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", 0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2472.015612] FAT-fs (loop6): invalid media value (0x58)
[ 2472.021090] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2472.050864] FAT-fs (loop7): bogus number of FAT structure
[ 2472.056641] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2472.085750] FAT-fs (loop2): bogus logical sector size 1171
[ 2472.090746] FAT-fs (loop4): bogus number of reserved sectors
[ 2472.091557] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2472.097437] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2472.111014] FAT-fs (loop5): bogus number of reserved sectors
[ 2472.116938] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2472.137292] FAT-fs (loop5): bogus number of reserved sectors
[ 2472.138841] FAT-fs (loop7): bogus number of FAT structure
[ 2472.143218] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2472.148753] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2472.163124] FAT-fs (loop4): bogus number of reserved sectors
[ 2472.163225] FAT-fs (loop2): bogus logical sector size 1171
[ 2472.168997] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2472.180582] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:37 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000005b)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:38 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000140)={{&(0x7f0000ffb000/0x3000)=nil, 0x3000}, 0x1})
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:38 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xff, 0x3, &(0x7f0000001340)=[{&(0x7f00000000c0)="cc0646e97db53c2a6a504d56769c4759d341b98d08c73f1e387dfa", 0x1b, 0x4}, {&(0x7f0000000200)="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0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:38 executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_read_part_table(0x0, 0x0, &(0x7f0000000100))
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xff, 0x3, &(0x7f0000001340)=[{&(0x7f00000000c0)="cc0646e97db53c2a6a504d56769c4759d341b98d08c73f1e387dfa", 0x1b, 0x4}, {&(0x7f0000000200)="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", 0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:38 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x5c00, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:38 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xff3f}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:38 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174040404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:38 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xff0f0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:38 executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_read_part_table(0x0, 0x0, &(0x7f0000000100))
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0xff, 0x3, &(0x7f0000001340)=[{&(0x7f00000000c0)="cc0646e97db53c2a6a504d56769c4759d341b98d08c73f1e387dfa", 0x1b, 0x4}, {&(0x7f0000000200)="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", 0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2472.862549] FAT-fs (loop6): invalid media value (0x58)
[ 2472.863108] FAT-fs (loop5): bogus number of reserved sectors
[ 2472.867923] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2472.879860] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2472.887661] FAT-fs (loop2): bogus logical sector size 1028
[ 2472.893400] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2472.903430] FAT-fs (loop4): bogus number of reserved sectors
08:32:38 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x3, &(0x7f0000001340)=[{&(0x7f00000000c0)="cc0646e97db53c2a6a504d56769c4759d341b98d08c73f1e387dfa", 0x1b, 0x4}, {&(0x7f0000000200)="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", 0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2472.909465] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2472.930183] FAT-fs (loop2): bogus logical sector size 1028
[ 2472.933684] FAT-fs (loop7): bogus number of FAT structure
[ 2472.936079] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2472.941609] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:38 executing program 0 (fault-call:3 fault-nth:0):
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:38 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174680404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2472.967559] FAT-fs (loop5): bogus number of reserved sectors
[ 2472.973599] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2472.986678] FAT-fs (loop6): invalid media value (0x58)
[ 2472.992148] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2473.013331] FAT-fs (loop4): bogus number of reserved sectors
[ 2473.019254] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2473.030194] FAULT_INJECTION: forcing a failure.
[ 2473.030194] name failslab, interval 1, probability 0, space 0, times 0
[ 2473.041549] CPU: 1 PID: 28947 Comm: syz-executor0 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2473.050057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2473.057682] FAT-fs (loop7): bogus number of FAT structure
[ 2473.059417] Call Trace:
[ 2473.059441]  dump_stack+0x1c9/0x2b4
[ 2473.059462]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2473.059489]  ? perf_trace_lock+0xde/0x920
[ 2473.065026] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2473.067593]  should_fail.cold.4+0xa/0x11
[ 2473.067615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2473.078532] FAT-fs (loop5): bogus number of reserved sectors
[ 2473.080554]  ? zap_class+0x740/0x740
[ 2473.080571]  ? zap_class+0x740/0x740
[ 2473.080595]  ? __local_bh_enable_ip+0x161/0x230
[ 2473.086505] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2473.090544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2473.090568]  ? lock_acquire+0x1e4/0x540
[ 2473.128883]  ? fs_reclaim_acquire+0x20/0x20
[ 2473.133206]  ? lock_downgrade+0x8f0/0x8f0
[ 2473.137357]  ? release_sock+0x1ec/0x2c0
[ 2473.141340]  ? check_same_owner+0x340/0x340
[ 2473.145658]  ? lock_downgrade+0x8f0/0x8f0
[ 2473.149805]  ? rcu_note_context_switch+0x730/0x730
[ 2473.154737]  __should_failslab+0x124/0x180
[ 2473.158974]  should_failslab+0x9/0x14
[ 2473.162775]  kmem_cache_alloc_node+0x272/0x780
[ 2473.167358]  ? __local_bh_enable_ip+0x161/0x230
[ 2473.172034]  ? _raw_spin_unlock_bh+0x30/0x40
[ 2473.176440]  __alloc_skb+0x119/0x790
[ 2473.180171]  ? skb_scrub_packet+0x490/0x490
[ 2473.184665]  ? netlink_insert+0x15d/0x3f0
[ 2473.188811]  ? __netlink_insert+0x13d0/0x13d0
[ 2473.193311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2473.198848]  ? netlink_autobind.isra.34+0x23b/0x320
[ 2473.203864]  netlink_sendmsg+0xb29/0xfc0
[ 2473.207937]  ? netlink_unicast+0x760/0x760
[ 2473.212175]  ? move_addr_to_kernel.part.20+0x100/0x100
[ 2473.217456]  ? security_socket_sendmsg+0x94/0xc0
[ 2473.222306]  ? netlink_unicast+0x760/0x760
[ 2473.226547]  sock_sendmsg+0xd5/0x120
[ 2473.230267]  ___sys_sendmsg+0x7fd/0x930
[ 2473.234246]  ? copy_msghdr_from_user+0x580/0x580
[ 2473.239011]  ? __f_unlock_pos+0x19/0x20
[ 2473.242988]  ? lock_downgrade+0x8f0/0x8f0
[ 2473.247140]  ? proc_fail_nth_write+0x9e/0x210
[ 2473.251639]  ? __fget_light+0x2f7/0x440
[ 2473.255611]  ? fget_raw+0x20/0x20
[ 2473.259068]  ? kasan_check_write+0x14/0x20
[ 2473.263304]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2473.268235]  ? fsnotify+0xbac/0x14e0
[ 2473.271956]  ? vfs_write+0x2f3/0x560
[ 2473.275671]  ? wait_for_completion+0x8d0/0x8d0
[ 2473.280253]  ? lock_release+0xa30/0xa30
[ 2473.284234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2473.289778]  ? sockfd_lookup_light+0xc5/0x160
[ 2473.294295]  __sys_sendmsg+0x11d/0x290
[ 2473.298187]  ? __ia32_sys_shutdown+0x80/0x80
[ 2473.302596]  ? __sb_end_write+0xac/0xe0
[ 2473.306573]  ? fput+0x130/0x1a0
[ 2473.309852]  ? ksys_write+0x1ae/0x260
[ 2473.313662]  __x64_sys_sendmsg+0x78/0xb0
[ 2473.317727]  do_syscall_64+0x1b9/0x820
[ 2473.321617]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2473.326549]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2473.331479]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2473.336496]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2473.341513]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2473.346182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2473.351027]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2473.356215] RIP: 0033:0x455e29
[ 2473.359394] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2473.378673] RSP: 002b:00007f039b297c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2473.386397] RAX: ffffffffffffffda RBX: 00007f039b2986d4 RCX: 0000000000455e29
[ 2473.393675] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000014
[ 2473.400955] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[ 2473.408242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
08:32:38 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa904}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:38 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000ee)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2473.415514] R13: 00000000004c1482 R14: 00000000004d1948 R15: 0000000000000000
08:32:38 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x4, &(0x7f0000001340)=[{&(0x7f0000000200)="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", 0x1000, 0x1}, {&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:38 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7309000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:38 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b2f732e666174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2473.448280] FAT-fs (loop2): bogus logical sector size 1128
[ 2473.453988] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2473.468057] FAT-fs (loop5): bogus number of reserved sectors
[ 2473.473958] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2473.503751] FAT-fs (loop2): bogus logical sector size 1128
[ 2473.509486] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2473.529318] FAT-fs (loop6): invalid media value (0x55)
[ 2473.534783] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2473.546807] FAT-fs (loop4): bogus number of reserved sectors
[ 2473.552737] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2473.613054] FAT-fs (loop4): bogus number of reserved sectors
[ 2473.619644] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:39 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f00000002c0)=""/147, &(0x7f0000000140)=0x93)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:39 executing program 0 (fault-call:3 fault-nth:1):
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:39 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174730204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:39 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:39 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b2e732e666174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:39 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x3, &(0x7f0000001340)=[{&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:39 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x600000000000000}, {&(0x7f0000000780)="68f37a52bd948b22bd6f90198ef37d2206606e492a4bc1c2e7be0e609bf078648045df0fa9e7f8344b7ea421f8c59d10c08470e73d8184d7c67aee76f9b7fcbb5fc0dcbee65a07df4e5b27b4990c8f051bab19a4d3a63576b7027e1772a82e58f7f5482bc58b0830a021e0a8c75a7a5d4c7d86cb424bb47ad43292d7ae87a0ff02c5159088f15ab4da5ca9ab5fd9bd0d83bd6679d2892c4c296f5e920a889264157f36d3a5d41532b2bc7e73474ecdf3a175b2d967e9b1e1524cae7e022d2a49200fda72f497ea388d70edb646cab50ab18f37e34ae240b7de7ffbafe1ec20b87dd28dcdf3c8a96cca28343f672a72e2c5e060b646945fc396c134483c8244fae9d45b19f68503a71d536b2ccdf147e23b51598337411e63e321cf5c5af58203b0f0cab7ec76d9acf2c46c4ff15d2b96061b0930a52e75eddf3c17882d78206986d6b1f15ec404af646bf86ebda70580dc7b6d14faa8c7180ada6d05a996f84f881a2ea322330bb571ec7215fe7aeac871a98de01a", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2473.902132] FAT-fs (loop2): bogus logical sector size 627
[ 2473.907863] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2473.908007] FAULT_INJECTION: forcing a failure.
[ 2473.908007] name failslab, interval 1, probability 0, space 0, times 0
[ 2473.925211] CPU: 0 PID: 28986 Comm: syz-executor0 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2473.933707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2473.943068] Call Trace:
[ 2473.945668]  dump_stack+0x1c9/0x2b4
[ 2473.949298]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2473.954497]  should_fail.cold.4+0xa/0x11
[ 2473.958566]  ? __kernel_text_address+0xd/0x40
[ 2473.963076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2473.968197]  ? __save_stack_trace+0x8d/0xf0
[ 2473.970392] FAT-fs (loop6): bogus number of reserved sectors
[ 2473.972542]  ? save_stack+0xa9/0xd0
[ 2473.972561]  ? save_stack+0x43/0xd0
[ 2473.972578]  ? kasan_kmalloc+0xc4/0xe0
[ 2473.972590]  ? kasan_slab_alloc+0x12/0x20
[ 2473.972611]  ? kmem_cache_alloc_node+0x144/0x780
[ 2473.978429] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2473.982025]  ? __alloc_skb+0x119/0x790
[ 2473.982042]  ? netlink_sendmsg+0xb29/0xfc0
[ 2473.982063]  ? sock_sendmsg+0xd5/0x120
[ 2474.016248]  ? ___sys_sendmsg+0x7fd/0x930
[ 2474.020403]  ? __sys_sendmsg+0x11d/0x290
[ 2474.024464]  ? __x64_sys_sendmsg+0x78/0xb0
[ 2474.028704]  ? do_syscall_64+0x1b9/0x820
[ 2474.032767]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2474.038134]  ? lock_acquire+0x1e4/0x540
[ 2474.042365]  ? fs_reclaim_acquire+0x20/0x20
[ 2474.046692]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.050844]  ? check_same_owner+0x340/0x340
[ 2474.055152]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.059287]  ? rcu_note_context_switch+0x730/0x730
[ 2474.064292]  __should_failslab+0x124/0x180
[ 2474.068516]  should_failslab+0x9/0x14
[ 2474.072318]  kmem_cache_alloc_node_trace+0x26f/0x770
[ 2474.077429]  ? kasan_kmalloc+0xc4/0xe0
[ 2474.081310]  __kmalloc_node_track_caller+0x33/0x70
[ 2474.086230]  __kmalloc_reserve.isra.41+0x3a/0xe0
[ 2474.090972]  __alloc_skb+0x155/0x790
[ 2474.094676]  ? skb_scrub_packet+0x490/0x490
[ 2474.098985]  ? netlink_insert+0x15d/0x3f0
[ 2474.103119]  ? __netlink_insert+0x13d0/0x13d0
[ 2474.107609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2474.113131]  ? netlink_autobind.isra.34+0x23b/0x320
[ 2474.118143]  netlink_sendmsg+0xb29/0xfc0
[ 2474.122200]  ? netlink_unicast+0x760/0x760
[ 2474.126422]  ? move_addr_to_kernel.part.20+0x100/0x100
[ 2474.131700]  ? security_socket_sendmsg+0x94/0xc0
[ 2474.136457]  ? netlink_unicast+0x760/0x760
[ 2474.140678]  sock_sendmsg+0xd5/0x120
[ 2474.144375]  ___sys_sendmsg+0x7fd/0x930
[ 2474.148336]  ? find_vpid+0xf0/0xf0
[ 2474.151865]  ? copy_msghdr_from_user+0x580/0x580
[ 2474.156622]  ? __f_unlock_pos+0x19/0x20
[ 2474.160587]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.164733]  ? proc_fail_nth_write+0x9e/0x210
[ 2474.169215]  ? __fget_light+0x2f7/0x440
[ 2474.173177]  ? lock_acquire+0x1e4/0x540
[ 2474.177138]  ? fget_raw+0x20/0x20
[ 2474.180581]  ? kasan_check_write+0x14/0x20
[ 2474.184805]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2474.189718]  ? fsnotify+0xbac/0x14e0
[ 2474.193430]  ? vfs_write+0x2f3/0x560
[ 2474.197128]  ? wait_for_completion+0x8d0/0x8d0
[ 2474.201707]  ? lock_release+0xa30/0xa30
[ 2474.205674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2474.211197]  ? sockfd_lookup_light+0xc5/0x160
[ 2474.215678]  __sys_sendmsg+0x11d/0x290
[ 2474.219563]  ? __ia32_sys_shutdown+0x80/0x80
[ 2474.223961]  ? __sb_end_write+0xac/0xe0
[ 2474.227923]  ? fput+0x130/0x1a0
[ 2474.231204]  ? ksys_write+0x1ae/0x260
[ 2474.235014]  ? syscall_slow_exit_work+0x500/0x500
[ 2474.240023]  __x64_sys_sendmsg+0x78/0xb0
[ 2474.244076]  do_syscall_64+0x1b9/0x820
[ 2474.248124]  ? finish_task_switch+0x1d3/0x870
[ 2474.252612]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2474.257532]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2474.262468]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2474.267650]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2474.272654]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2474.277309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2474.282143]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2474.287317] RIP: 0033:0x455e29
[ 2474.290491] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2474.309707] RSP: 002b:00007f039b297c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2474.317421] RAX: ffffffffffffffda RBX: 00007f039b2986d4 RCX: 0000000000455e29
[ 2474.325654] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000014
[ 2474.333014] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[ 2474.340270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
08:32:39 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x3, &(0x7f0000001340)=[{&(0x7f0000000100)="b2f6ee15035784896b5f3748ce8058b0f21ef3002b0e68e7931c853d420ef315428e184e7bded3f642ba8574f4c55ff0a0729318475b5b91d87631d3aa0a680733a2e1fca3fd2a39ac01a1d6661e20", 0x4f, 0x7}, {&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2474.347527] R13: 00000000004c1482 R14: 00000000004d1948 R15: 0000000000000001
[ 2474.363674] FAT-fs (loop5): bogus number of reserved sectors
[ 2474.369661] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2474.377503] FAT-fs (loop4): bogus number of reserved sectors
[ 2474.383522] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2474.392422] FAT-fs (loop2): bogus logical sector size 627
[ 2474.398083] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:39 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174100004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:39 executing program 0 (fault-call:3 fault-nth:2):
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:39 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732f666174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2474.429267] FAT-fs (loop4): bogus number of reserved sectors
[ 2474.435216] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2474.437703] FAT-fs (loop5): bogus number of reserved sectors
[ 2474.447134] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2474.486809] FAT-fs (loop6): bogus number of reserved sectors
[ 2474.492797] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2474.498255] FAULT_INJECTION: forcing a failure.
[ 2474.498255] name failslab, interval 1, probability 0, space 0, times 0
[ 2474.510005] CPU: 1 PID: 29008 Comm: syz-executor0 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2474.518408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2474.527764] Call Trace:
[ 2474.530362]  dump_stack+0x1c9/0x2b4
[ 2474.533997]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2474.539199]  ? trace_hardirqs_on+0xd/0x10
[ 2474.543358]  should_fail.cold.4+0xa/0x11
[ 2474.547431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2474.552627]  ? lock_repin_lock+0x430/0x430
[ 2474.556874]  ? kasan_check_write+0x14/0x20
[ 2474.561124]  ? __schedule+0x884/0x1ed0
[ 2474.565026]  ? br_get_link_af_size_filtered+0x1e3/0xcf0
[ 2474.570405]  ? __sched_text_start+0x8/0x8
[ 2474.574567]  ? lock_acquire+0x1e4/0x540
[ 2474.578546]  ? fs_reclaim_acquire+0x20/0x20
[ 2474.582873]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.587027]  ? check_same_owner+0x340/0x340
[ 2474.591360]  ? lock_acquire+0x1e4/0x540
[ 2474.595378]  ? br_get_linkxstats_size+0x3a0/0x3a0
[ 2474.600241]  __should_failslab+0x124/0x180
[ 2474.604494]  should_failslab+0x9/0x14
[ 2474.608308]  kmem_cache_alloc_node+0x272/0x780
[ 2474.612906]  ? lock_release+0xa30/0xa30
[ 2474.616902]  ? net_to_rxe+0xe1/0x110
[ 2474.620629]  __alloc_skb+0x119/0x790
[ 2474.624349]  ? skb_scrub_packet+0x490/0x490
[ 2474.628680]  ? if_nlmsg_size+0x5d9/0xbc0
[ 2474.632750]  ? rtnl_xdp_fill+0x8f0/0x8f0
[ 2474.636818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2474.642373]  ? notifier_call_chain+0x2da/0x390
[ 2474.646988]  ? unregister_die_notifier+0x20/0x20
[ 2474.652105]  rtmsg_ifinfo_build_skb+0x73/0x190
[ 2474.656701]  rtmsg_ifinfo_event.part.30+0x45/0xe0
[ 2474.661558]  rtmsg_ifinfo+0x8c/0xa0
[ 2474.665193]  netdev_state_change+0x152/0x1a0
[ 2474.669603]  ? arch_local_irq_enable+0x50/0x50
[ 2474.674196]  do_setlink+0x2653/0x3e10
[ 2474.678006]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2474.683023]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2474.687787]  ? validate_linkmsg+0xa40/0xa40
[ 2474.692105]  ? is_bpf_text_address+0xae/0x170
[ 2474.696603]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.700757]  ? lock_release+0xa30/0xa30
[ 2474.704740]  ? kasan_check_read+0x11/0x20
[ 2474.708898]  ? rcu_is_watching+0x8c/0x150
[ 2474.713054]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2474.717733]  ? trace_hardirqs_on+0x10/0x10
[ 2474.721990]  ? trace_hardirqs_on+0x10/0x10
[ 2474.726239]  ? __kernel_text_address+0xd/0x40
[ 2474.730762]  ? unwind_get_return_address+0x61/0xa0
[ 2474.735694]  ? __save_stack_trace+0x8d/0xf0
[ 2474.740021]  ? trace_hardirqs_on+0x10/0x10
[ 2474.744266]  ? perf_trace_lock+0xde/0x920
[ 2474.748418]  ? trace_hardirqs_on+0x10/0x10
[ 2474.752655]  ? __sanitizer_cov_trace_switch+0x53/0x90
[ 2474.757851]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2474.762870]  ? validate_linkmsg+0x277/0xa40
[ 2474.767205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2474.772746]  ? rtnl_stats_dump+0xaa0/0xaa0
[ 2474.776986]  ? validate_nla+0x7b0/0x7b0
[ 2474.780968]  rtnl_newlink+0x159a/0x1d60
[ 2474.784960]  ? rtnl_link_unregister+0x390/0x390
[ 2474.789638]  ? perf_trace_lock+0xde/0x920
[ 2474.793794]  ? zap_class+0x740/0x740
[ 2474.797510]  ? zap_class+0x740/0x740
[ 2474.801228]  ? trace_hardirqs_on+0x10/0x10
[ 2474.805488]  ? lock_acquire+0x1e4/0x540
[ 2474.809472]  ? rtnetlink_rcv_msg+0x412/0xc30
[ 2474.813899]  ? lock_release+0xa30/0xa30
[ 2474.817875]  ? check_same_owner+0x340/0x340
[ 2474.822198]  ? rcu_note_context_switch+0x730/0x730
[ 2474.827589]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2474.832355]  ? kasan_check_write+0x14/0x20
[ 2474.836591]  ? __mutex_lock+0x6c4/0x1680
[ 2474.840917]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.845068]  ? rtnetlink_rcv_msg+0x412/0xc30
[ 2474.849479]  ? perf_trace_lock+0xde/0x920
[ 2474.853629]  ? mutex_trylock+0x2b0/0x2b0
[ 2474.857695]  ? perf_trace_lock+0xde/0x920
[ 2474.861845]  ? zap_class+0x740/0x740
[ 2474.865587]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.869758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2474.875309]  ? rtnl_get_link+0x170/0x370
[ 2474.879489]  ? rtnl_dump_all+0x600/0x600
[ 2474.883577]  ? ns_capable_common+0x13f/0x170
[ 2474.887996]  ? rtnl_link_unregister+0x390/0x390
[ 2474.892665]  rtnetlink_rcv_msg+0x46e/0xc30
[ 2474.896906]  ? rtnetlink_put_metrics+0x690/0x690
[ 2474.901684]  netlink_rcv_skb+0x172/0x440
[ 2474.905747]  ? rtnetlink_put_metrics+0x690/0x690
[ 2474.910504]  ? netlink_ack+0xbe0/0xbe0
[ 2474.914398]  rtnetlink_rcv+0x1c/0x20
[ 2474.918112]  netlink_unicast+0x5a0/0x760
[ 2474.922177]  ? netlink_attachskb+0x9a0/0x9a0
[ 2474.926597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2474.932145]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2474.937163]  netlink_sendmsg+0xa18/0xfc0
[ 2474.941238]  ? netlink_unicast+0x760/0x760
[ 2474.945695]  ? move_addr_to_kernel.part.20+0x100/0x100
[ 2474.950982]  ? security_socket_sendmsg+0x94/0xc0
[ 2474.955762]  ? netlink_unicast+0x760/0x760
[ 2474.959999]  sock_sendmsg+0xd5/0x120
[ 2474.963713]  ___sys_sendmsg+0x7fd/0x930
[ 2474.967713]  ? copy_msghdr_from_user+0x580/0x580
[ 2474.972475]  ? __f_unlock_pos+0x19/0x20
[ 2474.976454]  ? lock_downgrade+0x8f0/0x8f0
[ 2474.980607]  ? proc_fail_nth_write+0x9e/0x210
[ 2474.985103]  ? __fget_light+0x2f7/0x440
[ 2474.989078]  ? lock_acquire+0x1e4/0x540
[ 2474.993052]  ? fget_raw+0x20/0x20
[ 2474.996510]  ? kasan_check_write+0x14/0x20
[ 2475.000743]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2475.005683]  ? fsnotify+0xbac/0x14e0
[ 2475.009399]  ? vfs_write+0x2f3/0x560
[ 2475.013117]  ? wait_for_completion+0x8d0/0x8d0
[ 2475.017703]  ? lock_release+0xa30/0xa30
[ 2475.021689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2475.027246]  ? sockfd_lookup_light+0xc5/0x160
[ 2475.031761]  __sys_sendmsg+0x11d/0x290
[ 2475.035656]  ? __ia32_sys_shutdown+0x80/0x80
[ 2475.040067]  ? __sb_end_write+0xac/0xe0
[ 2475.044047]  ? fput+0x130/0x1a0
[ 2475.047329]  ? ksys_write+0x1ae/0x260
[ 2475.051142]  ? syscall_slow_exit_work+0x500/0x500
[ 2475.056094]  __x64_sys_sendmsg+0x78/0xb0
[ 2475.060165]  do_syscall_64+0x1b9/0x820
[ 2475.064057]  ? finish_task_switch+0x1d3/0x870
[ 2475.068562]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2475.073495]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2475.078431]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2475.083465]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2475.088500]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2475.093174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2475.098028]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2475.103226] RIP: 0033:0x455e29
[ 2475.106409] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2475.125753] RSP: 002b:00007f039b297c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
08:32:40 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7400000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:40 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000082)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:40 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x900000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2475.133486] RAX: ffffffffffffffda RBX: 00007f039b2986d4 RCX: 0000000000455e29
[ 2475.140760] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000014
[ 2475.148042] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[ 2475.155316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
[ 2475.163196] R13: 00000000004c1482 R14: 00000000004d1948 R15: 0000000000000002
08:32:40 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000001340)=[{&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2475.204879] FAT-fs (loop2): bogus logical sector size 16
[ 2475.210535] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2475.236620] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:40 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b667325666174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2475.251335] FAT-fs (loop6): bogus number of reserved sectors
[ 2475.253774] FAT-fs (loop2): bogus logical sector size 16
[ 2475.257251] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2475.268676] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2475.279540] FAT-fs (loop4): bogus number of reserved sectors
[ 2475.285659] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2475.305893] FAT-fs (loop5): bogus number of reserved sectors
[ 2475.311855] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:40 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
ioctl$BLKIOMIN(r0, 0x1278, &(0x7f0000000140))
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
getsockopt$IPT_SO_GET_ENTRIES(r0, 0x0, 0x41, &(0x7f00000002c0)={'security\x00', 0x37, "a482c964e6bc95c8c384ddd2a2e3554140440839b61abae1fcb9fafbec816d325758721249bc076db05ae48e91b40510c5f7937693d7bb"}, &(0x7f0000000240)=0x5b)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:40 executing program 0 (fault-call:3 fault-nth:3):
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:40 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740e0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:40 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000001340)=[{&(0x7f0000001200), 0x0, 0x3}, {&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2475.354754] FAT-fs (loop4): bogus number of reserved sectors
[ 2475.360704] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2475.370867] FAT-fs (loop5): bogus number of reserved sectors
[ 2475.373124] FAT-fs (loop2): bogus logical sector size 1038
[ 2475.376771] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2475.382416] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2475.409818] FAT-fs (loop2): bogus logical sector size 1038
[ 2475.411556] FAULT_INJECTION: forcing a failure.
[ 2475.411556] name failslab, interval 1, probability 0, space 0, times 0
[ 2475.415576] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2475.426802] CPU: 0 PID: 29040 Comm: syz-executor0 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2475.426814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2475.426818] Call Trace:
[ 2475.426849]  dump_stack+0x1c9/0x2b4
[ 2475.456675]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2475.461901]  should_fail.cold.4+0xa/0x11
[ 2475.465977]  ? __kernel_text_address+0xd/0x40
[ 2475.470501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2475.475617]  ? __save_stack_trace+0x8d/0xf0
[ 2475.479948]  ? save_stack+0xa9/0xd0
[ 2475.483576]  ? save_stack+0x43/0xd0
[ 2475.487201]  ? kasan_kmalloc+0xc4/0xe0
[ 2475.491087]  ? kasan_slab_alloc+0x12/0x20
[ 2475.495235]  ? kmem_cache_alloc_node+0x144/0x780
[ 2475.499991]  ? __alloc_skb+0x119/0x790
[ 2475.503877]  ? rtmsg_ifinfo_build_skb+0x73/0x190
[ 2475.508637]  ? rtmsg_ifinfo_event.part.30+0x45/0xe0
[ 2475.513658]  ? rtmsg_ifinfo+0x8c/0xa0
[ 2475.517460]  ? netdev_state_change+0x152/0x1a0
[ 2475.522043]  ? do_setlink+0x2653/0x3e10
[ 2475.526022]  ? rtnl_newlink+0x159a/0x1d60
[ 2475.530177]  ? rtnetlink_rcv_msg+0x46e/0xc30
[ 2475.534599]  ? netlink_rcv_skb+0x172/0x440
[ 2475.538850]  ? rtnetlink_rcv+0x1c/0x20
[ 2475.542757]  ? lock_acquire+0x1e4/0x540
[ 2475.546738]  ? fs_reclaim_acquire+0x20/0x20
[ 2475.551060]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.555210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
08:32:40 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e2e6174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:40 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4c000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2475.560757]  ? check_same_owner+0x340/0x340
[ 2475.565089]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.569242]  ? rcu_note_context_switch+0x730/0x730
[ 2475.574174]  __should_failslab+0x124/0x180
[ 2475.578411]  should_failslab+0x9/0x14
[ 2475.582216]  kmem_cache_alloc_node_trace+0x26f/0x770
[ 2475.587322]  ? kasan_kmalloc+0xc4/0xe0
[ 2475.591228]  __kmalloc_node_track_caller+0x33/0x70
[ 2475.596167]  __kmalloc_reserve.isra.41+0x3a/0xe0
[ 2475.600922]  __alloc_skb+0x155/0x790
[ 2475.604635]  ? skb_scrub_packet+0x490/0x490
[ 2475.608966]  ? if_nlmsg_size+0x5d9/0xbc0
[ 2475.613027]  ? rtnl_xdp_fill+0x8f0/0x8f0
[ 2475.617092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2475.622640]  ? notifier_call_chain+0x2da/0x390
[ 2475.627252]  ? unregister_die_notifier+0x20/0x20
[ 2475.632015]  rtmsg_ifinfo_build_skb+0x73/0x190
[ 2475.636610]  rtmsg_ifinfo_event.part.30+0x45/0xe0
[ 2475.641456]  rtmsg_ifinfo+0x8c/0xa0
[ 2475.645083]  netdev_state_change+0x152/0x1a0
[ 2475.649490]  ? arch_local_irq_enable+0x50/0x50
[ 2475.654091]  ? trace_hardirqs_on+0x10/0x10
[ 2475.658339]  do_setlink+0x2653/0x3e10
[ 2475.662148]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2475.667164]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2475.672107]  ? validate_linkmsg+0xa40/0xa40
[ 2475.676429]  ? is_bpf_text_address+0xae/0x170
[ 2475.680927]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.685073]  ? lock_release+0xa30/0xa30
[ 2475.689050]  ? kasan_check_read+0x11/0x20
[ 2475.693226]  ? rcu_is_watching+0x8c/0x150
[ 2475.697379]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2475.702053]  ? trace_hardirqs_on+0x10/0x10
[ 2475.706308]  ? rb_erase_cached+0xc82/0x32c0
[ 2475.710633]  ? __kernel_text_address+0xd/0x40
[ 2475.715137]  ? rb_next+0x140/0x140
[ 2475.718684]  ? __save_stack_trace+0x8d/0xf0
[ 2475.723022]  ? trace_hardirqs_on+0x10/0x10
[ 2475.727254]  ? trace_hardirqs_on+0x10/0x10
[ 2475.731482]  ? __sanitizer_cov_trace_switch+0x53/0x90
[ 2475.736693]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2475.741705]  ? validate_linkmsg+0x277/0xa40
[ 2475.746024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2475.751552]  ? rtnl_stats_dump+0xaa0/0xaa0
[ 2475.755797]  ? validate_nla+0x7b0/0x7b0
[ 2475.759769]  rtnl_newlink+0x159a/0x1d60
[ 2475.763756]  ? rtnl_link_unregister+0x390/0x390
[ 2475.768423]  ? lock_release+0xa30/0xa30
[ 2475.772391]  ? lock_acquire+0x1e4/0x540
[ 2475.776354]  ? __unlock_page_memcg+0x53/0x100
[ 2475.780843]  ? trace_hardirqs_on+0x10/0x10
[ 2475.785073]  ? trace_hardirqs_on+0x10/0x10
[ 2475.789298]  ? kasan_check_read+0x11/0x20
[ 2475.793445]  ? lock_page_memcg+0xf2/0x300
[ 2475.797586]  ? lock_acquire+0x1e4/0x540
[ 2475.801551]  ? rtnetlink_rcv_msg+0x412/0xc30
[ 2475.805952]  ? lock_release+0xa30/0xa30
[ 2475.809915]  ? check_same_owner+0x340/0x340
[ 2475.814226]  ? rcu_note_context_switch+0x730/0x730
[ 2475.819156]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2475.823921]  ? kasan_check_write+0x14/0x20
[ 2475.828143]  ? __mutex_lock+0x6c4/0x1680
[ 2475.832194]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.836333]  ? rtnetlink_rcv_msg+0x412/0xc30
[ 2475.840734]  ? lock_release+0xa30/0xa30
[ 2475.844723]  ? mutex_trylock+0x2b0/0x2b0
[ 2475.848774]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2475.853433]  ? is_bpf_text_address+0xd7/0x170
[ 2475.857919]  ? kernel_text_address+0x79/0xf0
[ 2475.862342]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.866478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2475.872004]  ? rtnl_get_link+0x170/0x370
[ 2475.876058]  ? rtnl_dump_all+0x600/0x600
[ 2475.880110]  ? ns_capable_common+0x13f/0x170
[ 2475.884516]  ? rtnl_link_unregister+0x390/0x390
[ 2475.889176]  rtnetlink_rcv_msg+0x46e/0xc30
[ 2475.893413]  ? rtnetlink_put_metrics+0x690/0x690
[ 2475.898192]  netlink_rcv_skb+0x172/0x440
[ 2475.902260]  ? rtnetlink_put_metrics+0x690/0x690
[ 2475.907006]  ? netlink_ack+0xbe0/0xbe0
[ 2475.910906]  rtnetlink_rcv+0x1c/0x20
[ 2475.914608]  netlink_unicast+0x5a0/0x760
[ 2475.918664]  ? netlink_attachskb+0x9a0/0x9a0
[ 2475.923075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2475.928613]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2475.933625]  netlink_sendmsg+0xa18/0xfc0
[ 2475.937681]  ? netlink_unicast+0x760/0x760
[ 2475.941924]  ? move_addr_to_kernel.part.20+0x100/0x100
[ 2475.947204]  ? security_socket_sendmsg+0x94/0xc0
[ 2475.951959]  ? netlink_unicast+0x760/0x760
[ 2475.956184]  sock_sendmsg+0xd5/0x120
[ 2475.959886]  ___sys_sendmsg+0x7fd/0x930
[ 2475.963848]  ? find_vpid+0xf0/0xf0
[ 2475.967377]  ? copy_msghdr_from_user+0x580/0x580
[ 2475.972135]  ? __f_unlock_pos+0x19/0x20
[ 2475.976096]  ? lock_downgrade+0x8f0/0x8f0
[ 2475.980234]  ? proc_fail_nth_write+0x9e/0x210
[ 2475.984720]  ? __fget_light+0x2f7/0x440
[ 2475.988693]  ? fget_raw+0x20/0x20
[ 2475.992138]  ? kasan_check_write+0x14/0x20
[ 2475.996372]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2476.001301]  ? fsnotify+0xbac/0x14e0
[ 2476.005016]  ? vfs_write+0x2f3/0x560
[ 2476.008723]  ? wait_for_completion+0x8d0/0x8d0
[ 2476.013291]  ? lock_release+0xa30/0xa30
[ 2476.017260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2476.022788]  ? sockfd_lookup_light+0xc5/0x160
[ 2476.027273]  __sys_sendmsg+0x11d/0x290
[ 2476.031149]  ? __ia32_sys_shutdown+0x80/0x80
[ 2476.035560]  ? __sb_end_write+0xac/0xe0
[ 2476.039535]  ? fput+0x130/0x1a0
[ 2476.042803]  ? ksys_write+0x1ae/0x260
[ 2476.046600]  __x64_sys_sendmsg+0x78/0xb0
[ 2476.050656]  do_syscall_64+0x1b9/0x820
[ 2476.054531]  ? syscall_slow_exit_work+0x500/0x500
[ 2476.059366]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2476.064300]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2476.069223]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2476.074241]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2476.078911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2476.083752]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2476.088954] RIP: 0033:0x455e29
[ 2476.092139] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2476.111432] RSP: 002b:00007f039b297c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 2476.119145] RAX: ffffffffffffffda RBX: 00007f039b2986d4 RCX: 0000000000455e29
[ 2476.126411] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000014
[ 2476.133680] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[ 2476.140934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
[ 2476.148203] R13: 00000000004c1482 R14: 00000000004d1948 R15: 0000000000000003
08:32:41 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000904010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:41 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x70a0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2476.206945] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2476.229173] FAT-fs (loop6): bogus number of reserved sectors
[ 2476.235219] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2476.245648] FAT-fs (loop2): bogus logical sector size 2304
[ 2476.251453] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:41 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e2f6174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:41 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x1, &(0x7f0000001340)=[{&(0x7f0000001240)="ddf7054cb85be525584c74a84ceb551eabb7ae1d4ea84225970d01a7a2579d7e5348eae7979a17d503f6e7800959450b6b8a30c31a315ba02a081da71c72dbb5f4842a4e2da0eab4a88fadcfc1221fdede9b218cc5b4e66cdf97f8ccaa7a76e847d2a5aa9567f6626fe59a6fb67e82866280830874fc0610c44cd103c7994014d3f686170bbeed46174be3e908b64639407f6a338a8627f5f631d8a340a852f8972dbc2ff84cb41ec8239702706323d65f38b66947b8180ae42176f6b255c4c15fbc6b50acb3", 0xc6, 0x7}], 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2476.273385] FAT-fs (loop5): bogus number of reserved sectors
[ 2476.279429] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2476.293334] FAT-fs (loop4): bogus number of reserved sectors
[ 2476.299282] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2476.310692] FAT-fs (loop2): bogus logical sector size 2304
[ 2476.316531] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:41 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000009b)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:41 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2476.342047] FAT-fs (loop5): bogus number of reserved sectors
[ 2476.347980] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:41 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661744c0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:41 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:41 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x20a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2476.388110] FAT-fs (loop4): bogus number of reserved sectors
[ 2476.394035] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2476.411116] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:41 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2476.455642] FAT-fs (loop2): bogus logical sector size 768
[ 2476.461276] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2476.465820] FAT-fs (loop7): bogus logical sector size 1100
[ 2476.473204] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2476.488516] FAT-fs (loop5): bogus number of reserved sectors
[ 2476.494422] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2476.510631] FAT-fs (loop2): bogus logical sector size 768
[ 2476.516285] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2476.522428] FAT-fs (loop4): bogus number of reserved sectors
[ 2476.528355] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2476.538446] FAT-fs (loop6): bogus number of reserved sectors
[ 2476.542376] FAT-fs (loop7): bogus logical sector size 1100
[ 2476.544557] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2476.550039] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2476.564806] FAT-fs (loop5): bogus number of reserved sectors
[ 2476.570727] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2476.581758] FAT-fs (loop4): bogus number of reserved sectors
[ 2476.587693] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:42 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
bpf$OBJ_GET_PROG(0x7, &(0x7f0000000240)={&(0x7f0000000140)='./file0\x00', 0x0, 0x10}, 0x10)

