.907203] ? save_stack+0x43/0xd0 [ 1914.910823] p9_idpool_create+0x42/0x190 [ 1914.914869] p9_client_create+0x2df/0x160a [ 1914.919097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1914.924899] ? p9_client_read+0xc70/0xc70 [ 1914.929044] ? fs_reclaim_acquire+0x20/0x20 [ 1914.933357] ? lock_downgrade+0x900/0x900 [ 1914.937492] ? __lockdep_init_map+0x105/0x590 [ 1914.941974] ? lockdep_init_map+0x9/0x10 [ 1914.946063] ? kasan_check_write+0x14/0x20 [ 1914.950284] ? __init_rwsem+0x1cc/0x2a0 [ 1914.954248] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1914.959250] ? kasan_kmalloc+0xc7/0xe0 [ 1914.963123] ? save_stack+0xa9/0xd0 [ 1914.966733] ? save_stack+0x43/0xd0 [ 1914.970361] ? memcpy+0x45/0x50 [ 1914.973638] v9fs_session_init+0x217/0x1a70 [ 1914.977956] ? v9fs_show_options+0x7e0/0x7e0 [ 1914.982352] ? lock_downgrade+0x900/0x900 [ 1914.986499] ? ___might_sleep+0x1ed/0x300 [ 1914.990633] ? trace_hardirqs_on+0xbd/0x310 [ 1914.994958] ? v9fs_mount+0x62/0x8f0 [ 1914.998658] ? kasan_unpoison_shadow+0x35/0x50 [ 1915.003225] ? kasan_kmalloc+0xc7/0xe0 [ 1915.007100] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1915.011946] ? free_pages+0x44/0x50 [ 1915.015573] v9fs_mount+0x7d/0x8f0 [ 1915.019112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1915.024640] mount_fs+0xae/0x31d [ 1915.027998] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1915.032567] ? may_umount+0xb0/0xb0 [ 1915.036199] ? _raw_read_unlock+0x2c/0x50 [ 1915.040338] ? __get_fs_type+0x97/0xc0 [ 1915.044213] do_mount+0x581/0x31f0 [ 1915.047739] ? kasan_check_read+0x11/0x20 [ 1915.051875] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1915.056272] ? copy_mount_string+0x40/0x40 [ 1915.060490] ? kasan_check_write+0x14/0x20 [ 1915.064883] ? kasan_unpoison_shadow+0x35/0x50 [ 1915.069460] ? kasan_kmalloc+0xc7/0xe0 [ 1915.073338] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1915.078173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1915.083700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1915.089226] ? copy_mount_options+0x288/0x380 [ 1915.093712] ksys_mount+0x12d/0x140 [ 1915.097329] __x64_sys_mount+0xbe/0x150 [ 1915.101289] do_syscall_64+0x1b9/0x820 [ 1915.105169] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1915.110527] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1915.115455] ? trace_hardirqs_on_caller+0x310/0x310 [ 1915.120464] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1915.125468] ? recalc_sigpending_tsk+0x180/0x180 [ 1915.130211] ? kasan_check_write+0x14/0x20 [ 1915.134436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1915.139274] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1915.144449] RIP: 0033:0x457579 [ 1915.147626] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1915.166514] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1915.174220] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1915.181476] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1915.188732] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1915.195985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1915.203246] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1915.239082] FAT-fs (loop3): bogus number of reserved sectors [ 1915.252631] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:37 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xfdffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:37 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) bind$bt_l2cap(r2, &(0x7f00000000c0)={0x1f, 0x10001, {0x4, 0x3, 0x101, 0xcf9, 0x1, 0x101}, 0x7fff}, 0xe) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:37 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde5b}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:37 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x74, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:37 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x3f00000000000000}}, 0x24, 0x0) 03:33:37 executing program 1 (fault-call:6 fault-nth:14): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1915.284123] overlayfs: filesystem on './file0' not supported as upperdir [ 1915.343535] FAULT_INJECTION: forcing a failure. [ 1915.343535] name failslab, interval 1, probability 0, space 0, times 0 [ 1915.357967] CPU: 1 PID: 8648 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1915.365178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1915.374549] Call Trace: [ 1915.377156] dump_stack+0x1c4/0x2b4 [ 1915.380784] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1915.385989] should_fail.cold.4+0xa/0x17 [ 1915.390040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1915.395134] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1915.400155] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 1915.404912] ? is_bpf_text_address+0xac/0x170 [ 1915.409420] ? fs_reclaim_acquire+0x20/0x20 [ 1915.413741] ? lock_downgrade+0x900/0x900 [ 1915.417887] ? ___might_sleep+0x1ed/0x300 [ 1915.422025] ? arch_local_save_flags+0x40/0x40 [ 1915.426597] ? __kernel_text_address+0xd/0x40 [ 1915.431086] __should_failslab+0x124/0x180 [ 1915.435306] should_failslab+0x9/0x14 [ 1915.439097] __kmalloc_track_caller+0x2d0/0x750 [ 1915.443753] ? save_stack+0xa9/0xd0 [ 1915.447368] ? parse_opts+0x176/0x510 [ 1915.451158] kstrdup+0x39/0x70 [ 1915.454336] parse_opts+0x176/0x510 [ 1915.457951] ? trace_hardirqs_off+0xb8/0x310 [ 1915.462364] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1915.466761] ? p9_fd_poll+0x2b0/0x2b0 [ 1915.470547] ? kasan_check_write+0x14/0x20 [ 1915.474769] ? trace_hardirqs_off+0xb8/0x310 [ 1915.479163] ? trace_hardirqs_on+0x310/0x310 [ 1915.483559] ? debug_check_no_obj_freed+0x305/0x58d [ 1915.488561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1915.494099] ? check_preemption_disabled+0x48/0x200 [ 1915.499117] p9_fd_create+0x8b/0x3f0 [ 1915.502817] ? p9_fd_show_options+0x1c0/0x1c0 [ 1915.507308] ? p9_client_create+0x7c3/0x160a [ 1915.511705] p9_client_create+0x866/0x160a [ 1915.515933] ? p9_client_read+0xc70/0xc70 [ 1915.520069] ? fs_reclaim_acquire+0x20/0x20 [ 1915.524377] ? lock_downgrade+0x900/0x900 [ 1915.528516] ? __lockdep_init_map+0x105/0x590 [ 1915.532999] ? lockdep_init_map+0x9/0x10 [ 1915.537047] ? kasan_check_write+0x14/0x20 [ 1915.541269] ? __init_rwsem+0x1cc/0x2a0 [ 1915.545232] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1915.550233] ? kasan_kmalloc+0xc7/0xe0 [ 1915.554115] ? save_stack+0x43/0xd0 [ 1915.557731] ? memcpy+0x45/0x50 [ 1915.561002] v9fs_session_init+0x217/0x1a70 [ 1915.565321] ? v9fs_show_options+0x7e0/0x7e0 [ 1915.569714] ? lock_downgrade+0x900/0x900 [ 1915.573855] ? ___might_sleep+0x1ed/0x300 [ 1915.577998] ? trace_hardirqs_on+0xbd/0x310 [ 1915.582316] ? v9fs_mount+0x62/0x8f0 [ 1915.586019] ? kasan_unpoison_shadow+0x35/0x50 [ 1915.590586] ? kasan_kmalloc+0xc7/0xe0 [ 1915.594464] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1915.599296] ? free_pages+0x44/0x50 [ 1915.602913] v9fs_mount+0x7d/0x8f0 [ 1915.606444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1915.611969] mount_fs+0xae/0x31d [ 1915.615327] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1915.619896] ? may_umount+0xb0/0xb0 [ 1915.623511] ? _raw_read_unlock+0x2c/0x50 [ 1915.627647] ? __get_fs_type+0x97/0xc0 [ 1915.631526] do_mount+0x581/0x31f0 [ 1915.635057] ? copy_mount_string+0x40/0x40 [ 1915.639284] ? kasan_unpoison_shadow+0x35/0x50 [ 1915.643863] ? kasan_kmalloc+0xc7/0xe0 [ 1915.647741] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1915.652573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1915.658105] ? _copy_from_user+0xdf/0x150 [ 1915.662245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1915.667780] ? copy_mount_options+0x288/0x380 [ 1915.672264] ksys_mount+0x12d/0x140 [ 1915.675885] __x64_sys_mount+0xbe/0x150 [ 1915.679859] do_syscall_64+0x1b9/0x820 [ 1915.683739] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1915.689092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1915.694013] ? trace_hardirqs_on_caller+0x310/0x310 [ 1915.699015] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1915.704017] ? recalc_sigpending_tsk+0x180/0x180 [ 1915.708760] ? kasan_check_write+0x14/0x20 [ 1915.712984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1915.717828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1915.723008] RIP: 0033:0x457579 [ 1915.726190] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1915.745080] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1915.752780] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1915.760039] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1915.767294] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1915.774560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1915.781815] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:38 executing program 1 (fault-call:6 fault-nth:15): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1915.791876] 9pnet: Insufficient options for proto=fd 03:33:38 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xfeffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:38 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x63de}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:38 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x7000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:38 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) getsockopt$sock_timeval(r1, 0x1, 0x15, &(0x7f0000000080), &(0x7f00000000c0)=0x10) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1915.891515] FAULT_INJECTION: forcing a failure. [ 1915.891515] name failslab, interval 1, probability 0, space 0, times 0 [ 1915.922548] CPU: 0 PID: 8666 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1915.929776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1915.939137] Call Trace: [ 1915.941758] dump_stack+0x1c4/0x2b4 [ 1915.945409] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1915.950620] should_fail.cold.4+0xa/0x17 [ 1915.954686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1915.959787] ? save_stack+0xa9/0xd0 [ 1915.963406] ? save_stack+0x43/0xd0 [ 1915.967019] ? kasan_kmalloc+0xc7/0xe0 [ 1915.970894] ? __kmalloc_track_caller+0x14a/0x750 [ 1915.975725] ? kstrdup+0x39/0x70 [ 1915.979078] ? p9_client_create+0x483/0x160a [ 1915.983477] ? v9fs_session_init+0x217/0x1a70 [ 1915.987963] ? mount_fs+0xae/0x31d [ 1915.991488] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1915.996224] ? do_mount+0x581/0x31f0 [ 1915.999927] ? ksys_mount+0x12d/0x140 [ 1916.003712] ? __x64_sys_mount+0xbe/0x150 [ 1916.007856] ? do_syscall_64+0x1b9/0x820 [ 1916.011904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1916.017259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1916.022780] ? node_tag_clear+0xc2/0x1c0 [ 1916.026838] ? fs_reclaim_acquire+0x20/0x20 [ 1916.031151] ? lock_downgrade+0x900/0x900 [ 1916.035302] ? ___might_sleep+0x1ed/0x300 [ 1916.039440] ? arch_local_save_flags+0x40/0x40 [ 1916.044010] ? trace_hardirqs_on+0xbd/0x310 [ 1916.048326] __should_failslab+0x124/0x180 [ 1916.052553] should_failslab+0x9/0x14 [ 1916.056339] __kmalloc+0x2d4/0x760 [ 1916.059873] ? match_wildcard+0x3c0/0x3c0 [ 1916.064006] ? match_strdup+0x5e/0xa0 [ 1916.067795] match_strdup+0x5e/0xa0 [ 1916.071432] p9_client_create+0x6d8/0x160a [ 1916.075664] ? p9_client_read+0xc70/0xc70 [ 1916.079804] ? fs_reclaim_acquire+0x20/0x20 [ 1916.084123] ? lock_downgrade+0x900/0x900 [ 1916.088262] ? __lockdep_init_map+0x105/0x590 [ 1916.092747] ? lockdep_init_map+0x9/0x10 [ 1916.096808] ? kasan_check_write+0x14/0x20 [ 1916.101037] ? __init_rwsem+0x1cc/0x2a0 [ 1916.105001] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1916.110001] ? kasan_kmalloc+0xc7/0xe0 [ 1916.113880] ? save_stack+0x43/0xd0 [ 1916.117935] ? memcpy+0x45/0x50 [ 1916.121208] v9fs_session_init+0x217/0x1a70 [ 1916.125528] ? v9fs_show_options+0x7e0/0x7e0 [ 1916.129923] ? lock_downgrade+0x900/0x900 [ 1916.134067] ? ___might_sleep+0x1ed/0x300 [ 1916.138209] ? trace_hardirqs_on+0xbd/0x310 [ 1916.142520] ? v9fs_mount+0x62/0x8f0 [ 1916.146221] ? kasan_unpoison_shadow+0x35/0x50 [ 1916.150800] ? kasan_kmalloc+0xc7/0xe0 [ 1916.154691] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1916.159525] ? free_pages+0x44/0x50 [ 1916.163162] v9fs_mount+0x7d/0x8f0 [ 1916.166697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1916.172228] mount_fs+0xae/0x31d [ 1916.175588] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1916.180176] ? may_umount+0xb0/0xb0 [ 1916.183802] ? _raw_read_unlock+0x2c/0x50 [ 1916.187951] ? __get_fs_type+0x97/0xc0 [ 1916.191837] do_mount+0x581/0x31f0 [ 1916.195363] ? kasan_check_read+0x11/0x20 [ 1916.199498] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1916.203899] ? copy_mount_string+0x40/0x40 [ 1916.208121] ? kasan_check_write+0x14/0x20 [ 1916.212666] ? kasan_unpoison_shadow+0x35/0x50 [ 1916.217236] ? kasan_kmalloc+0xc7/0xe0 [ 1916.221114] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1916.225945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1916.231472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1916.237011] ? copy_mount_options+0x288/0x380 [ 1916.241493] ksys_mount+0x12d/0x140 [ 1916.245108] __x64_sys_mount+0xbe/0x150 [ 1916.249072] do_syscall_64+0x1b9/0x820 [ 1916.252965] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1916.258315] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1916.263235] ? trace_hardirqs_on_caller+0x310/0x310 [ 1916.268237] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1916.273252] ? recalc_sigpending_tsk+0x180/0x180 [ 1916.277997] ? kasan_check_write+0x14/0x20 [ 1916.282224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1916.287069] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1916.292243] RIP: 0033:0x457579 [ 1916.295427] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1916.314316] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1916.322015] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1916.329270] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1916.336526] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:38 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x20000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:38 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x3000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1916.343780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1916.351054] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1916.364829] FAT-fs (loop3): bogus number of reserved sectors [ 1916.370663] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:38 executing program 1 (fault-call:6 fault-nth:16): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1916.436525] FS-Cache: Duplicate cookie detected [ 1916.441279] FS-Cache: O-cookie c=0000000042d081e1 [p=0000000059f7d46e fl=222 nc=0 na=1] [ 1916.449651] FS-Cache: O-cookie d=00000000f92b38dd n=00000000cb2652ef [ 1916.456199] FS-Cache: O-key=[60] '47504c216370757365746d643573756d706f7369785f61636c5f6163636573732d6c6f246d696d655f747970652173656c696e75785e2f776c616e30' [ 1916.457412] FAULT_INJECTION: forcing a failure. [ 1916.457412] name failslab, interval 1, probability 0, space 0, times 0 [ 1916.470670] FS-Cache: N-cookie c=000000001325aeaa [p=0000000059f7d46e fl=2 nc=0 na=1] [ 1916.470689] FS-Cache: N-cookie d=00000000f92b38dd n=000000002cbe0dd4 [ 1916.482556] CPU: 0 PID: 8692 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1916.489921] FS-Cache: N-key=[60] ' [ 1916.496547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1916.496552] Call Trace: [ 1916.496576] dump_stack+0x1c4/0x2b4 [ 1916.496593] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1916.496619] should_fail.cold.4+0xa/0x17 [ 1916.503795] 47 [ 1916.507311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1916.516657] 50 [ 1916.519213] ? kasan_check_write+0x14/0x20 [ 1916.522826] 4c [ 1916.527996] ? trace_hardirqs_off+0xb8/0x310 [ 1916.532023] 21 [ 1916.533817] ? trace_hardirqs_on+0x310/0x310 [ 1916.533829] ? debug_check_no_obj_freed+0x305/0x58d [ 1916.533847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1916.538921] 63 [ 1916.540733] ? check_preemption_disabled+0x48/0x200 [ 1916.544967] 70 [ 1916.546753] ? trace_hardirqs_on+0xbd/0x310 [ 1916.551125] 7573 [ 1916.552923] ? parse_opts+0x3ba/0x510 [ 1916.552939] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1916.552962] ? fs_reclaim_acquire+0x20/0x20 [ 1916.557345] 65 [ 1916.562353] ? lock_downgrade+0x900/0x900 [ 1916.562378] ? ___might_sleep+0x1ed/0x300 [ 1916.568059] 74 [ 1916.569857] ? arch_local_save_flags+0x40/0x40 [ 1916.574866] 6d [ 1916.576635] ? p9_fd_poll+0x2b0/0x2b0 [ 1916.580929] 64 [ 1916.582893] ? kasan_check_write+0x14/0x20 [ 1916.582910] __should_failslab+0x124/0x180 [ 1916.582925] should_failslab+0x9/0x14 [ 1916.586703] 35 [ 1916.592142] kmem_cache_alloc_trace+0x2d7/0x750 [ 1916.596454] 73 [ 1916.598236] ? check_preemption_disabled+0x48/0x200 [ 1916.602368] 75 [ 1916.606497] p9_fd_create+0x1a7/0x3f0 [ 1916.608270] 6d [ 1916.612837] ? p9_fd_show_options+0x1c0/0x1c0 [ 1916.612854] ? p9_client_create+0x7c3/0x160a [ 1916.612873] p9_client_create+0x866/0x160a [ 1916.614647] 70 [ 1916.618440] ? p9_client_read+0xc70/0xc70 [ 1916.620209] 6f [ 1916.624429] ? fs_reclaim_acquire+0x20/0x20 [ 1916.624444] ? lock_downgrade+0x900/0x900 [ 1916.624462] ? __lockdep_init_map+0x105/0x590 [ 1916.628665] 73 [ 1916.632452] ? lockdep_init_map+0x9/0x10 [ 1916.632471] ? kasan_check_write+0x14/0x20 [ 1916.634243] 69 [ 1916.638896] ? __init_rwsem+0x1cc/0x2a0 [ 1916.640670] 78 [ 1916.645688] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1916.645699] ? kasan_kmalloc+0xc7/0xe0 [ 1916.645720] ? save_stack+0x43/0xd0 [ 1916.647493] 5f [ 1916.651278] ? memcpy+0x45/0x50 [ 1916.653075] 61 [ 1916.657546] v9fs_session_init+0x217/0x1a70 [ 1916.661919] 63 [ 1916.666163] ? v9fs_show_options+0x7e0/0x7e0 [ 1916.666179] ? lock_downgrade+0x900/0x900 [ 1916.667953] 6c [ 1916.672088] ? ___might_sleep+0x1ed/0x300 [ 1916.673880] 5f [ 1916.678174] ? trace_hardirqs_on+0xbd/0x310 [ 1916.682291] 61 [ 1916.686773] ? v9fs_mount+0x62/0x8f0 [ 1916.686793] ? kasan_unpoison_shadow+0x35/0x50 [ 1916.686808] ? kasan_kmalloc+0xc7/0xe0 [ 1916.688584] 63 [ 1916.692633] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1916.692651] ? free_pages+0x44/0x50 [ 1916.696854] 63 [ 1916.698649] v9fs_mount+0x7d/0x8f0 [ 1916.702608] 65 [ 1916.704385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1916.709365] 73 [ 1916.713241] mount_fs+0xae/0x31d [ 1916.713265] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1916.716858] 732d [ 1916.718671] ? may_umount+0xb0/0xb0 [ 1916.721916] 6c [ 1916.723707] ? _raw_read_unlock+0x2c/0x50 [ 1916.723721] ? __get_fs_type+0x97/0xc0 [ 1916.723739] do_mount+0x581/0x31f0 [ 1916.728028] 6f [ 1916.729821] ? copy_mount_string+0x40/0x40 [ 1916.734217] 24 [ 1916.738337] ? kasan_unpoison_shadow+0x35/0x50 [ 1916.740108] 6d [ 1916.744239] ? kasan_kmalloc+0xc7/0xe0 03:33:39 executing program 1 (fault-call:6 fault-nth:17): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1916.744257] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1916.744276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1916.746054] 69 [ 1916.750364] ? _copy_from_user+0xdf/0x150 [ 1916.752134] 6d [ 1916.755838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1916.755850] ? copy_mount_options+0x288/0x380 [ 1916.755867] ksys_mount+0x12d/0x140 [ 1916.760418] 65 [ 1916.764293] __x64_sys_mount+0xbe/0x150 [ 1916.764310] do_syscall_64+0x1b9/0x820 [ 1916.764327] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1916.766100] 5f [ 1916.770931] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1916.774632] 74 [ 1916.776410] ? trace_hardirqs_on_caller+0x310/0x310 [ 1916.779919] 79 [ 1916.781724] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1916.787260] 70 [ 1916.789035] ? recalc_sigpending_tsk+0x180/0x180 [ 1916.792385] 65 [ 1916.796939] ? kasan_check_write+0x14/0x20 [ 1916.798886] 21 [ 1916.802501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1916.802524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1916.804297] 73 [ 1916.808430] RIP: 0033:0x457579 [ 1916.812289] 65 [ 1916.815815] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1916.815823] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1916.817610] 6c [ 