08:32:42 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x63}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:42 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174006304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:42 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174680404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:42 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x400000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:42 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:42 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfffffff4}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2477.228708] FAT-fs (loop7): bogus logical sector size 1128
[ 2477.234476] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2477.253393] FAT-fs (loop5): bogus number of reserved sectors
[ 2477.259328] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2477.270750] FAT-fs (loop2): bogus logical sector size 25344
[ 2477.272133] FAT-fs (loop7): bogus logical sector size 1128
[ 2477.276771] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2477.282412] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2477.297062] FAT-fs (loop4): bogus number of reserved sectors
[ 2477.299610] FAT-fs (loop6): bogus number of reserved sectors
[ 2477.302984] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2477.308888] FAT-fs (loop6): Can't find a valid FAT filesystem
08:32:42 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x20000010}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:42 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174740404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:42 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000aa)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2477.339346] FAT-fs (loop5): bogus number of reserved sectors
[ 2477.345270] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2477.378349] FAT-fs (loop2): bogus logical sector size 25344
08:32:42 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x1000000, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2477.384186] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:42 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x80a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2477.411868] FAT-fs (loop7): bogus logical sector size 1140
[ 2477.416830] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2477.417595] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2477.441786] FAT-fs (loop4): bogus number of reserved sectors
[ 2477.447710] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:42 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000a04010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2477.475431] FAT-fs (loop6): bogus number of reserved sectors
[ 2477.481495] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2477.491087] FAT-fs (loop5): bogus number of reserved sectors
[ 2477.497448] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2477.509920] FAT-fs (loop7): bogus logical sector size 1140
[ 2477.515674] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:42 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4c00000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:43 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0xf}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2477.526979] FAT-fs (loop2): bogus logical sector size 2560
[ 2477.532729] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2477.566868] FAT-fs (loop5): bogus number of reserved sectors
08:32:43 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000904010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2477.571686] FAT-fs (loop4): bogus number of reserved sectors
[ 2477.572886] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2477.578717] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2477.592761] FAT-fs (loop2): bogus logical sector size 2560
[ 2477.598512] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2477.626206] FAT-fs (loop4): bogus number of reserved sectors
[ 2477.632145] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2477.646364] FAT-fs (loop7): bogus logical sector size 2304
[ 2477.652381] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2477.682926] FAT-fs (loop7): bogus logical sector size 2304
[ 2477.688680] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:43 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040)={<r1=>0x0}, &(0x7f0000000380)=0xc)
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r4 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000340)='id_legacy\x00', r3}, 0x10)
r5 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r5, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r5, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x3fe, @link_local={0x1, 0x80, 0xc2}}, 0x10)
getsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000140)={<r6=>0x0, 0xf442}, &(0x7f0000000240)=0x8)
getsockopt$inet_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f00000002c0)=@sack_info={r6, 0x3, 0x7fff}, &(0x7f0000000300)=0xc)

08:32:43 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x24}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:43 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:43 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:43 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xa9040000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:43 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x7fffffffffffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:43 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174400304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:43 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000043)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:43 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x4f73}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2478.324874] FAT-fs (loop4): bogus number of reserved sectors
[ 2478.324933] FAT-fs (loop7): bogus logical sector size 832
[ 2478.330854] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2478.335599] FAT-fs (loop6): bogus number of reserved sectors
[ 2478.336538] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2478.342441] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2478.344759] FAT-fs (loop5): bogus number of reserved sectors
[ 2478.366097] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:43 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@rodir='rodir', 0x2c}, {@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:43 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e66617400f004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2478.403668] FAT-fs (loop4): bogus number of reserved sectors
[ 2478.409627] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2478.438059] FAT-fs (loop5): bogus number of reserved sectors
[ 2478.443961] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:43 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xfffffff6}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:43 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc427000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2478.478429] FAT-fs (loop6): bogus number of reserved sectors
[ 2478.484501] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2478.492862] FAT-fs (loop7): bogus logical sector size 832
[ 2478.498536] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:44 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2478.528357] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2478.528836] FAT-fs (loop2): bogus logical sector size 61440
[ 2478.540848] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2478.564983] FAT-fs (loop5): bogus number of reserved sectors
[ 2478.570913] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:44 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661746c0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:44 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x9effffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2478.582265] FAT-fs (loop4): bogus number of reserved sectors
[ 2478.588168] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2478.600947] FAT-fs (loop6): bogus number of reserved sectors
[ 2478.604190] FAT-fs (loop4): bogus number of reserved sectors
[ 2478.606926] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2478.618750] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2478.627811] FAT-fs (loop5): bogus number of reserved sectors
[ 2478.629997] FAT-fs (loop7): bogus logical sector size 1132
[ 2478.633760] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2478.639367] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2478.661680] FAT-fs (loop2): bogus logical sector size 61440
[ 2478.667617] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2478.679691] FAT-fs (loop7): bogus logical sector size 1132
[ 2478.685430] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2478.708136] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:44 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x3, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
ioctl$KVM_CREATE_PIT2(r2, 0x4040ae77, &(0x7f0000000140)={0x10001})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:44 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7226}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:44 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:44 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf0ffffff00000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:44 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000f04010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:44 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174400204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:44 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfeffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:44 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000034)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2479.392902] FAT-fs (loop7): bogus logical sector size 576
[ 2479.398576] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2479.406126] FAT-fs (loop2): bogus logical sector size 3840
[ 2479.406503] FAT-fs (loop6): bogus number of reserved sectors
[ 2479.411869] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2479.417810] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2479.432880] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.438773] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2479.447202] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:45 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2479.489252] FAT-fs (loop7): bogus logical sector size 576
[ 2479.495048] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2479.502417] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.508313] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2479.523903] FAT-fs (loop4): bogus number of reserved sectors
[ 2479.529839] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:45 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf6ffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:45 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174020404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:45 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000240)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000000140)={<r2=>0xffffffffffffffff}, 0x0, 0x1}}, 0x20)
write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f00000002c0)={0x3, 0x40, 0xfa00, {{0xa, 0x4e20, 0x5, @empty, 0x4}, {0xa, 0x4e24, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, r2, 0xff}}, 0x48)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

[ 2479.567706] FAT-fs (loop2): bogus logical sector size 3840
[ 2479.573469] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2479.580757] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2479.597256] FAT-fs (loop4): bogus number of reserved sectors
[ 2479.603152] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:45 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:45 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2479.635260] FAT-fs (loop7): bogus logical sector size 1026
[ 2479.641043] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2479.649819] FAT-fs (loop6): bogus number of reserved sectors
[ 2479.655830] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2479.669821] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.675748] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:45 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc327000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2479.697926] FAT-fs (loop7): bogus logical sector size 1026
[ 2479.703670] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:45 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:45 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740c0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2479.740194] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.746116] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:45 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:45 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa0d}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2479.790993] FAT-fs (loop4): bogus number of reserved sectors
[ 2479.796924] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2479.822292] FAT-fs (loop2): bogus logical sector size 5120
[ 2479.828050] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2479.841868] FAT-fs (loop7): bogus logical sector size 1036
[ 2479.847636] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2479.873487] FAT-fs (loop4): bogus number of reserved sectors
[ 2479.875095] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2479.879411] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:45 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x3000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2479.882623] FAT-fs (loop2): bogus logical sector size 5120
[ 2479.889836] FAT-fs (loop6): bogus number of reserved sectors
[ 2479.892410] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2479.898049] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2479.914542] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.921641] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2479.927846] FAT-fs (loop7): bogus logical sector size 1036
[ 2479.933631] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:45 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:45 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x9000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:45 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174070404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2479.958460] FAT-fs (loop5): bogus number of reserved sectors
[ 2479.964363] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2480.005152] FAT-fs (loop6): bogus number of reserved sectors
[ 2480.011076] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2480.038144] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2480.060534] FAT-fs (loop7): bogus logical sector size 1031
[ 2480.066331] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2480.084175] FAT-fs (loop4): bogus number of reserved sectors
[ 2480.090108] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2480.108159] FAT-fs (loop7): bogus logical sector size 1031
[ 2480.113895] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2480.127042] FAT-fs (loop4): bogus number of reserved sectors
[ 2480.132938] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:45 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000077)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:45 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000414010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:45 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:45 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa07}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2480.425102] FAT-fs (loop2): bogus sectors per cluster 20
[ 2480.426596] FAT-fs (loop5): bogus number of reserved sectors
[ 2480.430653] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2480.437252] FAT-fs (loop6): bogus number of reserved sectors
[ 2480.442684] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2480.454467] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2480.471290] FAT-fs (loop5): bogus number of reserved sectors
[ 2480.472930] FAT-fs (loop2): bogus sectors per cluster 20
[ 2480.477307] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2480.482662] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:46 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x2000)=nil, 0x2000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f00000005c0)={<r3=>0x0, @in={{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, 0xff, 0x4, 0x100000001, 0x3, 0x9}, &(0x7f0000000380)=0x98)
setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r2, 0x84, 0xa, &(0x7f00000003c0)={0xffffffffffff84fc, 0x7, 0x0, 0xfffffffffffffffd, 0x3, 0x200, 0x236, 0x5, r3}, 0x20)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x3, 0x0)
getsockopt$inet_sctp_SCTP_STATUS(r2, 0x84, 0xe, &(0x7f00000002c0)={0x0, 0x80, 0x1, 0x7, 0x7, 0x5, 0xc79, 0x0, {<r5=>0x0, @in={{0x2, 0x4e24, @multicast1=0xe0000001}}, 0x8, 0x9, 0x81, 0xdd, 0x8000}}, &(0x7f0000000140)=0xb0)
getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000440)={r5, 0x1, 0x30, 0x2, 0x1}, &(0x7f0000000480)=0x18)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r2, 0x84, 0x1f, &(0x7f0000000500)={r5, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x9, 0x80000000}, &(0x7f0000000240)=0x90)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r0, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:46 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x6}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:46 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}]})

08:32:46 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174230404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:46 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x2000}, {&(0x7f0000000780)="68f37a52bd948b22bd6f90198ef37d2206606e492a4bc1c2e7be0e609bf078648045df0fa9e7f8344b7ea421f8c59d10c08470e73d8184d7c67aee76f9b7fcbb5fc0dcbee65a07df4e5b27b4990c8f051bab19a4d3a63576b7027e1772a82e58f7f5482bc58b0830a021e0a8c75a7a5d4c7d86cb424bb47ad43292d7ae87a0ff02c5159088f15ab4da5ca9ab5fd9bd0d83bd6679d2892c4c296f5e920a889264157f36d3a5d41532b2bc7e73474ecdf3a175b2d967e9b1e1524cae7e022d2a49200fda72f497ea388d70edb646cab50ab18f37e34ae240b7de7ffbafe1ec20b87dd28dcdf3c8a96cca28343f672a72e2c5e060b646945fc396c134483c8244fae9d45b19f68503a71d536b2ccdf147e23b51598337411e63e321cf5c5af58203b0f0cab7ec76d9acf2c46c4ff15d2b96061b0930a52e75eddf3c17882d78206986d6b1f15ec404af646bf86ebda70580dc7b6d14faa8c7180ada6d05a996f84f881a2ea322330bb571ec7215fe7aeac871a98de01a", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:46 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e66617400040a010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:46 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x40a0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2480.747364] FAT-fs (loop6): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 2480.747872] FAT-fs (loop7): bogus logical sector size 1059
[ 2480.764265] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2480.770558] FAT-fs (loop2): bogus sectors per cluster 10
[ 2480.776422] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2480.785480] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:46 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
process_vm_writev(r1, &(0x7f0000000140), 0x0, &(0x7f00000003c0)=[{&(0x7f0000000240)=""/12, 0xc}, {&(0x7f00000002c0)=""/236, 0xec}, {&(0x7f0000000500)=""/198, 0xc6}], 0x3, 0x0)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

[ 2480.815729] FAT-fs (loop6): bogus number of reserved sectors
[ 2480.821676] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2480.832481] FAT-fs (loop2): bogus sectors per cluster 10
[ 2480.836178] FAT-fs (loop7): bogus logical sector size 1059
[ 2480.838112] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2480.843669] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2480.859757] FAT-fs (loop4): bogus number of reserved sectors
08:32:46 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x2}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:46 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}]})

[ 2480.865770] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2480.875437] FAT-fs (loop5): bogus number of reserved sectors
[ 2480.881353] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:46 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174060404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:46 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004f0010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2480.932169] FAT-fs (loop6): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 2480.944696] FAT-fs (loop6): bogus number of reserved sectors
[ 2480.950697] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2480.965950] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2480.972502] FAT-fs (loop5): bogus number of reserved sectors
[ 2480.972514] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2480.975195] FAT-fs (loop4): bogus number of reserved sectors
[ 2480.990798] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2481.001597] FAT-fs (loop7): bogus logical sector size 1030
[ 2481.003666] FAT-fs (loop2): bogus sectors per cluster 240
[ 2481.007339] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2481.012887] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2481.047324] FAT-fs (loop2): bogus sectors per cluster 240
[ 2481.053165] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2481.060041] FAT-fs (loop7): bogus logical sector size 1030
[ 2481.065829] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:46 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000117)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:46 executing program 6:
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}]})

08:32:46 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc0ed0000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:46 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa00000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:46 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfffffffe}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:46 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174930404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:46 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000403010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2481.398428] FAT-fs (loop7): bogus logical sector size 1171
[ 2481.404166] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2481.412834] FAT-fs (loop6): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 2481.416123] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.430124] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2481.436829] FAT-fs (loop4): bogus number of reserved sectors
[ 2481.437575] FAT-fs (loop6): bogus number of reserved sectors
[ 2481.442726] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2481.443512] FAT-fs (loop2): bogus sectors per cluster 3
[ 2481.448795] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2481.466031] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2481.478818] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2481.488477] FAT-fs (loop7): bogus logical sector size 1171
08:32:46 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:47 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174100004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2481.494261] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2481.516344] FAT-fs (loop4): bogus number of reserved sectors
[ 2481.522285] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2481.523544] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.534076] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:47 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4527000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2481.558249] FAT-fs (loop2): bogus sectors per cluster 3
[ 2481.563753] FAT-fs (loop2): Can't find a valid FAT filesystem
08:32:47 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x23}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2481.613795] FAT-fs (loop7): bogus logical sector size 16
[ 2481.619412] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2481.628180] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2481.658757] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.664825] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2481.671508] FAT-fs (loop4): bogus number of reserved sectors
[ 2481.677522] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2481.687559] FAT-fs (loop7): bogus logical sector size 16
[ 2481.693170] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2481.702224] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.708236] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2481.718505] FAT-fs (loop4): bogus number of reserved sectors
[ 2481.724441] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:47 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
ioctl$SNDRV_SEQ_IOCTL_PVERSION(r0, 0x80045300, &(0x7f00000003c0))
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000440)='/dev/snd/pcmC#D#c\x00', 0x1000, 0x10d800)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
connect(r0, &(0x7f0000000500)=@ethernet={0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x80)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r2, 0x84, 0x66, &(0x7f0000000140)={<r3=>0x0, 0x8}, &(0x7f0000000240)=0x8)
getsockopt$inet_sctp_SCTP_PEER_AUTH_CHUNKS(r2, 0x84, 0x1a, &(0x7f00000002c0)=ANY=[@ANYRES32=r3, @ANYBLOB="8f00000021bbd0f8e50dd2251438b198a71966049194afa41d570876584085ae3d746364b36520fdd8cfcec16dcd3948beda79a5673b3b02f72967566380675b3263e1762ec6ac7d4ad5e30569bb9628134dcae47836d62c74a3187e65e65bce050b08bb7c9518ca4601c88dfd256ec93d27b13075e7963bb612058747a7ed9498d33300cfbcb1b6d40c3af59e1b2babe2776d"], &(0x7f0000000380)=0x97)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x80000001, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:47 executing program 6:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000077)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:47 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e66617400040f010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:47 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf4ffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:47 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x400000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2481.839148] FAT-fs (loop2): bogus sectors per cluster 15
[ 2481.844737] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2481.848929] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2481.891919] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.897831] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2481.912608] FAT-fs (loop2): bogus sectors per cluster 15
[ 2481.918267] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2481.948861] FAT-fs (loop5): bogus number of reserved sectors
[ 2481.954774] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:47 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000a1)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:47 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000a04010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:47 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4aa}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:47 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000140)=<r1=>0x0)
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:47 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:47 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000402010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:47 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xc0a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2482.483778] FAT-fs (loop5): bogus number of reserved sectors
[ 2482.489718] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2482.501550] FAT-fs (loop7): bogus logical sector size 2560
[ 2482.501598] FAT-fs (loop4): bogus number of reserved sectors
[ 2482.507305] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2482.513144] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:48 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000410010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:48 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x6800}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2482.536834] FAT-fs (loop5): bogus number of reserved sectors
[ 2482.542756] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2482.548127] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2482.568920] FAT-fs (loop7): bogus logical sector size 2560
[ 2482.574670] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:48 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x4000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:48 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174040404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:48 executing program 6:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e2e6174000404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2482.628149] FAT-fs (loop4): bogus number of reserved sectors
[ 2482.631874] FAT-fs (loop5): bogus number of reserved sectors
[ 2482.634216] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2482.639931] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:48 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xa904000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:48 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000463010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2482.686311] FAT-fs (loop7): bogus logical sector size 1028
[ 2482.692059] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2482.717381] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:48 executing program 6 (fault-call:1 fault-nth:0):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2482.742183] FAT-fs (loop5): bogus number of reserved sectors
[ 2482.747110] FAT-fs (loop7): bogus logical sector size 1028
[ 2482.748321] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2482.753787] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2482.769675] FAT-fs (loop2): bogus sectors per cluster 99
[ 2482.775298] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2482.785883] FAT-fs (loop4): bogus number of reserved sectors
08:32:48 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2482.791795] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2482.830286] FAT-fs (loop2): bogus sectors per cluster 99
[ 2482.835870] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2482.836744] FAULT_INJECTION: forcing a failure.
[ 2482.836744] name failslab, interval 1, probability 0, space 0, times 0
[ 2482.848468] FAT-fs (loop4): bogus number of reserved sectors
[ 2482.853123] CPU: 1 PID: 29504 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2482.858914] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2482.867284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2482.867289] Call Trace:
[ 2482.867318]  dump_stack+0x1c9/0x2b4
[ 2482.867339]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2482.893956]  ? get_pid_task+0xd8/0x1a0
[ 2482.896681] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2482.897850]  ? perf_trace_lock+0xde/0x920
[ 2482.897871]  should_fail.cold.4+0xa/0x11
[ 2482.897888]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2482.917694]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[ 2482.922630]  ? lock_downgrade+0x8f0/0x8f0
[ 2482.926803]  ? proc_fail_nth_write+0x9e/0x210
[ 2482.931320]  ? lock_acquire+0x1e4/0x540
[ 2482.935304]  ? fs_reclaim_acquire+0x20/0x20
[ 2482.939640]  ? lock_downgrade+0x8f0/0x8f0
[ 2482.943800]  ? check_same_owner+0x340/0x340
[ 2482.948128]  ? rcu_note_context_switch+0x730/0x730
[ 2482.953065]  __should_failslab+0x124/0x180
[ 2482.957303]  should_failslab+0x9/0x14
[ 2482.961104]  __kmalloc+0x2c8/0x760
[ 2482.964650]  ? strncpy_from_user+0x510/0x510
[ 2482.969062]  ? fput+0x130/0x1a0
[ 2482.972344]  ? __x64_sys_memfd_create+0x142/0x4f0
[ 2482.977190]  __x64_sys_memfd_create+0x142/0x4f0
[ 2482.981867]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 2482.987408]  ? memfd_fcntl+0x1e80/0x1e80
[ 2482.991478]  do_syscall_64+0x1b9/0x820
[ 2482.995366]  ? finish_task_switch+0x1d3/0x870
[ 2482.999865]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2483.004796]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2483.009726]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2483.014745]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2483.019767]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2483.024467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2483.029321]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2483.034516] RIP: 0033:0x455e29
[ 2483.037701] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2483.057013] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
[ 2483.064728] RAX: ffffffffffffffda RBX: 0000000020001340 RCX: 0000000000455e29
[ 2483.072000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004baa70
[ 2483.079269] RBP: 000000000072bea0 R08: 0000000000000000 R09: 00000000fbad8001
[ 2483.086534] R10: 0000000020001340 R11: 0000000000000246 R12: 0000000000000014
[ 2483.093802] R13: 00000000004c26f8 R14: 00000000004d3fd0 R15: 0000000000000000
08:32:48 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000e6)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:48 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x8002}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:48 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740a0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:48 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7726000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:48 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000409010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:48 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:48 executing program 6 (fault-call:1 fault-nth:1):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:48 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
ioctl$TIOCCBRK(r0, 0x5428)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
fanotify_mark(r0, 0x40, 0x40000000, r2, &(0x7f0000000140)='./file0/file0\x00')
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

[ 2483.530706] FAULT_INJECTION: forcing a failure.
[ 2483.530706] name failslab, interval 1, probability 0, space 0, times 0
[ 2483.532580] FAT-fs (loop2): bogus sectors per cluster 9
[ 2483.542053] CPU: 1 PID: 29523 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2483.542070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2483.547451] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2483.555815] Call Trace:
[ 2483.555845]  dump_stack+0x1c9/0x2b4
[ 2483.555862]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2483.555885]  ? perf_trace_lock+0xde/0x920
[ 2483.586639]  should_fail.cold.4+0xa/0x11
[ 2483.590709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2483.595826]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2483.597878] FAT-fs (loop4): bogus number of reserved sectors
[ 2483.600849]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2483.600875]  ? lock_downgrade+0x8f0/0x8f0
[ 2483.600891]  ? zap_class+0x740/0x740
[ 2483.600910]  ? lock_acquire+0x1e4/0x540
[ 2483.606721] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2483.611434]  ? fs_reclaim_acquire+0x20/0x20
[ 2483.611448]  ? lock_downgrade+0x8f0/0x8f0
[ 2483.611473]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2483.642559]  ? check_same_owner+0x340/0x340
[ 2483.646883]  ? rcu_note_context_switch+0x730/0x730
[ 2483.651814]  ? iterate_fd+0x4b0/0x4b0
[ 2483.655618]  __should_failslab+0x124/0x180
[ 2483.659858]  should_failslab+0x9/0x14
[ 2483.663660]  kmem_cache_alloc+0x2af/0x760
[ 2483.667813]  ? lock_downgrade+0x8f0/0x8f0
[ 2483.671968]  ? shmem_destroy_callback+0xc0/0xc0
[ 2483.676638]  shmem_alloc_inode+0x1b/0x40
[ 2483.680700]  alloc_inode+0x63/0x190
[ 2483.684330]  new_inode_pseudo+0x71/0x1a0
[ 2483.688390]  ? prune_icache_sb+0x1b0/0x1b0
[ 2483.692628]  ? _raw_spin_unlock+0x22/0x30
[ 2483.696778]  new_inode+0x1c/0x40
[ 2483.700149]  shmem_get_inode+0xf1/0x910
[ 2483.704125]  ? shmem_encode_fh+0x340/0x340
[ 2483.708384]  ? lock_downgrade+0x8f0/0x8f0
[ 2483.712536]  ? lock_release+0xa30/0xa30
[ 2483.716509]  ? check_same_owner+0x340/0x340
[ 2483.720831]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2483.725851]  ? __check_object_size+0x9d/0x5f2
[ 2483.730356]  __shmem_file_setup.part.48+0x83/0x2a0
[ 2483.735289]  shmem_file_setup+0x65/0x90
[ 2483.739272]  __x64_sys_memfd_create+0x2af/0x4f0
[ 2483.743946]  ? memfd_fcntl+0x1e80/0x1e80
[ 2483.748015]  do_syscall_64+0x1b9/0x820
[ 2483.751902]  ? finish_task_switch+0x1d3/0x870
[ 2483.756400]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2483.761333]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2483.766265]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2483.771282]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2483.776307]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2483.781002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2483.785855]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2483.791044] RIP: 0033:0x455e29
[ 2483.794236] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2483.813995] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
[ 2483.821894] RAX: ffffffffffffffda RBX: 0000000020001340 RCX: 0000000000455e29
[ 2483.829179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004baa70
[ 2483.836454] RBP: 000000000072bea0 R08: 0000000000000000 R09: 00000000fbad8001
[ 2483.843723] R10: 0000000020001340 R11: 0000000000000246 R12: 0000000000000014
[ 2483.850992] R13: 00000000004c26f8 R14: 00000000004d3fd0 R15: 0000000000000001
[ 2483.863254] FAT-fs (loop7): bogus logical sector size 1034
[ 2483.868997] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:49 executing program 6 (fault-call:1 fault-nth:2):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2483.876904] FAT-fs (loop5): bogus number of reserved sectors
[ 2483.882874] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2483.896868] FAT-fs (loop4): bogus number of reserved sectors
[ 2483.897876] FAT-fs (loop2): bogus sectors per cluster 9
[ 2483.902840] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2483.908281] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2483.909829] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2483.923785] FAT-fs (loop7): bogus logical sector size 1034
[ 2483.932903] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2483.954313] FAT-fs (loop5): bogus number of reserved sectors
[ 2483.956829] FAULT_INJECTION: forcing a failure.
[ 2483.956829] name failslab, interval 1, probability 0, space 0, times 0
[ 2483.960284] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2483.971486] CPU: 1 PID: 29541 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2483.985764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2483.995136] Call Trace:
[ 2483.997744]  dump_stack+0x1c9/0x2b4
[ 2484.001386]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2484.006583]  ? perf_trace_lock+0xde/0x920
[ 2484.010743]  should_fail.cold.4+0xa/0x11
[ 2484.014827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2484.019948]  ? trace_hardirqs_on+0x10/0x10
[ 2484.024213]  ? __kernel_text_address+0xd/0x40
[ 2484.028717]  ? unwind_get_return_address+0x61/0xa0
[ 2484.033662]  ? __save_stack_trace+0x8d/0xf0
[ 2484.038000]  ? zap_class+0x740/0x740
[ 2484.041718]  ? perf_trace_lock+0xde/0x920
[ 2484.045870]  ? perf_trace_lock+0xde/0x920
[ 2484.050020]  ? save_stack+0x43/0xd0
[ 2484.053652]  ? __lockdep_init_map+0x105/0x590
[ 2484.058157]  ? lock_acquire+0x1e4/0x540
[ 2484.062132]  ? fs_reclaim_acquire+0x20/0x20
[ 2484.066455]  ? lock_downgrade+0x8f0/0x8f0
[ 2484.070602]  ? do_raw_write_unlock.cold.8+0x49/0x49
[ 2484.075626]  ? check_same_owner+0x340/0x340
[ 2484.079948]  ? rcu_note_context_switch+0x730/0x730
[ 2484.084881]  __should_failslab+0x124/0x180
[ 2484.089125]  should_failslab+0x9/0x14
[ 2484.092929]  kmem_cache_alloc+0x2af/0x760
[ 2484.097083]  ? lockdep_init_map+0x9/0x10
[ 2484.101144]  ? __rwlock_init+0x2d/0x140
[ 2484.105119]  __d_alloc+0xc8/0xd50
[ 2484.108577]  ? mpol_set_shared_policy+0x9d0/0x9d0
[ 2484.113434]  ? shrink_dcache_for_umount+0x2b0/0x2b0
[ 2484.118464]  ? ktime_get_coarse_real_ts64+0x243/0x3a0
[ 2484.123657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2484.129197]  ? timespec64_trunc+0xea/0x180
[ 2484.133435]  ? inode_init_owner+0x340/0x340
[ 2484.137763]  ? _raw_spin_unlock+0x22/0x30
[ 2484.141918]  ? current_time+0x131/0x1b0
[ 2484.145894]  ? timespec64_trunc+0x180/0x180
[ 2484.150216]  ? __lockdep_init_map+0x105/0x590
[ 2484.155449]  d_alloc_pseudo+0x1d/0x30
[ 2484.159252]  alloc_file_pseudo+0x158/0x3f0
[ 2484.163859]  ? alloc_file+0x3e0/0x3e0
[ 2484.167661]  ? check_same_owner+0x340/0x340
[ 2484.171986]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2484.177002]  ? __check_object_size+0x9d/0x5f2
[ 2484.181501]  ? kasan_check_write+0x14/0x20
[ 2484.185743]  __shmem_file_setup.part.48+0x110/0x2a0
[ 2484.190762]  shmem_file_setup+0x65/0x90
[ 2484.194742]  __x64_sys_memfd_create+0x2af/0x4f0
[ 2484.199416]  ? memfd_fcntl+0x1e80/0x1e80
[ 2484.203485]  do_syscall_64+0x1b9/0x820
[ 2484.207376]  ? syscall_slow_exit_work+0x500/0x500
[ 2484.212227]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2484.217160]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2484.222094]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2484.227115]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2484.231789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2484.236648]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2484.242013] RIP: 0033:0x455e29
[ 2484.245365] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2484.264903] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
[ 2484.272614] RAX: ffffffffffffffda RBX: 0000000020001340 RCX: 0000000000455e29
08:32:49 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404080a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2484.279983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004baa70
[ 2484.287249] RBP: 000000000072bea0 R08: 0000000000000000 R09: 00000000fbad8001
[ 2484.294519] R10: 0000000020001340 R11: 0000000000000246 R12: 0000000000000014
[ 2484.301790] R13: 00000000004c26f8 R14: 00000000004d3fd0 R15: 0000000000000002
08:32:49 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661747a0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:49 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xffffff8c}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:49 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x6800}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:49 executing program 6 (fault-call:1 fault-nth:3):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:49 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404000a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:49 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffff7f00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2484.392610] FAULT_INJECTION: forcing a failure.
[ 2484.392610] name failslab, interval 1, probability 0, space 0, times 0
[ 2484.403970] CPU: 1 PID: 29553 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2484.412402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2484.418282] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2484.421797] Call Trace:
[ 2484.421827]  dump_stack+0x1c9/0x2b4
[ 2484.421848]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2484.421868]  ? perf_trace_lock+0xde/0x920
[ 2484.421891]  should_fail.cold.4+0xa/0x11
[ 2484.448001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2484.453125]  ? zap_class+0x740/0x740
[ 2484.456858]  ? trace_hardirqs_on+0x10/0x10
[ 2484.461155]  ? lock_acquire+0x1e4/0x540
[ 2484.465148]  ? percpu_ref_put_many+0x119/0x240
[ 2484.469744]  ? lock_downgrade+0x8f0/0x8f0
[ 2484.473905]  ? lock_release+0xa30/0xa30
[ 2484.477892]  ? memcg_kmem_get_cache+0x3a9/0x9d0
[ 2484.482601]  ? mem_cgroup_handle_over_high+0x130/0x130
[ 2484.487898]  ? fs_reclaim_acquire+0x20/0x20
[ 2484.492245]  ? lock_downgrade+0x8f0/0x8f0
[ 2484.496423]  ? lock_acquire+0x1e4/0x540
[ 2484.500422]  ? fs_reclaim_acquire+0x20/0x20
[ 2484.504755]  ? lock_downgrade+0x8f0/0x8f0
[ 2484.508917]  ? check_same_owner+0x340/0x340
[ 2484.513246]  ? rcu_note_context_switch+0x730/0x730
[ 2484.518187]  ? kasan_check_read+0x11/0x20
[ 2484.522342]  __should_failslab+0x124/0x180
[ 2484.526581]  should_failslab+0x9/0x14
[ 2484.530391]  kmem_cache_alloc+0x2af/0x760
[ 2484.534548]  __get_empty_filp+0x11b/0x620
[ 2484.538706]  ? d_instantiate+0x79/0xa0
08:32:50 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000d2)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:50 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf0ffffffffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:50 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000240)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
ioctl$KDSKBMETA(r3, 0x4b63, &(0x7f0000000000)=0x588)