1916.821822] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1916.821834] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1916.823628] 69 [ 1916.828177] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1916.829952] 6e [ 1916.833824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1916.833832] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1916.898200] FAULT_INJECTION: forcing a failure. [ 1916.898200] name failslab, interval 1, probability 0, space 0, times 0 [ 1916.901172] 75785e2f776c616e30' [ 1916.905478] CPU: 0 PID: 8700 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1916.909610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1916.925630] Call Trace: [ 1916.951300] dump_stack+0x1c4/0x2b4 [ 1916.951318] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1916.951341] should_fail.cold.4+0xa/0x17 [ 1916.951359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1916.960847] ? __kernel_text_address+0xd/0x40 [ 1916.960862] ? unwind_get_return_address+0x61/0xa0 [ 1916.960882] ? __save_stack_trace+0x8d/0xf0 [ 1916.970474] 9pnet: Insufficient options for proto=fd [ 1916.975583] ? save_stack+0xa9/0xd0 [ 1916.975595] ? save_stack+0x43/0xd0 [ 1916.975606] ? kasan_kmalloc+0xc7/0xe0 [ 1916.975625] ? kstrdup+0x39/0x70 [ 1916.984673] ? parse_opts+0x176/0x510 [ 1916.984684] ? p9_fd_create+0x8b/0x3f0 [ 1916.984697] ? p9_client_create+0x866/0x160a [ 1916.984717] ? fs_reclaim_acquire+0x20/0x20 [ 1916.984743] ? lock_downgrade+0x900/0x900 [ 1917.012247] ? ___might_sleep+0x1ed/0x300 [ 1917.012264] ? arch_local_save_flags+0x40/0x40 [ 1917.012287] __should_failslab+0x124/0x180 [ 1917.012300] should_failslab+0x9/0x14 [ 1917.012313] __kmalloc+0x2d4/0x760 [ 1917.012325] ? kstrdup+0x39/0x70 [ 1917.012342] ? match_number.isra.0+0xbf/0x280 [ 1917.012358] match_number.isra.0+0xbf/0x280 [ 1917.012374] ? match_strdup+0xa0/0xa0 [ 1917.012387] ? match_wildcard+0x3c0/0x3c0 [ 1917.012405] match_int+0x23/0x30 [ 1917.022855] parse_opts+0x32e/0x510 [ 1917.022872] ? p9_fd_poll+0x2b0/0x2b0 [ 1917.022887] ? kasan_check_write+0x14/0x20 [ 1917.022905] ? trace_hardirqs_off+0xb8/0x310 [ 1917.022922] ? trace_hardirqs_on+0x310/0x310 [ 1917.066995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1917.075697] ? check_preemption_disabled+0x48/0x200 [ 1917.075716] p9_fd_create+0x8b/0x3f0 [ 1917.075737] ? p9_fd_show_options+0x1c0/0x1c0 [ 1917.075763] ? p9_client_create+0x7c3/0x160a [ 1917.075780] p9_client_create+0x866/0x160a [ 1917.075802] ? p9_client_read+0xc70/0xc70 [ 1917.090531] FAT-fs (loop3): bogus number of reserved sectors [ 1917.094316] ? fs_reclaim_acquire+0x20/0x20 [ 1917.094333] ? lock_downgrade+0x900/0x900 [ 1917.094348] ? __lockdep_init_map+0x105/0x590 [ 1917.094366] ? lockdep_init_map+0x9/0x10 [ 1917.098766] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1917.103076] ? kasan_check_write+0x14/0x20 [ 1917.103087] ? __init_rwsem+0x1cc/0x2a0 [ 1917.103103] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1917.103112] ? kasan_kmalloc+0xc7/0xe0 [ 1917.103138] ? save_stack+0x43/0xd0 [ 1917.251992] ? memcpy+0x45/0x50 [ 1917.255270] v9fs_session_init+0x217/0x1a70 [ 1917.259584] ? v9fs_show_options+0x7e0/0x7e0 [ 1917.263977] ? lock_downgrade+0x900/0x900 [ 1917.268111] ? ___might_sleep+0x1ed/0x300 [ 1917.272246] ? trace_hardirqs_on+0xbd/0x310 [ 1917.276570] ? v9fs_mount+0x62/0x8f0 [ 1917.280286] ? kasan_unpoison_shadow+0x35/0x50 [ 1917.284852] ? kasan_kmalloc+0xc7/0xe0 [ 1917.288741] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1917.293568] ? free_pages+0x44/0x50 [ 1917.297184] v9fs_mount+0x7d/0x8f0 [ 1917.300715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1917.306261] mount_fs+0xae/0x31d [ 1917.309619] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1917.314189] ? may_umount+0xb0/0xb0 [ 1917.317802] ? _raw_read_unlock+0x2c/0x50 [ 1917.321949] ? __get_fs_type+0x97/0xc0 [ 1917.325829] do_mount+0x581/0x31f0 [ 1917.329349] ? kasan_check_read+0x11/0x20 [ 1917.333494] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1917.337886] ? copy_mount_string+0x40/0x40 [ 1917.342102] ? kasan_check_write+0x14/0x20 [ 1917.346323] ? kasan_unpoison_shadow+0x35/0x50 [ 1917.350903] ? kasan_kmalloc+0xc7/0xe0 [ 1917.354781] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1917.359611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1917.365137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1917.370656] ? copy_mount_options+0x288/0x380 [ 1917.375139] ksys_mount+0x12d/0x140 [ 1917.378752] __x64_sys_mount+0xbe/0x150 [ 1917.382740] do_syscall_64+0x1b9/0x820 [ 1917.386629] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1917.391980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1917.396896] ? trace_hardirqs_on_caller+0x310/0x310 [ 1917.401896] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1917.406894] ? recalc_sigpending_tsk+0x180/0x180 [ 1917.411631] ? kasan_check_write+0x14/0x20 [ 1917.415876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1917.420713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1917.425907] RIP: 0033:0x457579 [ 1917.429107] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1917.448007] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1917.455705] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1917.462960] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1917.470215] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1917.477467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 03:33:39 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde57}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1917.484724] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1917.501259] overlayfs: filesystem on './file0' not supported as upperdir [ 1917.514778] 9pnet: Insufficient options for proto=fd 03:33:39 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xfeffffff}}, 0x24, 0x0) 03:33:39 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x1fffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:39 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x2000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:39 executing program 1 (fault-call:6 fault-nth:18): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:39 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000004ec0)=[{{&(0x7f0000000140)=@rc={0x1f, {0xfffffffffffffffd, 0x10001, 0x8, 0xffff, 0x4}, 0x3}, 0x80, &(0x7f00000000c0)=[{&(0x7f00000001c0)="1dc4020ec514f30eeec5cb937498841c82c128bafae487c97f32b4018282b2863e2f7e23da0111bc519bb5a8e40d7796bbcd50f7166b77898f74f54edc5a8258a5ebe236f633ba93773ab6886196da09896b8665935e0a4d", 0x58}, {&(0x7f0000000280)="b5fe3531c18136ef88e3c51ac1384382fe01d6235d38a85e47c7916b6b7a7048434093466dce581c367467201c65da9b0ec9117a7d80ad849da549925f63275d542c57f5c1b643f9eed8780aca8f9bb55bb5aac49c6f77a3b50c9a7516c657bcfc2067fbac914874d1127797fa3339b4c10f972a8ef815ce5dd0feedfe477e2b59352fe2ba02d4069dbd367b2feb93f71ad283605f7e888715ece74a06335930e5729eccfc", 0xa5}, {&(0x7f0000000340)="91f0c99ccd00e27ce42220544923dca62b2c7553db4d2eb415e581fb59e3583c4bf7643f97397a25e1aa70756f33a742bf8c53af74bfe20647d697e39216771ca1a14bbefb423a3d8433adda93ff042dc0ca5ec65c982ade5ec2e3a98efc3b19c32fe2e35b5e17", 0x67}, {&(0x7f00000003c0)="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", 0xfa}], 0x4, &(0x7f0000001440)=[{0x28, 0x1ff, 0x6a2, "1805fdada127da71c7b16c330a4a97628d4e"}, {0x60, 0x10b, 0x2, "935f4cbad721e1b62a26d02e93c7b99c7b04aecd6978cfecb91bc818cca9894d3988ac25555886c63c5de8470ea653a2fef048de091dc5ddb92c4d6c8bd679820cce20673a9ce856558c53996612b7b1"}, {0x78, 0x113, 0x4, "f0d21d5262d4450a621824dfe45dd4d571eee0061d06e3bacdecfbbe941d795cfcebc24f6fde3c24a346fd4b85b36e2540fb01296e1b090a8b96293d9dd3e781c06070424dc34cdf771c20e58c21f7ab8688cd7c5cba95d9cb7d4f4cf7212cfc880e731177565dc3"}, {0x1010, 0x12b, 0x1ff, 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&(0x7f00000013c0)=[{&(0x7f0000001300)="aee17a79857031fca9b5bd82a259782ac96ec9b84cc151c32de69117a757de48d648d6ac2386ac377f427618934c3dd70ab985a47f05e203bab291923e543f0884dd8cf1180b42465010218171441f1bbaaee1b23753091b742497bd9dd56c2a2ce894f7973b9f9889c4ff2a74228fba982f596e557656f9a5398cff0bc55505a707a2f35410d64b9e", 0x89}, {&(0x7f0000003780)="ec63c5fecb46d1484919e823ef6aa8131af53c452cd61a66b6443f0c71493a2a26bc6c4985fb37cfa0126efc482b1bf174fae3f0b53ce57456a21f8d82ac0ff620c40f2fa7c522780dfe5f10d13ece53ca8864df0fc6902ebbc047c14a47cc1552c1d054", 0x64}, {&(0x7f0000003800)="0f5cc624207200fee98f64faded4333854cce8159d025b86a564fdf8316f769acdaddbc7e944a4958e255f32a488ef19519ff3a50c4af2a76cb8acb8da28c6207719f9835d0d237979ea516b0f52b480942e6da8bed64a82f779a0f67a9604bcf29c1a13f1655280e51c7ba2442505deb979f3ff6c6ab9b9cb0a9018f433afe3fd3ca4b1a4bd4f3e63c58a4d28f75b", 0x8f}, {&(0x7f00000038c0)="e03cb88b1038e4cad736e89d0756dca0a43dfc1d57c3e3337d7d05dc36627a02f8cc26632f18d606afe8da0473f36f28c0ec3d454726e5990251457071dc9268bede7011c3c1b6b23463fdc036144a29ad7989758cdf73f61a6981c18185f8c0530550606b5e1034c1017e0b8ffceaeb4f78eb75", 0x74}], 0x4, &(0x7f0000003940)=[{0x1010, 0x111, 0x40, "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{0x38, 0x1, 0x800, "d2d8c0bdaac2b38883da5a5a584aad62139b26d2333e491f320961bf99c7aa137355128e48ba9c60"}, {0x90, 0x11e, 0xb91, "a2fa6910e7bc8b2d515ca1781c07126da9ff3d8779fa2b989c01efbe9c2de04f09166c48e16b5b417f4af314401f857ea52ad2fac27b334c2e8e6be6f251d87e2be799fb33367558795b92e4ef2101f37684544b302c93bee6e7a204b3f1c46a73cb061498c6da32a2ef3539490e422738fe9e67839e4ba1c5c86fb1"}, {0xb8, 0x102, 0x9, "e16f630bab78eccbcd007bce8715f3582a6cf8cecd4c2c6ff741f2f93910fe2e3cceb9d4907e6836508f54c7d8fc864d6de90aaa4e4fe4fd7f1a55c0326abc07af51877d6fb8288ffeba356c79365ad9f6b29626e9f2dcfdf3959194bd7b53f32d67c65df5be76844c941f4023fd9cba8504239c6dc17e6c2490443c3ae618e8fba15ac1b8d8c10c281e03714532d065d6689876be0f24e5c3cb04cc3571b1d541ad13"}, {0xd0, 0x1bf, 0x6, "57031fa09fef90b7987be72937280d6963bddb14e543eecafa2426b6bd231782da226d39ba1c9103754d429d4491605b4ac94fde75e590bfc38bde7568ea92dc017d5b8a8d65f43dc6271325b58fe759364f3ed8bf401438fa81a68139d2b89046b4836dc117c91c753aebac465b5abf16411f567e1fc33ded0f309a5b46e1b9363b66f62378171c611ada08e01525f6f634834900bbbc1028bbac13862ffec33db94b324134629885040200e9b298f7600a86d379ee16ba38e10743153532"}, {0xd8, 0x118, 0xa4e8, "9b589b4b61878f4a8f4423a1cec248599794053582bcce7f360ec0e29c0b8fb1ea45c1c14997cfe28f867f8c4f0fcb0c2d8c5b7559d97642013a8609139115d7994ae5a132ac16ade8598bf1a6c0c3799cd1cdf5a6e175bcbc62e5e9330b0ce242ea747323523e744b28c59040fdc63dc8dc2e614b08667dbec4efa62b0c6c4ad0a969ddcf16be7a0f0c0b1e10c0e98f5801bd76c41d4290b03e6bfcd1f6b4ddf6914b14232ba3a56fb48d4e71c06a183f044141621af5101ae9928f4401a8f6758de9d0"}], 0x1338, 0x4}, 0x47bf}, {{&(0x7f0000004c80)=@llc={0x1a, 0x306, 0xf, 0x538, 0x1, 0x5, @remote}, 0x80, &(0x7f0000004e40)=[{&(0x7f0000004d00)="e28066438c797d146be750cb370f4411ce09c3ae566a581937ef55bac2cb2faea602e99b45850e64e405560b8bcaf7aa1f1175edab4bcc396b7b3918f6e58664816cabb32594c378211a3c07a303f974f3e95034cf5dc3d7217baa07af4b9adcbce75262b0193a3e2d96c6d7", 0x6c}, {&(0x7f0000004d80)="1bf79285cd68ee9edbbfd32a1b0370e24bdb6133824837023f4ff5fb02f2d207ebdb226cb1bad662baa9a6775a430bef855e69c0e1efb75d6aa0c3a39af8ea21b7656a2133a03128d49f086621f8ad72000d13253690645ec201b7039bb35eaea99f5f8b0ab2f96af6aba9551a227710e0086aeb4e4afa12da2d88773dceee52083bdb103da580257ae49c9b0b555398613b7a815dbf98462ffbd978239824a387c7a296a762e2f89cd8a8d45ffbd26a8bf3883ffe144c8ed03053517094", 0xbe}], 0x2, &(0x7f0000004e80)=[{0x40, 0x11b, 0x7, "11b89e5026a9e34f2f38dd8c009c04003e1bf6cf38fd78ccb639f90eb18edc531d0fe6182ea623d7843b5940ea"}], 0x40, 0x20008000}, 0x7f}], 0x6, 0x3) pipe(&(0x7f0000005240)={0xffffffffffffffff}) write$apparmor_current(r1, &(0x7f0000005280)=@hat={'permhat ', 0x2, 0x5e, ['\x00', '/dev/sequencer2\x00', '!/\x00']}, 0x2f) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x10000, 0x0) ioctl$sock_bt_hidp_HIDPGETCONNLIST(r2, 0x800448d2, &(0x7f0000005200)={0x3, &(0x7f0000005040)=[{}, {}, {}]}) 03:33:40 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xa, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:40 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x600, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1917.693950] FAULT_INJECTION: forcing a failure. [ 1917.693950] name failslab, interval 1, probability 0, space 0, times 0 [ 1917.705197] CPU: 0 PID: 8726 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1917.712395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1917.721751] Call Trace: [ 1917.724351] dump_stack+0x1c4/0x2b4 [ 1917.727982] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1917.733168] ? perf_trace_lock+0x7a0/0x7a0 [ 1917.737401] should_fail.cold.4+0xa/0x17 [ 1917.741455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1917.746548] ? debug_smp_processor_id+0x1c/0x20 [ 1917.751204] ? perf_trace_lock_acquire+0x15b/0x800 [ 1917.756135] ? perf_trace_lock_acquire+0x15b/0x800 [ 1917.761056] ? perf_trace_lock+0x7a0/0x7a0 [ 1917.765279] ? __debug_object_init+0x57d/0x1290 [ 1917.769935] ? lock_downgrade+0x900/0x900 [ 1917.774067] ? lock_downgrade+0x900/0x900 [ 1917.778205] ? trace_hardirqs_on+0xbd/0x310 [ 1917.782621] ? kasan_check_read+0x11/0x20 [ 1917.786753] ? __debug_object_init+0x57d/0x1290 [ 1917.791408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1917.796858] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1917.801428] ? kasan_check_write+0x14/0x20 [ 1917.805666] ? lock_acquire+0x1ed/0x520 [ 1917.809719] ? p9_client_prepare_req.part.8+0x5d0/0xc30 [ 1917.815077] __should_failslab+0x124/0x180 [ 1917.819301] should_failslab+0x9/0x14 [ 1917.823090] kmem_cache_alloc_trace+0x4b/0x750 [ 1917.827665] ? kasan_check_write+0x14/0x20 [ 1917.831902] ? do_raw_spin_lock+0xc1/0x200 [ 1917.836132] p9_client_prepare_req.part.8+0x68d/0xc30 [ 1917.841321] ? p9_free_req.isra.7+0x140/0x140 [ 1917.845806] ? p9_pollwait+0x83/0x210 [ 1917.849592] ? p9_conn_create+0x720/0x720 [ 1917.853731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1917.859261] p9_client_rpc+0x1c2/0x1480 [ 1917.863220] ? p9_fd_poll+0x1e0/0x2b0 [ 1917.867014] ? p9_conn_create+0x565/0x720 [ 1917.871162] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1917.876518] ? ksys_dup3+0x680/0x680 [ 1917.880221] ? p9_fd_poll+0x2b0/0x2b0 [ 1917.884005] ? p9_fd_create+0x1a7/0x3f0 [ 1917.887967] ? kasan_unpoison_shadow+0x35/0x50 [ 1917.892542] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1917.897380] ? p9_fd_show_options+0x1c0/0x1c0 [ 1917.901868] p9_client_create+0xc1b/0x160a [ 1917.906099] ? p9_client_read+0xc70/0xc70 [ 1917.910239] ? fs_reclaim_acquire+0x20/0x20 [ 1917.914547] ? lock_downgrade+0x900/0x900 [ 1917.918688] ? __lockdep_init_map+0x105/0x590 [ 1917.923177] ? kasan_check_write+0x14/0x20 [ 1917.927399] ? __init_rwsem+0x1cc/0x2a0 [ 1917.931361] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1917.936363] ? kasan_kmalloc+0xc7/0xe0 [ 1917.940244] ? save_stack+0x43/0xd0 [ 1917.943855] ? memcpy+0x45/0x50 [ 1917.947129] v9fs_session_init+0x217/0x1a70 [ 1917.951450] ? v9fs_show_options+0x7e0/0x7e0 [ 1917.955845] ? lock_downgrade+0x900/0x900 [ 1917.959985] ? ___might_sleep+0x1ed/0x300 [ 1917.964124] ? trace_hardirqs_on+0xbd/0x310 [ 1917.968432] ? v9fs_mount+0x62/0x8f0 [ 1917.972145] ? kasan_unpoison_shadow+0x35/0x50 [ 1917.976721] ? kasan_kmalloc+0xc7/0xe0 [ 1917.980617] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1917.985456] ? free_pages+0x44/0x50 [ 1917.989089] v9fs_mount+0x7d/0x8f0 [ 1917.992617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1917.998149] mount_fs+0xae/0x31d [ 1918.001510] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1918.006093] ? may_umount+0xb0/0xb0 [ 1918.009706] ? _raw_read_unlock+0x2c/0x50 [ 1918.013843] ? __get_fs_type+0x97/0xc0 [ 1918.017720] do_mount+0x581/0x31f0 [ 1918.021253] ? copy_mount_string+0x40/0x40 [ 1918.025491] ? kasan_unpoison_shadow+0x35/0x50 [ 1918.030073] ? kasan_kmalloc+0xc7/0xe0 [ 1918.033955] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1918.038788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1918.044312] ? _copy_from_user+0xdf/0x150 [ 1918.048451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.053973] ? copy_mount_options+0x288/0x380 [ 1918.058455] ksys_mount+0x12d/0x140 [ 1918.062069] __x64_sys_mount+0xbe/0x150 [ 1918.066033] do_syscall_64+0x1b9/0x820 [ 1918.069907] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1918.075261] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1918.080182] ? trace_hardirqs_on_caller+0x310/0x310 [ 1918.085186] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1918.090189] ? recalc_sigpending_tsk+0x180/0x180 [ 1918.094931] ? kasan_check_write+0x14/0x20 [ 1918.099160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1918.103994] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1918.109288] RIP: 0033:0x457579 [ 1918.112469] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1918.131360] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 03:33:40 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1918.139058] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1918.146311] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1918.153566] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1918.160822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1918.168078] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1918.175347] 9pnet: Couldn't grow tag array [ 1918.192306] FAT-fs (loop3): bogus number of reserved sectors 03:33:40 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xbda80a00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:40 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x3c, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1918.231171] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:40 executing program 1 (fault-call:6 fault-nth:19): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:40 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x700000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1918.294662] FAT-fs (loop3): bogus number of reserved sectors [ 1918.303071] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1918.369892] overlayfs: filesystem on './file0' not supported as upperdir [ 1918.407161] FAULT_INJECTION: forcing a failure. [ 1918.407161] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1918.419001] CPU: 0 PID: 8769 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1918.426180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1918.426185] Call Trace: [ 1918.426208] dump_stack+0x1c4/0x2b4 [ 1918.426226] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1918.426241] ? mark_held_locks+0x130/0x130 [ 1918.426265] should_fail.cold.4+0xa/0x17 [ 1918.455283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1918.460407] ? mark_held_locks+0x130/0x130 [ 1918.464680] ? check_preemption_disabled+0x48/0x200 [ 1918.469724] ? mark_held_locks+0x130/0x130 [ 1918.473986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.479548] ? check_preemption_disabled+0x48/0x200 [ 1918.484601] ? debug_smp_processor_id+0x1c/0x20 [ 1918.489292] ? mark_held_locks+0x130/0x130 [ 1918.493543] ? mark_held_locks+0x130/0x130 [ 1918.497814] ? perf_trace_lock+0x7a0/0x7a0 [ 1918.502070] ? perf_trace_lock_acquire+0x15b/0x800 [ 1918.506997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.512526] ? should_fail+0x22d/0xd01 [ 1918.516403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1918.521494] ? debug_smp_processor_id+0x1c/0x20 [ 1918.526154] ? perf_trace_lock_acquire+0x15b/0x800 [ 1918.531072] __alloc_pages_nodemask+0x34b/0xde0 [ 1918.535733] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1918.540747] ? __debug_object_init+0x57d/0x1290 [ 1918.545400] ? lock_downgrade+0x900/0x900 [ 1918.549539] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1918.554977] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1918.559548] ? kasan_check_write+0x14/0x20 [ 1918.563772] ? trace_hardirqs_off+0xb8/0x310 [ 1918.568167] cache_grow_begin+0x91/0x8c0 [ 1918.572216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.577744] ? check_preemption_disabled+0x48/0x200 [ 1918.582759] kmem_cache_alloc_trace+0x67e/0x750 [ 1918.587416] ? kasan_check_write+0x14/0x20 [ 1918.591647] p9_client_prepare_req.part.8+0x68d/0xc30 [ 1918.596832] ? p9_free_req.isra.7+0x140/0x140 [ 1918.601317] ? p9_pollwait+0x83/0x210 [ 1918.605101] ? p9_conn_create+0x720/0x720 [ 1918.609236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.614762] p9_client_rpc+0x1c2/0x1480 [ 1918.618738] ? p9_fd_poll+0x1e0/0x2b0 [ 1918.622524] ? p9_conn_create+0x565/0x720 [ 1918.626660] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1918.632017] ? ksys_dup3+0x680/0x680 [ 1918.635729] ? p9_fd_poll+0x2b0/0x2b0 [ 1918.639514] ? p9_fd_create+0x1a7/0x3f0 [ 1918.643478] ? kasan_unpoison_shadow+0x35/0x50 [ 1918.648050] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1918.652889] ? p9_fd_show_options+0x1c0/0x1c0 [ 1918.657373] p9_client_create+0xc1b/0x160a [ 1918.661609] ? p9_client_read+0xc70/0xc70 [ 1918.665744] ? fs_reclaim_acquire+0x20/0x20 [ 1918.670057] ? lock_downgrade+0x900/0x900 [ 1918.674193] ? __lockdep_init_map+0x105/0x590 [ 1918.678689] ? kasan_check_write+0x14/0x20 [ 1918.682913] ? __init_rwsem+0x1cc/0x2a0 [ 1918.686877] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1918.691882] ? kasan_kmalloc+0xc7/0xe0 [ 1918.695761] ? save_stack+0x43/0xd0 [ 1918.699382] ? memcpy+0x45/0x50 [ 1918.702673] v9fs_session_init+0x217/0x1a70 [ 1918.707003] ? v9fs_show_options+0x7e0/0x7e0 [ 1918.711411] ? lock_downgrade+0x900/0x900 [ 1918.715553] ? ___might_sleep+0x1ed/0x300 [ 1918.719696] ? trace_hardirqs_on+0xbd/0x310 [ 1918.724009] ? v9fs_mount+0x62/0x8f0 [ 1918.727725] ? kasan_unpoison_shadow+0x35/0x50 [ 1918.732305] ? kasan_kmalloc+0xc7/0xe0 [ 1918.736182] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1918.741009] ? free_pages+0x44/0x50 [ 1918.744634] v9fs_mount+0x7d/0x8f0 [ 1918.748184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.753730] mount_fs+0xae/0x31d [ 1918.757091] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1918.761662] ? may_umount+0xb0/0xb0 [ 1918.765280] ? _raw_read_unlock+0x2c/0x50 [ 1918.769416] ? __get_fs_type+0x97/0xc0 [ 1918.773292] do_mount+0x581/0x31f0 [ 1918.776821] ? copy_mount_string+0x40/0x40 [ 1918.781044] ? kasan_unpoison_shadow+0x35/0x50 [ 1918.785696] ? kasan_kmalloc+0xc7/0xe0 [ 1918.789579] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1918.794413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1918.799936] ? _copy_from_user+0xdf/0x150 [ 1918.804076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1918.809614] ? copy_mount_options+0x288/0x380 [ 1918.814108] ksys_mount+0x12d/0x140 [ 1918.817738] __x64_sys_mount+0xbe/0x150 [ 1918.821709] do_syscall_64+0x1b9/0x820 [ 1918.825594] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1918.830944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1918.835863] ? trace_hardirqs_on_caller+0x310/0x310 [ 1918.840868] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1918.845887] ? recalc_sigpending_tsk+0x180/0x180 [ 1918.850630] ? kasan_check_write+0x14/0x20 [ 1918.854854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1918.859690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1918.864863] RIP: 0033:0x457579 [ 1918.868082] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1918.886990] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1918.894700] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1918.901953] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1918.909207] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:41 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup3(r0, r1, 0x80000) ioctl$IOC_PR_PREEMPT_ABORT(r2, 0x401870cc, &(0x7f0000000080)={0x7, 0x101, 0x4}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000a40)={'team0\x00', 0x0}) setsockopt$inet_mreq(r2, 0x0, 0x24, &(0x7f0000000500), 0x8) sendmmsg(r2, &(0x7f00000049c0)=[{{&(0x7f0000000140)=@un=@file={0x1, './file0\x00'}, 0x80, &(0x7f0000000800)=[{&(0x7f0000000280)="2e80363163e6e06e92c0324a29ac4f9dac016407fabc4a4a398db064a8c90805b19c73fde22f67ecd607f248f875c477af838984d981470f1a0e0c1f2d1ec203a184585ee96baaa4007046203a61521e79b450104a0385b1799b4763b2b963bc5830b70e7999dea78b2c54f8e73869d12dee947277d9a99879f3f8228ef561a38e5f01608c84b8d9ef5317c360649519c08d68219027d4bb661c3119dd94b8", 0x9f}, {&(0x7f00000001c0)="16a2e9a3fbe3e80ec774f37d96854ba2ebd4f919ebba68540bf76121bd624c8632dbcd4dbc69280d1b8c7e840b287af14638ad5ee4a33fe30f25cbbea9047fb07744ff7c8394ebd269dc03ad44b3656ad3ea61d55cac186d76f1a6230bc729", 0x5f}, {&(0x7f00000000c0)="aae189e690234816acbfe8e53f5fa80ad06c4c0166403232583dd2852d11602608b2bfe5fe973b5a03085412b7ab06", 0x2f}, {&(0x7f0000000340)="85820f4d18d350626012c2aa9564b262f984dd0861155a082f00a922aad2428607b6fa5308a75cb4e2b0de11fa7f0b237ba84a9e3ecf2a54500a1e3b2854e6226d3ea35d97dfeb6f7868e6797d64a3cb2b1a2c449f3cf62bef80c21de5cb8182b1c9918ea43e6c44b3c5519e1a68bd942813d65deb6a1655606e8aca6ec831c6f718f3ce27f61a17541ac1", 0x8b}, {&(0x7f0000000400)="28d8d01483dc3cfe6f69699755482eb13d9bb24589414e6eadab9a4dc46215f3d350ce1b4ef53e383267697457aa78ff03dbc18e62ebd1fd22542889db6343712b148e651c3311b05ca6bf78bfc65921253c4bee4402aa3a9b07d0eb8d9c4d32c458a7bf2e40308fa8da754bfa31c1e7af9aaabf47efbec63205b3e983e763364efa60e6097c95d31d369c621f87b4b34afefb31ac3c4fb5db0ca85d80df540eb923f499762c9d3254ab518fb14319f43c566eb536fb02e698335901a791380b834e0f444695a58f55afe628eb70fe56e6ebda4528", 0xd5}, {&(0x7f0000004b40)="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", 0x164}, {&(0x7f0000000600)="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", 0xfc}, {&(0x7f0000000700)="cae2b6a1be8b74abdc9be0c1298fff2fed0445af7f840a5bae7d22c5539b0a3807d0e5722bb061f919bd51bc835c0c38", 0x30}, {&(0x7f0000000740)="d6c9f810e449dbf7f0da9b2632862c8e18e23187341eafb5101cf49d3f2aca7ee739b808bea6e249d7584ea374d5b7e411218457685f10f79d228c42d3841e4c752cc22cd21a0d1a1396a7856c7d6264cfd840f9dda0a6ff2015d7f27512ae257456e991aa59566598fadfe01b7f3156b281b9a75b018580e66afe53c10d9f83e5f884dc2a978f961c5cfa3fd250fec552ddf130694c3285a533ced3c11a6cea34a6", 0xa2}], 0x9, &(0x7f0000001440)=[{0xb0, 0x108, 0x800, "b4cf223199e3515695fbcaebfd42831bf09aa4edd513775acf5dbce0292aa6f0112c5ab4d45414a791caebd8d902e4ebc2a1b02e9b1bbe4055bd891e29ef9334908d535906ec587a09679102068559afdb6e9c26215d4cece74e3428cdacffc3bb2a21cad4f0f38271445a0a6229ae2b53336be8e6c9f2944165114699b4eebc66a461a22d38ac06a4b101ad99e4fce863b233ef790f5b4c64"}, {0x1010, 0x0, 0x8, 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0x1000}], 0x3, &(0x7f0000001100)=[{0x48, 0x84, 0x0, "ed428b8fc758c5132a2647ee572a66b61549263f65432e8a35c3ea2fcfbfc70946ee07b779b99a26f82667ecdbff3e0e1a0f7c9f91"}, {0x50, 0x11f, 0x81, "c3f3d086a98be81bde5f80a3aa9b68e4516b96c23142be4f69c73e084396068ca75addcd335844e9ade0b17927bb352a3c29ba6c713148018489c3f51749"}, {0xd0, 0x11d, 0x200, "150cf2585b7cf8962a081d2ab979be31dbb22bc321df8a2095392d0bd9fe843ce66c97dd3a7979ba9ac648da3c252681b6bcb9c084820dd4e7526bd5cf21864ec2b2d17404cbbd7d1afdadc0d7c4cc13bfee3c0c718836fc88eb9d942d3eb604237d48df9fe6d1e5222cdf0b3fbdbdea3fc0dec54ffd4958b35fcad0f611566d63a68e7f6cec94ebb8d12b79a188dc078ac346ba1e81f59b76c8ded41de482ba38488c5c0c88532bd90f0fa49f594b6b6ede26154d26e7ed0ba1"}], 0x168, 0x4000000}, 0xfffffffffffffff7}, {{&(0x7f0000001280)=@pppoe={0x18, 0x0, {0x4, @local, 'team_slave_0\x00'}}, 0x80, &(0x7f00000048c0)=[{&(0x7f0000001300)="f72126ee2dbb6a88b1590a8ea07993fa8b98d2204df8a8d1f030ad732e0c6ae3b9e38dd482aa7130fdd542c006ac9d3d2cee3d77bbcec1f9fce64ad89b07a32ceb3ea329aceeaded809eff874aae683a7388ffadef23dd5526cf0a3a3f84011eccb59fd699af431bb8a918", 0x6b}, {&(0x7f0000001380)="83afebaeb33c0b28", 0x8}, {&(0x7f00000047c0)="0bd7023cfb7177d8fcbd49648f83b7f0f9a2c84741836b408a01e4a09df24a41e5271fead86bbad7be6eee5b5c3f800720e394164ac8a2f774c6e198a09090ed810552e363d7e7463f835b7d7b564ccd585b97519e84dc9d5eb3ae312d2ef7db0b3d0acca8d50604c4e1bade9d21b5f56db0d6174106c482132a799b69759001c60061e322bea4a6b6751439c9e1451a09ef1f7d0af431743e102da6a67405aea980727b7c78d108a6a84ebfdf462381112c8a9e8b47ef0944c738522986076ec0c91347b03885580b4ebe1b666a29de4e52e19acd4a617c5506e232f084b37927f9dd547e06", 0xe6}, {&(0x7f00000013c0)="68b12717df128063f8c5a6b1b54a1f503e63cbb0f9500906bf16d6117c8ce376", 0x20}], 0x4, &(0x7f0000004900)=[{0xa8, 0x107, 0x0, "57ee6f6e26c6678f49fd7522d554f30b6362f560203a11ac76f1ce7ecc94b7c713e43491583437369865a788d6a04dd7cf4bb0cb5b194c6d70b1173c43b7245867a2a4c45980093e531b19e01749d35e0f0c129ae79f4bc65a6daddf2ebb53ab47bcd8e9e60d99eadcdf73dfad70b5dd91040edac789436b5f87e66f2aa6ef638eab38916f463fb26a6a222193b365382976260fb4"}], 0xa8, 0x80}, 0x2}], 0x6, 0x0) 03:33:41 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x10000000}}, 0x24, 0x0) 03:33:41 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x8cffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:41 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x1903000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:41 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5ede000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1918.916476] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1918.923731] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:41 executing program 1 (fault-call:6 fault-nth:20): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:41 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="1400000000000000000000000000ebffffff0000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r2 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp\x00', 0x400000, 0x0) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) ioctl$sock_bt(r2, 0x8907, &(0x7f0000000140)="1f7a46d7426ad96be3ff5774c4bb7d808978d5bc602ad3fc4c08ecc20d09c64ad5eabbecedc296fe37c27db8e551e915c7d4dabee6063a729f64c573af71d4de8dc506ee5e54801a740d1fc3974db7785b820170ebd2cbad19e9e1e99ab766294691265a3e7b") 03:33:41 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6800000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:41 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x8003a0ffffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1919.031448] FAT-fs (loop3): bogus number of reserved sectors [ 1919.038111] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:41 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6cde0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1919.110007] FAULT_INJECTION: forcing a failure. [ 1919.110007] name failslab, interval 1, probability 0, space 0, times 0 [ 1919.140665] FAT-fs (loop3): bogus number of reserved sectors 03:33:41 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x300, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1919.164521] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1919.165085] overlayfs: filesystem on './file0' not supported as upperdir [ 1919.170828] CPU: 1 PID: 8796 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1919.184562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1919.193927] Call Trace: [ 1919.196543] dump_stack+0x1c4/0x2b4 [ 1919.200183] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1919.205394] ? kernel_text_address+0x79/0xf0 [ 1919.209821] should_fail.cold.4+0xa/0x17 [ 1919.213903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1919.219031] ? save_stack+0xa9/0xd0 [ 1919.222680] ? save_stack+0x43/0xd0 [ 1919.226324] ? kmem_cache_alloc_trace+0x152/0x750 [ 1919.231177] ? p9_client_prepare_req.part.8+0x68d/0xc30 [ 1919.236557] ? p9_client_rpc+0x1c2/0x1480 [ 1919.240713] ? p9_client_create+0xc1b/0x160a [ 1919.245128] ? v9fs_session_init+0x217/0x1a70 [ 1919.249620] ? v9fs_mount+0x7d/0x8f0 [ 1919.253335] ? mount_fs+0xae/0x31d [ 1919.256875] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1919.261618] ? do_mount+0x581/0x31f0 [ 1919.265318] ? ksys_mount+0x12d/0x140 [ 1919.269104] ? __x64_sys_mount+0xbe/0x150 [ 1919.273237] ? do_syscall_64+0x1b9/0x820 [ 1919.277286] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1919.282647] ? lock_downgrade+0x900/0x900 [ 1919.286785] ? cache_grow_end+0xa8/0x190 [ 1919.290851] ? lock_downgrade+0x900/0x900 [ 1919.294993] ? ___might_sleep+0x1ed/0x300 [ 1919.299126] ? kasan_check_read+0x11/0x20 [ 1919.303262] ? arch_local_save_flags+0x40/0x40 [ 1919.307849] ? p9_client_prepare_req.part.8+0x7c2/0xc30 [ 1919.313212] __should_failslab+0x124/0x180 [ 1919.317443] should_failslab+0x9/0x14 [ 1919.321230] __kmalloc+0x2d4/0x760 [ 1919.324757] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1919.330196] ? init_wait_entry+0x1c0/0x1c0 [ 1919.334415] ? p9_fcall_alloc+0x1e/0x90 [ 1919.338382] p9_fcall_alloc+0x1e/0x90 [ 1919.342171] p9_client_prepare_req.part.8+0x887/0xc30 [ 1919.347354] ? p9_free_req.isra.7+0x140/0x140 [ 1919.351840] ? p9_pollwait+0x83/0x210 [ 1919.355639] ? p9_conn_create+0x720/0x720 [ 1919.359784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1919.365312] p9_client_rpc+0x1c2/0x1480 [ 1919.369272] ? p9_fd_poll+0x1e0/0x2b0 [ 1919.373063] ? p9_conn_create+0x565/0x720 [ 1919.377202] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1919.382568] ? ksys_dup3+0x680/0x680 [ 1919.386269] ? p9_fd_poll+0x2b0/0x2b0 [ 1919.390060] ? p9_fd_create+0x1a7/0x3f0 [ 1919.394024] ? kasan_unpoison_shadow+0x35/0x50 [ 1919.398600] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1919.403449] ? p9_fd_show_options+0x1c0/0x1c0 [ 1919.407952] p9_client_create+0xc1b/0x160a [ 1919.412178] ? p9_client_read+0xc70/0xc70 [ 1919.416314] ? fs_reclaim_acquire+0x20/0x20 [ 1919.420621] ? lock_downgrade+0x900/0x900 [ 1919.424760] ? __lockdep_init_map+0x105/0x590 [ 1919.429246] ? kasan_check_write+0x14/0x20 [ 1919.433471] ? __init_rwsem+0x1cc/0x2a0 [ 1919.437433] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1919.442432] ? kasan_kmalloc+0xc7/0xe0 [ 1919.446312] ? save_stack+0x43/0xd0 [ 1919.449928] ? memcpy+0x45/0x50 [ 1919.453211] v9fs_session_init+0x217/0x1a70 [ 1919.457543] ? v9fs_show_options+0x7e0/0x7e0 [ 1919.461935] ? lock_downgrade+0x900/0x900 [ 1919.466075] ? ___might_sleep+0x1ed/0x300 [ 1919.470211] ? trace_hardirqs_on+0xbd/0x310 [ 1919.474523] ? v9fs_mount+0x62/0x8f0 [ 1919.478227] ? kasan_unpoison_shadow+0x35/0x50 [ 1919.482797] ? kasan_kmalloc+0xc7/0xe0 [ 1919.486685] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1919.491520] ? free_pages+0x44/0x50 [ 1919.495143] v9fs_mount+0x7d/0x8f0 [ 1919.498671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1919.504199] mount_fs+0xae/0x31d [ 1919.507570] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1919.512142] ? may_umount+0xb0/0xb0 [ 1919.515755] ? _raw_read_unlock+0x2c/0x50 [ 1919.519890] ? __get_fs_type+0x97/0xc0 [ 1919.523770] do_mount+0x581/0x31f0 [ 1919.527314] ? copy_mount_string+0x40/0x40 [ 1919.531550] ? kasan_unpoison_shadow+0x35/0x50 [ 1919.536120] ? kasan_kmalloc+0xc7/0xe0 [ 1919.539998] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1919.544831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1919.550354] ? _copy_from_user+0xdf/0x150 [ 1919.554490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1919.560023] ? copy_mount_options+0x288/0x380 [ 1919.564514] ksys_mount+0x12d/0x140 [ 1919.568130] __x64_sys_mount+0xbe/0x150 [ 1919.572096] do_syscall_64+0x1b9/0x820 [ 1919.575972] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1919.581338] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1919.586271] ? trace_hardirqs_on_caller+0x310/0x310 [ 1919.591285] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1919.596290] ? recalc_sigpending_tsk+0x180/0x180 [ 1919.601035] ? kasan_check_write+0x14/0x20 [ 1919.605261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1919.610095] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1919.615274] RIP: 0033:0x457579 [ 1919.618456] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1919.637344] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1919.645056] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1919.652337] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1919.659596] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:42 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xf00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1919.666868] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1919.674126] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1919.683936] 9pnet: Couldn't grow tag array 03:33:42 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x68000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x2000}}, 0x24, 0x0) 03:33:42 executing program 1 (fault-call:6 fault-nth:21): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x3f00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x55de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:42 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x7a000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1919.872338] FAULT_INJECTION: forcing a failure. [ 1919.872338] name failslab, interval 1, probability 0, space 0, times 0 [ 1919.898519] CPU: 1 PID: 8828 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1919.905745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1919.915097] Call Trace: [ 1919.917695] dump_stack+0x1c4/0x2b4 [ 1919.921325] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1919.926511] ? kernel_text_address+0x79/0xf0 [ 1919.930917] should_fail.cold.4+0xa/0x17 [ 1919.934972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1919.940071] ? save_stack+0xa9/0xd0 [ 1919.943685] ? save_stack+0x43/0xd0 [ 1919.947301] ? kmem_cache_alloc_trace+0x152/0x750 [ 1919.952153] ? p9_client_prepare_req.part.8+0x68d/0xc30 [ 1919.957506] ? p9_client_rpc+0x1c2/0x1480 [ 1919.961642] ? p9_client_create+0xc1b/0x160a [ 1919.966038] ? v9fs_session_init+0x217/0x1a70 [ 1919.970522] ? v9fs_mount+0x7d/0x8f0 [ 1919.974222] ? mount_fs+0xae/0x31d [ 1919.977754] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1919.982499] ? do_mount+0x581/0x31f0 [ 1919.986199] ? ksys_mount+0x12d/0x140 [ 1919.989990] ? __x64_sys_mount+0xbe/0x150 [ 1919.994132] ? do_syscall_64+0x1b9/0x820 [ 1919.998179] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1920.003533] ? lock_downgrade+0x900/0x900 [ 1920.007667] ? lock_downgrade+0x900/0x900 [ 1920.011807] ? trace_hardirqs_on+0xbd/0x310 [ 1920.016115] ? kasan_check_read+0x11/0x20 [ 1920.020247] ? __debug_object_init+0x57d/0x1290 [ 1920.024904] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1920.030344] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1920.034915] ? ___might_sleep+0x1ed/0x300 [ 1920.039052] ? arch_local_save_flags+0x40/0x40 [ 1920.043626] ? p9_client_prepare_req.part.8+0x7c2/0xc30 [ 1920.048992] __should_failslab+0x124/0x180 [ 1920.053215] should_failslab+0x9/0x14 [ 1920.057006] __kmalloc+0x2d4/0x760 [ 1920.060535] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1920.065971] ? init_wait_entry+0x1c0/0x1c0 [ 1920.070198] ? p9_fcall_alloc+0x1e/0x90 [ 1920.074159] ? do_raw_spin_lock+0xc1/0x200 [ 1920.078383] p9_fcall_alloc+0x1e/0x90 [ 1920.082173] p9_client_prepare_req.part.8+0x887/0xc30 [ 1920.087357] ? p9_free_req.isra.7+0x140/0x140 [ 1920.091840] ? p9_pollwait+0x83/0x210 [ 1920.095630] ? p9_conn_create+0x720/0x720 [ 1920.099763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.105289] p9_client_rpc+0x1c2/0x1480 [ 1920.109250] ? p9_fd_poll+0x1e0/0x2b0 [ 1920.113046] ? p9_conn_create+0x565/0x720 [ 1920.117183] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1920.122539] ? ksys_dup3+0x680/0x680 [ 1920.126240] ? p9_fd_poll+0x2b0/0x2b0 [ 1920.130024] ? p9_fd_create+0x1a7/0x3f0 [ 1920.133991] ? kasan_unpoison_shadow+0x35/0x50 [ 1920.138566] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1920.143401] ? p9_fd_show_options+0x1c0/0x1c0 [ 1920.147891] p9_client_create+0xc1b/0x160a [ 1920.152131] ? p9_client_read+0xc70/0xc70 [ 1920.156267] ? fs_reclaim_acquire+0x20/0x20 [ 1920.160591] ? lock_downgrade+0x900/0x900 [ 1920.164730] ? __lockdep_init_map+0x105/0x590 [ 1920.169215] ? kasan_check_write+0x14/0x20 [ 1920.173443] ? __init_rwsem+0x1cc/0x2a0 [ 1920.177422] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1920.182433] ? kasan_kmalloc+0xc7/0xe0 [ 1920.186323] ? save_stack+0x43/0xd0 [ 1920.189939] ? memcpy+0x45/0x50 [ 1920.193219] v9fs_session_init+0x217/0x1a70 [ 1920.197544] ? v9fs_show_options+0x7e0/0x7e0 [ 1920.201942] ? lock_downgrade+0x900/0x900 [ 1920.206087] ? ___might_sleep+0x1ed/0x300 [ 1920.210739] ? trace_hardirqs_on+0xbd/0x310 [ 1920.215054] ? v9fs_mount+0x62/0x8f0 [ 1920.218757] ? kasan_unpoison_shadow+0x35/0x50 [ 1920.223337] ? kasan_kmalloc+0xc7/0xe0 [ 1920.227233] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1920.232063] ? free_pages+0x44/0x50 [ 1920.235687] v9fs_mount+0x7d/0x8f0 [ 1920.239223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.244775] mount_fs+0xae/0x31d [ 1920.248138] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1920.252713] ? may_umount+0xb0/0xb0 [ 1920.256326] ? _raw_read_unlock+0x2c/0x50 [ 1920.260463] ? __get_fs_type+0x97/0xc0 [ 1920.264340] do_mount+0x581/0x31f0 [ 1920.267868] ? kasan_check_read+0x11/0x20 [ 1920.272004] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1920.276401] ? copy_mount_string+0x40/0x40 [ 1920.280647] ? kasan_check_write+0x14/0x20 [ 1920.284913] ? kasan_unpoison_shadow+0x35/0x50 [ 1920.289493] ? kasan_kmalloc+0xc7/0xe0 [ 1920.293373] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1920.298218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1920.303749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.309284] ? copy_mount_options+0x288/0x380 [ 1920.313771] ksys_mount+0x12d/0x140 [ 1920.317389] __x64_sys_mount+0xbe/0x150 [ 1920.321355] do_syscall_64+0x1b9/0x820 [ 1920.325235] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1920.330592] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1920.335511] ? trace_hardirqs_on_caller+0x310/0x310 [ 1920.340516] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1920.345518] ? recalc_sigpending_tsk+0x180/0x180 [ 1920.350262] ? kasan_check_write+0x14/0x20 [ 1920.354495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1920.359329] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1920.364503] RIP: 0033:0x457579 [ 1920.367683] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1920.386575] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1920.394293] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1920.401549] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1920.408806] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1920.416062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1920.423331] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1920.438928] FAT-fs (loop3): bogus number of reserved sectors [ 1920.459361] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1920.483341] 9pnet: Couldn't grow tag array 03:33:42 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) r2 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_tx_ring(r2, 0x107, 0x5, &(0x7f0000000040)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) syz_emit_ethernet(0x11, &(0x7f0000000100)={@empty, @empty, [], {@mpls_mc={0x8848, {[], @llc={@llc={0x0, 0x0, 'N'}}}}}}, &(0x7f0000000080)) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:42 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x7ffffffffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:42 executing program 1 (fault-call:6 fault-nth:22): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1920.517786] FAT-fs (loop3): bogus number of reserved sectors [ 1920.542158] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:42 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xfffffe00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:42 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x2, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1920.588457] overlayfs: filesystem on './file0' not supported as upperdir 03:33:43 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x100000000000000}}, 0x24, 0x0) [ 1920.672089] FAULT_INJECTION: forcing a failure. [ 1920.672089] name failslab, interval 1, probability 0, space 0, times 0 [ 1920.694248] CPU: 1 PID: 8877 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1920.701492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1920.710853] Call Trace: [ 1920.710884] dump_stack+0x1c4/0x2b4 [ 1920.710905] ? dump_stack_print_info.cold.2+0x52/0x52 03:33:43 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffffffffa0018000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:43 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x10, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1920.710937] should_fail.cold.4+0xa/0x17 [ 1920.726357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1920.726377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1920.736940] ? __kasan_slab_free+0x119/0x150 [ 1920.736959] ? p9_client_create+0xe45/0x160a [ 1920.736977] ? p9_free_req.isra.7+0x95/0x140 [ 1920.750185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.755745] ? p9_client_create+0x358/0x160a [ 1920.760183] ? fs_reclaim_acquire+0x20/0x20 [ 1920.764520] ? lock_downgrade+0x900/0x900 [ 1920.768689] ? ___might_sleep+0x1ed/0x300 03:33:43 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde64}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1920.772853] ? arch_local_save_flags+0x40/0x40 [ 1920.777449] ? kasan_check_write+0x14/0x20 [ 1920.781703] __should_failslab+0x124/0x180 [ 1920.785959] should_failslab+0x9/0x14 [ 1920.789777] __kmalloc_track_caller+0x2d0/0x750 [ 1920.794461] ? save_stack+0x43/0xd0 [ 1920.798107] ? v9fs_session_init+0x4ec/0x1a70 [ 1920.802613] kstrdup+0x39/0x70 [ 1920.802633] v9fs_session_init+0x4ec/0x1a70 [ 1920.802667] ? v9fs_show_options+0x7e0/0x7e0 [ 1920.814554] ? lock_downgrade+0x900/0x900 [ 1920.814576] ? ___might_sleep+0x1ed/0x300 03:33:43 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xaa8b2, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1920.814593] ? trace_hardirqs_on+0xbd/0x310 [ 1920.814606] ? v9fs_mount+0x62/0x8f0 [ 1920.814625] ? kasan_unpoison_shadow+0x35/0x50 [ 1920.822896] ? kasan_kmalloc+0xc7/0xe0 [ 1920.822922] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1920.822938] ? free_pages+0x44/0x50 [ 1920.822960] v9fs_mount+0x7d/0x8f0 [ 1920.839419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.839441] mount_fs+0xae/0x31d [ 1920.839462] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1920.856979] ? may_umount+0xb0/0xb0 [ 1920.856994] ? _raw_read_unlock+0x2c/0x50 [ 1920.857011] ? __get_fs_type+0x97/0xc0 [ 1920.864952] do_mount+0x581/0x31f0 [ 1920.864971] ? copy_mount_string+0x40/0x40 [ 1920.864991] ? kasan_unpoison_shadow+0x35/0x50 [ 1920.872728] ? kasan_kmalloc+0xc7/0xe0 [ 1920.872749] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1920.872766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1920.872783] ? _copy_from_user+0xdf/0x150 [ 1920.880183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1920.880197] ? copy_mount_options+0x288/0x380 [ 1920.880214] ksys_mount+0x12d/0x140 [ 1920.892894] __x64_sys_mount+0xbe/0x150 [ 1920.892920] do_syscall_64+0x1b9/0x820 [ 1920.892936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1920.892953] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1920.903328] ? trace_hardirqs_on_caller+0x310/0x310 [ 1920.903347] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1920.903364] ? recalc_sigpending_tsk+0x180/0x180 [ 1920.913022] ? kasan_check_write+0x14/0x20 [ 1920.913045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1920.913068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1920.913082] RIP: 0033:0x457579 [ 1920.921163] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1920.921172] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1920.921189] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1920.921202] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1920.929029] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1920.939285] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1920.939294] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:43 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xffffffffffffff90, &(0x7f0000000100)={&(0x7f0000001400)={0xffffffffffffff80, 0x12, 0x0, 0x0, 0x200000}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:43 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x500000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:43 executing program 1 (fault-call:6 fault-nth:23): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:43 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x1000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:43 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3ade0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1921.104951] FAT-fs (loop3): bogus number of reserved sectors [ 1921.110921] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1921.176768] FAULT_INJECTION: forcing a failure. [ 1921.176768] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1921.188620] CPU: 0 PID: 8922 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1921.188629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1921.188635] Call Trace: [ 1921.188665] dump_stack+0x1c4/0x2b4 [ 1921.188684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1921.188708] should_fail.cold.4+0xa/0x17 [ 1921.188726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1921.188746] ? is_bpf_text_address+0xac/0x170 [ 1921.205748] ? kasan_check_read+0x11/0x20 [ 1921.205768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1921.205787] ? rcu_bh_qs+0xc0/0xc0 [ 1921.205802] ? unwind_dump+0x190/0x190 [ 1921.205824] ? is_bpf_text_address+0xd3/0x170 [ 1921.212009] ? kernel_text_address+0x79/0xf0 [ 1921.212028] ? unwind_get_return_address+0x61/0xa0 [ 1921.212044] ? __save_stack_trace+0x8d/0xf0 [ 1921.212063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1921.221275] ? should_fail+0x22d/0xd01 [ 1921.221296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1921.221316] __alloc_pages_nodemask+0x34b/0xde0 [ 1921.221330] ? save_stack+0x43/0xd0 [ 1921.230894] ? kasan_kmalloc+0xc7/0xe0 [ 1921.230909] ? __kmalloc+0x14e/0x760 [ 1921.230925] ? p9_fcall_alloc+0x1e/0x90 [ 1921.230941] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1921.230960] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1921.240375] ? ksys_mount+0x12d/0x140 [ 1921.240388] ? __x64_sys_mount+0xbe/0x150 [ 1921.240404] ? do_syscall_64+0x1b9/0x820 03:33:43 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x8cffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1921.240424] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1921.247813] ? __x64_sys_mount+0xbe/0x150 [ 1921.247828] ? do_syscall_64+0x1b9/0x820 [ 1921.247851] ? lock_downgrade+0x900/0x900 [ 1921.247871] ? kasan_check_read+0x11/0x20 [ 1921.256759] ? ___might_sleep+0x1ed/0x300 [ 1921.256776] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 1921.256793] ? trace_hardirqs_off+0xb8/0x310 [ 1921.256812] cache_grow_begin+0x91/0x8c0 [ 1921.266020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1921.266038] ? check_preemption_disabled+0x48/0x200 [ 1921.266059] __kmalloc+0x68e/0x760 03:33:43 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x6000000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1921.266074] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1921.266088] ? init_wait_entry+0x1c0/0x1c0 [ 1921.266106] ? p9_fcall_alloc+0x1e/0x90 [ 1921.275492] p9_fcall_alloc+0x1e/0x90 [ 1921.275510] p9_client_prepare_req.part.8+0x812/0xc30 [ 1921.275536] ? p9_free_req.isra.7+0x140/0x140 [ 1921.275552] ? p9_pollwait+0x83/0x210 [ 1921.275566] ? p9_conn_create+0x720/0x720 [ 1921.285303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1921.285325] p9_client_rpc+0x1c2/0x1480 [ 1921.285344] ? p9_fd_poll+0x1e0/0x2b0 [ 1921.285359] ? p9_conn_create+0x565/0x720 [ 1921.292856] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1921.292878] ? ksys_dup3+0x680/0x680 [ 1921.292893] ? p9_fd_poll+0x2b0/0x2b0 [ 1921.292905] ? p9_fd_create+0x1a7/0x3f0 [ 1921.292920] ? kasan_unpoison_shadow+0x35/0x50 [ 1921.292943] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1921.300596] ? p9_fd_show_options+0x1c0/0x1c0 [ 1921.300621] p9_client_create+0xc1b/0x160a [ 1921.300645] ? p9_client_read+0xc70/0xc70 [ 1921.327740] ? fs_reclaim_acquire+0x20/0x20 [ 1921.327757] ? lock_downgrade+0x900/0x900 [ 1921.327774] ? __lockdep_init_map+0x105/0x590 [ 1921.344249] ? kasan_check_write+0x14/0x20 [ 1921.344263] ? __init_rwsem+0x1cc/0x2a0 [ 1921.344279] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1921.344290] ? kasan_kmalloc+0xc7/0xe0 [ 1921.344311] ? save_stack+0x43/0xd0 [ 1921.357433] ? memcpy+0x45/0x50 [ 1921.357457] v9fs_session_init+0x217/0x1a70 [ 1921.357485] ? v9fs_show_options+0x7e0/0x7e0 [ 1921.372072] ? lock_downgrade+0x900/0x900 [ 1921.372095] ? ___might_sleep+0x1ed/0x300 [ 1921.372113] ? trace_hardirqs_on+0xbd/0x310 [ 1921.410634] ? v9fs_mount+0x62/0x8f0 [ 1921.410650] ? kasan_unpoison_shadow+0x35/0x50 [ 1921.410666] ? kasan_kmalloc+0xc7/0xe0 [ 1921.437139] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1921.437155] ? free_pages+0x44/0x50 [ 1921.437177] v9fs_mount+0x7d/0x8f0 [ 1921.449501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1921.449529] mount_fs+0xae/0x31d [ 1921.558136] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1921.562709] ? may_umount+0xb0/0xb0 [ 1921.566331] ? _raw_read_unlock+0x2c/0x50 [ 1921.570473] ? __get_fs_type+0x97/0xc0 [ 1921.574353] do_mount+0x581/0x31f0 [ 1921.577885] ? copy_mount_string+0x40/0x40 [ 1921.582113] ? kasan_unpoison_shadow+0x35/0x50 [ 1921.586682] ? kasan_kmalloc+0xc7/0xe0 [ 1921.590562] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1921.595406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1921.600943] ? _copy_from_user+0xdf/0x150 [ 1921.605084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1921.610621] ? copy_mount_options+0x288/0x380 [ 1921.615106] ksys_mount+0x12d/0x140 [ 1921.618719] __x64_sys_mount+0xbe/0x150 [ 1921.622690] do_syscall_64+0x1b9/0x820 [ 1921.626577] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1921.631930] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1921.636851] ? trace_hardirqs_on_caller+0x310/0x310 [ 1921.641855] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1921.646858] ? recalc_sigpending_tsk+0x180/0x180 [ 1921.651602] ? kasan_check_write+0x14/0x20 [ 1921.655831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1921.660669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1921.665845] RIP: 0033:0x457579 [ 1921.669028] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1921.688016] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1921.695714] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1921.702972] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1921.710224] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1921.717479] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1921.724734] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1921.751464] FAT-fs (loop3): bogus number of reserved sectors [ 1921.763922] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1921.794919] overlayfs: filesystem on './file0' not supported as upperdir 03:33:44 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x200000000000000}}, 0x24, 0x0) 03:33:44 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x3f00000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4000000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 1 (fault-call:6 fault-nth:24): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4fde}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:44 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f00000000c0), 0x0, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x208000, 0x0) accept4$inet6(r2, &(0x7f00000000c0)={0xa, 0x0, 0x0, @ipv4={[], [], @local}}, &(0x7f0000000140)=0x1c, 0x80000) [ 1921.884494] FAULT_INJECTION: forcing a failure. [ 1921.884494] name failslab, interval 1, probability 0, space 0, times 0 [ 1921.913163] CPU: 1 PID: 8950 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1921.920386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1921.920394] Call Trace: [ 1921.920420] dump_stack+0x1c4/0x2b4 [ 1921.920442] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1921.920471] should_fail.cold.4+0xa/0x17 [ 1921.920488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1921.920507] ? lock_downgrade+0x900/0x900 [ 1921.941247] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1921.941263] ? kasan_check_read+0x11/0x20 [ 1921.941288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1921.941303] ? rcu_bh_qs+0xc0/0xc0 [ 1921.941317] ? unwind_dump+0x190/0x190 [ 1921.941343] ? is_bpf_text_address+0xd3/0x170 [ 1921.941360] ? kernel_text_address+0x79/0xf0 [ 1921.941380] ? fs_reclaim_acquire+0x20/0x20 [ 1921.941397] ? lock_downgrade+0x900/0x900 [ 1921.941417] ? ___might_sleep+0x1ed/0x300 [ 1921.941434] ? arch_local_save_flags+0x40/0x40 [ 1921.941460] __should_failslab+0x124/0x180 [ 1921.941475] should_failslab+0x9/0x14 [ 1921.941491] kmem_cache_alloc_trace+0x2d7/0x750 [ 1921.941506] ? trace_hardirqs_off+0xb8/0x310 [ 1921.941518] ? kasan_check_read+0x11/0x20 [ 1921.941533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1921.941549] ? trace_hardirqs_on+0x310/0x310 [ 1921.950694] p9_fid_create+0x49/0x2b0 [ 1921.964753] p9_client_attach+0xbc/0x860 [ 1921.981899] ? debug_check_no_obj_freed+0x305/0x58d [ 1921.981919] ? p9_client_walk+0xb30/0xb30 [ 1921.981932] ? check_preemption_disabled+0x48/0x200 [ 1921.981950] ? trace_hardirqs_on+0xbd/0x310 [ 1921.994811] ? v9fs_session_init+0xd46/0x1a70 [ 1921.994831] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1922.033637] ? __kasan_slab_free+0x119/0x150 [ 1922.033661] v9fs_session_init+0xf4d/0x1a70 [ 1922.033675] ? v9fs_session_init+0xf4d/0x1a70 [ 1922.033704] ? v9fs_show_options+0x7e0/0x7e0 [ 1922.041534] ? lock_downgrade+0x900/0x900 [ 1922.041555] ? ___might_sleep+0x1ed/0x300 [ 1922.041575] ? trace_hardirqs_on+0xbd/0x310 [ 1922.100132] ? v9fs_mount+0x62/0x8f0 [ 1922.100153] ? kasan_unpoison_shadow+0x35/0x50 [ 1922.100165] ? kasan_kmalloc+0xc7/0xe0 [ 1922.100186] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1922.108465] ? free_pages+0x44/0x50 [ 1922.120804] v9fs_mount+0x7d/0x8f0 [ 1922.120824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1922.120844] mount_fs+0xae/0x31d [ 1922.129924] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1922.129946] ? may_umount+0xb0/0xb0 [ 1922.141571] ? _raw_read_unlock+0x2c/0x50 [ 1922.141679] FAT-fs (loop3): bogus number of reserved sectors [ 1922.145721] ? __get_fs_type+0x97/0xc0 [ 1922.145742] do_mount+0x581/0x31f0 [ 1922.145761] ? copy_mount_string+0x40/0x40 [ 1922.145779] ? kasan_unpoison_shadow+0x35/0x50 [ 1922.145799] ? kasan_kmalloc+0xc7/0xe0 [ 1922.166800] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1922.167908] ? kmem_cache_alloc_trace+0x31f/0x750 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffffff7f, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xb00000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x4, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x48, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.167932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1922.167950] ? copy_mount_options+0x288/0x380 [ 1922.192604] ksys_mount+0x12d/0x140 [ 1922.196262] __x64_sys_mount+0xbe/0x150 [ 1922.200270] do_syscall_64+0x1b9/0x820 [ 1922.204175] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1922.210044] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1922.214990] ? trace_hardirqs_on_caller+0x310/0x310 [ 1922.220020] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1922.225056] ? recalc_sigpending_tsk+0x180/0x180 [ 1922.229838] ? kasan_check_write+0x14/0x20 [ 1922.234077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1922.238923] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1922.244102] RIP: 0033:0x457579 [ 1922.247292] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1922.266275] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1922.273973] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xebffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.281231] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1922.288494] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1922.295751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1922.303018] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:44 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffffff7f00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.332284] FAT-fs (loop3): bogus number of reserved sectors [ 1922.371485] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:44 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x8003a0ffffffff}}, 0x24, 0x0) 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x2000000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x72de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:44 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xaa8bb, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 1 (fault-call:6 fault-nth:25): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:44 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000080)='/dev/vcs#\x00', 