[ 2484.542600]  ? proc_nr_files+0x60/0x60
[ 2484.546503]  ? kasan_check_read+0x11/0x20
[ 2484.550654]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2484.555070]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2484.559672]  ? kasan_check_write+0x14/0x20
[ 2484.563924]  ? do_raw_spin_lock+0xc1/0x200
[ 2484.568199]  alloc_file+0x29/0x3e0
[ 2484.571750]  alloc_file_pseudo+0x267/0x3f0
[ 2484.576009]  ? alloc_file+0x3e0/0x3e0
[ 2484.579830]  ? check_same_owner+0x340/0x340
[ 2484.584162]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2484.589192]  ? __check_object_size+0x9d/0x5f2
[ 2484.593707]  ? kasan_check_write+0x14/0x20
[ 2484.597960]  __shmem_file_setup.part.48+0x110/0x2a0
[ 2484.603000]  shmem_file_setup+0x65/0x90
[ 2484.607031]  __x64_sys_memfd_create+0x2af/0x4f0
[ 2484.611711]  ? memfd_fcntl+0x1e80/0x1e80
[ 2484.615791]  do_syscall_64+0x1b9/0x820
[ 2484.619684]  ? finish_task_switch+0x1d3/0x870
[ 2484.622945] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2484.624225]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2484.624242]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2484.624258]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2484.624272]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2484.624289]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2484.655311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2484.660171]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2484.665375] RIP: 0033:0x455e29
[ 2484.668559] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
08:32:50 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x4000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2484.687857] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
[ 2484.695579] RAX: ffffffffffffffda RBX: 0000000020001340 RCX: 0000000000455e29
[ 2484.702876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004baa70
[ 2484.710153] RBP: 000000000072bea0 R08: 0000000000000000 R09: 00000000fbad8001
[ 2484.717426] R10: 0000000020001340 R11: 0000000000000246 R12: 0000000000000014
[ 2484.724730] R13: 00000000004c26f8 R14: 00000000004d3fd0 R15: 0000000000000003
08:32:50 executing program 6 (fault-call:1 fault-nth:4):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2484.744265] FAT-fs (loop4): bogus number of reserved sectors
[ 2484.750228] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2484.756698] FAT-fs (loop5): bogus number of reserved sectors
[ 2484.762612] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2484.769526] FAT-fs (loop7): bogus logical sector size 1146
[ 2484.775271] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2484.778210] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2484.813413] FAT-fs (loop4): bogus number of reserved sectors
[ 2484.819341] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2484.825754] FAT-fs (loop7): bogus logical sector size 1146
[ 2484.831462] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2484.842488] FAULT_INJECTION: forcing a failure.
[ 2484.842488] name failslab, interval 1, probability 0, space 0, times 0
[ 2484.847532] FAT-fs (loop5): bogus number of reserved sectors
[ 2484.853842] CPU: 0 PID: 29585 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2484.859670] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2484.868017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2484.868025] Call Trace:
[ 2484.868056]  dump_stack+0x1c9/0x2b4
[ 2484.868079]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2484.868103]  ? perf_trace_lock+0x49d/0x920
[ 2484.868129]  should_fail.cold.4+0xa/0x11
[ 2484.868148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2484.868165]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2484.868181]  ? perf_trace_run_bpf_submit+0x270/0x3b0
[ 2484.868201]  ? perf_tp_event+0xc40/0xc40
[ 2484.868224]  ? lock_release+0xa30/0xa30
[ 2484.868239]  ? memcg_kmem_get_cache+0x3a9/0x9d0
[ 2484.868272]  ? lock_acquire+0x1e4/0x540
[ 2484.935159]  ? fs_reclaim_acquire+0x20/0x20
[ 2484.939500]  ? lock_downgrade+0x8f0/0x8f0
[ 2484.943675]  ? check_same_owner+0x340/0x340
[ 2484.948013]  ? rcu_note_context_switch+0x730/0x730
[ 2484.952957]  ? kasan_check_read+0x11/0x20
[ 2484.957120]  __should_failslab+0x124/0x180
08:32:50 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404060a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2484.961374]  should_failslab+0x9/0x14
[ 2484.965183]  kmem_cache_alloc+0x2af/0x760
[ 2484.969357]  __get_empty_filp+0x11b/0x620
[ 2484.973518]  ? d_instantiate+0x79/0xa0
[ 2484.977416]  ? proc_nr_files+0x60/0x60
[ 2484.981332]  ? kasan_check_read+0x11/0x20
[ 2484.985511]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2484.989930]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2484.994526]  ? kasan_check_write+0x14/0x20
[ 2484.998769]  ? do_raw_spin_lock+0xc1/0x200
[ 2485.003023]  alloc_file+0x29/0x3e0
[ 2485.006591]  alloc_file_pseudo+0x267/0x3f0
[ 2485.010870]  ? alloc_file+0x3e0/0x3e0
[ 2485.014779]  ? check_same_owner+0x340/0x340
[ 2485.019114]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2485.024143]  ? __check_object_size+0x9d/0x5f2
[ 2485.028659]  ? kasan_check_write+0x14/0x20
[ 2485.032915]  __shmem_file_setup.part.48+0x110/0x2a0
[ 2485.037951]  shmem_file_setup+0x65/0x90
[ 2485.041945]  __x64_sys_memfd_create+0x2af/0x4f0
[ 2485.046630]  ? memfd_fcntl+0x1e80/0x1e80
[ 2485.050722]  do_syscall_64+0x1b9/0x820
[ 2485.054618]  ? finish_task_switch+0x1d3/0x870
[ 2485.059132]  ? syscall_return_slowpath+0x5e0/0x5e0
08:32:50 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x734f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2485.064253]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2485.069209]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2485.074251]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2485.079291]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2485.083983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2485.090425]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2485.095628] RIP: 0033:0x455e29
08:32:50 executing program 6 (fault-call:1 fault-nth:5):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2485.098817] Code: 1d ba 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 b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2485.118410] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 000000000000013f
[ 2485.126135] RAX: ffffffffffffffda RBX: 0000000020001340 RCX: 0000000000455e29
[ 2485.133412] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000004baa70
[ 2485.140700] RBP: 000000000072bea0 R08: 0000000000000000 R09: 00000000fbad8001
[ 2485.147989] R10: 0000000020001340 R11: 0000000000000246 R12: 0000000000000014
[ 2485.155271] R13: 00000000004c26f8 R14: 00000000004d3fd0 R15: 0000000000000004
08:32:50 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x3f000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:50 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3f000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:50 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174c00104010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2485.244601] FAULT_INJECTION: forcing a failure.
[ 2485.244601] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2485.255184] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2485.256856] CPU: 0 PID: 29593 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2485.256869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2485.256876] Call Trace:
[ 2485.256901]  dump_stack+0x1c9/0x2b4
[ 2485.256929]  ? dump_stack_print_info.cold.2+0x52/0x52
08:32:50 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404140a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:50 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffff9e}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2485.275591] FAT-fs (loop7): bogus logical sector size 448
[ 2485.281262]  should_fail.cold.4+0xa/0x11
[ 2485.281292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2485.281318]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2485.281341]  ? perf_trace_lock+0x49d/0x920
[ 2485.281361]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2485.281380]  ? perf_trace_run_bpf_submit+0x270/0x3b0
[ 2485.281400]  ? perf_tp_event+0xc40/0xc40
[ 2485.281423]  ? memset+0x31/0x40
[ 2485.281442]  ? perf_trace_lock+0x49d/0x920
[ 2485.281462]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2485.281481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2485.281500]  ? should_fail+0x246/0xd86
[ 2485.284135] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2485.287772]  ? zap_class+0x740/0x740
[ 2485.287806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2485.368227]  ? perf_tp_event+0xc40/0xc40
[ 2485.372326]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2485.377031]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2485.381449] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2485.382063]  ? perf_trace_lock+0x49d/0x920
[ 2485.382087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2485.382120]  ? lock_acquire+0x1e4/0x540
[ 2485.382138]  ? fs_reclaim_acquire+0x20/0x20
[ 2485.382156]  ? lock_downgrade+0x8f0/0x8f0
[ 2485.382177]  ? lock_release+0xa30/0xa30
[ 2485.382197]  ? check_same_owner+0x340/0x340
[ 2485.382220]  cache_grow_begin+0x91/0x710
[ 2485.382246]  kmem_cache_alloc+0x689/0x760
[ 2485.382268]  ? do_sys_ftruncate+0x42d/0x560
[ 2485.431776]  ? lock_downgrade+0x8f0/0x8f0
[ 2485.436046]  getname_flags+0xd0/0x5a0
[ 2485.437739] FAT-fs (loop5): bogus number of reserved sectors
08:32:50 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffffc0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2485.439870]  getname+0x19/0x20
[ 2485.439889]  do_sys_open+0x3a2/0x720
[ 2485.439911]  ? filp_open+0x80/0x80
[ 2485.439943]  ? do_sys_ftruncate+0x44e/0x560
[ 2485.445767] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2485.448918]  __x64_sys_open+0x7e/0xc0
[ 2485.448940]  do_syscall_64+0x1b9/0x820
[ 2485.448959]  ? syscall_slow_exit_work+0x500/0x500
[ 2485.478942]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2485.483905]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2485.488866]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2485.493903]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2485.498593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2485.503473]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2485.508666] FAT-fs (loop4): bogus number of reserved sectors
[ 2485.508705] RIP: 0033:0x410081
[ 2485.514826] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2485.517685] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 
[ 2485.543063] RSP: 002b:00007fd0b961ea80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
[ 2485.550856] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000410081
[ 2485.558685] RDX: 00007fd0b961eafa RSI: 0000000000000002 RDI: 00007fd0b961eaf0
[ 2485.565971] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2485.574127] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000015
[ 2485.581429] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000005
[ 2485.594720] FAT-fs (loop6): bogus number of reserved sectors
[ 2485.600660] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2485.612614] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2485.635307] FAT-fs (loop7): bogus logical sector size 448
[ 2485.639775] FAT-fs (loop5): bogus number of reserved sectors
08:32:51 executing program 6 (fault-call:1 fault-nth:6):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:51 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000000a)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2485.641033] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2485.646776] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2485.671870] FAT-fs (loop4): bogus number of reserved sectors
[ 2485.677991] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2485.702177] FAULT_INJECTION: forcing a failure.
[ 2485.702177] name failslab, interval 1, probability 0, space 0, times 0
[ 2485.713631] CPU: 1 PID: 29623 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2485.722045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2485.731409] Call Trace:
[ 2485.734012]  dump_stack+0x1c9/0x2b4
[ 2485.737653]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2485.742883]  ? perf_trace_lock+0xde/0x920
[ 2485.747049]  should_fail.cold.4+0xa/0x11
[ 2485.751138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2485.756267]  ? perf_trace_lock+0xde/0x920
[ 2485.760443]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2485.765475]  ? trace_hardirqs_on+0x10/0x10
[ 2485.769758]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2485.774782]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2485.779551]  ? lock_acquire+0x1e4/0x540
[ 2485.783526]  ? fs_reclaim_acquire+0x20/0x20
[ 2485.787852]  ? lock_downgrade+0x8f0/0x8f0
[ 2485.792006]  ? check_same_owner+0x340/0x340
[ 2485.796329]  ? zap_class+0x740/0x740
[ 2485.800058]  ? rcu_note_context_switch+0x730/0x730
[ 2485.804990]  __should_failslab+0x124/0x180
[ 2485.809229]  should_failslab+0x9/0x14
[ 2485.813030]  kmem_cache_alloc+0x2af/0x760
[ 2485.817189]  __get_empty_filp+0x11b/0x620
[ 2485.821338]  ? proc_nr_files+0x60/0x60
[ 2485.825316]  ? lock_acquire+0x1e4/0x540
[ 2485.829290]  ? is_bpf_text_address+0xae/0x170
[ 2485.833788]  ? lock_downgrade+0x8f0/0x8f0
[ 2485.837940]  ? perf_trace_lock+0xde/0x920
[ 2485.842089]  path_openat+0x110/0x5430
[ 2485.845889]  ? zap_class+0x740/0x740
[ 2485.849605]  ? is_bpf_text_address+0xd7/0x170
[ 2485.854106]  ? kernel_text_address+0x79/0xf0
[ 2485.858518]  ? path_lookupat.isra.45+0xbf0/0xbf0
[ 2485.863276]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2485.868293]  ? expand_files.part.8+0x571/0x9c0
[ 2485.872876]  ? iterate_fd+0x4b0/0x4b0
[ 2485.876690]  ? lock_acquire+0x1e4/0x540
[ 2485.880671]  ? __alloc_fd+0x34e/0x710
[ 2485.884469]  ? lock_downgrade+0x8f0/0x8f0
[ 2485.888613]  ? do_sys_open+0x3a2/0x720
[ 2485.892507]  ? kasan_check_read+0x11/0x20
[ 2485.896655]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2485.901060]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2485.905641]  ? kasan_check_write+0x14/0x20
[ 2485.909872]  ? do_raw_spin_lock+0xc1/0x200
[ 2485.914110]  ? _raw_spin_unlock+0x22/0x30
[ 2485.918258]  ? __alloc_fd+0x34e/0x710
[ 2485.922056]  ? usercopy_warn+0x120/0x120
[ 2485.926126]  do_filp_open+0x255/0x380
[ 2485.929929]  ? may_open_dev+0x100/0x100
[ 2485.933906]  ? get_unused_fd_flags+0x122/0x1a0
[ 2485.938486]  ? __alloc_fd+0x710/0x710
[ 2485.942292]  do_sys_open+0x584/0x720
[ 2485.946019]  ? filp_open+0x80/0x80
[ 2485.949563]  ? do_sys_ftruncate+0x44e/0x560
[ 2485.953887]  __x64_sys_open+0x7e/0xc0
[ 2485.957773]  do_syscall_64+0x1b9/0x820
[ 2485.961659]  ? finish_task_switch+0x1d3/0x870
[ 2485.966156]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2485.971084]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2485.976011]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2485.981024]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2485.986040]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2485.990707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2485.995556]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2486.000752] RIP: 0033:0x410081
[ 2486.003931] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 d3 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 
[ 2486.023283] RSP: 002b:00007fd0b961ea80 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
[ 2486.030992] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000410081
[ 2486.038263] RDX: 00007fd0b961eafa RSI: 0000000000000002 RDI: 00007fd0b961eaf0
[ 2486.045533] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
08:32:51 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x3})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
getpgid(r1)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x80, &(0x7f00000012c0)={0x1a, 0x304, 0x4, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:51 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfeffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:51 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404230a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:51 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa6040000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:51 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174800104010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2486.052805] R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000015
[ 2486.060071] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000006
08:32:51 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x68000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:51 executing program 6 (fault-call:1 fault-nth:7):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2486.131858] FAT-fs (loop5): bogus number of reserved sectors
[ 2486.137800] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2486.141139] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2486.177311] FAT-fs (loop7): bogus logical sector size 384
[ 2486.183000] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2486.197519] FAULT_INJECTION: forcing a failure.
[ 2486.197519] name failslab, interval 1, probability 0, space 0, times 0
[ 2486.209243] CPU: 0 PID: 29646 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2486.217678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2486.227045] Call Trace:
[ 2486.229651]  dump_stack+0x1c9/0x2b4
[ 2486.233306]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2486.238518]  ? perf_trace_lock+0x49d/0x920
[ 2486.242789]  should_fail.cold.4+0xa/0x11
[ 2486.246877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2486.252002]  ? memset+0x31/0x40
[ 2486.255344]  ? zap_class+0x740/0x740
[ 2486.259072]  ? rcu_note_context_switch+0x730/0x730
[ 2486.264029]  ? lock_acquire+0x1e4/0x540
[ 2486.268040]  ? fs_reclaim_acquire+0x20/0x20
[ 2486.272398]  ? lock_downgrade+0x8f0/0x8f0
[ 2486.276774]  ? check_same_owner+0x340/0x340
[ 2486.281165]  ? mutex_trylock+0x2b0/0x2b0
[ 2486.285249]  ? memset+0x31/0x40
[ 2486.288555]  ? rcu_note_context_switch+0x730/0x730
[ 2486.293517]  __should_failslab+0x124/0x180
[ 2486.297781]  should_failslab+0x9/0x14
[ 2486.301613]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2486.306293]  ? init_wait_entry+0x1c0/0x1c0
[ 2486.310550]  ? lock_release+0xa30/0xa30
[ 2486.314556]  ? loop_get_status64+0x140/0x140
[ 2486.318974]  __kthread_create_on_node+0x127/0x4c0
08:32:51 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040a0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:51 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x8100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:51 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x1f00}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2486.324804]  ? __kthread_parkme+0x1b0/0x1b0
[ 2486.329149]  ? __fget+0x4d5/0x740
[ 2486.332654]  ? __lockdep_init_map+0x105/0x590
[ 2486.337184]  ? loop_get_status64+0x140/0x140
[ 2486.341619]  kthread_create_on_node+0xb1/0xe0
[ 2486.346145]  ? __kthread_create_on_node+0x4c0/0x4c0
[ 2486.351214]  lo_ioctl+0x7f6/0x1d70
[ 2486.354805]  ? lo_rw_aio_complete+0x450/0x450
[ 2486.359341]  blkdev_ioctl+0x9cd/0x2030
[ 2486.363242]  ? lock_acquire+0x1e4/0x540
[ 2486.367227]  ? blkpg_ioctl+0xc40/0xc40
[ 2486.371137]  ? lock_release+0xa30/0xa30
[ 2486.375134]  ? save_stack+0xa9/0xd0
[ 2486.378769]  ? save_stack+0x43/0xd0
[ 2486.382415]  ? __fget+0x4d5/0x740
[ 2486.385905]  ? ksys_dup3+0x690/0x690
[ 2486.389651]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2486.394271]  ? kasan_check_write+0x14/0x20
[ 2486.398525]  ? do_raw_spin_lock+0xc1/0x200
[ 2486.402793]  block_ioctl+0xee/0x130
[ 2486.406434]  ? blkdev_fallocate+0x400/0x400
[ 2486.410943]  do_vfs_ioctl+0x1de/0x1720
[ 2486.414954]  ? ioctl_preallocate+0x300/0x300
[ 2486.419377]  ? __fget_light+0x2f7/0x440
[ 2486.423361]  ? fget_raw+0x20/0x20
[ 2486.426827]  ? trace_hardirqs_on+0xd/0x10
[ 2486.430985]  ? kmem_cache_free+0x22e/0x2d0
[ 2486.435240]  ? putname+0xf7/0x130
[ 2486.438717]  ? do_sys_open+0x3cb/0x720
[ 2486.442624]  ? security_file_ioctl+0x94/0xc0
[ 2486.447045]  ksys_ioctl+0xa9/0xd0
[ 2486.450515]  __x64_sys_ioctl+0x73/0xb0
[ 2486.454416]  do_syscall_64+0x1b9/0x820
[ 2486.458313]  ? finish_task_switch+0x1d3/0x870
[ 2486.462837]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2486.467794]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2486.472763]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2486.476121] FAT-fs (loop4): bogus number of reserved sectors
[ 2486.477800]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2486.477821]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2486.477842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2486.477868]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2486.483679] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2486.488658] RIP: 0033:0x455c97
[ 2486.488663] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2486.514221] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2486.531916] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2486.531935] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2486.531945] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2486.531954] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2486.531964] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2486.531973] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000007
[ 2486.592357] FAT-fs (loop7): bogus logical sector size 384
[ 2486.598085] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2486.619068] FAT-fs (loop4): bogus number of reserved sectors
08:32:52 executing program 6 (fault-call:1 fault-nth:8):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:52 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:52 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x600}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:52 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404070a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2486.625082] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2486.633267] FAT-fs (loop5): bogus number of reserved sectors
[ 2486.639183] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2486.687518] FAULT_INJECTION: forcing a failure.
[ 2486.687518] name failslab, interval 1, probability 0, space 0, times 0
[ 2486.698924] CPU: 0 PID: 29665 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2486.707351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2486.716726] Call Trace:
[ 2486.719337]  dump_stack+0x1c9/0x2b4
[ 2486.722997]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2486.728225]  ? perf_trace_lock+0x49d/0x920
08:32:52 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404040a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2486.732197] FAT-fs (loop5): bogus number of reserved sectors
[ 2486.732490]  should_fail.cold.4+0xa/0x11
[ 2486.738346] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2486.742347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2486.742368]  ? memset+0x31/0x40
[ 2486.742411]  ? zap_class+0x740/0x740
[ 2486.760407]  ? rcu_note_context_switch+0x730/0x730
[ 2486.765379]  ? lock_acquire+0x1e4/0x540
[ 2486.769415]  ? fs_reclaim_acquire+0x20/0x20
[ 2486.773750]  ? lock_downgrade+0x8f0/0x8f0
[ 2486.777919]  ? check_same_owner+0x340/0x340
[ 2486.782337]  ? mutex_trylock+0x2b0/0x2b0
[ 2486.786406]  ? memset+0x31/0x40
[ 2486.789701]  ? rcu_note_context_switch+0x730/0x730
[ 2486.794661]  __should_failslab+0x124/0x180
[ 2486.798923]  should_failslab+0x9/0x14
[ 2486.802739]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2486.807422]  ? init_wait_entry+0x1c0/0x1c0
[ 2486.811757]  ? lock_release+0xa30/0xa30
[ 2486.815756]  ? loop_get_status64+0x140/0x140
[ 2486.820175]  __kthread_create_on_node+0x127/0x4c0
[ 2486.825090]  ? __kthread_parkme+0x1b0/0x1b0
[ 2486.829422]  ? __fget+0x4d5/0x740
[ 2486.832913]  ? __lockdep_init_map+0x105/0x590
[ 2486.837427]  ? loop_get_status64+0x140/0x140
[ 2486.841851]  kthread_create_on_node+0xb1/0xe0
[ 2486.846361]  ? __kthread_create_on_node+0x4c0/0x4c0
[ 2486.851416]  lo_ioctl+0x7f6/0x1d70
[ 2486.854996]  ? lo_rw_aio_complete+0x450/0x450
[ 2486.859519]  blkdev_ioctl+0x9cd/0x2030
[ 2486.860274] FAT-fs (loop7): bogus logical sector size 5120
[ 2486.863420]  ? lock_acquire+0x1e4/0x540
[ 2486.863442]  ? blkpg_ioctl+0xc40/0xc40
[ 2486.863464]  ? lock_release+0xa30/0xa30
[ 2486.863491]  ? save_stack+0xa9/0xd0
[ 2486.863511]  ? save_stack+0x43/0xd0
[ 2486.869153] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2486.873099]  ? __fget+0x4d5/0x740
[ 2486.873122]  ? ksys_dup3+0x690/0x690
[ 2486.873142]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2486.905853]  ? kasan_check_write+0x14/0x20
[ 2486.910108]  ? do_raw_spin_lock+0xc1/0x200
[ 2486.914366]  block_ioctl+0xee/0x130
[ 2486.918004]  ? blkdev_fallocate+0x400/0x400
[ 2486.922350]  do_vfs_ioctl+0x1de/0x1720
[ 2486.926258]  ? ioctl_preallocate+0x300/0x300
[ 2486.930684]  ? __fget_light+0x2f7/0x440
[ 2486.934673]  ? fget_raw+0x20/0x20
[ 2486.938142]  ? trace_hardirqs_on+0xd/0x10
[ 2486.942306]  ? kmem_cache_free+0x22e/0x2d0
[ 2486.946559]  ? putname+0xf7/0x130
[ 2486.950115]  ? do_sys_open+0x3cb/0x720
[ 2486.954029]  ? security_file_ioctl+0x94/0xc0
[ 2486.958458]  ksys_ioctl+0xa9/0xd0
[ 2486.961931]  __x64_sys_ioctl+0x73/0xb0
[ 2486.965838]  do_syscall_64+0x1b9/0x820
[ 2486.969737]  ? finish_task_switch+0x1d3/0x870
[ 2486.974251]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2486.979198]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2486.984144]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2486.989183]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2486.994224]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2486.998917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2487.000466] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2487.003785]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2487.003800] RIP: 0033:0x455c97
[ 2487.003806] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
08:32:52 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000044)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2487.004162] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2487.004181] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2487.004191] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2487.004202] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2487.004212] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2487.004222] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000008
08:32:52 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
fcntl$getownex(r0, 0x10, &(0x7f0000000140)={0x0, <r1=>0x0})
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
prlimit64(r2, 0xb, 0x0, &(0x7f0000000240))
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:52 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x6c00}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:52 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x1000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:52 executing program 6 (fault-call:1 fault-nth:9):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:52 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffffc3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2487.142853] FAT-fs (loop7): bogus logical sector size 5120
[ 2487.148622] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:52 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174480404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:52 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404050a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2487.212537] FAT-fs (loop4): bogus number of reserved sectors
[ 2487.218456] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2487.228808] FAT-fs (loop5): bogus number of reserved sectors
[ 2487.234755] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2487.243107] FAULT_INJECTION: forcing a failure.
[ 2487.243107] name failslab, interval 1, probability 0, space 0, times 0
[ 2487.254471] CPU: 0 PID: 29694 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2487.262892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2487.272434] Call Trace:
[ 2487.275047]  dump_stack+0x1c9/0x2b4
[ 2487.278725]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2487.283955]  ? perf_trace_lock+0x49d/0x920
[ 2487.288250]  should_fail.cold.4+0xa/0x11
[ 2487.292361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2487.297508]  ? kasan_check_write+0x14/0x20
[ 2487.297835] FAT-fs (loop7): bogus logical sector size 1096
[ 2487.301770]  ? __mutex_lock+0x6c4/0x1680
[ 2487.301808]  ? mutex_trylock+0x2b0/0x2b0
[ 2487.301833]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 2487.301863]  ? lock_acquire+0x1e4/0x540
[ 2487.301882]  ? fs_reclaim_acquire+0x20/0x20
[ 2487.307555] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2487.311594]  ? lock_downgrade+0x8f0/0x8f0
[ 2487.311625]  ? check_same_owner+0x340/0x340
[ 2487.311652]  ? kernfs_add_one+0x2d4/0x4d0
[ 2487.311671]  ? rcu_note_context_switch+0x730/0x730
[ 2487.311697]  __should_failslab+0x124/0x180
[ 2487.311714]  should_failslab+0x9/0x14
08:32:52 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x300000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2487.311728]  kmem_cache_alloc+0x2af/0x760
[ 2487.311742]  ? wait_for_completion+0x8d0/0x8d0
[ 2487.311762]  ? kasan_check_read+0x11/0x20
[ 2487.311780]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2487.311796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2487.311815]  __kernfs_new_node+0xef/0x5a0
[ 2487.321982] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2487.324604]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2487.324626]  ? kasan_check_write+0x14/0x20
[ 2487.324652]  ? __kernfs_new_node+0x426/0x5a0
[ 2487.324681]  ? mutex_unlock+0xd/0x10
[ 2487.324695]  ? kernfs_activate+0x21a/0x2c0
[ 2487.324720]  kernfs_new_node+0x80/0xf0
[ 2487.324739]  __kernfs_create_file+0x4d/0x330
[ 2487.324758]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2487.324783]  internal_create_group+0x26d/0x9e0
[ 2487.324809]  sysfs_create_group+0x1f/0x30
[ 2487.324828]  lo_ioctl+0x1307/0x1d70
[ 2487.324855]  ? lo_rw_aio_complete+0x450/0x450
[ 2487.324874]  blkdev_ioctl+0x9cd/0x2030
[ 2487.324893]  ? lock_acquire+0x1e4/0x540
[ 2487.324910]  ? blkpg_ioctl+0xc40/0xc40
[ 2487.324930]  ? lock_release+0xa30/0xa30
[ 2487.324956]  ? save_stack+0xa9/0xd0
[ 2487.324974]  ? save_stack+0x43/0xd0
[ 2487.467631]  ? __fget+0x4d5/0x740
[ 2487.471118]  ? ksys_dup3+0x690/0x690
[ 2487.474854]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2487.479463]  ? kasan_check_write+0x14/0x20
[ 2487.483719]  ? do_raw_spin_lock+0xc1/0x200
[ 2487.487980]  block_ioctl+0xee/0x130
[ 2487.491639]  ? blkdev_fallocate+0x400/0x400
[ 2487.495996]  do_vfs_ioctl+0x1de/0x1720
[ 2487.499911]  ? ioctl_preallocate+0x300/0x300
[ 2487.504340]  ? __fget_light+0x2f7/0x440
[ 2487.508338]  ? fget_raw+0x20/0x20
[ 2487.510396] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2487.511802]  ? trace_hardirqs_on+0xd/0x10
[ 2487.511823]  ? kmem_cache_free+0x22e/0x2d0
[ 2487.511846]  ? putname+0xf7/0x130
[ 2487.511866]  ? do_sys_open+0x3cb/0x720
[ 2487.511891]  ? security_file_ioctl+0x94/0xc0
[ 2487.511911]  ksys_ioctl+0xa9/0xd0
[ 2487.511930]  __x64_sys_ioctl+0x73/0xb0
[ 2487.511948]  do_syscall_64+0x1b9/0x820
[ 2487.511961]  ? finish_task_switch+0x1d3/0x870
[ 2487.511978]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2487.511997]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2487.512016]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2487.512034]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2487.512053]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2487.512073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2487.512102]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2487.512116] RIP: 0033:0x455c97
[ 2487.512121] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2487.611633] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2487.619366] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2487.626650] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2487.633931] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2487.641211] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2487.648492] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000009
[ 2487.666637] FAT-fs (loop6): bogus number of reserved sectors
[ 2487.671198] FAT-fs (loop4): bogus number of reserved sectors
[ 2487.672591] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2487.678337] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2487.679562] FAT-fs (loop5): bogus number of reserved sectors
[ 2487.696051] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2487.708421] FAT-fs (loop7): bogus logical sector size 1096
08:32:53 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x734f000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2487.714454] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:53 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf6ffffff00000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:53 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3203}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:53 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740e0404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:53 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404100a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2487.788672] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:53 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xc3ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:53 executing program 6 (fault-call:1 fault-nth:10):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2487.865169] FAT-fs (loop7): bogus logical sector size 1038
[ 2487.870999] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2487.878273] FAT-fs (loop5): bogus number of reserved sectors
[ 2487.884185] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2487.894100] FAT-fs (loop4): bogus number of reserved sectors
[ 2487.900037] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2487.928605] FAT-fs (loop7): bogus logical sector size 1038
[ 2487.934380] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2487.941814] FAT-fs (loop5): bogus number of reserved sectors
[ 2487.947767] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2487.950930] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2487.971197] FAT-fs (loop4): bogus number of reserved sectors
[ 2487.977131] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2487.983756] FAULT_INJECTION: forcing a failure.
[ 2487.983756] name failslab, interval 1, probability 0, space 0, times 0
[ 2487.995142] CPU: 1 PID: 29738 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2488.003561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2488.012926] Call Trace:
[ 2488.015527]  dump_stack+0x1c9/0x2b4
[ 2488.019167]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2488.024365]  ? zap_class+0x740/0x740
[ 2488.028091]  ? perf_trace_lock+0xde/0x920
[ 2488.032249]  should_fail.cold.4+0xa/0x11
[ 2488.036319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2488.041438]  ? kernfs_activate+0x8e/0x2c0
[ 2488.045595]  ? ___ratelimit.cold.2+0x6b/0x6b
[ 2488.050010]  ? kasan_check_write+0x14/0x20
[ 2488.054253]  ? kernfs_activate+0x21a/0x2c0
[ 2488.058494]  ? lock_downgrade+0x8f0/0x8f0
[ 2488.062648]  ? lock_acquire+0x1e4/0x540
[ 2488.066624]  ? fs_reclaim_acquire+0x20/0x20
[ 2488.071129]  ? lock_downgrade+0x8f0/0x8f0
[ 2488.075286]  ? check_same_owner+0x340/0x340
[ 2488.079610]  ? kasan_check_write+0x14/0x20
[ 2488.083851]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2488.088784]  ? rcu_note_context_switch+0x730/0x730
[ 2488.093718]  __should_failslab+0x124/0x180
[ 2488.097956]  should_failslab+0x9/0x14
[ 2488.101764]  kmem_cache_alloc+0x2af/0x760
[ 2488.105913]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2488.110844]  ? kasan_check_write+0x14/0x20
[ 2488.115088]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2488.120108]  __kernfs_new_node+0xef/0x5a0
[ 2488.124258]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2488.129013]  ? mutex_unlock+0xd/0x10
[ 2488.132727]  ? kernfs_activate+0x21a/0x2c0
[ 2488.136961]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2488.141815]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2488.147367]  ? kernfs_link_sibling+0x1d2/0x3b0
[ 2488.151976]  kernfs_new_node+0x80/0xf0
[ 2488.156707]  __kernfs_create_file+0x4d/0x330
[ 2488.161131]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2488.165826]  internal_create_group+0x26d/0x9e0
[ 2488.170439]  sysfs_create_group+0x1f/0x30
[ 2488.174598]  lo_ioctl+0x1307/0x1d70
[ 2488.178231]  ? lo_rw_aio_complete+0x450/0x450
[ 2488.182736]  blkdev_ioctl+0x9cd/0x2030
[ 2488.186624]  ? lock_acquire+0x1e4/0x540
[ 2488.190598]  ? blkpg_ioctl+0xc40/0xc40
[ 2488.194487]  ? lock_release+0xa30/0xa30
[ 2488.198476]  ? save_stack+0xa9/0xd0
[ 2488.202102]  ? save_stack+0x43/0xd0
[ 2488.205733]  ? __fget+0x4d5/0x740
[ 2488.209190]  ? ksys_dup3+0x690/0x690
[ 2488.212905]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2488.217490]  ? kasan_check_write+0x14/0x20
[ 2488.221723]  ? do_raw_spin_lock+0xc1/0x200
[ 2488.225960]  block_ioctl+0xee/0x130
[ 2488.229585]  ? blkdev_fallocate+0x400/0x400
[ 2488.233911]  do_vfs_ioctl+0x1de/0x1720
[ 2488.237803]  ? ioctl_preallocate+0x300/0x300
[ 2488.242211]  ? __fget_light+0x2f7/0x440
[ 2488.246186]  ? fget_raw+0x20/0x20
[ 2488.249642]  ? trace_hardirqs_on+0xd/0x10
[ 2488.253795]  ? kmem_cache_free+0x22e/0x2d0
[ 2488.258030]  ? putname+0xf7/0x130
[ 2488.261488]  ? do_sys_open+0x3cb/0x720
[ 2488.265386]  ? security_file_ioctl+0x94/0xc0
[ 2488.269797]  ksys_ioctl+0xa9/0xd0
[ 2488.273250]  __x64_sys_ioctl+0x73/0xb0
[ 2488.277152]  do_syscall_64+0x1b9/0x820
[ 2488.281044]  ? finish_task_switch+0x1d3/0x870
[ 2488.285554]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2488.290492]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2488.295464]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2488.300491]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2488.305508]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2488.310178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2488.315030]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2488.320219] RIP: 0033:0x455c97
[ 2488.323408] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2488.342744] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2488.350456] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2488.357721] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2488.364987] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2488.372254] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2488.379539] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000a
[ 2488.389531] FAT-fs (loop6): bogus number of reserved sectors
[ 2488.395431] FAT-fs (loop6): Can't find a valid FAT filesystem
08:32:53 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000f1)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:53 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x4001, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:53 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x700000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:53 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404be0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:53 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174100404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:53 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfdfdffff00000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:53 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf0ffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:53 executing program 6 (fault-call:1 fault-nth:11):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:53 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040f0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2488.487306] FAT-fs (loop5): bogus number of reserved sectors
[ 2488.493204] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2488.546467] FAT-fs (loop4): bogus number of reserved sectors
[ 2488.552510] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2488.557420] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2488.566221] FAULT_INJECTION: forcing a failure.
[ 2488.566221] name failslab, interval 1, probability 0, space 0, times 0
[ 2488.568108] FAT-fs (loop7): bogus logical sector size 1040
[ 2488.577540] CPU: 1 PID: 29764 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2488.583172] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2488.591542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2488.591550] Call Trace:
[ 2488.591574]  dump_stack+0x1c9/0x2b4
[ 2488.591596]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2488.618656]  ? zap_class+0x740/0x740
[ 2488.620097] FAT-fs (loop5): bogus number of reserved sectors
[ 2488.622386]  ? perf_trace_lock+0xde/0x920
[ 2488.622413]  should_fail.cold.4+0xa/0x11
[ 2488.628209] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2488.632334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2488.632347]  ? kernfs_activate+0x8e/0x2c0
[ 2488.632368]  ? ___ratelimit.cold.2+0x6b/0x6b
[ 2488.655939]  ? kasan_check_write+0x14/0x20
[ 2488.660202]  ? kernfs_activate+0x21a/0x2c0
[ 2488.664462]  ? lock_downgrade+0x8f0/0x8f0
[ 2488.668624]  ? lock_acquire+0x1e4/0x540
[ 2488.672623]  ? fs_reclaim_acquire+0x20/0x20
[ 2488.677317]  ? lock_downgrade+0x8f0/0x8f0
[ 2488.681483]  ? check_same_owner+0x340/0x340
[ 2488.685814]  ? kasan_check_write+0x14/0x20
[ 2488.690057]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2488.694988]  ? rcu_note_context_switch+0x730/0x730
[ 2488.699960]  __should_failslab+0x124/0x180
[ 2488.704206]  should_failslab+0x9/0x14
[ 2488.708025]  kmem_cache_alloc+0x2af/0x760
[ 2488.712193]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2488.717129]  ? kasan_check_write+0x14/0x20
[ 2488.721371]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2488.726388]  __kernfs_new_node+0xef/0x5a0
[ 2488.730538]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2488.735295]  ? mutex_unlock+0xd/0x10
[ 2488.739012]  ? kernfs_activate+0x21a/0x2c0
[ 2488.743252]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2488.748100]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2488.753638]  ? kernfs_link_sibling+0x1d2/0x3b0
[ 2488.758660]  kernfs_new_node+0x80/0xf0
[ 2488.762554]  __kernfs_create_file+0x4d/0x330
[ 2488.766971]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2488.771828]  internal_create_group+0x26d/0x9e0
[ 2488.776434]  sysfs_create_group+0x1f/0x30
[ 2488.780586]  lo_ioctl+0x1307/0x1d70
[ 2488.784220]  ? lo_rw_aio_complete+0x450/0x450
[ 2488.788720]  blkdev_ioctl+0x9cd/0x2030
[ 2488.792612]  ? lock_acquire+0x1e4/0x540
[ 2488.796676]  ? blkpg_ioctl+0xc40/0xc40
[ 2488.800567]  ? lock_release+0xa30/0xa30
[ 2488.804576]  ? save_stack+0xa9/0xd0
[ 2488.808207]  ? save_stack+0x43/0xd0
[ 2488.811837]  ? __fget+0x4d5/0x740
[ 2488.815294]  ? ksys_dup3+0x690/0x690
[ 2488.819028]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2488.823618]  ? kasan_check_write+0x14/0x20
[ 2488.827872]  ? do_raw_spin_lock+0xc1/0x200
[ 2488.832115]  block_ioctl+0xee/0x130
[ 2488.835744]  ? blkdev_fallocate+0x400/0x400
[ 2488.840087]  do_vfs_ioctl+0x1de/0x1720
[ 2488.843983]  ? ioctl_preallocate+0x300/0x300
[ 2488.848395]  ? __fget_light+0x2f7/0x440
[ 2488.852369]  ? fget_raw+0x20/0x20
[ 2488.855824]  ? trace_hardirqs_on+0xd/0x10
[ 2488.859971]  ? kmem_cache_free+0x22e/0x2d0
[ 2488.864216]  ? putname+0xf7/0x130
[ 2488.867674]  ? do_sys_open+0x3cb/0x720
[ 2488.871579]  ? security_file_ioctl+0x94/0xc0
[ 2488.875987]  ksys_ioctl+0xa9/0xd0
[ 2488.879538]  __x64_sys_ioctl+0x73/0xb0
[ 2488.883432]  do_syscall_64+0x1b9/0x820
[ 2488.887326]  ? syscall_slow_exit_work+0x500/0x500
[ 2488.892173]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2488.897109]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2488.902045]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2488.907068]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2488.911744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2488.916598]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2488.921784] RIP: 0033:0x455c97
[ 2488.924962] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
08:32:54 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
r5 = geteuid()
setsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f00000002c0)={{{@in=@remote={0xac, 0x14, 0x14, 0xbb}, @in=@rand_addr=0x4604, 0x4e20, 0x0, 0x4e23, 0x2, 0x0, 0xa0, 0xa0, 0xff, 0x0, r5}, {0x1, 0x1, 0xff, 0x4, 0x101, 0x5, 0x81, 0x1}, {0x200, 0x6, 0x4281, 0xfffffffffffffd2f}, 0xfa4e, 0x6e6bbd, 0x0, 0x1, 0x2, 0x3}, {{@in6=@ipv4={[], [0xff, 0xff], @rand_addr=0x3ff}, 0x4d4, 0xff}, 0xa, @in6=@local={0xfe, 0x80, [], 0xaa}, 0x0, 0x3, 0x3, 0x11, 0xfffffffffffffffb, 0x1f}}, 0xe8)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

[ 2488.944286] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2488.952021] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2488.959300] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2488.966569] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2488.973840] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2488.981113] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000b
[ 2488.996164] FAT-fs (loop6): bogus number of reserved sectors
[ 2489.002283] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2489.021934] FAT-fs (loop4): bogus number of reserved sectors
[ 2489.027864] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2489.037939] FAT-fs (loop7): bogus logical sector size 1040
08:32:54 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf0a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:54 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2489.043693] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:54 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404020a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:54 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x700000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:54 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174090404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2489.113119] FAT-fs (loop5): bogus number of reserved sectors
[ 2489.119111] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2489.151933] FAT-fs (loop5): bogus number of reserved sectors
08:32:54 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404030a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2489.157925] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2489.165442] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2489.196070] FAT-fs (loop7): bogus logical sector size 1033
[ 2489.201820] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2489.216567] FAT-fs (loop4): bogus number of reserved sectors
[ 2489.222512] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2489.260275] FAT-fs (loop7): bogus logical sector size 1033
[ 2489.266057] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2489.274359] FAT-fs (loop4): bogus number of reserved sectors
[ 2489.280310] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:54 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000022)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:54 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x23000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:54 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174f00404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:54 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404090a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:54 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x900000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:54 executing program 6 (fault-call:1 fault-nth:12):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:54 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x200000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2489.506530] FAT-fs (loop7): bogus logical sector size 1264
[ 2489.512298] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2489.528285] FAT-fs (loop4): bogus number of reserved sectors
[ 2489.534200] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2489.536645] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2489.542307] FAT-fs (loop5): bogus number of reserved sectors
08:32:55 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010f02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2489.552886] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:55 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x81000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2489.588095] FAT-fs (loop4): bogus number of reserved sectors
[ 2489.594046] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2489.603006] FAT-fs (loop7): bogus logical sector size 1264
[ 2489.608759] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2489.618509] FAT-fs (loop5): bogus number of reserved sectors
[ 2489.624463] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2489.668414] FAULT_INJECTION: forcing a failure.
[ 2489.668414] name failslab, interval 1, probability 0, space 0, times 0
[ 2489.679827] CPU: 0 PID: 29832 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2489.688251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2489.697618] Call Trace:
[ 2489.700235]  dump_stack+0x1c9/0x2b4
[ 2489.703899]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2489.709125]  ? perf_trace_lock+0x49d/0x920
[ 2489.710777] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2489.713657]  should_fail.cold.4+0xa/0x11
[ 2489.713685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2489.713701]  ? kernfs_activate+0x8e/0x2c0
[ 2489.713728]  ? ___ratelimit.cold.2+0x6b/0x6b
[ 2489.713753]  ? kasan_check_write+0x14/0x20
[ 2489.713779]  ? kernfs_activate+0x21a/0x2c0
[ 2489.713797]  ? lock_downgrade+0x8f0/0x8f0
[ 2489.713824]  ? lock_acquire+0x1e4/0x540
[ 2489.713841]  ? fs_reclaim_acquire+0x20/0x20
[ 2489.713859]  ? lock_downgrade+0x8f0/0x8f0
[ 2489.713884]  ? check_same_owner+0x340/0x340
[ 2489.713899]  ? kasan_check_write+0x14/0x20
[ 2489.713912]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2489.713928]  ? rcu_note_context_switch+0x730/0x730
[ 2489.713951]  __should_failslab+0x124/0x180
[ 2489.713973]  should_failslab+0x9/0x14
[ 2489.713989]  kmem_cache_alloc+0x2af/0x760
[ 2489.714005]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2489.714020]  ? kasan_check_write+0x14/0x20
[ 2489.714043]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2489.714061]  __kernfs_new_node+0xef/0x5a0
[ 2489.714081]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2489.714098]  ? mutex_unlock+0xd/0x10
[ 2489.820668]  ? kernfs_activate+0x21a/0x2c0
[ 2489.824917]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2489.829783]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2489.835332]  ? kernfs_link_sibling+0x1d2/0x3b0
[ 2489.839936]  kernfs_new_node+0x80/0xf0
[ 2489.843842]  __kernfs_create_file+0x4d/0x330
[ 2489.848267]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2489.852959]  internal_create_group+0x26d/0x9e0
[ 2489.857565]  sysfs_create_group+0x1f/0x30
[ 2489.861723]  lo_ioctl+0x1307/0x1d70
[ 2489.865373]  ? lo_rw_aio_complete+0x450/0x450
[ 2489.869882]  blkdev_ioctl+0x9cd/0x2030
[ 2489.873778]  ? lock_acquire+0x1e4/0x540
[ 2489.877764]  ? blkpg_ioctl+0xc40/0xc40
[ 2489.881666]  ? lock_release+0xa30/0xa30
[ 2489.885661]  ? save_stack+0xa9/0xd0
[ 2489.889297]  ? save_stack+0x43/0xd0
[ 2489.892953]  ? __fget+0x4d5/0x740
[ 2489.896428]  ? ksys_dup3+0x690/0x690
[ 2489.900151]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2489.904748]  ? kasan_check_write+0x14/0x20
[ 2489.908990]  ? do_raw_spin_lock+0xc1/0x200
[ 2489.913247]  block_ioctl+0xee/0x130
[ 2489.916902]  ? blkdev_fallocate+0x400/0x400
[ 2489.921236]  do_vfs_ioctl+0x1de/0x1720
[ 2489.925139]  ? ioctl_preallocate+0x300/0x300
[ 2489.929556]  ? __fget_light+0x2f7/0x440
[ 2489.933539]  ? fget_raw+0x20/0x20
[ 2489.937004]  ? trace_hardirqs_on+0xd/0x10
[ 2489.941161]  ? kmem_cache_free+0x22e/0x2d0
[ 2489.945413]  ? putname+0xf7/0x130
[ 2489.948875]  ? do_sys_open+0x3cb/0x720
[ 2489.952783]  ? security_file_ioctl+0x94/0xc0
[ 2489.957208]  ksys_ioctl+0xa9/0xd0
[ 2489.960674]  __x64_sys_ioctl+0x73/0xb0
[ 2489.964573]  do_syscall_64+0x1b9/0x820
[ 2489.968466]  ? finish_task_switch+0x1d3/0x870
[ 2489.972975]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2489.977916]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2489.982857]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2489.987886]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2489.992910]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2489.997593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2490.002458]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2490.007652] RIP: 0033:0x455c97
[ 2490.010840] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2490.030458] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2490.038187] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2490.045466] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2490.052763] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2490.060037] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
08:32:55 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
ioctl$TUNGETSNDBUF(r3, 0x800454d3, &(0x7f0000000140))
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0xffffffffffffff59)
ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000240)={r0, r3})