0x3ff, 0x200040) ioctl$KVM_GET_XSAVE(r2, 0x9000aea4, &(0x7f00000004c0)) ioctl$BLKROGET(r2, 0x125e, &(0x7f00000000c0)) sendmsg$nl_generic(r2, &(0x7f00000001c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000280)={0x228, 0x14, 0x0, 0x70bd2b, 0x25dfdbfc, {0x11}, [@generic="0e79023e126cd6f7c29b8bc83054d3ee08cd9a8513884ca3e6667169ef99443cf62b15b21818d9c78b4361f62761bb7a0aad61a7207f9281c65bb990b676ac148848315f8d54ba907875debb87364a8ab457315394881388d9fd451262d7016c9af0e6a89a31dcf89753c2805dbc356edc649f6b2a90c256f5099e", @typed={0xc, 0x26, @u64=0x80000000}, @generic="045e3b9402b627d76e84069415d6a9edba7b3c3c9d0705fe59529d19c2777ee0dc6693673c6fd579a62ea9e5169c4f5f380a5006100d44b0d8e16f70503e30b35698447182d6f0a61f9299a9fecfd88a1fc052548620283e719bbecdd64db2524599de8bc82325e0100913f8afc4a4b4c0c8ac7f3650efb9d32a836fc7883b6e19c46089cb534cd2cc74a0932146c3945c3a3031", @generic="02c7cc567d35b10852a7024d83215ac7d4c03852e20cb28d3be043b648befdfaf57eab1584c1d90bfc4eee7e61b4155ee5c87e4bf6f568345cf2aab588547d5b804a", @generic="471afd1dc4ee2f31ef1e6a17eac14a81698955377a1c7417d63ecfef0371c8c9e72b96e4a417fa237f879d811af8c820a3e70ad805f03007411ba008c1083b6cbd5b68cf48f9f77ab4ad4f4b3074eaa84f6ef713b1c641a509644f626fd844799e98d53da4399f41f97aefb4684e948870edf22498cd82d8b7d18edf052e0895a2a584a26a29681b0471dcedc58525f3c814e5e5480f5d1853be14ba330da81d", @typed={0x14, 0x51, @ipv6=@local}]}, 0x228}, 0x1, 0x0, 0x0, 0x4040}, 0x20008001) ioctl$RTC_WKALM_RD(r2, 0x80287010, &(0x7f0000000200)) 03:33:44 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x900000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.531341] FAULT_INJECTION: forcing a failure. [ 1922.531341] name failslab, interval 1, probability 0, space 0, times 0 [ 1922.582503] CPU: 0 PID: 9012 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1922.589746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1922.599110] Call Trace: [ 1922.601718] dump_stack+0x1c4/0x2b4 [ 1922.605369] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1922.610590] should_fail.cold.4+0xa/0x17 [ 1922.614678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1922.619796] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1922.619815] ? __kasan_slab_free+0x119/0x150 03:33:44 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x42de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:44 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x6, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.619832] ? p9_client_create+0xe45/0x160a [ 1922.619849] ? p9_free_req.isra.7+0x95/0x140 [ 1922.629693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1922.629710] ? p9_client_create+0x358/0x160a [ 1922.629737] ? fs_reclaim_acquire+0x20/0x20 [ 1922.638540] ? lock_downgrade+0x900/0x900 [ 1922.638560] ? ___might_sleep+0x1ed/0x300 [ 1922.638579] ? arch_local_save_flags+0x40/0x40 [ 1922.665621] ? kasan_check_write+0x14/0x20 [ 1922.669850] __should_failslab+0x124/0x180 [ 1922.674075] should_failslab+0x9/0x14 [ 1922.677882] __kmalloc_track_caller+0x2d0/0x750 [ 1922.682540] ? save_stack+0x43/0xd0 [ 1922.686154] ? v9fs_session_init+0x4ec/0x1a70 [ 1922.690639] kstrdup+0x39/0x70 [ 1922.693821] v9fs_session_init+0x4ec/0x1a70 [ 1922.698139] ? v9fs_show_options+0x7e0/0x7e0 [ 1922.702536] ? lock_downgrade+0x900/0x900 [ 1922.706674] ? ___might_sleep+0x1ed/0x300 [ 1922.710832] ? trace_hardirqs_on+0xbd/0x310 [ 1922.715142] ? v9fs_mount+0x62/0x8f0 [ 1922.718847] ? kasan_unpoison_shadow+0x35/0x50 [ 1922.723415] ? kasan_kmalloc+0xc7/0xe0 [ 1922.727306] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1922.732137] ? free_pages+0x44/0x50 [ 1922.735757] v9fs_mount+0x7d/0x8f0 [ 1922.739288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1922.744816] mount_fs+0xae/0x31d [ 1922.748191] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1922.752768] ? may_umount+0xb0/0xb0 [ 1922.756383] ? _raw_read_unlock+0x2c/0x50 [ 1922.760522] ? __get_fs_type+0x97/0xc0 [ 1922.764397] do_mount+0x581/0x31f0 [ 1922.767923] ? kasan_check_read+0x11/0x20 [ 1922.772058] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1922.776454] ? copy_mount_string+0x40/0x40 [ 1922.780687] ? kasan_check_write+0x14/0x20 [ 1922.784908] ? kasan_unpoison_shadow+0x35/0x50 [ 1922.789475] ? kasan_kmalloc+0xc7/0xe0 [ 1922.793354] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1922.798795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1922.804326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1922.809848] ? copy_mount_options+0x288/0x380 [ 1922.814332] ksys_mount+0x12d/0x140 [ 1922.817963] __x64_sys_mount+0xbe/0x150 [ 1922.821930] do_syscall_64+0x1b9/0x820 [ 1922.825806] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1922.831157] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1922.836075] ? trace_hardirqs_on_caller+0x310/0x310 [ 1922.841081] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1922.846085] ? recalc_sigpending_tsk+0x180/0x180 [ 1922.850827] ? kasan_check_write+0x14/0x20 [ 1922.855057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1922.859894] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1922.865082] RIP: 0033:0x457579 [ 1922.868266] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1922.887154] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1922.894871] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1922.902129] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1922.909385] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1922.916642] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1922.923902] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:45 executing program 1 (fault-call:6 fault-nth:26): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1922.938102] 9pnet: Insufficient options for proto=fd [ 1922.938888] FAT-fs (loop3): bogus number of reserved sectors [ 1922.950258] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:45 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x4000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:45 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a0c}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1922.998655] FAT-fs (loop3): bogus number of reserved sectors [ 1923.056039] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1923.057227] FAULT_INJECTION: forcing a failure. [ 1923.057227] name failslab, interval 1, probability 0, space 0, times 0 [ 1923.102628] CPU: 0 PID: 9045 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1923.109889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1923.119248] Call Trace: [ 1923.121847] dump_stack+0x1c4/0x2b4 [ 1923.125477] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1923.130673] should_fail.cold.4+0xa/0x17 [ 1923.134741] ? prepare_to_wait_event+0x39f/0xa10 [ 1923.139492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1923.144588] ? pdu_read+0x90/0xd0 [ 1923.148034] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1923.153558] ? p9pdu_readf+0xb6a/0x2130 [ 1923.157523] ? p9pdu_writef+0xe0/0xe0 [ 1923.161311] ? prepare_to_wait_event+0x39f/0xa10 [ 1923.166060] ? prepare_to_wait_exclusive+0x480/0x480 [ 1923.171156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1923.176694] ? p9_parse_header+0x3ea/0x510 [ 1923.180919] ? ___might_sleep+0x1ed/0x300 [ 1923.185056] ? arch_local_save_flags+0x40/0x40 [ 1923.189626] ? p9_client_cb+0x60/0x60 [ 1923.193413] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1923.198938] ? trace_9p_protocol_dump+0xe0/0x3a0 [ 1923.203685] __should_failslab+0x124/0x180 [ 1923.207925] should_failslab+0x9/0x14 [ 1923.211714] __kmalloc+0x2d4/0x760 [ 1923.215244] ? memcpy+0x45/0x50 [ 1923.218511] ? p9pdu_readf+0x529/0x2130 [ 1923.222490] p9pdu_readf+0x529/0x2130 [ 1923.226283] ? p9pdu_writef+0xe0/0xe0 [ 1923.230169] ? ksys_dup3+0x680/0x680 [ 1923.233876] ? p9_fd_poll+0x2b0/0x2b0 [ 1923.237661] ? p9_fd_create+0x1a7/0x3f0 [ 1923.241642] ? kasan_unpoison_shadow+0x35/0x50 [ 1923.246216] ? finish_wait+0x430/0x430 [ 1923.250106] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1923.254944] ? p9_fd_show_options+0x1c0/0x1c0 [ 1923.259435] p9_client_create+0xcee/0x160a [ 1923.263663] ? p9_client_read+0xc70/0xc70 [ 1923.267818] ? fs_reclaim_acquire+0x20/0x20 [ 1923.272127] ? lock_downgrade+0x900/0x900 [ 1923.276272] ? __lockdep_init_map+0x105/0x590 [ 1923.280758] ? kasan_check_write+0x14/0x20 [ 1923.284982] ? __init_rwsem+0x1cc/0x2a0 [ 1923.288944] ? do_raw_write_unlock.cold.8+0x49/0x49 [ 1923.293948] ? kasan_kmalloc+0xc7/0xe0 [ 1923.297836] ? save_stack+0x43/0xd0 [ 1923.301448] ? memcpy+0x45/0x50 [ 1923.304725] v9fs_session_init+0x217/0x1a70 [ 1923.309064] ? v9fs_show_options+0x7e0/0x7e0 [ 1923.313459] ? lock_downgrade+0x900/0x900 [ 1923.317610] ? ___might_sleep+0x1ed/0x300 [ 1923.321762] ? trace_hardirqs_on+0xbd/0x310 [ 1923.326076] ? v9fs_mount+0x62/0x8f0 [ 1923.329778] ? kasan_unpoison_shadow+0x35/0x50 [ 1923.334359] ? kasan_kmalloc+0xc7/0xe0 [ 1923.338238] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1923.343068] ? free_pages+0x44/0x50 [ 1923.346690] v9fs_mount+0x7d/0x8f0 [ 1923.350221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1923.355751] mount_fs+0xae/0x31d [ 1923.359110] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1923.363684] ? may_umount+0xb0/0xb0 [ 1923.367300] ? _raw_read_unlock+0x2c/0x50 [ 1923.371434] ? __get_fs_type+0x97/0xc0 [ 1923.375314] do_mount+0x581/0x31f0 [ 1923.378855] ? kasan_check_read+0x11/0x20 [ 1923.382995] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1923.387407] ? copy_mount_string+0x40/0x40 [ 1923.391626] ? kasan_check_write+0x14/0x20 [ 1923.395854] ? kasan_unpoison_shadow+0x35/0x50 [ 1923.400511] ? kasan_kmalloc+0xc7/0xe0 [ 1923.404393] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1923.409238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1923.414772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1923.420294] ? copy_mount_options+0x288/0x380 [ 1923.424780] ksys_mount+0x12d/0x140 [ 1923.428396] __x64_sys_mount+0xbe/0x150 [ 1923.432370] do_syscall_64+0x1b9/0x820 [ 1923.436247] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1923.441602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1923.446532] ? trace_hardirqs_on_caller+0x310/0x310 [ 1923.451543] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1923.456550] ? recalc_sigpending_tsk+0x180/0x180 [ 1923.461293] ? kasan_check_write+0x14/0x20 [ 1923.465523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1923.470363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1923.475540] RIP: 0033:0x457579 [ 1923.478722] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1923.497611] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1923.505308] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1923.512567] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1923.519850] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1923.527105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1923.534372] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:46 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x14}}, 0x24, 0x0) 03:33:46 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x8000a0ffffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffffffffffff0700, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) accept4(r1, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @loopback}}}, &(0x7f0000000140)=0x80, 0x800) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000280)={{{@in, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in6=@mcast1}}, &(0x7f0000000180)=0xe8) ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f00000001c0)={'vcan0\x00', r3}) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:46 executing program 1 (fault-call:6 fault-nth:27): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1923.656942] FAULT_INJECTION: forcing a failure. [ 1923.656942] name failslab, interval 1, probability 0, space 0, times 0 [ 1923.673158] CPU: 0 PID: 9062 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1923.680481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1923.689847] Call Trace: [ 1923.692457] dump_stack+0x1c4/0x2b4 [ 1923.696119] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1923.701346] should_fail.cold.4+0xa/0x17 [ 1923.705428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1923.710545] ? lock_downgrade+0x900/0x900 [ 1923.714716] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1923.720530] ? kasan_check_read+0x11/0x20 [ 1923.724697] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1923.729985] ? rcu_bh_qs+0xc0/0xc0 [ 1923.729998] ? unwind_dump+0x190/0x190 [ 1923.730021] ? is_bpf_text_address+0xd3/0x170 [ 1923.741914] ? kernel_text_address+0x79/0xf0 [ 1923.741935] ? fs_reclaim_acquire+0x20/0x20 [ 1923.750648] ? lock_downgrade+0x900/0x900 03:33:46 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde4c}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:46 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffff1f0000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1923.754803] ? ___might_sleep+0x1ed/0x300 [ 1923.754819] ? arch_local_save_flags+0x40/0x40 [ 1923.754841] __should_failslab+0x124/0x180 [ 1923.754854] should_failslab+0x9/0x14 [ 1923.754873] kmem_cache_alloc_trace+0x2d7/0x750 [ 1923.763571] ? trace_hardirqs_off+0xb8/0x310 [ 1923.763584] ? kasan_check_read+0x11/0x20 [ 1923.763600] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1923.763613] ? trace_hardirqs_on+0x310/0x310 [ 1923.763633] p9_fid_create+0x49/0x2b0 [ 1923.763649] p9_client_attach+0xbc/0x860 [ 1923.763667] ? debug_check_no_obj_freed+0x305/0x58d [ 1923.806537] ? p9_client_walk+0xb30/0xb30 [ 1923.810683] ? check_preemption_disabled+0x48/0x200 [ 1923.815704] ? trace_hardirqs_on+0xbd/0x310 [ 1923.820023] ? v9fs_session_init+0xd46/0x1a70 [ 1923.824512] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1923.829953] ? __kasan_slab_free+0x119/0x150 [ 1923.834353] v9fs_session_init+0xf4d/0x1a70 [ 1923.838663] ? v9fs_session_init+0xf4d/0x1a70 [ 1923.843159] ? v9fs_show_options+0x7e0/0x7e0 [ 1923.847579] ? trace_hardirqs_on+0xbd/0x310 [ 1923.851903] ? v9fs_mount+0x62/0x8f0 [ 1923.855608] ? kasan_unpoison_shadow+0x35/0x50 [ 1923.860177] ? kasan_kmalloc+0xc7/0xe0 [ 1923.864057] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1923.868895] v9fs_mount+0x7d/0x8f0 [ 1923.872428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1923.877961] mount_fs+0xae/0x31d [ 1923.881323] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1923.885894] ? may_umount+0xb0/0xb0 [ 1923.889509] ? _raw_read_unlock+0x2c/0x50 [ 1923.893644] ? __get_fs_type+0x97/0xc0 [ 1923.897521] do_mount+0x581/0x31f0 [ 1923.901047] ? trace_hardirqs_off+0x310/0x310 [ 1923.905553] ? copy_mount_string+0x40/0x40 [ 1923.909866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1923.914613] ? retint_kernel+0x2d/0x2d [ 1923.918496] ? copy_mount_options+0x1f3/0x380 [ 1923.922982] ? copy_mount_options+0x205/0x380 [ 1923.927468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1923.932989] ? copy_mount_options+0x288/0x380 [ 1923.937472] ksys_mount+0x12d/0x140 [ 1923.941107] __x64_sys_mount+0xbe/0x150 [ 1923.945104] do_syscall_64+0x1b9/0x820 [ 1923.948984] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1923.954356] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1923.959286] ? trace_hardirqs_on_caller+0x310/0x310 [ 1923.964292] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1923.969297] ? recalc_sigpending_tsk+0x180/0x180 [ 1923.974043] ? kasan_check_write+0x14/0x20 [ 1923.978267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1923.983119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1923.988302] RIP: 0033:0x457579 03:33:46 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x3f000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1923.991486] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1924.010377] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1924.018097] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1924.025358] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1924.032625] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1924.039892] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1924.047159] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:46 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xfeffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xd00000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1924.110435] FAT-fs (loop3): bogus number of reserved sectors [ 1924.125760] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:46 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="14000000007112fbf5367d7b5a00001100000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:46 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xde4b}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1924.191360] FAT-fs (loop3): bogus number of reserved sectors [ 1924.218432] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1924.253364] overlayfs: filesystem on './file0' not supported as upperdir 03:33:46 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xf6ffffff}}, 0x24, 0x0) 03:33:46 executing program 1 (fault-call:6 fault-nth:28): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffff1f00, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xc, &(0x7f0000000100)={&(0x7f0000001400)={0x14, 0x0, 0x0, 0x0, 0x25dfdbfd}, 0xfffffffffffffdaa}, 0x1, 0x0, 0x0, 0x20000000000000}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) setxattr$security_capability(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='security.capability\x00', &(0x7f0000000140)=@v2={0x2000000, [{0x6, 0x20}, {0x100, 0x1}]}, 0x14, 0x2) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/mixer\x00', 0x20000, 0x0) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000200)='team\x00') getsockname$packet(0xffffffffffffff9c, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14) ioctl$SNDRV_RAWMIDI_IOCTL_DROP(r2, 0x40045730, &(0x7f0000000280)=0xfffffffffffffff8) getsockopt$inet_mreqn(0xffffffffffffff9c, 0x0, 0x23, &(0x7f0000000340)={@rand_addr, @rand_addr, 0x0}, &(0x7f0000000380)=0xff70) sendmsg$TEAM_CMD_OPTIONS_GET(r2, &(0x7f00000004c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x94, r3, 0x402, 0x70bd29, 0x25dfdbfb, {}, [{{0x8, 0x1, r4}, {0x78, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8}, {0x4}}, {0x8, 0x6, r5}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8}, {0x8, 0x4, 0x2}}}]}}]}, 0x94}, 0x1, 0x0, 0x0, 0x8000}, 0x8000) ioctl$GIO_FONTX(r2, 0x4b6b, &(0x7f0000000500)=""/173) r6 = semget$private(0x0, 0x2, 0x80) semctl$GETVAL(r6, 0x1, 0xc, &(0x7f00000005c0)=""/78) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:46 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffff1f0000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:46 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x51de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1924.371640] FAULT_INJECTION: forcing a failure. [ 1924.371640] name failslab, interval 1, probability 0, space 0, times 0 [ 1924.421896] CPU: 0 PID: 9129 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1924.429146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1924.438526] Call Trace: [ 1924.441121] dump_stack+0x1c4/0x2b4 [ 1924.444744] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1924.449933] should_fail.cold.4+0xa/0x17 [ 1924.453991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1924.459101] ? lock_downgrade+0x900/0x900 [ 1924.463242] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1924.469028] ? kasan_check_read+0x11/0x20 [ 1924.473170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 1924.478431] ? rcu_bh_qs+0xc0/0xc0 [ 1924.481957] ? unwind_dump+0x190/0x190 [ 1924.485838] ? is_bpf_text_address+0xd3/0x170 [ 1924.490324] ? kernel_text_address+0x79/0xf0 [ 1924.494738] ? fs_reclaim_acquire+0x20/0x20 [ 1924.499062] ? lock_downgrade+0x900/0x900 [ 1924.503205] ? ___might_sleep+0x1ed/0x300 [ 1924.507341] ? arch_local_save_flags+0x40/0x40 [ 1924.511917] __should_failslab+0x124/0x180 [ 1924.516141] should_failslab+0x9/0x14 [ 1924.519928] kmem_cache_alloc_trace+0x2d7/0x750 [ 1924.524590] ? trace_hardirqs_off+0xb8/0x310 [ 1924.528997] ? kasan_check_read+0x11/0x20 [ 1924.533222] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1924.537621] ? trace_hardirqs_on+0x310/0x310 [ 1924.542021] p9_fid_create+0x49/0x2b0 [ 1924.545819] p9_client_attach+0xbc/0x860 [ 1924.549887] ? debug_check_no_obj_freed+0x305/0x58d [ 1924.554914] ? p9_client_walk+0xb30/0xb30 [ 1924.559057] ? check_preemption_disabled+0x48/0x200 [ 1924.564086] ? trace_hardirqs_on+0xbd/0x310 [ 1924.568397] ? v9fs_session_init+0xd46/0x1a70 [ 1924.572882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1924.578322] ? __kasan_slab_free+0x119/0x150 [ 1924.582724] v9fs_session_init+0xf4d/0x1a70 [ 1924.587042] ? v9fs_session_init+0xf4d/0x1a70 [ 1924.591543] ? v9fs_show_options+0x7e0/0x7e0 [ 1924.595939] ? lock_downgrade+0x900/0x900 [ 1924.600082] ? ___might_sleep+0x1ed/0x300 [ 1924.604221] ? trace_hardirqs_on+0xbd/0x310 [ 1924.608531] ? v9fs_mount+0x62/0x8f0 [ 1924.612234] ? kasan_unpoison_shadow+0x35/0x50 [ 1924.616805] ? kasan_kmalloc+0xc7/0xe0 [ 1924.620684] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1924.625515] ? free_pages+0x44/0x50 [ 1924.629135] v9fs_mount+0x7d/0x8f0 [ 1924.632666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1924.638197] mount_fs+0xae/0x31d [ 1924.641565] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1924.646145] ? may_umount+0xb0/0xb0 [ 1924.649766] ? _raw_read_unlock+0x2c/0x50 [ 1924.653903] ? __get_fs_type+0x97/0xc0 [ 1924.657780] do_mount+0x581/0x31f0 [ 1924.661340] ? copy_mount_string+0x40/0x40 [ 1924.665568] ? kasan_unpoison_shadow+0x35/0x50 [ 1924.670135] ? kasan_kmalloc+0xc7/0xe0 [ 1924.674015] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1924.678861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1924.684386] ? copy_mount_options+0x288/0x380 [ 1924.688886] ksys_mount+0x12d/0x140 [ 1924.692502] __x64_sys_mount+0xbe/0x150 [ 1924.696468] do_syscall_64+0x1b9/0x820 [ 1924.700343] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1924.705709] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1924.710630] ? trace_hardirqs_on_caller+0x310/0x310 [ 1924.715639] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1924.720651] ? recalc_sigpending_tsk+0x180/0x180 [ 1924.725398] ? kasan_check_write+0x14/0x20 [ 1924.729628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1924.734467] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1924.739646] RIP: 0033:0x457579 [ 1924.742834] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1924.761729] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 03:33:47 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="140000000000e2d9f321fb8c66c9ec8e00000000000000000000040000"], 0xfdc4}}, 0x0) getuid() setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) [ 1924.769429] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1924.776688] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1924.783943] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1924.791212] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1924.798468] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:47 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x1fffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1924.822473] FAT-fs (loop3): bogus number of reserved sectors 03:33:47 executing program 1 (fault-call:6 fault-nth:29): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:47 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) ioctl$TIOCGETD(r1, 0x5424, &(0x7f0000000080)) r2 = accept$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000000140)=0x14) sendmmsg(r0, &(0x7f0000005080)=[{{&(0x7f0000000380)=@ll={0x11, 0xc, r3, 0x1, 0x0, 0x6, @local}, 0x80, &(0x7f0000000280)=[{&(0x7f0000000200)="d2f9b4d84fc81a6c80c16af682acdffba8e0e18791cc93990fb5c672fcd6e0eda0de6316", 0x24}], 0x1, 0x0, 0x0, 0x24000800}, 0x2}, {{&(0x7f00000002c0)=@pptp={0x18, 0x2, {0x3, @multicast1}}, 0x80, &(0x7f00000003c0), 0x0, &(0x7f0000001440)=[{0x58, 0x109, 0x8, "2e15367a44e278040c20f7a0ad3e58bf23f34269939d996972d7349b8190db34b26d92b4f3e8450b750f9f0fa51e7465cc54bf524c37aaa4ef40615ba77849ed3f"}, {0xb0, 0x0, 0x20, "5c5a8a262770198c1c143b0b7fc9f2d8c154e5eb2c60fa250e9bd67dd222d0abe4b43c8916fd1837d2339c78c462c6b9a10e215baff32b7f264ab285fef0d9d9dc2dc71ec231602209852dd4910d8a66f9b94a5f22aa197e343117b9aa7076345ee5598d2c7a8baa80da163116ee89d9b488e9e934cccb1b7510bf4d4e2b53ca44e65a4d37faa99f70b3d2f6cf19dc570dac013ef1ac51a1be2a"}, {0xf8, 0x10c, 0x0, "fef69ba01ee41a501b11dd5eef01a053d0af1b49cf1fba9c4e0919b0decd356f9b82cbf5ecd033b79c3f59bc73dda595c4d3fdefcfd05d8a28b2a30db28026dad1dab48d72d7eb6bc63a3e1d7f7098c551d1ea8f2e303980a3960a497c7b2f5ffdc9e352813dcca627563d4c1ab63893a04742248be1bdbe65166e20563367dc726dad5fd1b2b52f03d4647a603c02e1de770c7700b1a5aabcc8d8874980baeb4f1e25aecea4f843665e4db9f3465def321444dd401eb1660f5c23da1dff086e10d11e81fa6cd5107bcf03db376e3bfe57ae9de395bb31fa41682d0f884f2578f4006f"}, {0xa0, 0x11d, 0x1, "872a51ab4a21d410b07c27d2814bf1391226948d3c73b1fe7f7e6be98cdf5b11e629afd03ac38ef1328ceb5f87c7433513edecc7def70be5efea8c8451a37df6a040e603d2cfdb4a4b5413c383de0d3175580676cadf21a0179c7b6373652f411650ed9e3fac6ab56caebac9c3a5cda1cab8cc5abf17a5f420b8364464506fecfe708d12ff5d9664b6d1b2484dddf9"}, {0x20, 0x1ff, 0x40, "a1e60f9c8fe0ff6152"}, {0x78, 0x112, 0x1, "ae33365ec3375c499afd2a332fc1caa72a01717b116f2cd50039a4e8154ed18317a22ed0fa5459bce5d94ffc9b72e5f49b71cc448f964252e29ea0afc0ebaac51554c7d4b5c958a9bea32fe7b096718127e82bee4b94d33e607e6938ce1656a5ec820c6c2a593d85"}, {0x1010, 0x88, 0x12a4, 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{&(0x7f0000003800)="56b754498df1885498ce5d41c5882d79078242d4ce376bbd714e8343651a4eccf363cc681f19fb23827fe8faf1c8fd227480436c8fd30d73096b388f57eff4c2cf519932693067902591e4ed8ae4bd102cbb7c577323bb447cbc54cb7e0266e963702247ce9ac3331591ad42", 0x6c}, {&(0x7f00000013c0)="5e727e52e124c31e", 0x8}, {&(0x7f0000003880)="7cda769c0fbf661e769b54dd7f40", 0xe}, {&(0x7f00000038c0)="5c92572acb4b19c12d088dda4d931f76f1419da8b785d7be3288d4503a6172b438c23396bc4d9a0eb81f94b791f71b5978eab5668472167076d47dd0dbb376e7be4adea8ac37d45b3b8917f134a507aea103e44da59e8db33d2ebdfff08ec145bd35c950ee3a23b86c67326f73e50e6acfb829eacfdc208d354da3ce842e1d6cf6a82b8ca68b5b66e363bf0fa546b4d05fd8a00b18119f8ea68514ab08bd", 0x9e}], 0x7, &(0x7f0000003a00), 0x0, 0x44000}, 0x100000001}, {{&(0x7f0000003d00)=@pppol2tpv3in6={0x18, 0x1, {0x0, r1, 0x0, 0x2, 0x3, 0x3, {0xa, 0x4e22, 0xfff, @remote, 0x89}}}, 0x80, 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", 0x1000}, {&(0x7f0000004d80)="10df3b669b5da62f24a1e7596a371db041174c6bbb7db97973963589fe0df367bd0ca9421377e20c2b1676d9db6df0009549a07478f1bcbf01c7cadc0a5e2e5d657e8a77c6551ec1294ce991", 0x4c}, {&(0x7f0000004e00)="625789f3001c9ae8e676817c94e65d37c1e654aa5871efa5d5cc", 0x1a}, {&(0x7f0000004e40)="bf79d61ce881130529cb8e7caf4750b7a1349b4491f49a74827e7300153abda2020984389a42d904c1bdc8da8ce09ae0fabaa63cc8a5dc1741b12a476eaf3c7025e7b2bfd2f40e78203e2d800430994025e83499e8424843496e71bb275f5f4d27dba236b1b46456f866e529bb3ac1fa968b05d962ed0606311778945daa9624fc6181d865b1943ec7641f5d11bedcdbbde795f66d92b11246c3d0755e4026178ee1677bd4e4ee4ae7a613350a030f58394278eb1ea6c51377f9d8f431ff06ce0514f9e65ac159639ce95efa5e0a49ecac", 0xd1}, {&(0x7f0000004f40)="088f0fef29af6ac9ed4d32a773da1e6fee70ef854354ab4b9f739d15664c90eaf32f6f7029f13e5c1cb27c4b749d5ee1ea02b4cddcb205a383461e7bc800017163195a495647cce41c294a736905e7a17efb51c8938468ec9dd6d1db33c6fccd21c00dd557853df059f149ffee4c76820d82686473b15bee327433ed702f5d9d0f659155997c77704805add6290c126b80ec", 0x92}], 0x5, 0x0, 0x0, 0x800}, 0xff}], 0x7, 0x2) [ 1924.867422] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:47 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0xffffffffa0038000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:47 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x20000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1924.932957] FAT-fs (loop3): bogus number of reserved sectors [ 1924.938897] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1924.976696] overlayfs: filesystem on './file0' not supported as upperdir [ 1925.002585] FAULT_INJECTION: forcing a failure. [ 1925.002585] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1925.014444] CPU: 0 PID: 9169 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1925.021643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1925.031024] Call Trace: [ 1925.033635] dump_stack+0x1c4/0x2b4 [ 1925.037303] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1925.042950] ? kasan_slab_alloc+0x12/0x20 [ 1925.047131] should_fail.cold.4+0xa/0x17 [ 1925.051205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1925.056333] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1925.061357] ? radix_tree_extend+0x564/0x660 [ 1925.061381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1925.071305] ? radix_tree_descend+0x13c/0x2e0 [ 1925.071328] ? plist_requeue+0x620/0x620 [ 1925.079873] ? __account_cfs_rq_runtime+0x790/0x790 [ 1925.079894] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1925.090425] ? delete_node+0x30e/0xd20 [ 1925.094334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.099888] ? idr_destroy+0x1c0/0x1c0 [ 1925.103803] ? replace_slot+0x151/0x520 [ 1925.107804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.113361] ? should_fail+0x22d/0xd01 [ 1925.117278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1925.122397] ? debug_smp_processor_id+0x1c/0x20 [ 1925.127077] ? perf_trace_lock_acquire+0x15b/0x800 [ 1925.132012] __alloc_pages_nodemask+0x34b/0xde0 [ 1925.136676] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1925.141730] ? __radix_tree_replace+0x258/0x3c0 [ 1925.146401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1925.152040] ? node_tag_clear+0xc2/0x1c0 [ 1925.156094] ? radix_tree_iter_tag_clear+0x97/0xd0 [ 1925.161013] ? radix_tree_iter_replace+0x4c/0x60 [ 1925.165757] ? idr_alloc_u32+0x235/0x3f0 [ 1925.169808] ? ___might_sleep+0x1ed/0x300 [ 1925.173943] ? trace_hardirqs_off+0xb8/0x310 [ 1925.178342] cache_grow_begin+0x91/0x8c0 [ 1925.182397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1925.187952] ? check_preemption_disabled+0x48/0x200 [ 1925.192984] __kmalloc+0x68e/0x760 [ 1925.196520] ? p9_fcall_alloc+0x1e/0x90 [ 1925.200484] p9_fcall_alloc+0x1e/0x90 [ 1925.204328] p9_client_prepare_req.part.8+0x887/0xc30 [ 1925.209512] ? __kernel_text_address+0xd/0x40 [ 1925.214008] ? unwind_get_return_address+0x61/0xa0 [ 1925.218928] ? p9_free_req.isra.7+0x140/0x140 [ 1925.223409] ? idr_get_free+0xa83/0xec0 [ 1925.227388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1925.232920] ? replace_slot+0x151/0x520 [ 1925.236886] p9_client_rpc+0x1c2/0x1480 [ 1925.240858] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1925.246212] ? is_bpf_text_address+0xd3/0x170 [ 1925.250699] ? __radix_tree_replace+0x258/0x3c0 [ 1925.255356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.260899] ? node_tag_clear+0xc2/0x1c0 [ 1925.264957] ? p9_fid_create+0x1e2/0x2b0 [ 1925.269061] ? lock_downgrade+0x900/0x900 [ 1925.273227] ? idr_alloc_u32+0x235/0x3f0 [ 1925.277284] ? trace_hardirqs_on+0xbd/0x310 [ 1925.281610] ? kasan_check_read+0x11/0x20 [ 1925.285753] ? p9_fid_create+0x1e2/0x2b0 [ 1925.289814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1925.295265] ? kasan_check_write+0x14/0x20 [ 1925.299496] ? do_raw_spin_lock+0xc1/0x200 [ 1925.303729] p9_client_attach+0x18c/0x860 [ 1925.307873] ? debug_check_no_obj_freed+0x305/0x58d [ 1925.312881] ? p9_client_walk+0xb30/0xb30 [ 1925.317017] ? check_preemption_disabled+0x48/0x200 [ 1925.322023] ? trace_hardirqs_on+0xbd/0x310 [ 1925.326335] ? v9fs_session_init+0xd46/0x1a70 [ 1925.330817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1925.336255] ? __kasan_slab_free+0x119/0x150 [ 1925.340662] v9fs_session_init+0xf4d/0x1a70 [ 1925.344978] ? v9fs_session_init+0xf4d/0x1a70 [ 1925.349484] ? v9fs_show_options+0x7e0/0x7e0 [ 1925.353881] ? lock_downgrade+0x900/0x900 [ 1925.358021] ? ___might_sleep+0x1ed/0x300 [ 1925.362170] ? trace_hardirqs_on+0xbd/0x310 [ 1925.366481] ? v9fs_mount+0x62/0x8f0 [ 1925.370187] ? kasan_unpoison_shadow+0x35/0x50 [ 1925.374758] ? kasan_kmalloc+0xc7/0xe0 [ 1925.378643] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1925.383490] ? free_pages+0x44/0x50 [ 1925.387137] v9fs_mount+0x7d/0x8f0 [ 1925.390674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.396220] mount_fs+0xae/0x31d [ 1925.399581] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1925.404153] ? may_umount+0xb0/0xb0 [ 1925.407776] ? _raw_read_unlock+0x2c/0x50 [ 1925.411920] ? __get_fs_type+0x97/0xc0 [ 1925.415794] do_mount+0x581/0x31f0 [ 1925.419323] ? copy_mount_string+0x40/0x40 [ 1925.423547] ? kasan_unpoison_shadow+0x35/0x50 [ 1925.428117] ? kasan_kmalloc+0xc7/0xe0 [ 1925.432103] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1925.436938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.442470] ? copy_mount_options+0x288/0x380 [ 1925.446964] ksys_mount+0x12d/0x140 [ 1925.450594] __x64_sys_mount+0xbe/0x150 [ 1925.454557] do_syscall_64+0x1b9/0x820 [ 1925.458429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1925.463784] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1925.468704] ? trace_hardirqs_on_caller+0x310/0x310 [ 1925.473721] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1925.478733] ? recalc_sigpending_tsk+0x180/0x180 [ 1925.483480] ? kasan_check_write+0x14/0x20 [ 1925.487711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1925.492564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1925.497753] RIP: 0033:0x457579 [ 1925.500941] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1925.519839] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1925.527543] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1925.534799] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1925.542068] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1925.549333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1925.556588] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1925.573755] FS-Cache: Duplicate cookie detected [ 1925.578509] FS-Cache: O-cookie c=00000000cba675a1 [p=0000000059f7d46e fl=222 nc=0 na=1] [ 1925.586716] FS-Cache: O-cookie d=00000000f92b38dd n=000000005ca34ca5 [ 1925.586723] FS-Cache: O-key=[60] '47504c216370757365746d643573756d706f7369785f61636c5f6163636573732d6c6f246d696d655f747970652173656c696e75785e2f776c616e30' [ 1925.607749] FS-Cache: N-cookie c=000000004abf0768 [p=0000000059f7d46e fl=2 nc=0 na=1] [ 1925.607763] FS-Cache: N-cookie d=00000000f92b38dd n=000000005b2f2535 03:33:48 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x3f00}}, 0x24, 0x0) 03:33:48 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe4ffffff00000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:48 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x900, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:48 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="1400000000000000d2272e4c29d700"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:48 executing program 1 (fault-call:6 fault-nth:30): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1925.622479] FS-Cache: N-key=[60] '47504c216370757365746d643573756d706f7369785f61636c5f6163636573732d6c6f246d696d655f747970652173656c696e75785e2f776c616e30' 03:33:48 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xa000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:48 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x5, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:48 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt(r1, 0x6, 0xd740000000000000, &(0x7f0000000140)=""/187, &(0x7f0000000080)=0xbb) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) r2 = gettid() r3 = creat(&(0x7f00000005c0)='./file0\x00', 0x1b3) perf_event_open(&(0x7f0000000540)={0x1, 0x70, 0x7, 0x2, 0x8, 0x1000, 0x0, 0x8, 0x1000, 0xf, 0x7fffffff, 0x7, 0x5700000000000, 0x100, 0x0, 0x40, 0x6, 0x20, 0x5, 0x7, 0x2, 0x4, 0x4, 0x3f, 0x0, 0x100000001, 0x8, 0xfd, 0x2, 0x101, 0x0, 0x1, 0x2eb, 0x24e, 0x2cfa, 0x6, 0x7, 0x3, 0x0, 0x2225, 0x1, @perf_bp={&(0x7f0000000500), 0x7}, 0x2, 0xe3c6, 0x200, 0x0, 0xa15, 0x2, 0x8}, r2, 0xc, r3, 0x1) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r4 = memfd_create(&(0x7f00000000c0)='\x00', 0x1) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffff9c, &(0x7f0000000480)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000200)={0xffffffffffffffff}, 0x13f, 0x1}}, 0x20) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r4, &(0x7f00000004c0)={0x5, 0x10, 0xfa00, {&(0x7f0000000280), r5}}, 0x18) [ 1925.780698] FAULT_INJECTION: forcing a failure. [ 1925.780698] name failslab, interval 1, probability 0, space 0, times 0 [ 1925.791969] CPU: 0 PID: 9196 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1925.799169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1925.808630] Call Trace: [ 1925.811247] dump_stack+0x1c4/0x2b4 [ 1925.814903] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1925.820110] ? update_curr+0x4ec/0xbe0 [ 1925.824013] should_fail.cold.4+0xa/0x17 [ 1925.828102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1925.833206] ? debug_smp_processor_id+0x1c/0x20 [ 1925.837868] ? perf_trace_lock_acquire+0x15b/0x800 [ 1925.842790] ? select_task_rq_fair+0x34f0/0x34f0 [ 1925.847561] ? mark_held_locks+0x130/0x130 [ 1925.851799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.857331] ? __perf_event_task_sched_in+0x2a9/0xb60 [ 1925.862531] ? trace_hardirqs_on+0x310/0x310 [ 1925.866946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.872475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.878009] ? perf_trace_lock_acquire+0x15b/0x800 [ 1925.882944] ? finish_task_switch+0x1f5/0x900 [ 1925.887445] __should_failslab+0x124/0x180 [ 1925.891672] should_failslab+0x9/0x14 [ 1925.895462] kmem_cache_alloc+0x47/0x730 [ 1925.899511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.905037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.910568] radix_tree_node_alloc.constprop.18+0x1f7/0x370 [ 1925.916281] radix_tree_extend+0x294/0x660 [ 1925.920509] ? radix_tree_node_alloc.constprop.18+0x370/0x370 [ 1925.926379] ? lock_downgrade+0x900/0x900 [ 1925.930521] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 1925.936312] ? kasan_check_read+0x11/0x20 [ 1925.940462] idr_get_free+0x83d/0xec0 [ 1925.944258] ? is_bpf_text_address+0xd3/0x170 [ 1925.948752] ? ida_pre_get+0x130/0x130 [ 1925.952636] ? debug_smp_processor_id+0x1c/0x20 [ 1925.957295] ? perf_trace_lock_acquire+0x15b/0x800 [ 1925.962225] ? perf_trace_lock+0x7a0/0x7a0 [ 1925.966456] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1925.971468] ? mark_held_locks+0x130/0x130 [ 1925.975697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.981230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1925.986762] ? check_preemption_disabled+0x48/0x200 [ 1925.991792] idr_alloc_u32+0x201/0x3f0 [ 1925.995680] ? __fprop_inc_percpu_max+0x2d0/0x2d0 [ 1926.000516] ? p9_idpool_get+0x23/0x90 [ 1926.004412] idr_alloc+0x111/0x1b0 [ 1926.007952] ? idr_alloc_u32+0x3f0/0x3f0 [ 1926.012011] ? do_raw_spin_lock+0xc1/0x200 [ 1926.016257] p9_idpool_get+0x3d/0x90 [ 1926.019966] p9_client_prepare_req.part.8+0xec/0xc30 [ 1926.025066] ? __kernel_text_address+0xd/0x40 [ 1926.029557] ? unwind_get_return_address+0x61/0xa0 [ 1926.034484] ? p9_free_req.isra.7+0x140/0x140 [ 1926.038968] ? idr_get_free+0xa83/0xec0 [ 1926.042940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1926.048463] ? replace_slot+0x151/0x520 [ 1926.052431] p9_client_rpc+0x1c2/0x1480 [ 1926.056400] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1926.061767] ? is_bpf_text_address+0xd3/0x170 [ 1926.066256] ? __radix_tree_replace+0x258/0x3c0 [ 1926.070929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1926.076460] ? node_tag_clear+0xc2/0x1c0 [ 1926.080516] ? p9_fid_create+0x1e2/0x2b0 [ 1926.084567] ? lock_downgrade+0x900/0x900 [ 1926.088706] ? idr_alloc_u32+0x235/0x3f0 [ 1926.092760] ? trace_hardirqs_on+0xbd/0x310 [ 1926.097069] ? kasan_check_read+0x11/0x20 [ 1926.101209] ? p9_fid_create+0x1e2/0x2b0 [ 1926.105264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1926.110713] ? kasan_check_write+0x14/0x20 [ 1926.114945] ? do_raw_spin_lock+0xc1/0x200 [ 1926.119180] p9_client_attach+0x18c/0x860 [ 1926.123326] ? debug_check_no_obj_freed+0x305/0x58d [ 1926.128361] ? p9_client_walk+0xb30/0xb30 [ 1926.132506] ? check_preemption_disabled+0x48/0x200 [ 1926.137521] ? trace_hardirqs_on+0xbd/0x310 [ 1926.141835] ? v9fs_session_init+0xd46/0x1a70 [ 1926.146324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1926.151773] ? __kasan_slab_free+0x119/0x150 [ 1926.156184] v9fs_session_init+0xf4d/0x1a70 [ 1926.160500] ? v9fs_session_init+0xf4d/0x1a70 [ 1926.165009] ? v9fs_show_options+0x7e0/0x7e0 [ 1926.169411] ? lock_downgrade+0x900/0x900 [ 1926.173559] ? ___might_sleep+0x1ed/0x300 [ 1926.177706] ? trace_hardirqs_on+0xbd/0x310 [ 1926.182136] ? v9fs_mount+0x62/0x8f0 [ 1926.185845] ? kasan_unpoison_shadow+0x35/0x50 [ 1926.190416] ? kasan_kmalloc+0xc7/0xe0 [ 1926.194295] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1926.199130] ? free_pages+0x44/0x50 [ 1926.202751] v9fs_mount+0x7d/0x8f0 [ 1926.206280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1926.212198] mount_fs+0xae/0x31d [ 1926.215567] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1926.220139] ? may_umount+0xb0/0xb0 [ 1926.223754] ? _raw_read_unlock+0x2c/0x50 [ 1926.227896] ? __get_fs_type+0x97/0xc0 [ 1926.231792] do_mount+0x581/0x31f0 [ 1926.235320] ? kasan_check_read+0x11/0x20 [ 1926.239456] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1926.243852] ? copy_mount_string+0x40/0x40 [ 1926.248080] ? kasan_check_write+0x14/0x20 [ 1926.252302] ? kasan_unpoison_shadow+0x35/0x50 [ 1926.256873] ? kasan_kmalloc+0xc7/0xe0 [ 1926.260763] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1926.265607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1926.271135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1926.276659] ? copy_mount_options+0x288/0x380 [ 1926.281158] ksys_mount+0x12d/0x140 [ 1926.284776] __x64_sys_mount+0xbe/0x150 [ 1926.288742] do_syscall_64+0x1b9/0x820 [ 1926.292616] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1926.297982] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1926.302906] ? trace_hardirqs_on_caller+0x310/0x310 [ 1926.307913] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1926.312932] ? recalc_sigpending_tsk+0x180/0x180 [ 1926.317672] ? kasan_check_write+0x14/0x20 [ 1926.321909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1926.326760] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1926.331934] RIP: 0033:0x457579 [ 1926.335119] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1926.354004] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1926.361702] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1926.368957] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1926.376216] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 03:33:48 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x70de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:48 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x200000000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1926.383472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1926.390729] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1926.400684] 9pnet: Insufficient options for proto=fd 03:33:48 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xf5ffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1926.428435] FAT-fs (loop3): bogus number of reserved sectors [ 1926.452660] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:48 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000140), 0x0, 0x0) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x420000, 0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) [ 1926.532244] FAT-fs (loop3): bogus number of reserved sectors [ 1926.590996] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1926.592068] overlayfs: filesystem on './file0' not supported as upperdir 03:33:49 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0x1400}}, 0x24, 0x0) 03:33:49 executing program 1 (fault-call:6 fault-nth:31): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:49 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x19030000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:49 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x39de0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:49 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x7a0c0000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:49 executing program 2: socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)=ANY=[@ANYBLOB="140000c3c86388d2e8b2b0000000000000000000"], 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) listxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)=""/186, 0xba) ioctl$EXT4_IOC_GROUP_EXTEND(r0, 0x40086607, &(0x7f0000000080)=0xa5) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:49 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x8003a0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1926.714520] FAULT_INJECTION: forcing a failure. [ 1926.714520] name failslab, interval 1, probability 0, space 0, times 0 03:33:49 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xffffffffa0038000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:49 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7ede0000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) [ 1926.759300] CPU: 0 PID: 9247 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1926.766543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1926.775907] Call Trace: [ 1926.778509] dump_stack+0x1c4/0x2b4 [ 1926.782154] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1926.787365] ? vprintk_func+0x85/0x181 [ 1926.791269] should_fail.cold.4+0xa/0x17 [ 1926.795335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1926.795349] ? debug_smp_processor_id+0x1c/0x20 [ 1926.795364] ? perf_trace_lock_acquire+0x15b/0x800 [ 1926.795388] ? __radix_tree_replace+0x258/0x3c0 [ 1926.795412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1926.805163] ? node_tag_clear+0xc2/0x1c0 [ 1926.805181] ? radix_tree_iter_tag_clear+0x97/0xd0 [ 1926.805193] ? radix_tree_iter_replace+0x4c/0x60 [ 1926.805206] ? idr_alloc_u32+0x235/0x3f0 [ 1926.805225] ? ___might_sleep+0x1ed/0x300 [ 1926.805238] ? arch_local_save_flags+0x40/0x40 [ 1926.805252] ? lock_downgrade+0x900/0x900 [ 1926.805274] __should_failslab+0x124/0x180 [ 1926.818569] FS-Cache: Duplicate cookie detected [ 1926.820389] should_failslab+0x9/0x14 [ 1926.824511] FS-Cache: O-cookie c=0000000057c6323c [p=0000000059f7d46e fl=222 nc=0 na=1] [ 1926.829357] __kmalloc+0x2d4/0x760 [ 1926.834145] FS-Cache: O-cookie d=00000000f92b38dd n=00000000496d75a2 [ 1926.838167] ? do_raw_spin_lock+0xc1/0x200 [ 1926.842285] FS-Cache: O-key=[60] ' [ 1926.846865] ? p9_fcall_alloc+0x1e/0x90 [ 1926.846881] p9_fcall_alloc+0x1e/0x90 [ 1926.846898] p9_client_prepare_req.part.8+0x887/0xc30 [ 1926.846916] ? __kernel_text_address+0xd/0x40 [ 1926.851035] 47 [ 1926.855254] ? unwind_get_return_address+0x61/0xa0 [ 1926.855275] ? p9_free_req.isra.7+0x140/0x140 [ 1926.855293] ? idr_get_free+0xa83/0xec0 [ 1926.859951] 50 [ 1926.863741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1926.863753] ? replace_slot+0x151/0x520 [ 1926.863772] p9_client_rpc+0x1c2/0x1480 [ 1926.863798] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1926.871907] 4c [ 1926.875434] ? is_bpf_text_address+0xd3/0x170 [ 1926.875455] ? __radix_tree_replace+0x258/0x3c0 [ 1926.875470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1926.875486] ? node_tag_clear+0xc2/0x1c0 [ 1926.881947] 21 [ 1926.886171] ? p9_fid_create+0x1e2/0x2b0 [ 1926.886186] ? lock_downgrade+0x900/0x900 [ 1926.886201] ? idr_alloc_u32+0x235/0x3f0 [ 1926.889709] 63 [ 1926.893673] ? trace_hardirqs_on+0xbd/0x310 [ 1926.893684] ? kasan_check_read+0x11/0x20 [ 1926.893701] ? p9_fid_create+0x1e2/0x2b0 [ 1926.897486] 70 [ 1926.902663] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1926.902678] ? kasan_check_write+0x14/0x20 [ 1926.902696] ? do_raw_spin_lock+0xc1/0x200 [ 1926.907159] 75 [ 1926.908959] p9_client_attach+0x18c/0x860 [ 1926.913875] 73 [ 1926.918342] ? debug_check_no_obj_freed+0x305/0x58d [ 1926.922289] 65 [ 1926.924077] ? p9_client_walk+0xb30/0xb30 [ 1926.924092] ? check_preemption_disabled+0x48/0x200 [ 1926.924107] ? trace_hardirqs_on+0xbd/0x310 [ 1926.924126] ? v9fs_session_init+0xd46/0x1a70 [ 1926.929630] 74 [ 1926.933593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1926.933609] ? __kasan_slab_free+0x119/0x150 [ 1926.933632] v9fs_session_init+0xf4d/0x1a70 [ 1926.937659] 6d [ 1926.943008] ? v9fs_session_init+0xf4d/0x1a70 [ 1926.943038] ? v9fs_show_options+0x7e0/0x7e0 [ 1926.944809] 64 [ 1926.949315] ? lock_downgrade+0x900/0x900 [ 1926.953976] 35 [ 1926.959486] ? ___might_sleep+0x1ed/0x300 [ 1926.963532] 73 [ 1926.965307] ? trace_hardirqs_on+0xbd/0x310 [ 1926.969351] 75 [ 1926.973483] ? v9fs_mount+0x62/0x8f0 [ 1926.973498] ? kasan_unpoison_shadow+0x35/0x50 [ 1926.973512] ? kasan_kmalloc+0xc7/0xe0 [ 1926.977545] 6d [ 1926.979342] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1926.983677] 70 [ 1926.987818] ? free_pages+0x44/0x50 [ 1926.991860] 6f [ 1926.993657] v9fs_mount+0x7d/0x8f0 [ 1926.993679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1926.993698] mount_fs+0xae/0x31d [ 1926.999119] 73 [ 1927.003363] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1927.003377] ? may_umount+0xb0/0xb0 [ 1927.003390] ? _raw_read_unlock+0x2c/0x50 [ 1927.003408] ? __get_fs_type+0x97/0xc0 [ 1927.007612] 69 [ 1927.009406] do_mount+0x581/0x31f0 [ 1927.013543] 78 [ 1927.015312] ? kasan_check_read+0x11/0x20 [ 1927.020308] 5f [ 1927.022102] ? do_raw_spin_unlock+0xa7/0x2f0 03:33:49 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) lstat(&(0x7f0000000540)='./file0\x00', &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$hfs(&(0x7f0000000080)='hfs\x00', &(0x7f00000000c0)='./file0\x00', 0x25f751fc, 0x6, &(0x7f0000000480)=[{&(0x7f0000000140)="a156951d13aabc123adfaad381877700de4b45b5cbadfc464b59d006480fde07", 0x20, 0xa4}, {&(0x7f0000000180)="c3821b074e53f2ac39372fec47012f8c692496f354dd206f913fc3bd240a57dc57daa09d39459d07592c87c831f84aace20bd53cdf092cb4872ba59a533293f053cd67c07e6ee84ddb28adc006fc01af2e153aa5231188f9e4f7ccb132b43e8387066d3069c57be95c06f412fe253da7a2d04daffcd5978ccf87cec70afd9664c937cba4af133bb34f48517a87df", 0x8e, 0x5}, {&(0x7f0000000280)="45ebf09cb2dcb1ed78e455692556400fa469220b1f8c93f8c7dfd2259ea0a730fb7c9d72b1997d0d3d827b8ad129788a786289aef091c980b75a55eadcd1ed2eb871f0b672d0616d9af3b6f76e", 0x4d, 0x5}, {&(0x7f0000000300)="53b86455a39da4ae002e957a15869d30383f2448e24be45a61efc4af080b802e0e145eb53ee8ba555bf56c6cee41c48f85a60bb4da2293", 0x37}, {&(0x7f0000000340)="eee2735530948445f45e28d9b5d7efb1fbb92892b203393c27a3a94001cf4c6a785d1d21490fee214045212f6f699e2a3d5268c01a8cd7d5ebe866a237d6173474aaf71f223ab06a9d401874026e8eb1a0d5ab2e75055006c6a461d203a144df2c721bdfed1e86", 0x67, 0x7}, {&(0x7f00000003c0)="1de71a9ca133d5b5e3fc68a5c514aeef27e8546bfe84b2a7791e391fe071e0b81333e27dd3148b06abb32c79f9a75b5f2e52d47b326ad903e4504c7c309a36dca1f8be29f15cee7a2cc4cdf4afa2afebfc5a56125f68e8b93c4c8db37c735944cbff2002149b22cabb083857491bda0f0c61e4454776ddf4e0779894a65b4f6cb9c3b7089ef87e70dca46a61b79192", 0x8f, 0xfff}], 0x880080, &(0x7f0000000b80)={[{@part={'part', 0x3d, 0x10001}}, {@iocharset={'iocharset', 0x3d, 'cp865'}}, {@codepage={'codepage', 0x3d, 'cp863'}}], [{@dont_appraise='dont_appraise'}, {@fowner_lt={'fowner<', r2}}, {@mask={'mask', 0x3d, 'MAY_EXEC'}}, {@subj_type={'subj_type', 0x3d, 'trusted.)bdev'}}]}) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) r3 = syz_open_dev$usb(&(0x7f0000000600)='/dev/bus/usb/00#/00#\x00', 0xffffffffffffffff, 0x40) setsockopt$ARPT_SO_SET_REPLACE(r3, 0x0, 0x60, &(0x7f0000000680)={'filter\x00', 0x7, 0x4, 0x480, 0x140, 0x0, 0x0, 0x398, 0x398, 0x398, 0x4, &(0x7f0000000640), {[{{@arp={@multicast1, @loopback, 0xffffffff, 0xff000000, @empty, {[0x0, 0x0, 0xff, 0xff, 0xff]}, @empty, {[0x0, 0x0, 0xff, 0xff, 0x2c1592eb241ebd82]}, 0xfff, 0x5, 0xe2, 0x3ff, 0x4, 0x9, 'veth0_to_bridge\x00', 'dummy0\x00', {0xff}, {0xff}, 0x0, 0x154}, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@local, @mac=@remote, @rand_addr=0x9, @multicast2, 0x8, 0xffffffff}}}, {{@uncond, 0xf0, 0x140}, @mangle={0x50, 'mangle\x00', 0x0, {@mac=@dev={[], 0x11}, @mac=@local, @loopback, @rand_addr, 0xa, 0xffffffff}}}, {{@uncond, 0xf0, 0x118}, @unspec=@CLASSIFY={0x28, 'CLASSIFY\x00', 0x0, {0x5}}}], {{[], 0xc0, 0xe8}, {0x28}}}}, 0x4d0) [ 1927.026237] 61 [ 1927.031234] ? copy_mount_string+0x40/0x40 [ 1927.035564] 63 [ 1927.040014] ? kasan_check_write+0x14/0x20 [ 1927.042194] 6c5f [ 1927.047654] ? kasan_unpoison_shadow+0x35/0x50 [ 1927.047665] ? kasan_kmalloc+0xc7/0xe0 [ 1927.047683] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1927.047704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.052080] 61 [ 1927.056391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1927.056403] ? copy_mount_options+0x288/0x380 [ 1927.056421] ksys_mount+0x12d/0x140 [ 1927.058193] 63 [ 1927.062674] __x64_sys_mount+0xbe/0x150 [ 1927.062691] do_syscall_64+0x1b9/0x820 [ 1927.062709] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1927.067085] 63 [ 1927.068878] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1927.073013] 65 [ 1927.074790] ? trace_hardirqs_on_caller+0x310/0x310 [ 1927.078910] 73 [ 1927.080718] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1927.085062] 73 [ 1927.086816] ? recalc_sigpending_tsk+0x180/0x180 [ 1927.090493] 2d [ 1927.095059] ? kasan_check_write+0x14/0x20 [ 1927.095079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1927.095101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1927.098957] 6c [ 1927.100745] RIP: 0033:0x457579 [ 1927.105591] 6f [ 1927.107362] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1927.110959] 24 [ 1927.112742] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1927.112757] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 03:33:49 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xb2a80a0000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:49 executing program 1 (fault-call:6 fault-nth:32): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1927.112765] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1927.112776] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1927.116291] 6d [ 1927.121818] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1927.125310] 69 [ 1927.127078] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1927.131629] 6d [ 1927.154661] 655f7479 [ 1927.160859] 70652173656c69 [ 1927.177658] 9pnet: Couldn't grow tag array [ 1927.179534] 6e75785e2f776c [ 1927.188322] 616e30' [ 1927.188348] FS-Cache: N-cookie c=0000000006381e06 [p=0000000059f7d46e fl=2 nc=0 na=1] [ 1927.188361] FS-Cache: N-cookie d=00000000f92b38dd n=00000000560e829e [ 1927.201237] FS-Cache: N-key=[60] '47504c2163 [ 1927.238255] 70757365746d64357375 [ 1927.245134] 6d [ 1927.262593] 70 [ 1927.269559] 6f7369785f61636c5f61636365 [ 1927.293576] 73732d [ 1927.310402] 6c6f246d696d655f [ 1927.325052] 74 [ 1927.350269] 79 [ 1927.374133] 70652173656c696e75785e2f776c616e30' [ 1927.411102] FAULT_INJECTION: forcing a failure. [ 1927.411102] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 1927.422965] CPU: 1 PID: 9269 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1927.430157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1927.439516] Call Trace: [ 1927.442116] dump_stack+0x1c4/0x2b4 [ 1927.445748] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1927.450943] ? kasan_slab_alloc+0x12/0x20 [ 1927.455090] should_fail.cold.4+0xa/0x17 [ 1927.459144] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1927.464236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1927.469242] ? radix_tree_extend+0x564/0x660 [ 1927.473637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.479162] ? radix_tree_descend+0x13c/0x2e0 [ 1927.483647] ? plist_requeue+0x620/0x620 [ 1927.487697] ? lock_downgrade+0x900/0x900 [ 1927.491836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1927.497382] ? delete_node+0x30e/0xd20 [ 1927.501290] ? idr_destroy+0x1c0/0x1c0 [ 1927.505169] ? replace_slot+0x151/0x520 [ 1927.509137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1927.514664] ? should_fail+0x22d/0xd01 [ 1927.518543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1927.523644] ? debug_smp_processor_id+0x1c/0x20 [ 1927.528304] ? perf_trace_lock_acquire+0x15b/0x800 [ 1927.533224] __alloc_pages_nodemask+0x34b/0xde0 [ 1927.537890] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 1927.542894] ? __radix_tree_replace+0x258/0x3c0 [ 1927.547558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.553084] ? node_tag_clear+0xc2/0x1c0 [ 1927.557141] ? radix_tree_iter_tag_clear+0x97/0xd0 [ 1927.562055] ? radix_tree_iter_replace+0x4c/0x60 [ 1927.566803] ? idr_alloc_u32+0x235/0x3f0 [ 1927.570860] ? ___might_sleep+0x1ed/0x300 [ 1927.574997] ? trace_hardirqs_off+0xb8/0x310 [ 1927.579396] cache_grow_begin+0x91/0x8c0 [ 1927.583444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.588972] ? check_preemption_disabled+0x48/0x200 [ 1927.593994] __kmalloc+0x68e/0x760 [ 1927.597529] ? p9_fcall_alloc+0x1e/0x90 [ 1927.601511] p9_fcall_alloc+0x1e/0x90 [ 1927.605307] p9_client_prepare_req.part.8+0x887/0xc30 [ 1927.610485] ? __kernel_text_address+0xd/0x40 [ 1927.614970] ? unwind_get_return_address+0x61/0xa0 [ 1927.619893] ? p9_free_req.isra.7+0x140/0x140 [ 1927.624377] ? idr_get_free+0xa83/0xec0 [ 1927.628347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.633964] ? replace_slot+0x151/0x520 [ 1927.637942] p9_client_rpc+0x1c2/0x1480 [ 1927.641924] ? p9_client_prepare_req.part.8+0xc30/0xc30 [ 1927.647288] ? is_bpf_text_address+0xd3/0x170 [ 1927.651788] ? __radix_tree_replace+0x258/0x3c0 [ 1927.656457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1927.661987] ? node_tag_clear+0xc2/0x1c0 [ 1927.666041] ? p9_fid_create+0x1e2/0x2b0 [ 1927.670099] ? lock_downgrade+0x900/0x900 [ 1927.674238] ? idr_alloc_u32+0x235/0x3f0 [ 1927.678310] ? trace_hardirqs_on+0xbd/0x310 [ 1927.682638] ? kasan_check_read+0x11/0x20 [ 1927.686781] ? p9_fid_create+0x1e2/0x2b0 [ 1927.690837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1927.696292] ? kasan_check_write+0x14/0x20 [ 1927.700523] ? do_raw_spin_lock+0xc1/0x200 [ 1927.704929] p9_client_attach+0x18c/0x860 [ 1927.709096] ? debug_check_no_obj_freed+0x305/0x58d [ 1927.714108] ? p9_client_walk+0xb30/0xb30 [ 1927.718248] ? check_preemption_disabled+0x48/0x200 [ 1927.723263] ? trace_hardirqs_on+0xbd/0x310 [ 1927.727601] ? v9fs_session_init+0xd46/0x1a70 [ 1927.732102] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1927.737902] ? __kasan_slab_free+0x119/0x150 [ 1927.742315] v9fs_session_init+0xf4d/0x1a70 [ 1927.746639] ? v9fs_session_init+0xf4d/0x1a70 [ 1927.751141] ? v9fs_show_options+0x7e0/0x7e0 [ 1927.755544] ? lock_downgrade+0x900/0x900 [ 1927.759705] ? ___might_sleep+0x1ed/0x300 [ 1927.763850] ? trace_hardirqs_on+0xbd/0x310 [ 1927.768164] ? v9fs_mount+0x62/0x8f0 [ 1927.771870] ? kasan_unpoison_shadow+0x35/0x50 [ 1927.776441] ? kasan_kmalloc+0xc7/0xe0 [ 1927.780325] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1927.785160] ? free_pages+0x44/0x50 [ 1927.788787] v9fs_mount+0x7d/0x8f0 [ 1927.792323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1927.797860] mount_fs+0xae/0x31d [ 1927.801228] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1927.805812] ? may_umount+0xb0/0xb0 [ 1927.809442] ? _raw_read_unlock+0x2c/0x50 [ 1927.813581] ? __get_fs_type+0x97/0xc0 [ 1927.817463] do_mount+0x581/0x31f0 [ 1927.820991] ? kasan_check_read+0x11/0x20 [ 1927.825132] ? do_raw_spin_unlock+0xa7/0x2f0 [ 1927.829537] ? copy_mount_string+0x40/0x40 [ 1927.833769] ? kasan_check_write+0x14/0x20 [ 1927.838011] ? kasan_unpoison_shadow+0x35/0x50 [ 1927.842587] ? kasan_kmalloc+0xc7/0xe0 [ 1927.846489] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1927.851328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1927.856867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1927.862396] ? copy_mount_options+0x288/0x380 [ 1927.866889] ksys_mount+0x12d/0x140 [ 1927.870514] __x64_sys_mount+0xbe/0x150 [ 1927.874487] do_syscall_64+0x1b9/0x820 [ 1927.878364] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1927.883733] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1927.888662] ? trace_hardirqs_on_caller+0x310/0x310 [ 1927.893676] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1927.898683] ? recalc_sigpending_tsk+0x180/0x180 [ 1927.903433] ? kasan_check_write+0x14/0x20 [ 1927.907669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1927.912512] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1927.917694] RIP: 0033:0x457579 [ 