08:32:55 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa9040000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:55 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174db0104010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:55 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xffffff8c}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:55 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010802000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:55 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x8100}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2490.067317] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000c
[ 2490.089996] FAT-fs (loop6): bogus number of reserved sectors
[ 2490.095925] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2490.136792] FAT-fs (loop4): bogus number of reserved sectors
[ 2490.142758] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2490.152522] FAT-fs (loop7): bogus logical sector size 475
[ 2490.159101] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2490.163814] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2490.172446] FAT-fs (loop5): bogus number of reserved sectors
[ 2490.178395] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:55 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010602000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2490.206989] FAT-fs (loop7): bogus logical sector size 475
[ 2490.212656] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2490.218628] FAT-fs (loop4): bogus number of reserved sectors
[ 2490.222130] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2490.224482] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2490.226886] FAT-fs (loop5): bogus number of reserved sectors
[ 2490.243255] FAT-fs (loop5): Can't find a valid FAT filesystem
08:32:55 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000f0)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:55 executing program 6 (fault-call:1 fault-nth:13):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:55 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfffffdfd}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:55 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa01}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:55 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174c00004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:55 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a04000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:55 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xc3ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2490.530015] FAT-fs (loop5): bogus number of reserved sectors
[ 2490.535980] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2490.540468] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2490.543089] FAULT_INJECTION: forcing a failure.
[ 2490.543089] name failslab, interval 1, probability 0, space 0, times 0
[ 2490.560166] CPU: 1 PID: 29883 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2490.568579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2490.577938] Call Trace:
08:32:56 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a05000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:56 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xc0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2490.579647] FAT-fs (loop4): bogus number of reserved sectors
[ 2490.580541]  dump_stack+0x1c9/0x2b4
[ 2490.580561]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2490.580577]  ? zap_class+0x740/0x740
[ 2490.580598]  ? perf_trace_lock+0xde/0x920
[ 2490.586418] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2490.590018]  should_fail.cold.4+0xa/0x11
[ 2490.590038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2490.590059]  ? kernfs_activate+0x8e/0x2c0
[ 2490.622223]  ? ___ratelimit.cold.2+0x6b/0x6b
[ 2490.626653]  ? kasan_check_write+0x14/0x20
[ 2490.630909]  ? kernfs_activate+0x21a/0x2c0
[ 2490.635258]  ? lock_downgrade+0x8f0/0x8f0
[ 2490.639442]  ? lock_acquire+0x1e4/0x540
[ 2490.643424]  ? fs_reclaim_acquire+0x20/0x20
[ 2490.647758]  ? lock_downgrade+0x8f0/0x8f0
[ 2490.651937]  ? check_same_owner+0x340/0x340
[ 2490.656280]  ? kasan_check_write+0x14/0x20
[ 2490.660524]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2490.665478]  ? rcu_note_context_switch+0x730/0x730
[ 2490.670425]  __should_failslab+0x124/0x180
[ 2490.670580] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2490.674660]  should_failslab+0x9/0x14
[ 2490.674676]  kmem_cache_alloc+0x2af/0x760
[ 2490.674692]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2490.674707]  ? kasan_check_write+0x14/0x20
[ 2490.674725]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2490.674744]  __kernfs_new_node+0xef/0x5a0
[ 2490.707427]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2490.712197]  ? mutex_unlock+0xd/0x10
[ 2490.715920]  ? kernfs_activate+0x21a/0x2c0
[ 2490.720171]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2490.725027]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2490.730576]  ? kernfs_link_sibling+0x1d2/0x3b0
[ 2490.735177]  kernfs_new_node+0x80/0xf0
[ 2490.739077]  __kernfs_create_file+0x4d/0x330
[ 2490.743498]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2490.748184]  internal_create_group+0x26d/0x9e0
[ 2490.752781]  sysfs_create_group+0x1f/0x30
[ 2490.756933]  lo_ioctl+0x1307/0x1d70
[ 2490.760567]  ? lo_rw_aio_complete+0x450/0x450
[ 2490.765066]  blkdev_ioctl+0x9cd/0x2030
[ 2490.768957]  ? lock_acquire+0x1e4/0x540
[ 2490.772933]  ? blkpg_ioctl+0xc40/0xc40
[ 2490.776830]  ? lock_release+0xa30/0xa30
[ 2490.780813]  ? save_stack+0xa9/0xd0
[ 2490.784452]  ? save_stack+0x43/0xd0
[ 2490.788089]  ? __fget+0x4d5/0x740
[ 2490.791548]  ? ksys_dup3+0x690/0x690
[ 2490.795264]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2490.799859]  ? kasan_check_write+0x14/0x20
[ 2490.804097]  ? do_raw_spin_lock+0xc1/0x200
[ 2490.808338]  block_ioctl+0xee/0x130
[ 2490.811967]  ? blkdev_fallocate+0x400/0x400
[ 2490.816293]  do_vfs_ioctl+0x1de/0x1720
[ 2490.820188]  ? ioctl_preallocate+0x300/0x300
[ 2490.824598]  ? __fget_light+0x2f7/0x440
[ 2490.828573]  ? fget_raw+0x20/0x20
[ 2490.832029]  ? trace_hardirqs_on+0xd/0x10
[ 2490.836180]  ? kmem_cache_free+0x22e/0x2d0
[ 2490.840417]  ? putname+0xf7/0x130
[ 2490.843873]  ? do_sys_open+0x3cb/0x720
[ 2490.847765]  ? security_file_ioctl+0x94/0xc0
[ 2490.852175]  ksys_ioctl+0xa9/0xd0
[ 2490.855631]  __x64_sys_ioctl+0x73/0xb0
[ 2490.859523]  do_syscall_64+0x1b9/0x820
[ 2490.863416]  ? syscall_slow_exit_work+0x500/0x500
[ 2490.868263]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2490.873195]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2490.878135]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2490.883161]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2490.887840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2490.892691]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2490.897881] RIP: 0033:0x455c97
[ 2490.901063] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2490.920730] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2490.928446] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2490.935721] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2490.942994] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2490.950266] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2490.957540] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000d
[ 2490.967544] FAT-fs (loop7): bogus logical sector size 192
[ 2490.973182] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2490.979342] FAT-fs (loop6): bogus number of reserved sectors
[ 2490.985339] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2491.008632] FAT-fs (loop5): bogus number of reserved sectors
[ 2491.009379] FAT-fs (loop4): bogus number of reserved sectors
[ 2491.014574] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2491.020368] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2491.032241] FAT-fs (loop7): bogus logical sector size 192
[ 2491.037860] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:56 executing program 1:
epoll_create(0x9)
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f00000002c0)=""/218, &(0x7f0000000140)=0xda)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
userfaultfd(0x80000)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:56 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x6000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:56 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a01000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:56 executing program 6 (fault-call:1 fault-nth:14):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:56 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174400104010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:56 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x8}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:56 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa00}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2491.246776] FAT-fs (loop7): bogus logical sector size 320
[ 2491.252443] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2491.254861] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2491.286130] FAT-fs (loop7): bogus logical sector size 320
[ 2491.291794] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2491.307874] FAT-fs (loop4): invalid media value (0x53)
[ 2491.313291] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2491.333090] FAT-fs (loop5): bogus number of reserved sectors
[ 2491.339037] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2491.363534] FAT-fs (loop4): invalid media value (0x53)
[ 2491.368964] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2491.378319] FAT-fs (loop5): bogus number of reserved sectors
[ 2491.384373] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2491.391706] FAULT_INJECTION: forcing a failure.
[ 2491.391706] name failslab, interval 1, probability 0, space 0, times 0
[ 2491.403122] CPU: 0 PID: 29923 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2491.411544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2491.420914] Call Trace:
[ 2491.423525]  dump_stack+0x1c9/0x2b4
[ 2491.427176]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2491.432387]  ? perf_trace_lock+0x49d/0x920
[ 2491.436651]  should_fail.cold.4+0xa/0x11
[ 2491.440731]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2491.445845]  ? kernfs_activate+0x8e/0x2c0
[ 2491.450021]  ? ___ratelimit.cold.2+0x6b/0x6b
[ 2491.454474]  ? kasan_check_write+0x14/0x20
[ 2491.458756]  ? kernfs_activate+0x21a/0x2c0
[ 2491.463012]  ? lock_downgrade+0x8f0/0x8f0
[ 2491.467186]  ? lock_acquire+0x1e4/0x540
[ 2491.471175]  ? fs_reclaim_acquire+0x20/0x20
[ 2491.475509]  ? lock_downgrade+0x8f0/0x8f0
[ 2491.479707]  ? check_same_owner+0x340/0x340
[ 2491.484052]  ? kasan_check_write+0x14/0x20
[ 2491.488315]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2491.493260]  ? rcu_note_context_switch+0x730/0x730
[ 2491.498220]  __should_failslab+0x124/0x180
[ 2491.502472]  should_failslab+0x9/0x14
[ 2491.506292]  kmem_cache_alloc+0x2af/0x760
08:32:56 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000c0)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:56 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010402000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:56 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x734f0000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:56 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2491.510450]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2491.515394]  ? kasan_check_write+0x14/0x20
[ 2491.519651]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2491.524685]  __kernfs_new_node+0xef/0x5a0
[ 2491.528863]  ? kernfs_dop_revalidate+0x3c0/0x3c0
[ 2491.533640]  ? mutex_unlock+0xd/0x10
[ 2491.537374]  ? kernfs_activate+0x21a/0x2c0
[ 2491.541633]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2491.546505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2491.552073]  ? kernfs_link_sibling+0x1d2/0x3b0
[ 2491.556701]  kernfs_new_node+0x80/0xf0
[ 2491.560622]  __kernfs_create_file+0x4d/0x330
[ 2491.565058]  sysfs_add_file_mode_ns+0x21a/0x560
[ 2491.569765]  internal_create_group+0x26d/0x9e0
[ 2491.574385]  sysfs_create_group+0x1f/0x30
[ 2491.578550]  lo_ioctl+0x1307/0x1d70
[ 2491.582208]  ? lo_rw_aio_complete+0x450/0x450
[ 2491.583682] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2491.586712]  blkdev_ioctl+0x9cd/0x2030
[ 2491.586732]  ? lock_acquire+0x1e4/0x540
[ 2491.586749]  ? blkpg_ioctl+0xc40/0xc40
[ 2491.586770]  ? lock_release+0xa30/0xa30
[ 2491.586799]  ? save_stack+0xa9/0xd0
[ 2491.586816]  ? save_stack+0x43/0xd0
[ 2491.586838]  ? __fget+0x4d5/0x740
[ 2491.586860]  ? ksys_dup3+0x690/0x690
[ 2491.586874]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2491.586892]  ? kasan_check_write+0x14/0x20
[ 2491.586908]  ? do_raw_spin_lock+0xc1/0x200
[ 2491.586934]  block_ioctl+0xee/0x130
[ 2491.586950]  ? blkdev_fallocate+0x400/0x400
[ 2491.586968]  do_vfs_ioctl+0x1de/0x1720
[ 2491.586990]  ? ioctl_preallocate+0x300/0x300
[ 2491.587006]  ? __fget_light+0x2f7/0x440
[ 2491.587025]  ? fget_raw+0x20/0x20
[ 2491.587045]  ? trace_hardirqs_on+0xd/0x10
[ 2491.587063]  ? kmem_cache_free+0x22e/0x2d0
[ 2491.587083]  ? putname+0xf7/0x130
[ 2491.587104]  ? do_sys_open+0x3cb/0x720
[ 2491.587127]  ? security_file_ioctl+0x94/0xc0
[ 2491.587145]  ksys_ioctl+0xa9/0xd0
[ 2491.587163]  __x64_sys_ioctl+0x73/0xb0
[ 2491.587184]  do_syscall_64+0x1b9/0x820
[ 2491.587197]  ? syscall_slow_exit_work+0x500/0x500
[ 2491.587215]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2491.701408]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2491.706357]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2491.711388]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2491.716072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2491.720954]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2491.726151] RIP: 0033:0x455c97
[ 2491.729338] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2491.748933] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2491.756660] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2491.763941] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2491.771222] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2491.778508] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2491.785785] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000e
[ 2491.800903] FAT-fs (loop7): bogus logical sector size 768
[ 2491.801183] FAT-fs (loop6): bogus number of reserved sectors
08:32:57 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xffffff7f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:57 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xffffffffffffffff}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:57 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010302000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:57 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xe}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2491.806570] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2491.818727] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2491.851576] FAT-fs (loop7): bogus logical sector size 768
[ 2491.857407] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:57 executing program 6 (fault-call:1 fault-nth:15):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2491.924688] FAT-fs (loop5): invalid media value (0x2e)
[ 2491.930091] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2491.940090] FAT-fs (loop4): bogus number of reserved sectors
[ 2491.946037] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2491.953858] FAULT_INJECTION: forcing a failure.
[ 2491.953858] name failslab, interval 1, probability 0, space 0, times 0
[ 2491.955922] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2491.965258] CPU: 0 PID: 29958 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2491.965271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2491.965278] Call Trace:
[ 2491.965300]  dump_stack+0x1c9/0x2b4
[ 2491.965325]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2491.965348]  ? perf_trace_lock+0x49d/0x920
[ 2491.965375]  should_fail.cold.4+0xa/0x11
[ 2491.965398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2491.965416]  ? kasan_check_write+0x14/0x20
[ 2491.965433]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2491.965447]  ? lock_downgrade+0x8f0/0x8f0
[ 2491.965467]  ? wait_for_completion+0x8d0/0x8d0
[ 2491.965486]  ? kasan_check_read+0x11/0x20
[ 2491.965502]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2491.965523]  ? kasan_check_write+0x14/0x20
[ 2491.965540]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2491.965555]  ? kasan_check_write+0x14/0x20
[ 2491.965574]  ? wait_for_completion+0x8d0/0x8d0
[ 2491.965600]  ? lock_acquire+0x1e4/0x540
[ 2492.063232]  ? fs_reclaim_acquire+0x20/0x20
[ 2492.067609]  ? lock_downgrade+0x8f0/0x8f0
[ 2492.071800]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2492.076659]  ? check_same_owner+0x340/0x340
[ 2492.081005]  ? rcu_note_context_switch+0x730/0x730
[ 2492.085953]  __should_failslab+0x124/0x180
[ 2492.090202]  should_failslab+0x9/0x14
[ 2492.094019]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2492.098713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2492.104264]  ? sysfs_add_file_mode_ns+0x22c/0x560
[ 2492.109121]  ? sysfs_add_file_mode_ns+0x23c/0x560
[ 2492.113987]  ? device_create_file+0x1e0/0x1e0
[ 2492.118495]  kobject_uevent_env+0x20f/0x1110
[ 2492.122916]  ? internal_create_group+0x39a/0x9e0
[ 2492.127784]  kobject_uevent+0x1f/0x30
[ 2492.131598]  lo_ioctl+0x1385/0x1d70
[ 2492.135255]  ? lo_rw_aio_complete+0x450/0x450
[ 2492.139761]  blkdev_ioctl+0x9cd/0x2030
[ 2492.143657]  ? lock_acquire+0x1e4/0x540
[ 2492.147643]  ? blkpg_ioctl+0xc40/0xc40
[ 2492.151549]  ? lock_release+0xa30/0xa30
[ 2492.155556]  ? save_stack+0xa9/0xd0
[ 2492.159196]  ? save_stack+0x43/0xd0
[ 2492.162845]  ? __fget+0x4d5/0x740
[ 2492.166314]  ? ksys_dup3+0x690/0x690
[ 2492.170034]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2492.174631]  ? kasan_check_write+0x14/0x20
[ 2492.178884]  ? do_raw_spin_lock+0xc1/0x200
[ 2492.183147]  block_ioctl+0xee/0x130
[ 2492.186787]  ? blkdev_fallocate+0x400/0x400
[ 2492.191117]  do_vfs_ioctl+0x1de/0x1720
[ 2492.195026]  ? ioctl_preallocate+0x300/0x300
[ 2492.199617]  ? __fget_light+0x2f7/0x440
[ 2492.203600]  ? fget_raw+0x20/0x20
[ 2492.207066]  ? trace_hardirqs_on+0xd/0x10
[ 2492.211228]  ? kmem_cache_free+0x22e/0x2d0
[ 2492.215477]  ? putname+0xf7/0x130
[ 2492.218947]  ? do_sys_open+0x3cb/0x720
[ 2492.222853]  ? security_file_ioctl+0x94/0xc0
[ 2492.227281]  ksys_ioctl+0xa9/0xd0
[ 2492.230754]  __x64_sys_ioctl+0x73/0xb0
[ 2492.234658]  do_syscall_64+0x1b9/0x820
[ 2492.238555]  ? finish_task_switch+0x1d3/0x870
[ 2492.243067]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2492.248011]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2492.252964]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2492.258000]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2492.263032]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2492.267741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2492.272611]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2492.277807] RIP: 0033:0x455c97
[ 2492.280998] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2492.300595] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2492.308324] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2492.315611] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2492.323722] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2492.331010] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2492.338288] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000000f
[ 2492.348353] FAT-fs (loop6): bogus number of reserved sectors
[ 2492.354321] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2492.374674] FAT-fs (loop5): invalid media value (0x2e)
[ 2492.380077] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2492.386531] FAT-fs (loop4): bogus number of reserved sectors
[ 2492.392395] FAT-fs (loop4): Can't find a valid FAT filesystem
08:32:57 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000180)={0x0, 0x64}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0xfffffffffffffffe, 0xd022}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000006c0)={{{@in, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r3=>0x0}}, {{@in=@remote}, 0x0, @in6=@ipv4={[], [], @local}}}, &(0x7f0000000240)=0xe8)
lstat(&(0x7f00000007c0)='./file0/file0\x00', &(0x7f0000000800)={0x0, 0x0, 0x0, 0x0, 0x0, <r4=>0x0})
sendmsg$unix(r2, &(0x7f0000000900)={&(0x7f00000002c0)=@abs={0x1, 0x0, 0x4e21}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000340)="89f21fcdfd9da71c4352554875053abd1ad11607de9f3f31159f0bc6572cc8b5b0ee74a91f0b2a8b50c3650320fb7b2d8c74f93afceea27045a7a7e531e496d5cecf161f3f72a631ca127c055006ce615d5bf0314699409a5a6c6ca1341496216e69a767b586cdec23f570e3704e0959d271fc63c28c9d0db249888ac25007434917eed101f3487f69bbbda87b423982327170bb21992ac9de18897648a3db227a3c5b439be9db7dff387991035040f9097962ba2dfe", 0xb6}, {&(0x7f0000000500)="488be598e09db92e8509e4738372fc6ea9e08b0845129d09bbe9b9e38f4af8b867059243d25969c552db00f2123f0256ea16598641c21eeafbbc6af029fed3fb066d147d2199f1928ce35513a8410581d1d4230c754bfccc10cd89c21866a5b6e7f60f8a6d4e5da7ebea1b3f36836150dbea29d07a504fe7aad2ec7c013021e9d84dc83ed64d43f8c38c12cd9c693eda2f0b830339da9f", 0x97}, {&(0x7f00000005c0)="0e6a0f4af0f3c411b5f277ae85ec53f58cb490fd6be7cb0e672102c1f0092f91ab4d8fe8f350587f4776da3f81a2d68d53beb0b3e6f712d17ab450b7c72488058e31e25a2fb9d888530c6718b325cd847bc1c89133cfa953774f5290e85bab36c7749d26139e29ebbc30fb1e27ec4f5cae65a196d4ed0fda858aaadc3df1c60f0ddf7a4f8b132252da0af780e90ff9d33a9f36f6d3206d2867cbd65756deaf63613da8e38735a86eeccfdd87999379482400550e22719c565de88891c4faa4487e9389cbaae8824cdec00e32baf2eb9f092b4a1045461b", 0xd7}, {&(0x7f0000000440)="b888c613f7be5abb8e70a531e8553e2b1a1d5c9421ecd645409f38d154fb217d8213813a2f1f07b3cb818954fde3c5cd10344b289029c3f6dc68adf10c371767fd677ce9", 0x44}], 0x4, &(0x7f0000000880)=[@rights={0x38, 0x1, 0x1, [r0, r2, r2, r0, r2, r2, r2, r2, r0, r2]}, @cred={0x20, 0x1, 0x2, r1, r3, r4}], 0x58, 0x20000050}, 0x4004014)
r5 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000009c0)={&(0x7f0000000040)='\x00', r0}, 0x330)
r6 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r6, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
r7 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r7, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r5, 0x84, 0x72, &(0x7f0000000100)={<r8=>0x0, 0x5, 0x30}, &(0x7f0000000940)=0xc)
setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000980)=@assoc_value={r8, 0x1}, 0x8)
mkdir(&(0x7f000082f000)='./control\x00', 0x0)
syz_fuseblk_mount(&(0x7f0000000000)='./control\x00', &(0x7f0000000080)='./control/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
rename(&(0x7f0000000240)='./control/file0\x00', &(0x7f0000001bc0)='./file0\x00')
unlink(&(0x7f0000000480)='./file0\x00')
sendto$llc(r6, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:32:57 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174080404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:57 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x2000000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:57 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a00000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:57 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x300}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:57 executing program 6 (fault-call:1 fault-nth:16):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:57 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x6800000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2492.536753] FAT-fs (loop7): bogus logical sector size 1032
[ 2492.542504] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2492.548846] FAT-fs (loop2): bogus number of FAT structure
[ 2492.553851] FAT-fs (loop5): bogus number of reserved sectors
[ 2492.554473] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2492.560314] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2492.575462] FAT-fs (loop4): bogus number of reserved sectors
[ 2492.581543] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2492.588285] FAULT_INJECTION: forcing a failure.
[ 2492.588285] name failslab, interval 1, probability 0, space 0, times 0
[ 2492.599595] CPU: 1 PID: 29979 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2492.608005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2492.617369] Call Trace:
[ 2492.619980]  dump_stack+0x1c9/0x2b4
[ 2492.623630]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2492.628849]  ? perf_trace_lock+0xde/0x920
[ 2492.633034]  should_fail.cold.4+0xa/0x11
[ 2492.637117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2492.642227]  ? kasan_check_write+0x14/0x20
[ 2492.646469]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2492.651403]  ? lock_downgrade+0x8f0/0x8f0
[ 2492.655556]  ? wait_for_completion+0x8d0/0x8d0
[ 2492.660152]  ? kasan_check_read+0x11/0x20
[ 2492.664311]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2492.668759]  ? kasan_check_write+0x14/0x20
[ 2492.673007]  ? __mutex_unlock_slowpath+0x197/0x8c0
[ 2492.677950]  ? kasan_check_write+0x14/0x20
[ 2492.682192]  ? wait_for_completion+0x8d0/0x8d0
[ 2492.686783]  ? lock_acquire+0x1e4/0x540
[ 2492.690760]  ? fs_reclaim_acquire+0x20/0x20
[ 2492.695090]  ? lock_downgrade+0x8f0/0x8f0
[ 2492.699247]  ? kernfs_walk_and_get_ns+0x340/0x340
[ 2492.704092]  ? check_same_owner+0x340/0x340
[ 2492.708416]  ? rcu_note_context_switch+0x730/0x730
[ 2492.713352]  __should_failslab+0x124/0x180
[ 2492.717595]  should_failslab+0x9/0x14
[ 2492.721415]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2492.726096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2492.731650]  ? sysfs_add_file_mode_ns+0x22c/0x560
[ 2492.736513]  ? sysfs_add_file_mode_ns+0x23c/0x560
[ 2492.741379]  ? device_create_file+0x1e0/0x1e0
[ 2492.745882]  kobject_uevent_env+0x20f/0x1110
[ 2492.750297]  ? internal_create_group+0x39a/0x9e0
[ 2492.755070]  kobject_uevent+0x1f/0x30
[ 2492.758875]  lo_ioctl+0x1385/0x1d70
[ 2492.762507]  ? lo_rw_aio_complete+0x450/0x450
[ 2492.767100]  blkdev_ioctl+0x9cd/0x2030
[ 2492.771302]  ? lock_acquire+0x1e4/0x540
[ 2492.775289]  ? blkpg_ioctl+0xc40/0xc40
[ 2492.779187]  ? lock_release+0xa30/0xa30
[ 2492.783174]  ? save_stack+0xa9/0xd0
[ 2492.786813]  ? save_stack+0x43/0xd0
[ 2492.790445]  ? __fget+0x4d5/0x740
[ 2492.793900]  ? ksys_dup3+0x690/0x690
[ 2492.797612]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2492.802200]  ? kasan_check_write+0x14/0x20
[ 2492.806433]  ? do_raw_spin_lock+0xc1/0x200
[ 2492.810671]  block_ioctl+0xee/0x130
[ 2492.814299]  ? blkdev_fallocate+0x400/0x400
[ 2492.818619]  do_vfs_ioctl+0x1de/0x1720
[ 2492.822512]  ? ioctl_preallocate+0x300/0x300
[ 2492.826918]  ? __fget_light+0x2f7/0x440
[ 2492.830890]  ? fget_raw+0x20/0x20
[ 2492.834348]  ? trace_hardirqs_on+0xd/0x10
[ 2492.838498]  ? kmem_cache_free+0x22e/0x2d0
[ 2492.842733]  ? putname+0xf7/0x130
[ 2492.846188]  ? do_sys_open+0x3cb/0x720
[ 2492.850085]  ? security_file_ioctl+0x94/0xc0
[ 2492.854492]  ksys_ioctl+0xa9/0xd0
[ 2492.857962]  __x64_sys_ioctl+0x73/0xb0
[ 2492.861850]  do_syscall_64+0x1b9/0x820
[ 2492.865737]  ? finish_task_switch+0x1d3/0x870
[ 2492.870234]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2492.875163]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2492.880114]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2492.885140]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2492.890154]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2492.894821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2492.899674]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2492.905298] RIP: 0033:0x455c97
[ 2492.908481] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2492.927817] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
08:32:58 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000001d)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:58 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174030404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2492.935545] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2492.942817] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2492.950083] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2492.957352] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2492.964618] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000010
[ 2492.975267] FAT-fs (loop6): bogus number of reserved sectors
[ 2492.981193] FAT-fs (loop6): Can't find a valid FAT filesystem
08:32:58 executing program 6 (fault-call:1 fault-nth:17):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2493.001387] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2493.002275] FAT-fs (loop4): bogus number of reserved sectors
[ 2493.013828] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2493.016637] FAT-fs (loop2): bogus number of FAT structure
[ 2493.025364] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2493.029731] FAT-fs (loop7): bogus logical sector size 1027
[ 2493.036989] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2493.037297] FAT-fs (loop5): bogus number of reserved sectors
[ 2493.048731] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2493.065478] FAT-fs (loop7): bogus logical sector size 1027
[ 2493.071244] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2493.091764] FAULT_INJECTION: forcing a failure.
[ 2493.091764] name failslab, interval 1, probability 0, space 0, times 0
[ 2493.103117] CPU: 0 PID: 30003 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2493.111548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2493.120925] Call Trace:
[ 2493.123546]  dump_stack+0x1c9/0x2b4
[ 2493.127206]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2493.132432]  ? perf_trace_lock+0x49d/0x920
[ 2493.136709]  should_fail.cold.4+0xa/0x11
[ 2493.140808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2493.145977]  ? save_stack+0xa9/0xd0
[ 2493.149645]  ? kasan_kmalloc+0xc4/0xe0
[ 2493.153563]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2493.158423]  ? kobject_uevent_env+0x20f/0x1110
[ 2493.163534]  ? kobject_uevent+0x1f/0x30
[ 2493.167519]  ? lo_ioctl+0x1385/0x1d70
[ 2493.171327]  ? blkdev_ioctl+0x9cd/0x2030
[ 2493.175394]  ? block_ioctl+0xee/0x130
[ 2493.179216]  ? ksys_ioctl+0xa9/0xd0
[ 2493.182856]  ? __x64_sys_ioctl+0x73/0xb0
[ 2493.186949]  ? do_syscall_64+0x1b9/0x820
[ 2493.191025]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2493.196406]  ? kasan_check_write+0x14/0x20
[ 2493.200665]  ? lock_acquire+0x1e4/0x540
[ 2493.204651]  ? fs_reclaim_acquire+0x20/0x20
[ 2493.208985]  ? lock_downgrade+0x8f0/0x8f0
[ 2493.213156]  ? check_same_owner+0x340/0x340
[ 2493.217494]  ? lock_release+0xa30/0xa30
[ 2493.221478]  ? rcu_note_context_switch+0x730/0x730
[ 2493.226427]  __should_failslab+0x124/0x180
[ 2493.230693]  should_failslab+0x9/0x14
[ 2493.234520]  __kmalloc+0x2c8/0x760
[ 2493.238096]  ? kobject_get_path+0xc2/0x1a0
[ 2493.242559]  kobject_get_path+0xc2/0x1a0
[ 2493.246657]  kobject_uevent_env+0x234/0x1110
[ 2493.251093]  ? internal_create_group+0x39a/0x9e0
[ 2493.255899]  kobject_uevent+0x1f/0x30
[ 2493.259720]  lo_ioctl+0x1385/0x1d70
[ 2493.263375]  ? lo_rw_aio_complete+0x450/0x450
[ 2493.267882]  blkdev_ioctl+0x9cd/0x2030
[ 2493.271792]  ? lock_acquire+0x1e4/0x540
[ 2493.275766]  ? blkpg_ioctl+0xc40/0xc40
[ 2493.279656]  ? lock_release+0xa30/0xa30
[ 2493.283666]  ? save_stack+0xa9/0xd0
[ 2493.287286]  ? save_stack+0x43/0xd0
[ 2493.290910]  ? __fget+0x4d5/0x740
[ 2493.294359]  ? ksys_dup3+0x690/0x690
[ 2493.298063]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2493.302641]  ? kasan_check_write+0x14/0x20
[ 2493.306879]  ? do_raw_spin_lock+0xc1/0x200
[ 2493.311132]  block_ioctl+0xee/0x130
[ 2493.314751]  ? blkdev_fallocate+0x400/0x400
[ 2493.319064]  do_vfs_ioctl+0x1de/0x1720
[ 2493.322960]  ? ioctl_preallocate+0x300/0x300
[ 2493.327385]  ? __fget_light+0x2f7/0x440
[ 2493.331351]  ? fget_raw+0x20/0x20
[ 2493.334797]  ? trace_hardirqs_on+0xd/0x10
[ 2493.338935]  ? kmem_cache_free+0x22e/0x2d0
[ 2493.343165]  ? putname+0xf7/0x130
[ 2493.346612]  ? do_sys_open+0x3cb/0x720
[ 2493.350495]  ? security_file_ioctl+0x94/0xc0
[ 2493.354896]  ksys_ioctl+0xa9/0xd0
[ 2493.358354]  __x64_sys_ioctl+0x73/0xb0
[ 2493.362252]  do_syscall_64+0x1b9/0x820
[ 2493.366131]  ? finish_task_switch+0x1d3/0x870
[ 2493.370618]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2493.375543]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2493.380463]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2493.385904]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2493.390910]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2493.395574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2493.400417]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2493.405594] RIP: 0033:0x455c97
[ 2493.408769] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2493.428164] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2493.435876] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2493.443145] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
08:32:58 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x1000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:58 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a03000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:58 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x8100}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:58 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7a00}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2493.450403] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2493.457746] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2493.465005] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000011
[ 2493.479192] FAT-fs (loop6): bogus number of reserved sectors
[ 2493.485203] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2493.485358] FAT-fs (loop5): bogus number of reserved sectors
[ 2493.495980] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:32:58 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174050404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2493.497061] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2493.532943] FAT-fs (loop7): bogus logical sector size 1029
[ 2493.538811] FAT-fs (loop7): Can't find a valid FAT filesystem
08:32:59 executing program 6 (fault-call:1 fault-nth:18):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2493.548825] FAT-fs (loop5): bogus number of reserved sectors
[ 2493.554819] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2493.565508] FAT-fs (loop4): bogus number of reserved sectors
[ 2493.571399] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2493.586420] FAULT_INJECTION: forcing a failure.
[ 2493.586420] name failslab, interval 1, probability 0, space 0, times 0
[ 2493.597787] CPU: 1 PID: 30026 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2493.606197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2493.615544] Call Trace:
[ 2493.618127]  dump_stack+0x1c9/0x2b4
[ 2493.621745]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2493.626936]  ? perf_trace_lock+0xde/0x920
[ 2493.631089]  should_fail.cold.4+0xa/0x11
[ 2493.635158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2493.640267]  ? lock_acquire+0x1e4/0x540
[ 2493.644267]  ? trace_hardirqs_on+0x10/0x10
[ 2493.648524]  ? lock_release+0xa30/0xa30
[ 2493.652513]  ? check_same_owner+0x340/0x340
[ 2493.656871]  ? lock_acquire+0x1e4/0x540
[ 2493.660854]  ? fs_reclaim_acquire+0x20/0x20
[ 2493.665173]  ? lock_downgrade+0x8f0/0x8f0
[ 2493.669323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2493.674872]  ? check_same_owner+0x340/0x340
[ 2493.679193]  ? number+0x967/0xc90
[ 2493.682635]  ? rcu_note_context_switch+0x730/0x730
[ 2493.687566]  __should_failslab+0x124/0x180
[ 2493.691812]  should_failslab+0x9/0x14
[ 2493.695606]  kmem_cache_alloc_node+0x272/0x780
[ 2493.700182]  ? set_precision+0xe0/0xe0
08:32:59 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
syz_open_pts(r0, 0x40)
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
ioctl$VT_GETMODE(r3, 0x5601, &(0x7f0000000140))
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
sysinfo(&(0x7f00000002c0)=""/172)

08:32:59 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x4}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:32:59 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a06000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2493.704066]  __alloc_skb+0x119/0x790
[ 2493.707878]  ? skb_scrub_packet+0x490/0x490
[ 2493.712219]  ? lock_release+0xa30/0xa30
[ 2493.716204]  ? pointer+0x990/0x990
[ 2493.719848]  ? device_get_devnode+0x2e0/0x2e0
[ 2493.724358]  ? kasan_unpoison_shadow+0x35/0x50
[ 2493.728962]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2493.734000]  ? netlink_has_listeners+0x2cf/0x4a0
[ 2493.738776]  ? netlink_tap_init_net+0x3e0/0x3e0
[ 2493.743467]  alloc_uevent_skb+0x89/0x220
[ 2493.747560]  kobject_uevent_env+0x866/0x1110
[ 2493.751989]  ? internal_create_group+0x39a/0x9e0
[ 2493.756766]  kobject_uevent+0x1f/0x30
[ 2493.760589]  lo_ioctl+0x1385/0x1d70
[ 2493.764231]  ? lo_rw_aio_complete+0x450/0x450
[ 2493.765799] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2493.768754]  blkdev_ioctl+0x9cd/0x2030
[ 2493.768772]  ? lock_acquire+0x1e4/0x540
[ 2493.768785]  ? blkpg_ioctl+0xc40/0xc40
[ 2493.768801]  ? lock_release+0xa30/0xa30
[ 2493.790973]  ? save_stack+0xa9/0xd0
[ 2493.794610]  ? save_stack+0x43/0xd0
[ 2493.798247]  ? __fget+0x4d5/0x740
08:32:59 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x500}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:32:59 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfffffffffffff000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2493.801705]  ? ksys_dup3+0x690/0x690
[ 2493.805420]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2493.810019]  ? kasan_check_write+0x14/0x20
[ 2493.814268]  ? do_raw_spin_lock+0xc1/0x200
[ 2493.818521]  block_ioctl+0xee/0x130
[ 2493.822163]  ? blkdev_fallocate+0x400/0x400
[ 2493.826499]  do_vfs_ioctl+0x1de/0x1720
[ 2493.830414]  ? ioctl_preallocate+0x300/0x300
[ 2493.834833]  ? __fget_light+0x2f7/0x440
[ 2493.838824]  ? fget_raw+0x20/0x20
[ 2493.842292]  ? trace_hardirqs_on+0xd/0x10
[ 2493.846454]  ? kmem_cache_free+0x22e/0x2d0
[ 2493.850702]  ? putname+0xf7/0x130
08:32:59 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfffffff0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2493.854168]  ? do_sys_open+0x3cb/0x720
[ 2493.855916] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2493.858063]  ? security_file_ioctl+0x94/0xc0
[ 2493.858081]  ksys_ioctl+0xa9/0xd0
[ 2493.858098]  __x64_sys_ioctl+0x73/0xb0
[ 2493.858115]  do_syscall_64+0x1b9/0x820
[ 2493.858131]  ? syscall_slow_exit_work+0x500/0x500
[ 2493.885041]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2493.889987]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2493.894930]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2493.899963]  ? perf_trace_sys_enter+0xb10/0xb10
08:32:59 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2493.904651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2493.909514]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2493.913387] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2493.914704] RIP: 0033:0x455c97
[ 2493.914708] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2493.943678] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2493.951404] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2493.958715] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2493.966002] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2493.970054] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2493.973280] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2493.973289] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000012
[ 2493.979126] FAT-fs (loop7): bogus logical sector size 1029
[ 2493.989418] FAT-fs (loop4): bogus number of reserved sectors
[ 2493.996419] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2494.012674] FAT-fs (loop6): bogus number of reserved sectors
[ 2494.013863] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2494.025676] FAT-fs (loop6): Can't find a valid FAT filesystem
08:32:59 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000ed)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:32:59 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x3f00}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:32:59 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010902000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:59 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174800304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:32:59 executing program 6 (fault-call:1 fault-nth:19):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:32:59 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x4000000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2494.071409] FAT-fs (loop4): bogus number of reserved sectors
[ 2494.077318] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2494.110608] FAT-fs (loop5): bogus number of reserved sectors
08:32:59 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xffffffffffffff7f}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2494.116586] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2494.128130] FAULT_INJECTION: forcing a failure.
[ 2494.128130] name failslab, interval 1, probability 0, space 0, times 0
[ 2494.139472] CPU: 1 PID: 30063 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2494.147906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2494.158152] Call Trace:
[ 2494.160737]  dump_stack+0x1c9/0x2b4
[ 2494.164371]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2494.169578]  ? lock_acquire+0x1e4/0x540
[ 2494.173559]  ? perf_trace_lock+0xde/0x920
[ 2494.177717]  should_fail.cold.4+0xa/0x11
[ 2494.181792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2494.186989]  ? rcu_is_watching+0x8c/0x150
[ 2494.191141]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2494.195828]  ? is_bpf_text_address+0xd7/0x170
[ 2494.200333]  ? __kernel_text_address+0xd/0x40
[ 2494.204837]  ? perf_trace_lock+0xde/0x920
[ 2494.208997]  ? __save_stack_trace+0x8d/0xf0
[ 2494.213322]  ? lock_acquire+0x1e4/0x540
[ 2494.217292]  ? fs_reclaim_acquire+0x20/0x20
[ 2494.221608]  ? lock_downgrade+0x8f0/0x8f0
[ 2494.225758]  ? save_stack+0xa9/0xd0
[ 2494.229393]  ? __kmalloc_reserve.isra.41+0x3a/0xe0
[ 2494.234324]  ? check_same_owner+0x340/0x340
[ 2494.238848]  ? blkdev_ioctl+0x9cd/0x2030
[ 2494.242914]  ? block_ioctl+0xee/0x130
[ 2494.246843]  ? rcu_note_context_switch+0x730/0x730
[ 2494.251774]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2494.257146]  __should_failslab+0x124/0x180
[ 2494.261386]  should_failslab+0x9/0x14
[ 2494.265362]  kmem_cache_alloc+0x2af/0x760
[ 2494.269506]  ? lock_acquire+0x1e4/0x540
[ 2494.273478]  skb_clone+0x1f5/0x500
[ 2494.277033]  ? refcount_add_not_zero+0x290/0x330
[ 2494.281799]  ? skb_split+0x11f0/0x11f0
[ 2494.285692]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2494.290705]  ? netlink_trim+0x1ba/0x380
[ 2494.294674]  ? netlink_skb_destructor+0x210/0x210
[ 2494.299508]  netlink_broadcast_filtered+0x10b7/0x1620
[ 2494.304698]  ? __netlink_sendskb+0xd0/0xd0
[ 2494.308931]  ? pointer+0x990/0x990
[ 2494.312486]  ? device_get_devnode+0x2e0/0x2e0
[ 2494.316995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2494.322567]  ? refcount_inc_not_zero+0x1e5/0x2f0
[ 2494.327319]  ? refcount_add_not_zero+0x330/0x330
[ 2494.332078]  ? netlink_has_listeners+0x2cf/0x4a0
[ 2494.336847]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2494.341867]  netlink_broadcast+0x3a/0x50
[ 2494.345929]  kobject_uevent_env+0x829/0x1110
[ 2494.350587]  ? internal_create_group+0x39a/0x9e0
[ 2494.355349]  kobject_uevent+0x1f/0x30
[ 2494.359138]  lo_ioctl+0x1385/0x1d70
[ 2494.362769]  ? lo_rw_aio_complete+0x450/0x450
[ 2494.367262]  blkdev_ioctl+0x9cd/0x2030
[ 2494.371151]  ? lock_acquire+0x1e4/0x540
[ 2494.375121]  ? blkpg_ioctl+0xc40/0xc40
[ 2494.379008]  ? lock_release+0xa30/0xa30
[ 2494.382986]  ? save_stack+0xa9/0xd0
[ 2494.386602]  ? save_stack+0x43/0xd0
[ 2494.390220]  ? __fget+0x4d5/0x740
[ 2494.393663]  ? ksys_dup3+0x690/0x690
[ 2494.397364]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2494.401938]  ? kasan_check_write+0x14/0x20
[ 2494.406169]  ? do_raw_spin_lock+0xc1/0x200
[ 2494.410403]  block_ioctl+0xee/0x130
[ 2494.414027]  ? blkdev_fallocate+0x400/0x400
[ 2494.418343]  do_vfs_ioctl+0x1de/0x1720
[ 2494.422405]  ? ioctl_preallocate+0x300/0x300
[ 2494.426871]  ? __fget_light+0x2f7/0x440
[ 2494.430840]  ? fget_raw+0x20/0x20
[ 2494.434286]  ? trace_hardirqs_on+0xd/0x10
[ 2494.438440]  ? kmem_cache_free+0x22e/0x2d0
[ 2494.442682]  ? putname+0xf7/0x130
[ 2494.446145]  ? do_sys_open+0x3cb/0x720
[ 2494.450030]  ? security_file_ioctl+0x94/0xc0
[ 2494.454443]  ksys_ioctl+0xa9/0xd0
[ 2494.457895]  __x64_sys_ioctl+0x73/0xb0
[ 2494.461782]  do_syscall_64+0x1b9/0x820
[ 2494.465660]  ? finish_task_switch+0x1d3/0x870
[ 2494.470159]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2494.475081]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2494.480023]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2494.485047]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2494.490057]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2494.494720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2494.499568]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2494.504749] RIP: 0033:0x455c97
[ 2494.507925] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2494.527215] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2494.534921] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2494.542188] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2494.549477] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2494.556765] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2494.564034] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000013
[ 2494.578519] FAT-fs (loop6): bogus number of reserved sectors
[ 2494.581165] FAT-fs (loop4): bogus number of reserved sectors
[ 2494.584472] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2494.590286] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2494.602792] FAT-fs (loop7): bogus logical sector size 896
[ 2494.604930] FAT-fs (loop5): bogus number of reserved sectors
[ 2494.608442] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2494.614201] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:00 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404011402000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2494.617696] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:00 executing program 6 (fault-call:1 fault-nth:20):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2494.672818] FAT-fs (loop4): bogus number of reserved sectors
[ 2494.678773] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2494.697260] FAT-fs (loop7): bogus logical sector size 896
[ 2494.702969] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:00 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000140)={<r5=>0x0, 0x8001}, &(0x7f0000000240)=0x8)
getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r3, 0x84, 0x73, &(0x7f00000002c0)={r5, 0x6, 0x10, 0x101, 0x6}, &(0x7f0000000300)=0x18)