1927.920890] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1927.939806] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1927.947523] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1927.954782] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1927.962056] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1927.969316] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1927.976586] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1928.051386] FAT-fs (loop3): bogus number of reserved sectors [ 1928.063880] FAT-fs (loop3): Can't find a valid FAT filesystem 03:33:50 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="153f6234488dd25d766070") syz_mount_image$vfat(&(0x7f0000000300)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[]) mkdir(&(0x7f0000001700)='./file1\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}]}) lsetxattr$system_posix_acl(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='system.posix_acl_default\x00', &(0x7f0000000780)={{}, {0x1, 0x0, 0xfffffffffffff000}}, 0x24, 0x0) 03:33:50 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0x1000000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1928.121546] FAT-fs (loop3): bogus number of reserved sectors [ 1928.128766] FAT-fs (loop3): Can't find a valid FAT filesystem [ 1928.149291] overlayfs: filesystem on './file0' not supported as upperdir 03:33:50 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x8003a0ffffffff, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:50 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5dde000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:50 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f00000000c0)={0x0, 0x3300000000000000}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f0000000180)=@sack_info={r2, 0x100000000, 0x6}, 0xc) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000200)=0x0) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f0000000280)={0x56}) r4 = syz_open_dev$vcsa(&(0x7f0000000080)='/dev/vcsa#\x00', 0x5, 0x1) ioctl$TUNSETSNDBUF(r4, 0x400454d4, &(0x7f00000001c0)=0x6) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:50 executing program 1 (fault-call:6 fault-nth:33): pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) 03:33:50 executing program 5: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a0000002901000004000000e6ff00001d0000000000000000000000000000000007002e2f66696c6530"], 0x2a) write$P9_RGETATTR(r1, &(0x7f0000000200)={0xa0, 0x19, 0x1}, 0xa0) mount$9p_fd(0x5000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1928.250388] FAULT_INJECTION: forcing a failure. [ 1928.250388] name failslab, interval 1, probability 0, space 0, times 0 [ 1928.285309] CPU: 0 PID: 9308 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1928.292547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1928.292552] Call Trace: [ 1928.292578] dump_stack+0x1c4/0x2b4 [ 1928.292597] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1928.292622] should_fail.cold.4+0xa/0x17 [ 1928.292639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 1928.292657] ? save_stack+0xa9/0xd0 [ 1928.292671] ? save_stack+0x43/0xd0 [ 1928.292682] ? kasan_kmalloc+0xc7/0xe0 [ 1928.292701] ? kasan_slab_alloc+0x12/0x20 [ 1928.292720] ? kmem_cache_alloc+0x12e/0x730 [ 1928.292741] ? fscache_alloc_cookie+0xcb/0x880 [ 1928.313586] ? __fscache_acquire_cookie+0x230/0xb60 [ 1928.351889] ? v9fs_session_init+0xffe/0x1a70 [ 1928.356406] ? v9fs_mount+0x7d/0x8f0 [ 1928.360141] ? mount_fs+0xae/0x31d [ 1928.363721] ? vfs_kern_mount.part.35+0xdc/0x4f0 [ 1928.368485] ? do_mount+0x581/0x31f0 [ 1928.372200] ? ksys_mount+0x12d/0x140 [ 1928.375999] ? __x64_sys_mount+0xbe/0x150 [ 1928.380139] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1928.385496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1928.391122] ? delete_node+0x30e/0xd20 [ 1928.395007] ? fs_reclaim_acquire+0x20/0x20 [ 1928.399320] ? lock_downgrade+0x900/0x900 [ 1928.403478] ? ___might_sleep+0x1ed/0x300 [ 1928.407615] ? arch_local_save_flags+0x40/0x40 [ 1928.412187] ? trace_hardirqs_on+0xbd/0x310 [ 1928.416501] ? fscache_alloc_cookie+0xcb/0x880 [ 1928.421073] __should_failslab+0x124/0x180 [ 1928.425298] should_failslab+0x9/0x14 [ 1928.429189] __kmalloc+0x2d4/0x760 [ 1928.432727] ? kmem_cache_alloc+0x306/0x730 [ 1928.437057] ? fscache_alloc_cookie+0x6f7/0x880 [ 1928.441725] fscache_alloc_cookie+0x6f7/0x880 [ 1928.446320] ? fscache_cookie_init_once+0x80/0x80 [ 1928.451167] ? lock_downgrade+0x900/0x900 [ 1928.455311] ? trace_hardirqs_on+0xbd/0x310 [ 1928.459619] ? kasan_check_read+0x11/0x20 [ 1928.463755] ? p9_idpool_put+0x36/0x40 [ 1928.467628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1928.473065] ? kasan_check_write+0x14/0x20 [ 1928.477290] __fscache_acquire_cookie+0x230/0xb60 [ 1928.482125] ? fscache_cookie_put+0x880/0x880 [ 1928.486611] ? p9_client_attach+0x1f1/0x860 [ 1928.490922] ? debug_check_no_obj_freed+0x305/0x58d [ 1928.495927] ? p9_client_walk+0xb30/0xb30 [ 1928.500060] ? check_preemption_disabled+0x48/0x200 [ 1928.505065] ? trace_hardirqs_on+0xbd/0x310 [ 1928.509387] ? v9fs_session_init+0xd46/0x1a70 [ 1928.513898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1928.519358] v9fs_cache_session_get_cookie+0xc4/0x270 [ 1928.524544] v9fs_session_init+0xffe/0x1a70 [ 1928.528866] ? v9fs_show_options+0x7e0/0x7e0 [ 1928.533266] ? lock_downgrade+0x900/0x900 [ 1928.537419] ? ___might_sleep+0x1ed/0x300 [ 1928.541558] ? trace_hardirqs_on+0xbd/0x310 [ 1928.545867] ? v9fs_mount+0x62/0x8f0 [ 1928.549574] ? kasan_unpoison_shadow+0x35/0x50 [ 1928.554144] ? kasan_kmalloc+0xc7/0xe0 [ 1928.558026] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1928.562859] ? free_pages+0x44/0x50 [ 1928.566484] v9fs_mount+0x7d/0x8f0 [ 1928.570012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1928.575555] mount_fs+0xae/0x31d [ 1928.578916] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1928.583487] ? may_umount+0xb0/0xb0 [ 1928.587115] ? _raw_read_unlock+0x2c/0x50 [ 1928.591252] ? __get_fs_type+0x97/0xc0 [ 1928.595128] do_mount+0x581/0x31f0 [ 1928.598668] ? copy_mount_string+0x40/0x40 [ 1928.602901] ? kasan_unpoison_shadow+0x35/0x50 [ 1928.607467] ? kasan_kmalloc+0xc7/0xe0 [ 1928.611357] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1928.616205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1928.621735] ? _copy_from_user+0xdf/0x150 [ 1928.625880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1928.631402] ? copy_mount_options+0x288/0x380 [ 1928.635887] ksys_mount+0x12d/0x140 [ 1928.639502] __x64_sys_mount+0xbe/0x150 [ 1928.643466] do_syscall_64+0x1b9/0x820 [ 1928.647341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1928.652696] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1928.657617] ? trace_hardirqs_on_caller+0x310/0x310 [ 1928.662632] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1928.667641] ? recalc_sigpending_tsk+0x180/0x180 [ 1928.672397] ? kasan_check_write+0x14/0x20 [ 1928.676624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1928.681456] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1928.686631] RIP: 0033:0x457579 [ 1928.689817] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1928.708706] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1928.716402] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1928.723665] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1928.730937] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1928.738222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1928.745482] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 03:33:51 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={&(0x7f0000000240)={0x10, 0xf50c}, 0xb2, &(0x7f0000000100)={&(0x7f0000001400)={0x14}, 0xfdc4}}, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff010}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000000040), 0x324fad809d5a9cf, 0x0) 03:33:51 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000100)=@newlink={0x40, 0x10, 0xe3b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x56de000000000000}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@IFLA_VTI_LOCAL={0x8, 0xc001, @multicast2}]}}}]}, 0x40}, 0x1, 0x0, 0x0, 0x40}, 0x800) 03:33:51 executing program 0: pipe2$9p(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RUNLINKAT(r1, &(0x7f0000000040)={0xffffffffffffffca}, 0x7) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000340)='9p\x00', 0x0, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$P9_RREADDIR(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="2a000000290100"], 0x7) mount$9p_fd(0xf6ffffff00000000, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000380)='9p\x00', 0x0, &(0x7f0000000740)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cachetag={'cachetag', 0x3d, 'GPL!cpusetmd5sumposix_acl_access-lo$mime_type!selinux^/wlan0'}}]}}) [ 1928.786972] ================================================================== [ 1928.794393] BUG: KASAN: double-free or invalid-free in fscache_free_cookie+0x230/0x280 [ 1928.802447] [ 1928.804092] CPU: 0 PID: 9308 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #46 [ 1928.811281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1928.820654] Call Trace: [ 1928.823269] dump_stack+0x1c4/0x2b4 [ 1928.826921] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1928.832128] ? printk+0xa7/0xcf [ 1928.835435] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 1928.840221] print_address_description.cold.8+0x9/0x1ff [ 1928.845597] ? fscache_free_cookie+0x230/0x280 [ 1928.850216] kasan_report_invalid_free+0x64/0xa0 [ 1928.854993] ? fscache_free_cookie+0x230/0x280 [ 1928.859596] __kasan_slab_free+0x13a/0x150 [ 1928.863843] ? fscache_free_cookie+0x230/0x280 [ 1928.868440] kasan_slab_free+0xe/0x10 [ 1928.872255] kfree+0xcf/0x230 [ 1928.875377] fscache_free_cookie+0x230/0x280 [ 1928.879802] ? __fscache_check_consistency+0xba0/0xba0 [ 1928.885095] ? kmem_cache_alloc+0x306/0x730 [ 1928.889440] ? fscache_alloc_cookie+0x6f7/0x880 [ 1928.894136] fscache_alloc_cookie+0x74c/0x880 [ 1928.898668] ? fscache_cookie_init_once+0x80/0x80 [ 1928.898687] ? lock_downgrade+0x900/0x900 [ 1928.907693] ? trace_hardirqs_on+0xbd/0x310 [ 1928.912038] ? kasan_check_read+0x11/0x20 [ 1928.916199] ? p9_idpool_put+0x36/0x40 [ 1928.916221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1928.925544] ? kasan_check_write+0x14/0x20 [ 1928.929803] __fscache_acquire_cookie+0x230/0xb60 [ 1928.934676] ? fscache_cookie_put+0x880/0x880 [ 1928.939194] ? p9_client_attach+0x1f1/0x860 [ 1928.943551] ? debug_check_no_obj_freed+0x305/0x58d [ 1928.948595] ? p9_client_walk+0xb30/0xb30 [ 1928.952769] ? check_preemption_disabled+0x48/0x200 [ 1928.957888] ? trace_hardirqs_on+0xbd/0x310 [ 1928.962216] ? v9fs_session_init+0xd46/0x1a70 [ 1928.966713] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1928.972169] v9fs_cache_session_get_cookie+0xc4/0x270 [ 1928.977365] v9fs_session_init+0xffe/0x1a70 [ 1928.981692] ? v9fs_show_options+0x7e0/0x7e0 [ 1928.986089] ? lock_downgrade+0x900/0x900 [ 1928.990230] ? ___might_sleep+0x1ed/0x300 [ 1928.994373] ? trace_hardirqs_on+0xbd/0x310 [ 1928.998690] ? v9fs_mount+0x62/0x8f0 [ 1929.002397] ? kasan_unpoison_shadow+0x35/0x50 [ 1929.006967] ? kasan_kmalloc+0xc7/0xe0 [ 1929.010846] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1929.015686] ? free_pages+0x44/0x50 [ 1929.019325] v9fs_mount+0x7d/0x8f0 [ 1929.022861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1929.028394] mount_fs+0xae/0x31d [ 1929.031758] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1929.036332] ? may_umount+0xb0/0xb0 [ 1929.039946] ? _raw_read_unlock+0x2c/0x50 [ 1929.044567] ? __get_fs_type+0x97/0xc0 [ 1929.048462] do_mount+0x581/0x31f0 [ 1929.051998] ? copy_mount_string+0x40/0x40 [ 1929.056223] ? kasan_unpoison_shadow+0x35/0x50 [ 1929.060791] ? kasan_kmalloc+0xc7/0xe0 [ 1929.064675] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1929.069517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1929.075045] ? _copy_from_user+0xdf/0x150 [ 1929.079199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1929.084727] ? copy_mount_options+0x288/0x380 [ 1929.089211] ksys_mount+0x12d/0x140 [ 1929.092830] __x64_sys_mount+0xbe/0x150 [ 1929.096808] do_syscall_64+0x1b9/0x820 [ 1929.100696] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1929.106050] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1929.110968] ? trace_hardirqs_on_caller+0x310/0x310 [ 1929.115976] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1929.120995] ? recalc_sigpending_tsk+0x180/0x180 [ 1929.125743] ? kasan_check_write+0x14/0x20 [ 1929.129987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1929.134833] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1929.140008] RIP: 0033:0x457579 [ 1929.143191] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1929.162087] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1929.169802] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1929.177057] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1929.184329] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1929.191582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1929.198845] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1929.206113] [ 1929.207813] Allocated by task 9305: [ 1929.211426] save_stack+0x43/0xd0 [ 1929.214865] kasan_kmalloc+0xc7/0xe0 [ 1929.218575] __kmalloc_track_caller+0x14a/0x750 [ 1929.223235] kstrdup+0x39/0x70 [ 1929.226413] p9_client_create+0x483/0x160a [ 1929.230640] v9fs_session_init+0x217/0x1a70 [ 1929.234949] v9fs_mount+0x7d/0x8f0 [ 1929.238486] mount_fs+0xae/0x31d [ 1929.241842] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1929.246408] do_mount+0x581/0x31f0 [ 1929.249946] ksys_mount+0x12d/0x140 [ 1929.253568] __x64_sys_mount+0xbe/0x150 [ 1929.257532] do_syscall_64+0x1b9/0x820 [ 1929.261407] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1929.266575] [ 1929.268199] Freed by task 9305: [ 1929.271464] save_stack+0x43/0xd0 [ 1929.274900] __kasan_slab_free+0x102/0x150 [ 1929.279121] kasan_slab_free+0xe/0x10 [ 1929.282910] kfree+0xcf/0x230 [ 1929.286003] p9_client_create+0x7c3/0x160a [ 1929.290240] v9fs_session_init+0x217/0x1a70 [ 1929.294552] v9fs_mount+0x7d/0x8f0 [ 1929.298081] mount_fs+0xae/0x31d [ 1929.301438] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1929.306007] do_mount+0x581/0x31f0 [ 1929.309534] ksys_mount+0x12d/0x140 [ 1929.313154] __x64_sys_mount+0xbe/0x150 [ 1929.317117] do_syscall_64+0x1b9/0x820 [ 1929.321346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1929.326517] [ 1929.328136] The buggy address belongs to the object at ffff8801ce98bd00 [ 1929.328136] which belongs to the cache kmalloc-64 of size 64 [ 1929.340623] The buggy address is located 0 bytes inside of [ 1929.340623] 64-byte region [ffff8801ce98bd00, ffff8801ce98bd40) [ 1929.352227] The buggy address belongs to the page: [ 1929.357163] page:ffffea00073a62c0 count:1 mapcount:0 mapping:ffff8801da800340 index:0xffff8801ce98b280 [ 1929.366605] flags: 0x2fffc0000000100(slab) [ 1929.370837] raw: 02fffc0000000100 ffffea000745bd08 ffffea00072fa188 ffff8801da800340 [ 1929.378709] raw: ffff8801ce98b280 ffff8801ce98b000 0000000100000009 0000000000000000 [ 1929.386572] page dumped because: kasan: bad access detected [ 1929.392269] [ 1929.393880] Memory state around the buggy address: [ 1929.398793] ffff8801ce98bc00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1929.406136] ffff8801ce98bc80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1929.413481] >ffff8801ce98bd00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1929.420821] ^ [ 1929.424173] ffff8801ce98bd80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1929.431517] ffff8801ce98be00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 1929.438869] ================================================================== [ 1929.446210] Kernel panic - not syncing: panic_on_warn set ... [ 1929.446210] [ 1929.453565] CPU: 0 PID: 9308 Comm: syz-executor1 Tainted: G B 4.19.0-rc6+ #46 [ 1929.462129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1929.471480] Call Trace: [ 1929.474068] dump_stack+0x1c4/0x2b4 [ 1929.477688] ? dump_stack_print_info.cold.2+0x52/0x52 [ 1929.482867] ? lock_downgrade+0x900/0x900 [ 1929.487010] ? fscache_free_cookie+0x1a0/0x280 [ 1929.491585] panic+0x238/0x4e7 [ 1929.494770] ? add_taint.cold.5+0x16/0x16 [ 1929.498911] ? print_shadow_for_address+0xb6/0x116 [ 1929.503828] ? trace_hardirqs_off+0xaf/0x310 [ 1929.508247] ? fscache_free_cookie+0x230/0x280 [ 1929.512834] kasan_end_report+0x47/0x4f [ 1929.516807] kasan_report_invalid_free+0x81/0xa0 [ 1929.521550] ? fscache_free_cookie+0x230/0x280 [ 1929.526128] __kasan_slab_free+0x13a/0x150 [ 1929.530350] ? fscache_free_cookie+0x230/0x280 [ 1929.534934] kasan_slab_free+0xe/0x10 [ 1929.538723] kfree+0xcf/0x230 [ 1929.541818] fscache_free_cookie+0x230/0x280 [ 1929.546219] ? __fscache_check_consistency+0xba0/0xba0 [ 1929.551484] ? kmem_cache_alloc+0x306/0x730 [ 1929.555904] ? fscache_alloc_cookie+0x6f7/0x880 [ 1929.560567] fscache_alloc_cookie+0x74c/0x880 [ 1929.565154] ? fscache_cookie_init_once+0x80/0x80 [ 1929.569984] ? lock_downgrade+0x900/0x900 [ 1929.574129] ? trace_hardirqs_on+0xbd/0x310 [ 1929.578439] ? kasan_check_read+0x11/0x20 [ 1929.582586] ? p9_idpool_put+0x36/0x40 [ 1929.586463] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1929.591903] ? kasan_check_write+0x14/0x20 [ 1929.596131] __fscache_acquire_cookie+0x230/0xb60 [ 1929.600965] ? fscache_cookie_put+0x880/0x880 [ 1929.605453] ? p9_client_attach+0x1f1/0x860 [ 1929.609769] ? debug_check_no_obj_freed+0x305/0x58d [ 1929.614777] ? p9_client_walk+0xb30/0xb30 [ 1929.618914] ? check_preemption_disabled+0x48/0x200 [ 1929.623924] ? trace_hardirqs_on+0xbd/0x310 [ 1929.628233] ? v9fs_session_init+0xd46/0x1a70 [ 1929.632715] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 1929.638158] v9fs_cache_session_get_cookie+0xc4/0x270 [ 1929.643341] v9fs_session_init+0xffe/0x1a70 [ 1929.647677] ? v9fs_show_options+0x7e0/0x7e0 [ 1929.652074] ? lock_downgrade+0x900/0x900 [ 1929.656215] ? ___might_sleep+0x1ed/0x300 [ 1929.660365] ? trace_hardirqs_on+0xbd/0x310 [ 1929.664686] ? v9fs_mount+0x62/0x8f0 [ 1929.668390] ? kasan_unpoison_shadow+0x35/0x50 [ 1929.672962] ? kasan_kmalloc+0xc7/0xe0 [ 1929.676845] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1929.681680] ? free_pages+0x44/0x50 [ 1929.685310] v9fs_mount+0x7d/0x8f0 [ 1929.688843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1929.694372] mount_fs+0xae/0x31d [ 1929.697732] vfs_kern_mount.part.35+0xdc/0x4f0 [ 1929.702323] ? may_umount+0xb0/0xb0 [ 1929.705954] ? _raw_read_unlock+0x2c/0x50 [ 1929.710091] ? __get_fs_type+0x97/0xc0 [ 1929.713973] do_mount+0x581/0x31f0 [ 1929.717503] ? copy_mount_string+0x40/0x40 [ 1929.721727] ? kasan_unpoison_shadow+0x35/0x50 [ 1929.726298] ? kasan_kmalloc+0xc7/0xe0 [ 1929.730198] ? kmem_cache_alloc_trace+0x31f/0x750 [ 1929.735033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1929.740566] ? _copy_from_user+0xdf/0x150 [ 1929.744711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1929.750235] ? copy_mount_options+0x288/0x380 [ 1929.754726] ksys_mount+0x12d/0x140 [ 1929.758344] __x64_sys_mount+0xbe/0x150 [ 1929.762309] do_syscall_64+0x1b9/0x820 [ 1929.766185] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 1929.771540] ? syscall_return_slowpath+0x5e0/0x5e0 [ 1929.776468] ? trace_hardirqs_on_caller+0x310/0x310 [ 1929.781473] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 1929.786478] ? recalc_sigpending_tsk+0x180/0x180 [ 1929.791221] ? kasan_check_write+0x14/0x20 [ 1929.795447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1929.800297] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1929.805481] RIP: 0033:0x457579 [ 1929.808661] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1929.827554] RSP: 002b:00007f274a62fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1929.835255] RAX: ffffffffffffffda RBX: 00007f274a62fc90 RCX: 0000000000457579 [ 1929.842509] RDX: 0000000020000380 RSI: 00000000200002c0 RDI: 0000000000000000 [ 1929.849765] RBP: 000000000072bf00 R08: 0000000020000740 R09: 0000000000000000 [ 1929.857022] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f274a6306d4 [ 1929.864279] R13: 00000000004c28b5 R14: 00000000004d3c90 R15: 0000000000000005 [ 1929.872681] Kernel Offset: disabled [ 1929.876312] Rebooting in 86400 seconds..