08:33:00 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x2000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:00 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xaa040000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:00 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x600000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:00 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174a80204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2494.788597] FAT-fs (loop5): bogus number of reserved sectors
[ 2494.791242] FAULT_INJECTION: forcing a failure.
[ 2494.791242] name failslab, interval 1, probability 0, space 0, times 0
[ 2494.794571] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2494.805786] CPU: 0 PID: 30094 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2494.820075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2494.829470] Call Trace:
[ 2494.832089]  dump_stack+0x1c9/0x2b4
[ 2494.835763]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2494.840996]  ? perf_trace_lock+0x49d/0x920
[ 2494.841921] FAT-fs (loop4): bogus number of reserved sectors
[ 2494.845269]  should_fail.cold.4+0xa/0x11
[ 2494.845298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2494.845317]  ? blkpg_ioctl+0xc40/0xc40
[ 2494.845350]  ? save_stack+0xa9/0xd0
[ 2494.851170] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2494.855186]  ? save_stack+0x43/0xd0
[ 2494.855208]  ? __fget+0x4d5/0x740
[ 2494.855235]  ? lock_acquire+0x1e4/0x540
08:33:00 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a08000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2494.864872] FAT-fs (loop7): bogus logical sector size 680
[ 2494.867814]  ? fs_reclaim_acquire+0x20/0x20
[ 2494.867835]  ? lock_downgrade+0x8f0/0x8f0
[ 2494.867863]  ? check_same_owner+0x340/0x340
[ 2494.867879]  ? block_ioctl+0xee/0x130
[ 2494.867898]  ? rcu_note_context_switch+0x730/0x730
[ 2494.873792] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2494.877406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2494.877429]  __should_failslab+0x124/0x180
[ 2494.877450]  should_failslab+0x9/0x14
[ 2494.891935] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:00 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xfffff000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2494.894729]  kmem_cache_alloc+0x2af/0x760
[ 2494.894749]  ? fget_raw+0x20/0x20
[ 2494.894776]  getname_flags+0xd0/0x5a0
[ 2494.894798]  do_mkdirat+0xc5/0x310
[ 2494.894824]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2494.894839]  ? fput+0x130/0x1a0
[ 2494.894856]  ? ksys_ioctl+0x81/0xd0
[ 2494.894876]  __x64_sys_mkdir+0x5c/0x80
[ 2494.894895]  do_syscall_64+0x1b9/0x820
[ 2494.894908]  ? syscall_slow_exit_work+0x500/0x500
[ 2494.894927]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2494.894942]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2494.894967]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2494.894986]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2494.895006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2494.895036]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2494.895049] RIP: 0033:0x455267
[ 2494.895055] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2495.029702] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2495.037452] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2495.037603] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2495.044729] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2495.044738] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2495.044747] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2495.044757] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000014
[ 2495.103072] FAT-fs (loop7): bogus logical sector size 680
[ 2495.108874] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2495.120487] FAT-fs (loop5): bogus number of reserved sectors
[ 2495.126373] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2495.147070] FAT-fs (loop4): bogus number of reserved sectors
08:33:00 executing program 6 (fault-call:1 fault-nth:21):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:00 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000122)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:00 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x9effffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2495.153113] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:00 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174450004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:00 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfcfdffff}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2495.199568] FAULT_INJECTION: forcing a failure.
[ 2495.199568] name failslab, interval 1, probability 0, space 0, times 0
[ 2495.211009] CPU: 0 PID: 30122 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2495.219441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2495.228816] Call Trace:
[ 2495.231434]  dump_stack+0x1c9/0x2b4
[ 2495.235098]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2495.240324]  ? perf_trace_lock+0x49d/0x920
[ 2495.244605]  should_fail.cold.4+0xa/0x11
08:33:00 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xc}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2495.248709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2495.253847]  ? lock_repin_lock+0x430/0x430
[ 2495.258121]  ? kasan_check_write+0x14/0x20
[ 2495.262405]  ? __schedule+0x884/0x1ed0
[ 2495.266343]  ? __sched_text_start+0x8/0x8
[ 2495.270525]  ? __fget+0x4d5/0x740
[ 2495.271108] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2495.274020]  ? lock_acquire+0x1e4/0x540
[ 2495.274041]  ? fs_reclaim_acquire+0x20/0x20
[ 2495.274062]  ? lock_downgrade+0x8f0/0x8f0
[ 2495.274094]  ? check_same_owner+0x340/0x340
08:33:00 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a09000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2495.274110]  ? block_ioctl+0xee/0x130
[ 2495.274128]  ? rcu_note_context_switch+0x730/0x730
[ 2495.274150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2495.274172]  __should_failslab+0x124/0x180
[ 2495.274193]  should_failslab+0x9/0x14
[ 2495.274212]  kmem_cache_alloc+0x2af/0x760
[ 2495.274229]  ? __schedule+0x1ed0/0x1ed0
[ 2495.274249]  ? fget_raw+0x20/0x20
[ 2495.274277]  getname_flags+0xd0/0x5a0
[ 2495.317322] FAT-fs (loop7): bogus logical sector size 69
[ 2495.319850]  do_mkdirat+0xc5/0x310
[ 2495.319877]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2495.319902]  ? syscall_slow_exit_work+0x500/0x500
[ 2495.324074] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2495.328011]  ? ksys_ioctl+0x81/0xd0
[ 2495.328037]  __x64_sys_mkdir+0x5c/0x80
[ 2495.328059]  do_syscall_64+0x1b9/0x820
[ 2495.356649] FAT-fs (loop5): invalid media value (0x61)
[ 2495.359139]  ? finish_task_switch+0x1d3/0x870
[ 2495.359164]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2495.359181]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2495.359203]  ? prepare_exit_to_usermode+0x3b0/0x3b0
08:33:00 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xc0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2495.362860] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2495.366746]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2495.366764]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2495.366785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2495.374076] FAT-fs (loop4): bogus number of reserved sectors
[ 2495.375990]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2495.376005] RIP: 0033:0x455267
[ 2495.376011] Code: 1f 40 00 b8 5a 00 
[ 2495.380563] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2495.385471] 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2495.457389] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2495.463500] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2495.465119] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2495.465131] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2495.465142] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2495.465153] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2495.465164] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000015
[ 2495.532375] FAT-fs (loop7): bogus logical sector size 69
[ 2495.537951] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2495.546858] FAT-fs (loop5): invalid media value (0x61)
[ 2495.552228] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2495.558614] FAT-fs (loop4): bogus number of reserved sectors
[ 2495.564480] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:01 executing program 6 (fault-call:1 fault-nth:22):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2495.666381] FAULT_INJECTION: forcing a failure.
[ 2495.666381] name failslab, interval 1, probability 0, space 0, times 0
[ 2495.677737] CPU: 1 PID: 30151 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2495.686139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2495.695488] Call Trace:
[ 2495.698082]  dump_stack+0x1c9/0x2b4
[ 2495.701727]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2495.706939]  ? lock_acquire+0x1e4/0x540
[ 2495.710932]  ? perf_trace_lock+0xde/0x920
[ 2495.715099]  should_fail.cold.4+0xa/0x11
[ 2495.719187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2495.724309]  ? rcu_is_watching+0x8c/0x150
[ 2495.728475]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2495.733158]  ? is_bpf_text_address+0xd7/0x170
[ 2495.737662]  ? __kernel_text_address+0xd/0x40
[ 2495.742162]  ? perf_trace_lock+0xde/0x920
[ 2495.746313]  ? __save_stack_trace+0x8d/0xf0
[ 2495.750646]  ? lock_acquire+0x1e4/0x540
[ 2495.754623]  ? fs_reclaim_acquire+0x20/0x20
[ 2495.758945]  ? lock_downgrade+0x8f0/0x8f0
[ 2495.763092]  ? save_stack+0xa9/0xd0
[ 2495.766783]  ? __kmalloc_reserve.isra.41+0x3a/0xe0
[ 2495.771719]  ? check_same_owner+0x340/0x340
[ 2495.776043]  ? blkdev_ioctl+0x9cd/0x2030
[ 2495.780111]  ? block_ioctl+0xee/0x130
[ 2495.783914]  ? rcu_note_context_switch+0x730/0x730
[ 2495.788856]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2495.794231]  __should_failslab+0x124/0x180
[ 2495.798469]  should_failslab+0x9/0x14
[ 2495.802272]  kmem_cache_alloc+0x2af/0x760
[ 2495.806425]  ? lock_acquire+0x1e4/0x540
[ 2495.810405]  skb_clone+0x1f5/0x500
[ 2495.813951]  ? refcount_add_not_zero+0x290/0x330
[ 2495.818706]  ? skb_split+0x11f0/0x11f0
[ 2495.822596]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2495.827623]  ? netlink_trim+0x1ba/0x380
[ 2495.831597]  ? netlink_skb_destructor+0x210/0x210
[ 2495.836460]  netlink_broadcast_filtered+0x10b7/0x1620
[ 2495.841676]  ? __netlink_sendskb+0xd0/0xd0
[ 2495.845920]  ? pointer+0x990/0x990
[ 2495.849467]  ? device_get_devnode+0x2e0/0x2e0
[ 2495.853986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2495.859534]  ? refcount_inc_not_zero+0x1e5/0x2f0
[ 2495.864279]  ? refcount_add_not_zero+0x330/0x330
[ 2495.869026]  ? netlink_has_listeners+0x2cf/0x4a0
[ 2495.873775]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2495.878781]  netlink_broadcast+0x3a/0x50
[ 2495.882836]  kobject_uevent_env+0x829/0x1110
[ 2495.887230]  ? internal_create_group+0x39a/0x9e0
[ 2495.891976]  kobject_uevent+0x1f/0x30
[ 2495.895765]  lo_ioctl+0x1385/0x1d70
[ 2495.899384]  ? lo_rw_aio_complete+0x450/0x450
[ 2495.903862]  blkdev_ioctl+0x9cd/0x2030
[ 2495.907743]  ? lock_acquire+0x1e4/0x540
[ 2495.911697]  ? blkpg_ioctl+0xc40/0xc40
[ 2495.915576]  ? lock_release+0xa30/0xa30
[ 2495.919537]  ? save_stack+0xa9/0xd0
[ 2495.923144]  ? save_stack+0x43/0xd0
[ 2495.926756]  ? __fget+0x4d5/0x740
[ 2495.930189]  ? ksys_dup3+0x690/0x690
[ 2495.933886]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2495.938454]  ? kasan_check_write+0x14/0x20
[ 2495.942680]  ? do_raw_spin_lock+0xc1/0x200
[ 2495.946899]  block_ioctl+0xee/0x130
[ 2495.950515]  ? blkdev_fallocate+0x400/0x400
[ 2495.954829]  do_vfs_ioctl+0x1de/0x1720
[ 2495.958700]  ? ioctl_preallocate+0x300/0x300
[ 2495.963090]  ? __fget_light+0x2f7/0x440
[ 2495.967045]  ? fget_raw+0x20/0x20
[ 2495.970482]  ? trace_hardirqs_on+0xd/0x10
[ 2495.974609]  ? kmem_cache_free+0x22e/0x2d0
[ 2495.978827]  ? putname+0xf7/0x130
[ 2495.982272]  ? do_sys_open+0x3cb/0x720
[ 2495.986144]  ? security_file_ioctl+0x94/0xc0
[ 2495.990532]  ksys_ioctl+0xa9/0xd0
[ 2495.993977]  __x64_sys_ioctl+0x73/0xb0
[ 2495.997859]  do_syscall_64+0x1b9/0x820
[ 2496.001736]  ? finish_task_switch+0x1d3/0x870
[ 2496.006227]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2496.011139]  ? syscall_return_slowpath+0x31d/0x5e0
08:33:01 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getpeername$inet(r0, &(0x7f0000000240)={0x0, 0x0, @dev}, &(0x7f00000002c0)=0x10)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
mkdirat(r0, &(0x7f0000000140)='./file0/file0\x00', 0x6)
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:01 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174c00304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:01 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a07000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:01 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xfcfdffff00000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:01 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x2000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:01 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc4270000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2496.016058]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2496.021079]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2496.026112]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2496.030796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2496.035658]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2496.040870] RIP: 0033:0x455c97
[ 2496.044070] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2496.063392] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2496.071119] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455c97
[ 2496.078404] RDX: 0000000000000015 RSI: 0000000000004c00 RDI: 0000000000000016
[ 2496.084788] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2496.085677] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2496.085687] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2496.085696] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000016
[ 2496.102255] FAT-fs (loop7): bogus logical sector size 960
[ 2496.111753] FAT-fs (loop5): bogus number of reserved sectors
[ 2496.115033] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2496.118468] FAT-fs (loop6): bogus number of reserved sectors
[ 2496.120764] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2496.144427] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2496.156007] FAT-fs (loop4): bogus number of reserved sectors
[ 2496.161963] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:01 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0xf0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:01 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010502000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2496.174111] FAT-fs (loop7): bogus logical sector size 960
[ 2496.179852] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2496.187106] FAT-fs (loop5): bogus number of reserved sectors
[ 2496.193068] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2496.204125] FAT-fs (loop4): bogus number of reserved sectors
[ 2496.210041] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:01 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000009c)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:01 executing program 6 (fault-call:1 fault-nth:23):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:01 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174c00204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:01 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x2000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:01 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x32030000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2496.275590] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2496.288328] FAT-fs (loop7): bogus logical sector size 704
[ 2496.293983] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2496.300323] FAULT_INJECTION: forcing a failure.
[ 2496.300323] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2496.312160] CPU: 1 PID: 30187 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2496.320562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2496.330004] Call Trace:
[ 2496.332609]  dump_stack+0x1c9/0x2b4
[ 2496.336240]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2496.341435]  ? trace_hardirqs_off+0xd/0x10
[ 2496.345677]  should_fail.cold.4+0xa/0x11
[ 2496.349745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2496.354851]  ? trace_hardirqs_off+0xd/0x10
[ 2496.359088]  ? wait_for_completion+0x8d0/0x8d0
[ 2496.363673]  ? __kasan_slab_free+0x131/0x170
[ 2496.368089]  ? trace_hardirqs_on+0x10/0x10
[ 2496.372327]  ? kobject_uevent_env+0x288/0x1110
[ 2496.376911]  ? internal_create_group+0x39a/0x9e0
[ 2496.381676]  ? mutex_unlock+0xd/0x10
[ 2496.385391]  ? lo_ioctl+0xe6/0x1d70
[ 2496.389017]  ? perf_trace_lock+0xde/0x920
[ 2496.393170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2496.398708]  ? should_fail+0x246/0xd86
[ 2496.402595]  ? zap_class+0x740/0x740
[ 2496.406313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2496.411420]  ? blkpg_ioctl+0xc40/0xc40
[ 2496.415315]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2496.419997]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2496.425018]  ? save_stack+0xa9/0xd0
[ 2496.428650]  ? save_stack+0x43/0xd0
[ 2496.432276]  ? __fget+0x4d5/0x740
[ 2496.435740]  ? lock_acquire+0x1e4/0x540
[ 2496.439743]  ? fs_reclaim_acquire+0x20/0x20
[ 2496.444071]  ? lock_downgrade+0x8f0/0x8f0
[ 2496.448221]  ? lock_release+0xa30/0xa30
[ 2496.452215]  ? check_same_owner+0x340/0x340
[ 2496.456543]  cache_grow_begin+0x91/0x710
[ 2496.460611]  kmem_cache_alloc+0x689/0x760
[ 2496.464760]  ? fget_raw+0x20/0x20
[ 2496.468219]  getname_flags+0xd0/0x5a0
[ 2496.472022]  do_mkdirat+0xc5/0x310
[ 2496.475567]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2496.479718]  ? fput+0x130/0x1a0
[ 2496.482996]  ? ksys_ioctl+0x81/0xd0
[ 2496.486625]  __x64_sys_mkdir+0x5c/0x80
[ 2496.490601]  do_syscall_64+0x1b9/0x820
[ 2496.494492]  ? finish_task_switch+0x1d3/0x870
[ 2496.498988]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2496.503919]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2496.508851]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2496.513867]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2496.518887]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2496.523559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2496.528408]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2496.533597] RIP: 0033:0x455267
[ 2496.536776] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2496.556094] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2496.563803] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2496.571074] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2496.578344] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2496.585609] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2496.592876] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000017
[ 2496.616539] FAT-fs (loop6): bogus number of reserved sectors
08:33:02 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010702000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2496.623084] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2496.631526] FAT-fs (loop5): bogus number of reserved sectors
[ 2496.637448] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2496.645174] FAT-fs (loop7): bogus logical sector size 704
[ 2496.651000] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2496.661487] FAT-fs (loop4): bogus number of reserved sectors
[ 2496.663989] FAT-fs (loop5): bogus number of reserved sectors
08:33:02 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x6}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:02 executing program 6 (fault-call:1 fault-nth:24):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2496.667476] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2496.673217] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2496.718339] FAT-fs (loop4): bogus number of reserved sectors
[ 2496.724288] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2496.752823] FAULT_INJECTION: forcing a failure.
[ 2496.752823] name failslab, interval 1, probability 0, space 0, times 0
[ 2496.764127] CPU: 1 PID: 30213 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2496.772537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2496.781917] Call Trace:
[ 2496.784514]  dump_stack+0x1c9/0x2b4
[ 2496.788148]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2496.793348]  ? rcu_note_context_switch+0x730/0x730
[ 2496.798284]  ? kasan_check_write+0x14/0x20
[ 2496.802554]  should_fail.cold.4+0xa/0x11
[ 2496.806638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2496.811745]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2496.817109]  ? trace_hardirqs_on+0x10/0x10
[ 2496.821350]  ? __find_get_block+0xe60/0xe60
[ 2496.825669]  ? memcg_kmem_get_cache+0x3a9/0x9d0
[ 2496.830338]  ? mem_cgroup_handle_over_high+0x130/0x130
[ 2496.835659]  ? perf_trace_lock+0xde/0x920
[ 2496.839810]  ? perf_trace_lock+0xde/0x920
[ 2496.843963]  ? __lockdep_init_map+0x105/0x590
[ 2496.848462]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2496.853485]  ? ext4_get_group_desc+0x1cd/0x2d0
[ 2496.858074]  ? check_same_owner+0x340/0x340
[ 2496.862415]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2496.867435]  ? rcu_note_context_switch+0x730/0x730
[ 2496.872382]  __should_failslab+0x124/0x180
[ 2496.876620]  should_failslab+0x9/0x14
[ 2496.880425]  kmem_cache_alloc+0x2af/0x760
[ 2496.884578]  ? ext4fs_dirhash+0x1090/0x1090
[ 2496.888906]  jbd2__journal_start+0x1e7/0xa80
[ 2496.893326]  ? jbd2_write_access_granted.part.9+0x430/0x430
[ 2496.899035]  ? rcu_note_context_switch+0x730/0x730
[ 2496.903967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2496.909509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2496.915048]  __ext4_journal_start_sb+0x182/0x600
[ 2496.919805]  ? __ext4_new_inode+0x388f/0x6620
[ 2496.924306]  ? ext4_journal_abort_handle.isra.5+0x260/0x260
[ 2496.930015]  ? find_next_zero_bit+0x111/0x140
[ 2496.934511]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2496.939535]  ? find_inode_bit.isra.17+0x36f/0x510
[ 2496.944384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2496.949949]  __ext4_new_inode+0x388f/0x6620
[ 2496.954314]  ? ext4_free_inode+0x1aa0/0x1aa0
[ 2496.958735]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2496.963763]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2496.968534]  ? lock_acquire+0x1e4/0x540
[ 2496.972510]  ? is_bpf_text_address+0xae/0x170
[ 2496.977004]  ? lock_downgrade+0x8f0/0x8f0
[ 2496.981152]  ? lock_release+0xa30/0xa30
[ 2496.985126]  ? kasan_check_read+0x11/0x20
[ 2496.989280]  ? rcu_is_watching+0x8c/0x150
[ 2496.993430]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2496.998096]  ? zap_class+0x740/0x740
[ 2497.001809]  ? is_bpf_text_address+0xd7/0x170
[ 2497.006306]  ? kernel_text_address+0x79/0xf0
[ 2497.010813]  ? __kernel_text_address+0xd/0x40
[ 2497.015310]  ? unwind_get_return_address+0x61/0xa0
[ 2497.020241]  ? __save_stack_trace+0x8d/0xf0
[ 2497.024571]  ? save_stack+0xa9/0xd0
[ 2497.028196]  ? save_stack+0x43/0xd0
[ 2497.031822]  ? __kasan_slab_free+0x11a/0x170
[ 2497.036227]  ? kasan_slab_free+0xe/0x10
[ 2497.040201]  ? kmem_cache_free+0x86/0x2d0
[ 2497.044349]  ? putname+0xf2/0x130
[ 2497.047799]  ? filename_create+0x2b2/0x5b0
[ 2497.052030]  ? do_mkdirat+0xda/0x310
[ 2497.055743]  ? __x64_sys_mkdir+0x5c/0x80
[ 2497.059802]  ? do_syscall_64+0x1b9/0x820
[ 2497.063861]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2497.069749]  ? kasan_check_read+0x11/0x20
[ 2497.073910]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2497.078346]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2497.082941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.088490]  ? __dquot_initialize+0x61d/0xde0
[ 2497.092993]  ? do_raw_spin_lock+0xc1/0x200
[ 2497.097227]  ? trace_hardirqs_off+0xd/0x10
[ 2497.101458]  ? _raw_spin_unlock_irqrestore+0x63/0xc0
[ 2497.106558]  ? dquot_get_next_dqblk+0x180/0x180
[ 2497.111224]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2497.116237]  ? kasan_check_write+0x14/0x20
[ 2497.120481]  ? trace_hardirqs_off+0xd/0x10
[ 2497.124718]  ext4_mkdir+0x2e1/0xe60
[ 2497.128354]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2497.133025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.138563]  ? security_inode_permission+0xd2/0x100
[ 2497.143582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.149131]  ? security_inode_mkdir+0xe8/0x120
[ 2497.153715]  vfs_mkdir+0x42e/0x6b0
[ 2497.157259]  do_mkdirat+0x27b/0x310
[ 2497.160889]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2497.165037]  ? ksys_ioctl+0x81/0xd0
[ 2497.168666]  __x64_sys_mkdir+0x5c/0x80
[ 2497.172551]  do_syscall_64+0x1b9/0x820
[ 2497.176437]  ? finish_task_switch+0x1d3/0x870
[ 2497.180933]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2497.185858]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2497.190788]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2497.195818]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2497.200830]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2497.205500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2497.210350]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2497.215533] RIP: 0033:0x455267
[ 2497.218712] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2497.238027] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2497.245732] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2497.252996] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2497.260263] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
08:33:02 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r2, 0x84, 0x6b, &(0x7f0000000140), 0x0)
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:02 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010202000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:02 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x9effffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:02 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001f04010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:02 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x80000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2497.267527] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2497.274793] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000018
[ 2497.283271] EXT4-fs error (device sda1) in __ext4_new_inode:930: Out of memory
08:33:02 executing program 6 (fault-call:1 fault-nth:25):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:02 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x2300}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2497.320385] FAT-fs (loop7): bogus logical sector size 7936
[ 2497.323902] FAT-fs (loop5): bogus number of reserved sectors
[ 2497.326167] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2497.331941] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:02 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2497.379078] FAT-fs (loop5): bogus number of reserved sectors
[ 2497.384976] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2497.409185] FAT-fs (loop7): bogus logical sector size 7936
[ 2497.414985] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2497.446651] FAULT_INJECTION: forcing a failure.
[ 2497.446651] name failslab, interval 1, probability 0, space 0, times 0
[ 2497.458099] CPU: 0 PID: 30240 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2497.466510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2497.475871] Call Trace:
[ 2497.478476]  dump_stack+0x1c9/0x2b4
[ 2497.482128]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2497.487342]  ? rcu_note_context_switch+0x730/0x730
[ 2497.492294]  ? kasan_check_write+0x14/0x20
[ 2497.496560]  should_fail.cold.4+0xa/0x11
[ 2497.500638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2497.505757]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2497.510868]  ? perf_trace_run_bpf_submit+0x270/0x3b0
[ 2497.515999]  ? __find_get_block+0xe60/0xe60
[ 2497.520326]  ? memcg_kmem_get_cache+0x3a9/0x9d0
[ 2497.525014]  ? memset+0x31/0x40
[ 2497.528310]  ? perf_trace_lock+0x49d/0x920
[ 2497.532557]  ? perf_trace_lock+0x49d/0x920
[ 2497.536814]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2497.541296] FAT-fs (loop4): bogus number of reserved sectors
[ 2497.541847]  ? ext4_get_group_desc+0x1cd/0x2d0
[ 2497.547687] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2497.552227]  ? check_same_owner+0x340/0x340
[ 2497.552250]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2497.552273]  ? rcu_note_context_switch+0x730/0x730
[ 2497.572413]  __should_failslab+0x124/0x180
[ 2497.576688]  should_failslab+0x9/0x14
[ 2497.580512]  kmem_cache_alloc+0x2af/0x760
[ 2497.584685]  ? ext4fs_dirhash+0x1090/0x1090
[ 2497.589046]  jbd2__journal_start+0x1e7/0xa80
08:33:03 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000072)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:03 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000240)={'team0\x00', <r2=>0x0})
setsockopt$packet_drop_memb(r0, 0x107, 0x2, &(0x7f00000002c0)={r2, 0x1, 0x6, @random="4c7502427893"}, 0x10)
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:03 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404011002000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:03 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174006304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:03 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfffffffe}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2497.593488]  ? jbd2_write_access_granted.part.9+0x430/0x430
[ 2497.599223]  ? rcu_note_context_switch+0x730/0x730
[ 2497.604184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2497.609815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.615399]  __ext4_journal_start_sb+0x182/0x600
[ 2497.620259]  ? __ext4_new_inode+0x388f/0x6620
[ 2497.624783]  ? ext4_journal_abort_handle.isra.5+0x260/0x260
[ 2497.630508]  ? find_next_zero_bit+0x111/0x140
[ 2497.635025]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2497.640058]  ? find_inode_bit.isra.17+0x36f/0x510
[ 2497.644912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.650475]  __ext4_new_inode+0x388f/0x6620
[ 2497.655020]  ? ext4_free_inode+0x1aa0/0x1aa0
[ 2497.659445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2497.664475]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2497.669264]  ? lock_acquire+0x1e4/0x540
[ 2497.673282]  ? is_bpf_text_address+0xae/0x170
[ 2497.677827]  ? lock_downgrade+0x8f0/0x8f0
[ 2497.681993]  ? lock_release+0xa30/0xa30
[ 2497.685986]  ? kasan_check_read+0x11/0x20
[ 2497.690147]  ? rcu_is_watching+0x8c/0x150
[ 2497.694307]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2497.698987]  ? zap_class+0x740/0x740
[ 2497.702723]  ? is_bpf_text_address+0xd7/0x170
[ 2497.707236]  ? kernel_text_address+0x79/0xf0
[ 2497.711661]  ? __kernel_text_address+0xd/0x40
[ 2497.716171]  ? unwind_get_return_address+0x61/0xa0
[ 2497.721113]  ? __save_stack_trace+0x8d/0xf0
[ 2497.725468]  ? save_stack+0xa9/0xd0
[ 2497.729108]  ? save_stack+0x43/0xd0
[ 2497.732763]  ? __kasan_slab_free+0x11a/0x170
[ 2497.737193]  ? kasan_slab_free+0xe/0x10
[ 2497.741201]  ? kmem_cache_free+0x86/0x2d0
[ 2497.745347]  ? putname+0xf2/0x130
[ 2497.748804]  ? filename_create+0x2b2/0x5b0
[ 2497.753038]  ? do_mkdirat+0xda/0x310
[ 2497.756748]  ? __x64_sys_mkdir+0x5c/0x80
[ 2497.760799]  ? do_syscall_64+0x1b9/0x820
[ 2497.764854]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2497.770226]  ? kasan_check_read+0x11/0x20
[ 2497.774364]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2497.778763]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2497.783337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.788864]  ? __dquot_initialize+0x61d/0xde0
[ 2497.793350]  ? do_raw_spin_lock+0xc1/0x200
[ 2497.797578]  ? trace_hardirqs_off+0xd/0x10
[ 2497.801806]  ? _raw_spin_unlock_irqrestore+0x63/0xc0
[ 2497.806899]  ? dquot_get_next_dqblk+0x180/0x180
[ 2497.811556]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2497.816561]  ? kasan_check_write+0x14/0x20
[ 2497.820797]  ? trace_hardirqs_off+0xd/0x10
[ 2497.825033]  ext4_mkdir+0x2e1/0xe60
[ 2497.828667]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2497.833334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.838875]  ? security_inode_permission+0xd2/0x100
[ 2497.843897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2497.850305]  ? security_inode_mkdir+0xe8/0x120
[ 2497.854885]  vfs_mkdir+0x42e/0x6b0
[ 2497.858419]  do_mkdirat+0x27b/0x310
[ 2497.862042]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2497.866183]  ? ksys_ioctl+0x81/0xd0
[ 2497.869805]  __x64_sys_mkdir+0x5c/0x80
[ 2497.873707]  do_syscall_64+0x1b9/0x820
[ 2497.877584]  ? finish_task_switch+0x1d3/0x870
[ 2497.882082]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2497.887003]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2497.891929]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2497.896950]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2497.901958]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2497.906621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2497.911463]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2497.916654] RIP: 0033:0x455267
[ 2497.919830] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2497.939237] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2497.946938] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2497.954197] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2497.961459] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2497.968719] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2497.975976] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000019
[ 2497.983353] EXT4-fs error (device sda1) in __ext4_new_inode:930: Out of memory
[ 2497.989623] FAT-fs (loop7): bogus logical sector size 25344
08:33:03 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xffffffffffffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:03 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xc0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2497.996543] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:03 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0fff0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:03 executing program 6 (fault-call:1 fault-nth:26):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2498.029881] FAT-fs (loop4): bogus number of reserved sectors
[ 2498.035781] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2498.046385] FAT-fs (loop7): bogus logical sector size 25344
[ 2498.052194] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2498.064146] FAT-fs (loop5): bogus number of reserved sectors
[ 2498.070051] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2498.099199] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2498.105550] FAT-fs (loop5): bogus number of reserved sectors
[ 2498.109155] FAULT_INJECTION: forcing a failure.
[ 2498.109155] name failslab, interval 1, probability 0, space 0, times 0
[ 2498.111645] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2498.122871] CPU: 1 PID: 30270 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2498.137103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2498.146456] Call Trace:
[ 2498.149049]  dump_stack+0x1c9/0x2b4
[ 2498.152684]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2498.158814]  should_fail.cold.4+0xa/0x11
[ 2498.162886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2498.167993]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2498.172407]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2498.177002]  ? kasan_check_write+0x14/0x20
[ 2498.181238]  ? do_raw_spin_lock+0xc1/0x200
[ 2498.185479]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 2498.191022]  ? __mark_inode_dirty+0x495/0x1550
[ 2498.195615]  ? __inode_attach_wb+0x13e0/0x13e0
[ 2498.200225]  ? kasan_check_read+0x11/0x20
[ 2498.204380]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2498.208791]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2498.213378]  ? kasan_check_write+0x14/0x20
[ 2498.217624]  ? check_same_owner+0x340/0x340
[ 2498.221961]  ? __dquot_alloc_space+0x4b6/0x8c0
[ 2498.226979]  ? rcu_note_context_switch+0x730/0x730
[ 2498.231912]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2498.236929]  __should_failslab+0x124/0x180
[ 2498.241172]  should_failslab+0x9/0x14
[ 2498.244972]  kmem_cache_alloc+0x2af/0x760
[ 2498.249124]  ? percpu_counter_add_batch+0xf2/0x150
[ 2498.254149]  ext4_mb_new_blocks+0x774/0x4740
[ 2498.258567]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2498.263587]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2498.268355]  ? ext4_discard_preallocations+0x13d0/0x13d0
[ 2498.273822]  ? lock_release+0xa30/0xa30
[ 2498.278157]  ? kasan_check_read+0x11/0x20
[ 2498.282317]  ? rcu_is_watching+0x8c/0x150
[ 2498.286471]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2498.291147]  ? is_bpf_text_address+0xd7/0x170
[ 2498.295653]  ? kernel_text_address+0x79/0xf0
[ 2498.300067]  ? __kernel_text_address+0xd/0x40
[ 2498.304564]  ? unwind_get_return_address+0x61/0xa0
[ 2498.309498]  ? __save_stack_trace+0x8d/0xf0
[ 2498.313830]  ? save_stack+0xa9/0xd0
[ 2498.317461]  ? save_stack+0x43/0xd0
[ 2498.321092]  ? kasan_kmalloc+0xc4/0xe0
[ 2498.324984]  ? __kmalloc+0x14e/0x760
[ 2498.328696]  ? ext4_find_extent+0x775/0xa10
[ 2498.333017]  ? ext4_ext_map_blocks+0x293/0x62e0
[ 2498.337689]  ? ext4_map_blocks+0x8f3/0x1b60
[ 2498.342009]  ? ext4_getblk+0x10e/0x630
[ 2498.345897]  ? ext4_bread+0x95/0x2b0
[ 2498.349607]  ? ext4_append+0x14e/0x370
[ 2498.353493]  ? ext4_mkdir+0x532/0xe60
[ 2498.357293]  ? vfs_mkdir+0x42e/0x6b0
[ 2498.361182]  ? do_mkdirat+0x27b/0x310
[ 2498.364982]  ? __x64_sys_mkdir+0x5c/0x80
[ 2498.369060]  ? do_syscall_64+0x1b9/0x820
[ 2498.373125]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2498.378498]  ? save_stack+0xa9/0xd0
[ 2498.382126]  ? save_stack+0x43/0xd0
[ 2498.385756]  ? __kasan_slab_free+0x11a/0x170
[ 2498.390172]  ? kasan_slab_free+0xe/0x10
[ 2498.394150]  ? kfree+0xd9/0x260
[ 2498.397434]  ? ext4_ext_map_blocks+0xede/0x62e0
[ 2498.402118]  ? ext4_map_blocks+0xe31/0x1b60
[ 2498.406448]  ? ext4_getblk+0x10e/0x630
[ 2498.410341]  ? ext4_bread+0x95/0x2b0
[ 2498.414064]  ? ext4_append+0x14e/0x370
[ 2498.417956]  ? ext4_mkdir+0x532/0xe60
[ 2498.421763]  ? vfs_mkdir+0x42e/0x6b0
[ 2498.426185]  ? do_mkdirat+0x27b/0x310
[ 2498.429987]  ? __x64_sys_mkdir+0x5c/0x80
[ 2498.434054]  ? do_syscall_64+0x1b9/0x820
[ 2498.438117]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2498.443589]  ? kasan_check_read+0x11/0x20
[ 2498.447736]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2498.452185]  ? check_same_owner+0x340/0x340
[ 2498.456519]  ? kasan_check_write+0x14/0x20
[ 2498.460766]  ? kasan_unpoison_shadow+0x35/0x50
[ 2498.465352]  ? kasan_kmalloc+0xc4/0xe0
[ 2498.469243]  ? __kmalloc+0x315/0x760
[ 2498.472962]  ? trace_hardirqs_off+0xd/0x10
[ 2498.477371]  ? ext4_find_extent+0x775/0xa10
[ 2498.481699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2498.487251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2498.492794]  ? ext4_inode_to_goal_block+0x2e3/0x3f0
[ 2498.497821]  ext4_ext_map_blocks+0x2dc0/0x62e0
[ 2498.502415]  ? ext4_find_delalloc_cluster+0xc0/0xc0
[ 2498.507440]  ? perf_trace_lock+0xde/0x920
[ 2498.511600]  ? zap_class+0x740/0x740
[ 2498.515320]  ? lock_acquire+0x1e4/0x540
[ 2498.519302]  ? ext4_es_lookup_extent+0x42c/0xde0
[ 2498.524061]  ? lock_downgrade+0x8f0/0x8f0
[ 2498.528316]  ? ext4_map_blocks+0x480/0x1b60
[ 2498.532646]  ? lock_acquire+0x1e4/0x540
[ 2498.536624]  ? ext4_map_blocks+0x88b/0x1b60
[ 2498.540953]  ? lock_release+0xa30/0xa30
[ 2498.544928]  ? check_same_owner+0x340/0x340
08:33:04 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000005d)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2498.549265]  ? ext4_map_blocks+0x66a/0x1b60
[ 2498.553683]  ? rcu_note_context_switch+0x730/0x730
[ 2498.558630]  ? down_write+0x8f/0x130
[ 2498.562357]  ? ext4_map_blocks+0x88b/0x1b60
[ 2498.566690]  ? down_read+0x1d0/0x1d0
[ 2498.570424]  ext4_map_blocks+0x8f3/0x1b60
[ 2498.574585]  ? __save_stack_trace+0x8d/0xf0
[ 2498.578925]  ? ext4_issue_zeroout+0x190/0x190
[ 2498.583429]  ? save_stack+0x43/0xd0
[ 2498.587055]  ? __kasan_slab_free+0x11a/0x170
[ 2498.591548]  ? kasan_slab_free+0xe/0x10
[ 2498.595521]  ? kmem_cache_free+0x86/0x2d0
[ 2498.599673]  ext4_getblk+0x10e/0x630
[ 2498.603396]  ? ext4_iomap_begin+0x1350/0x1350
[ 2498.607899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2498.613437]  ? __dquot_initialize+0x61d/0xde0
[ 2498.617939]  ext4_bread+0x95/0x2b0
[ 2498.621488]  ? ext4_getblk+0x630/0x630
[ 2498.625372]  ? dquot_get_next_dqblk+0x180/0x180
[ 2498.630042]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2498.635059]  ? kasan_check_write+0x14/0x20
[ 2498.639299]  ext4_append+0x14e/0x370
[ 2498.643019]  ext4_mkdir+0x532/0xe60
[ 2498.646653]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2498.651325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2498.656950]  ? security_inode_permission+0xd2/0x100
[ 2498.661966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2498.667502]  ? security_inode_mkdir+0xe8/0x120
[ 2498.672093]  vfs_mkdir+0x42e/0x6b0
[ 2498.675661]  do_mkdirat+0x27b/0x310
[ 2498.679316]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2498.683474]  ? ksys_ioctl+0x81/0xd0
[ 2498.687102]  __x64_sys_mkdir+0x5c/0x80
[ 2498.691013]  do_syscall_64+0x1b9/0x820
[ 2498.694916]  ? finish_task_switch+0x1d3/0x870
[ 2498.699412]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2498.704355]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2498.709290]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2498.714309]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2498.719331]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2498.724003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2498.728855]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2498.734044] RIP: 0033:0x455267
08:33:04 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174800204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:04 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x68}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2498.737226] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2498.756544] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2498.764272] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2498.771540] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2498.779242] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2498.786513] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2498.793781] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001a
08:33:04 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xe000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:04 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x8100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2498.882954] FAT-fs (loop7): bogus logical sector size 640
[ 2498.888599] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2498.890315] FAT-fs (loop4): bogus number of reserved sectors
[ 2498.900495] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:04 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000a04010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2498.940132] FAT-fs (loop7): bogus logical sector size 640
[ 2498.941789] FAT-fs (loop5): bogus number of reserved sectors
[ 2498.945799] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2498.957736] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2498.999860] FAT-fs (loop4): bogus number of reserved sectors
[ 2499.004670] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2499.005832] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2499.025255] FAT-fs (loop7): bogus logical sector size 2560
[ 2499.027739] FAT-fs (loop5): bogus number of reserved sectors
[ 2499.031027] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2499.036801] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2499.061469] FAT-fs (loop2): bogus number of directory entries (767)
[ 2499.068226] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:04 executing program 6 (fault-call:1 fault-nth:27):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:04 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
clock_gettime(0x0, &(0x7f0000003a80)={<r1=>0x0, <r2=>0x0})
recvmmsg(r0, &(0x7f0000003900)=[{{&(0x7f0000000440)=@pptp={0x0, 0x0, {0x0, @multicast1}}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000500)}, {&(0x7f0000000540)=""/67, 0x43}], 0x2, &(0x7f0000000600)=""/193, 0xc1, 0xdc}, 0x1ff}, {{&(0x7f0000000700)=@ipx, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000780)=""/169, 0xa9}, {&(0x7f0000001300)=""/4096, 0x1000}, {&(0x7f0000000840)=""/15, 0xf}, {&(0x7f0000000880)=""/35, 0x23}], 0x4, &(0x7f0000000900)=""/190, 0xbe, 0x2}, 0x9}, {{&(0x7f00000009c0)=@ethernet={0x0, @link_local}, 0x80, &(0x7f0000000c80)=[{&(0x7f0000002300)=""/4096, 0x1000}, {&(0x7f0000000a40)=""/246, 0xf6}, {&(0x7f0000000b40)=""/64, 0x40}, {&(0x7f0000000b80)=""/51, 0x33}, {&(0x7f0000000bc0)=""/170, 0xaa}], 0x5, &(0x7f0000000d00)=""/201, 0xc9, 0x6}, 0x8}, {{&(0x7f0000000e00)=@pppoe={0x0, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000001180)=[{&(0x7f0000000e80)=""/240, 0xf0}, {&(0x7f0000000f80)=""/254, 0xfe}, {&(0x7f0000001080)=""/203, 0xcb}], 0x3, &(0x7f00000011c0)=""/177, 0xb1, 0x3}, 0x4}, {{&(0x7f0000003300)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000003580)=[{&(0x7f0000003380)=""/112, 0x70}, {&(0x7f0000003400)=""/165, 0xa5}, {&(0x7f0000001280)=""/19, 0x13}, {&(0x7f00000034c0)=""/186, 0xba}], 0x4, 0x0, 0x0, 0x10000}, 0x100000000}, {{&(0x7f00000035c0)=@nfc, 0x80, &(0x7f0000003840)=[{&(0x7f0000003640)=""/221, 0xdd}, {&(0x7f0000003740)=""/216, 0xd8}], 0x2, &(0x7f0000003880)=""/127, 0x7f, 0x870}, 0x1}], 0x6, 0x42, &(0x7f0000003ac0)={r1, r2+10000000})
r3 = getpgrp(0x0)
sched_setattr(r3, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x400000000000001})
r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
get_robust_list(r3, &(0x7f0000000380)=&(0x7f0000000340)={&(0x7f0000000240)={&(0x7f0000000140)}, 0x0, &(0x7f0000000300)={&(0x7f00000002c0)}}, &(0x7f00000003c0)=0x18)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r4}, 0x10)
r5 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r5, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r5, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000500)=0x1, 0x4)

08:33:04 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x2}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:04 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf0a0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:04 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2499.104605] FAT-fs (loop7): bogus logical sector size 2560
[ 2499.110330] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:04 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x6000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2499.169163] FAT-fs (loop2): bogus number of directory entries (767)
[ 2499.170154] FAT-fs (loop5): bogus number of reserved sectors
[ 2499.175736] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2499.181700] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2499.199121] FAT-fs (loop4): invalid media value (0x0c)
[ 2499.204612] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2499.217873] FAT-fs (loop7): bogus logical sector size 768
[ 2499.223535] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:04 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0e000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:04 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x4000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2499.260354] FAT-fs (loop4): invalid media value (0x0c)
[ 2499.265948] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2499.277709] FAT-fs (loop7): bogus logical sector size 768
[ 2499.283369] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2499.304252] FAULT_INJECTION: forcing a failure.
[ 2499.304252] name failslab, interval 1, probability 0, space 0, times 0
[ 2499.313760] FAT-fs (loop5): bogus number of reserved sectors
[ 2499.315602] CPU: 1 PID: 30326 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2499.321416] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2499.329764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2499.329770] Call Trace:
[ 2499.329799]  dump_stack+0x1c9/0x2b4
[ 2499.329814]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2499.329837]  ? zap_class+0x740/0x740
[ 2499.360218]  ? update_curr+0x4c8/0xc00
[ 2499.364135]  should_fail.cold.4+0xa/0x11
[ 2499.368229]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2499.373354]  ? visit_groups_merge+0x541/0x6c0
[ 2499.377859]  ? pinned_sched_in+0xc70/0xc70
[ 2499.382103]  ? trace_hardirqs_on+0x10/0x10
[ 2499.386347]  ? kvm_clock_read+0x25/0x30
[ 2499.390324]  ? kvm_sched_clock_read+0x9/0x20
[ 2499.394731]  ? sched_clock+0x31/0x40
[ 2499.398456]  ? __perf_event_task_sched_in+0x91d/0xbb0
[ 2499.403667]  ? perf_trace_lock+0xde/0x920
[ 2499.407818]  ? visit_groups_merge+0x6c0/0x6c0
[ 2499.412321]  ? zap_class+0x740/0x740
[ 2499.416035]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2499.420625]  ? kasan_check_write+0x14/0x20
[ 2499.424861]  ? check_same_owner+0x340/0x340
[ 2499.429183]  ? rcu_note_context_switch+0x730/0x730
[ 2499.434115]  ? __perf_event_task_sched_in+0x24f/0xbb0
[ 2499.439309]  __should_failslab+0x124/0x180
[ 2499.443563]  should_failslab+0x9/0x14
[ 2499.447367]  __kmalloc+0x2c8/0x760
[ 2499.450913]  ? ext4_find_extent+0x775/0xa10
[ 2499.455246]  ext4_find_extent+0x775/0xa10
[ 2499.459404]  ext4_ext_map_blocks+0x293/0x62e0
[ 2499.463904]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2499.468500]  ? ext4_find_delalloc_cluster+0xc0/0xc0
[ 2499.473604]  ? finish_task_switch+0x18a/0x870
[ 2499.478119]  ? preempt_notifier_register+0x200/0x200
[ 2499.483250]  ? lock_repin_lock+0x430/0x430
[ 2499.487501]  ? kasan_check_write+0x14/0x20
[ 2499.491769]  ? __schedule+0x884/0x1ed0
[ 2499.495659]  ? lock_downgrade+0x8f0/0x8f0
[ 2499.499815]  ? __sched_text_start+0x8/0x8
[ 2499.503970]  ? ext4_map_blocks+0x480/0x1b60
[ 2499.508295]  ? lock_acquire+0x1e4/0x540
[ 2499.512268]  ? ext4_map_blocks+0x88b/0x1b60
[ 2499.516634]  ? lock_release+0xa30/0xa30
[ 2499.520610]  ? check_same_owner+0x340/0x340
[ 2499.524951]  ? lock_downgrade+0x8f0/0x8f0
[ 2499.529103]  ? down_write+0x8f/0x130
[ 2499.532818]  ? ext4_map_blocks+0x88b/0x1b60
[ 2499.537133]  ? down_read+0x1d0/0x1d0
[ 2499.540850]  ext4_map_blocks+0x8f3/0x1b60
[ 2499.544998]  ? __save_stack_trace+0x8d/0xf0
[ 2499.549327]  ? ext4_issue_zeroout+0x190/0x190
[ 2499.553826]  ? save_stack+0x43/0xd0
[ 2499.557451]  ? __kasan_slab_free+0x11a/0x170
[ 2499.561856]  ? kasan_slab_free+0xe/0x10
[ 2499.565835]  ? kmem_cache_free+0x86/0x2d0
[ 2499.569987]  ext4_getblk+0x10e/0x630
[ 2499.573702]  ? ext4_iomap_begin+0x1350/0x1350
[ 2499.578204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2499.583739]  ? __dquot_initialize+0x61d/0xde0
[ 2499.588239]  ext4_bread+0x95/0x2b0
[ 2499.591783]  ? ext4_getblk+0x630/0x630
[ 2499.595688]  ? dquot_get_next_dqblk+0x180/0x180
[ 2499.600359]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2499.605375]  ? kasan_check_write+0x14/0x20
[ 2499.609616]  ext4_append+0x14e/0x370
[ 2499.613332]  ext4_mkdir+0x532/0xe60
[ 2499.616962]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2499.621639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2499.627179]  ? security_inode_permission+0xd2/0x100
[ 2499.632232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2499.637770]  ? security_inode_mkdir+0xe8/0x120
[ 2499.642354]  vfs_mkdir+0x42e/0x6b0
[ 2499.645908]  do_mkdirat+0x27b/0x310
[ 2499.649545]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2499.653698]  ? syscall_slow_exit_work+0x500/0x500
[ 2499.658547]  ? ksys_ioctl+0x81/0xd0
[ 2499.662180]  __x64_sys_mkdir+0x5c/0x80
[ 2499.666079]  do_syscall_64+0x1b9/0x820
[ 2499.669967]  ? finish_task_switch+0x1d3/0x870
[ 2499.674465]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2499.679399]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2499.684330]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2499.689355]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2499.694377]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2499.699054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2499.703900]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2499.709180] RIP: 0033:0x455267
[ 2499.712364] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2499.731677] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2499.739390] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2499.746657] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2499.753923] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
08:33:05 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x4f73}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:05 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000904010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:05 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000037)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:05 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xab04000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:05 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xff070400}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2499.761203] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2499.768471] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001b
08:33:05 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x734f000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:05 executing program 6 (fault-call:1 fault-nth:28):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:05 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0f000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2499.839564] FAT-fs (loop4): bogus number of reserved sectors
[ 2499.845514] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2499.851467] FAT-fs (loop7): bogus logical sector size 2304
[ 2499.857111] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2499.886538] FAT-fs (loop5): bogus number of reserved sectors
[ 2499.892476] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2499.903480] FAT-fs (loop4): bogus number of reserved sectors
[ 2499.908981] FAULT_INJECTION: forcing a failure.
[ 2499.908981] name failslab, interval 1, probability 0, space 0, times 0
[ 2499.909422] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2499.920637] CPU: 1 PID: 30360 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2499.934933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2499.944463] Call Trace:
[ 2499.947059]  dump_stack+0x1c9/0x2b4
[ 2499.950688]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2499.955883]  ? zap_class+0x740/0x740
[ 2499.959596]  should_fail.cold.4+0xa/0x11
[ 2499.963649]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2499.968761]  ? trace_hardirqs_on+0x10/0x10
[ 2499.972986]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2499.978025]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2499.982771]  ? lock_acquire+0x1e4/0x540
[ 2499.986742]  ? is_bpf_text_address+0xae/0x170
[ 2499.991226]  ? perf_trace_lock+0xde/0x920
[ 2499.995360]  ? lock_release+0xa30/0xa30
[ 2499.999323]  ? zap_class+0x740/0x740
[ 2500.003034]  ? rcu_is_watching+0x8c/0x150
[ 2500.007170]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2500.011842]  ? is_bpf_text_address+0xd7/0x170
[ 2500.016328]  ? kernel_text_address+0x79/0xf0
[ 2500.020727]  __should_failslab+0x124/0x180
[ 2500.024954]  should_failslab+0x9/0x14
[ 2500.028740]  kmem_cache_alloc+0x47/0x760
[ 2500.032788]  ? __es_tree_search.isra.13+0x1ba/0x220
[ 2500.037988]  __es_insert_extent+0x305/0x1140
[ 2500.042391]  ? ext4_es_insert_extent+0x21c/0x7e0
[ 2500.047135]  ? ext4_es_free_extent+0x820/0x820
[ 2500.051705]  ? lock_release+0xa30/0xa30
[ 2500.055668]  ? __x64_sys_mkdir+0x5c/0x80
[ 2500.059714]  ? do_syscall_64+0x1b9/0x820
[ 2500.063762]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2500.069116]  ? kasan_check_write+0x14/0x20
[ 2500.073336]  ? do_raw_write_lock+0xbd/0x1b0
[ 2500.077649]  ext4_es_insert_extent+0x2ea/0x7e0
[ 2500.082741]  ? ext4_es_find_delayed_extent_range+0xd80/0xd80
[ 2500.088531]  ? kasan_unpoison_shadow+0x35/0x50
[ 2500.093129]  ? kasan_kmalloc+0xc4/0xe0
[ 2500.097023]  ? __kmalloc+0x315/0x760
[ 2500.100726]  ext4_ext_put_gap_in_cache+0x158/0x1f0
[ 2500.105640]  ? ext4_zeroout_es+0x160/0x160
[ 2500.109865]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2500.115390]  ext4_ext_map_blocks+0x2453/0x62e0
[ 2500.119964]  ? unregister_lsm_notifier+0x20/0x20
[ 2500.124706]  ? ext4_init_acl+0x1d6/0x300
[ 2500.128764]  ? ext4_find_delalloc_cluster+0xc0/0xc0
[ 2500.133776]  ? lock_acquire+0x1e4/0x540
[ 2500.137740]  ? ext4_es_lookup_extent+0x42c/0xde0
[ 2500.142481]  ? lock_downgrade+0x8f0/0x8f0
[ 2500.146617]  ? lock_release+0xa30/0xa30
[ 2500.150592]  ? lock_acquire+0x1e4/0x540
[ 2500.155313]  ? ext4_map_blocks+0x480/0x1b60
[ 2500.159626]  ? lock_release+0xa30/0xa30
[ 2500.163607]  ? check_same_owner+0x340/0x340
[ 2500.167915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2500.173439]  ? ext4_es_lookup_extent+0x465/0xde0
[ 2500.178181]  ? rcu_note_context_switch+0x730/0x730
[ 2500.183450]  ? down_read+0xb5/0x1d0
[ 2500.187075]  ? ext4_map_blocks+0x480/0x1b60
[ 2500.191380]  ? __down_interruptible+0x700/0x700
[ 2500.196041]  ? kernel_text_address+0x79/0xf0
[ 2500.200448]  ext4_map_blocks+0xe31/0x1b60
[ 2500.204585]  ? __save_stack_trace+0x8d/0xf0
[ 2500.208895]  ? ext4_issue_zeroout+0x190/0x190
[ 2500.213391]  ? save_stack+0x43/0xd0
[ 2500.217005]  ? __kasan_slab_free+0x11a/0x170
[ 2500.221403]  ? kasan_slab_free+0xe/0x10
[ 2500.225363]  ? kmem_cache_free+0x86/0x2d0
[ 2500.229518]  ext4_getblk+0x10e/0x630
[ 2500.233233]  ? ext4_iomap_begin+0x1350/0x1350
[ 2500.237725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2500.243247]  ? __dquot_initialize+0x61d/0xde0
[ 2500.247743]  ext4_bread+0x95/0x2b0
[ 2500.251272]  ? ext4_getblk+0x630/0x630
[ 2500.255145]  ? dquot_get_next_dqblk+0x180/0x180
[ 2500.259798]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2500.264801]  ? kasan_check_write+0x14/0x20
[ 2500.269039]  ext4_append+0x14e/0x370
[ 2500.272742]  ext4_mkdir+0x532/0xe60
[ 2500.276358]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2500.281018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2500.286544]  ? security_inode_permission+0xd2/0x100
[ 2500.291549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2500.297070]  ? security_inode_mkdir+0xe8/0x120
[ 2500.301640]  vfs_mkdir+0x42e/0x6b0
[ 2500.305169]  do_mkdirat+0x27b/0x310
[ 2500.308794]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2500.312930]  ? ksys_ioctl+0x81/0xd0
[ 2500.316544]  __x64_sys_mkdir+0x5c/0x80
[ 2500.320418]  do_syscall_64+0x1b9/0x820
[ 2500.324310]  ? finish_task_switch+0x1d3/0x870
[ 2500.328817]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2500.333733]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2500.338659]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2500.343681]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2500.348683]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2500.353341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2500.358173]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2500.363347] RIP: 0033:0x455267
[ 2500.366531] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2500.385730] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2500.393423] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2500.400680] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2500.407945] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2500.415204] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2500.422468] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001c
08:33:05 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfcfdffff00000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2500.439929] FAT-fs (loop6): bogus number of reserved sectors
[ 2500.440240] FAT-fs (loop7): bogus logical sector size 2304
[ 2500.445907] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2500.451580] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2500.466648] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2500.508754] FAT-fs (loop5): bogus number of reserved sectors
[ 2500.514672] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2500.537072] FAT-fs (loop4): bogus number of reserved sectors
[ 2500.542979] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2500.595244] FAT-fs (loop4): bogus number of reserved sectors
[ 2500.601153] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:06 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
ioctl$PPPOEIOCDFWD(r0, 0xb101, 0x0)

08:33:06 executing program 6 (fault-call:1 fault-nth:29):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:06 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffff7f00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:06 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174006304010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:06 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a06030274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:06 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4c00}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:06 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x77260000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2500.750752] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2500.750914] FAT-fs (loop2): bogus number of directory entries (515)
[ 2500.764046] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2500.775362] FAT-fs (loop7): bogus logical sector size 25344
[ 2500.781186] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:06 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf0ffffffffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2500.807616] FAT-fs (loop5): bogus number of reserved sectors
[ 2500.813562] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2500.826094] FAT-fs (loop4): bogus number of reserved sectors
[ 2500.832033] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2500.852759] FAULT_INJECTION: forcing a failure.
[ 2500.852759] name failslab, interval 1, probability 0, space 0, times 0
[ 2500.858428] FAT-fs (loop7): bogus logical sector size 25344
[ 2500.864210] CPU: 0 PID: 30393 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2500.869819] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2500.878192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2500.878202] Call Trace:
[ 2500.878231]  dump_stack+0x1c9/0x2b4
[ 2500.878254]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2500.888501] FAT-fs (loop5): bogus number of reserved sectors
[ 2500.893499]  ? perf_tp_event+0x91b/0xc40
[ 2500.893527]  ? kasan_check_read+0x11/0x20
[ 2500.896122] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2500.899814]  ? rcu_is_watching+0x8c/0x150
[ 2500.899848]  should_fail.cold.4+0xa/0x11
[ 2500.933178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2500.938301]  ? kernel_text_address+0x79/0xf0
[ 2500.942730]  ? __save_stack_trace+0x8d/0xf0
[ 2500.947084]  ? save_stack+0xa9/0xd0
[ 2500.950734]  ? save_stack+0x43/0xd0
[ 2500.954371]  ? __kasan_slab_free+0x11a/0x170
[ 2500.958783]  ? kasan_slab_free+0xe/0x10
[ 2500.962764]  ? kfree+0xd9/0x260
[ 2500.966052]  ? ext4_ext_map_blocks+0xede/0x62e0
[ 2500.970729]  ? ext4_map_blocks+0xe31/0x1b60
[ 2500.975062]  ? ext4_getblk+0x10e/0x630
[ 2500.978958]  ? ext4_bread+0x95/0x2b0
[ 2500.982677]  ? ext4_append+0x14e/0x370
[ 2500.986569]  ? ext4_mkdir+0x532/0xe60
[ 2500.990379]  ? vfs_mkdir+0x42e/0x6b0
[ 2500.994101]  ? __x64_sys_mkdir+0x5c/0x80
[ 2500.998173]  ? do_syscall_64+0x1b9/0x820
[ 2501.002243]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2501.007620]  ? kasan_check_read+0x11/0x20
[ 2501.011782]  ? check_same_owner+0x340/0x340
[ 2501.016114]  ? kasan_check_write+0x14/0x20
[ 2501.020358]  ? rcu_note_context_switch+0x730/0x730
[ 2501.025303]  __should_failslab+0x124/0x180
[ 2501.029555]  should_failslab+0x9/0x14
[ 2501.033363]  __kmalloc+0x2c8/0x760
[ 2501.036919]  ? trace_hardirqs_off+0xd/0x10
[ 2501.041168]  ? ext4_find_extent+0x775/0xa10
[ 2501.045505]  ext4_find_extent+0x775/0xa10
[ 2501.049668]  ? trace_hardirqs_on+0xd/0x10
[ 2501.053832]  ext4_ext_map_blocks+0x293/0x62e0
[ 2501.058362]  ? ext4_find_delalloc_cluster+0xc0/0xc0
[ 2501.063385]  ? memset+0x31/0x40
[ 2501.066685]  ? perf_trace_lock+0x49d/0x920
[ 2501.070944]  ? zap_class+0x740/0x740
[ 2501.074666]  ? lock_acquire+0x1e4/0x540
[ 2501.078648]  ? ext4_es_lookup_extent+0x42c/0xde0
[ 2501.083424]  ? lock_downgrade+0x8f0/0x8f0
[ 2501.087589]  ? lock_release+0xa30/0xa30
[ 2501.091582]  ? ext4_map_blocks+0x480/0x1b60
[ 2501.095919]  ? lock_acquire+0x1e4/0x540
[ 2501.099902]  ? ext4_map_blocks+0x88b/0x1b60
[ 2501.104241]  ? lock_release+0xa30/0xa30
[ 2501.108222]  ? check_same_owner+0x340/0x340
[ 2501.112554]  ? ext4_map_blocks+0x66a/0x1b60
[ 2501.116890]  ? rcu_note_context_switch+0x730/0x730
[ 2501.121846]  ? down_write+0x8f/0x130
[ 2501.125567]  ? ext4_map_blocks+0x88b/0x1b60
[ 2501.129897]  ? down_read+0x1d0/0x1d0
[ 2501.133632]  ext4_map_blocks+0x8f3/0x1b60
[ 2501.137789]  ? __save_stack_trace+0x8d/0xf0
[ 2501.142139]  ? ext4_issue_zeroout+0x190/0x190
[ 2501.146651]  ? save_stack+0x43/0xd0
[ 2501.150296]  ? __kasan_slab_free+0x11a/0x170
[ 2501.154712]  ? kasan_slab_free+0xe/0x10
[ 2501.158696]  ? kmem_cache_free+0x86/0x2d0
[ 2501.162859]  ext4_getblk+0x10e/0x630
[ 2501.166594]  ? ext4_iomap_begin+0x1350/0x1350
[ 2501.171108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2501.176656]  ? __dquot_initialize+0x61d/0xde0
[ 2501.181175]  ext4_bread+0x95/0x2b0
[ 2501.184729]  ? ext4_getblk+0x630/0x630
[ 2501.188621]  ? dquot_get_next_dqblk+0x180/0x180
[ 2501.193298]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2501.198327]  ? kasan_check_write+0x14/0x20
[ 2501.202772]  ext4_append+0x14e/0x370
[ 2501.206509]  ext4_mkdir+0x532/0xe60
[ 2501.210161]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2501.214847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2501.220394]  ? security_inode_permission+0xd2/0x100
[ 2501.225430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2501.230998]  ? security_inode_mkdir+0xe8/0x120
[ 2501.235599]  vfs_mkdir+0x42e/0x6b0
[ 2501.239158]  do_mkdirat+0x27b/0x310
[ 2501.242805]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2501.246965]  ? ksys_ioctl+0x81/0xd0
[ 2501.250611]  __x64_sys_mkdir+0x5c/0x80
[ 2501.254511]  do_syscall_64+0x1b9/0x820
[ 2501.258870]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2501.263810]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2501.268754]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2501.274046]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2501.279081]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2501.283764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2501.288627]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2501.293822] RIP: 0033:0x455267
[ 2501.297010] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2501.316602] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2501.324325] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2501.331601] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2501.338876] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2501.346154] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
08:33:06 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000be)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:06 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x4000000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2501.353428] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001d
[ 2501.367112] FAT-fs (loop2): bogus number of directory entries (515)
[ 2501.373691] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:06 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000204010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:06 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x9401}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2501.400479] FAT-fs (loop4): bogus number of reserved sectors
[ 2501.406372] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2501.418635] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:06 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0a000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:06 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xa00}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:06 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001404010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:06 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2501.456607] FAT-fs (loop5): bogus number of reserved sectors
[ 2501.462583] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2501.527674] FAT-fs (loop7): bogus logical sector size 5120
[ 2501.533498] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2501.544485] FAT-fs (loop5): bogus number of reserved sectors
[ 2501.550433] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2501.551635] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2501.557080] FAT-fs (loop4): bogus number of reserved sectors
[ 2501.569130] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2501.591705] FAT-fs (loop7): bogus logical sector size 5120
[ 2501.597543] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2501.622151] FAT-fs (loop4): bogus number of reserved sectors
[ 2501.628508] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:07 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
symlinkat(&(0x7f0000000140)='./file0/file0\x00', r0, &(0x7f0000000240)='./file0/file0\x00')
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
ioctl$FS_IOC_GETFSLABEL(r2, 0x81009431, &(0x7f00000002c0))

08:33:07 executing program 6 (fault-call:1 fault-nth:30):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:07 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a10000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:07 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x400000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:07 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174001004010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:07 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:07 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc327}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2501.755757] FAULT_INJECTION: forcing a failure.
[ 2501.755757] name failslab, interval 1, probability 0, space 0, times 0
[ 2501.767245] CPU: 1 PID: 30439 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2501.775668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2501.781636] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2501.785036] Call Trace:
[ 2501.785065]  dump_stack+0x1c9/0x2b4
[ 2501.785085]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2501.785113]  ? kasan_check_read+0x11/0x20
[ 2501.807190]  ? rcu_is_watching+0x8c/0x150
[ 2501.811388]  should_fail.cold.4+0xa/0x11
[ 2501.815474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2501.820605]  ? kernel_text_address+0x79/0xf0
[ 2501.825033]  ? __kernel_text_address+0xd/0x40
[ 2501.829529]  ? unwind_get_return_address+0x61/0xa0
[ 2501.834477]  ? __save_stack_trace+0x8d/0xf0
[ 2501.838806]  ? save_stack+0xa9/0xd0
[ 2501.842424]  ? save_stack+0x43/0xd0
[ 2501.846041]  ? __kasan_slab_free+0x11a/0x170
[ 2501.850704]  ? kasan_slab_free+0xe/0x10
[ 2501.854663]  ? kfree+0xd9/0x260
[ 2501.857931]  ? ext4_ext_map_blocks+0xede/0x62e0
[ 2501.862587]  ? ext4_map_blocks+0xe31/0x1b60
[ 2501.866895]  ? ext4_getblk+0x10e/0x630
[ 2501.870768]  ? ext4_bread+0x95/0x2b0
[ 2501.874466]  ? ext4_append+0x14e/0x370
[ 2501.878337]  ? ext4_mkdir+0x532/0xe60
[ 2501.882126]  ? vfs_mkdir+0x42e/0x6b0
[ 2501.885825]  ? __x64_sys_mkdir+0x5c/0x80
[ 2501.889879]  ? do_syscall_64+0x1b9/0x820
[ 2501.893929]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2501.899279]  ? kasan_check_read+0x11/0x20
[ 2501.903427]  ? check_same_owner+0x340/0x340
[ 2501.907750]  ? kasan_check_write+0x14/0x20
[ 2501.911971]  ? rcu_note_context_switch+0x730/0x730
[ 2501.916892]  __should_failslab+0x124/0x180
[ 2501.921119]  should_failslab+0x9/0x14
[ 2501.924993]  __kmalloc+0x2c8/0x760
[ 2501.928523]  ? trace_hardirqs_off+0xd/0x10
[ 2501.932743]  ? ext4_find_extent+0x775/0xa10
[ 2501.937051]  ext4_find_extent+0x775/0xa10
[ 2501.941186]  ? trace_hardirqs_on+0xd/0x10
[ 2501.945322]  ext4_ext_map_blocks+0x293/0x62e0
[ 2501.949811]  ? ext4_find_delalloc_cluster+0xc0/0xc0
[ 2501.954817]  ? perf_trace_lock+0xde/0x920
[ 2501.958954]  ? zap_class+0x740/0x740
[ 2501.962665]  ? lock_acquire+0x1e4/0x540
[ 2501.966640]  ? ext4_es_lookup_extent+0x42c/0xde0
[ 2501.972524]  ? lock_downgrade+0x8f0/0x8f0
[ 2501.976660]  ? lock_release+0xa30/0xa30
[ 2501.980627]  ? ext4_map_blocks+0x480/0x1b60
[ 2501.984936]  ? lock_acquire+0x1e4/0x540
[ 2501.988895]  ? ext4_map_blocks+0x88b/0x1b60
[ 2501.993204]  ? lock_release+0xa30/0xa30
[ 2501.997424]  ? check_same_owner+0x340/0x340
[ 2502.001731]  ? ext4_map_blocks+0x66a/0x1b60
[ 2502.006038]  ? rcu_note_context_switch+0x730/0x730
[ 2502.010959]  ? down_write+0x8f/0x130
[ 2502.014682]  ? ext4_map_blocks+0x88b/0x1b60
[ 2502.018987]  ? down_read+0x1d0/0x1d0
[ 2502.022704]  ext4_map_blocks+0x8f3/0x1b60
[ 2502.026845]  ? __save_stack_trace+0x8d/0xf0
[ 2502.031156]  ? ext4_issue_zeroout+0x190/0x190
[ 2502.035640]  ? save_stack+0x43/0xd0
[ 2502.039266]  ? __kasan_slab_free+0x11a/0x170
[ 2502.043686]  ? kasan_slab_free+0xe/0x10
[ 2502.047644]  ? kmem_cache_free+0x86/0x2d0
[ 2502.051779]  ext4_getblk+0x10e/0x630
[ 2502.055494]  ? ext4_iomap_begin+0x1350/0x1350
[ 2502.059978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.065529]  ? __dquot_initialize+0x61d/0xde0
[ 2502.070454]  ext4_bread+0x95/0x2b0
[ 2502.073983]  ? ext4_getblk+0x630/0x630
[ 2502.077860]  ? dquot_get_next_dqblk+0x180/0x180
[ 2502.082529]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2502.087531]  ? kasan_check_write+0x14/0x20
[ 2502.091754]  ext4_append+0x14e/0x370
[ 2502.095459]  ext4_mkdir+0x532/0xe60
[ 2502.099076]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2502.103732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.109279]  ? security_inode_permission+0xd2/0x100
[ 2502.114283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.119815]  ? security_inode_mkdir+0xe8/0x120
[ 2502.124390]  vfs_mkdir+0x42e/0x6b0
[ 2502.127916]  do_mkdirat+0x27b/0x310
[ 2502.131542]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2502.135678]  ? ksys_ioctl+0x81/0xd0
[ 2502.139379]  __x64_sys_mkdir+0x5c/0x80
[ 2502.143362]  do_syscall_64+0x1b9/0x820
[ 2502.147255]  ? finish_task_switch+0x1d3/0x870
[ 2502.151737]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2502.157428]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2502.162355]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2502.167359]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2502.172361]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2502.177026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2502.181869]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2502.187053] RIP: 0033:0x455267
[ 2502.190571] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2502.209793] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2502.217618] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2502.224968] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2502.232331] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2502.239595] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2502.246850] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001e
08:33:07 executing program 6 (fault-call:1 fault-nth:31):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2502.264092] FAT-fs (loop4): bogus number of reserved sectors
[ 2502.270068] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2502.277132] FAT-fs (loop5): invalid media value (0x00)
[ 2502.283233] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2502.316374] FAULT_INJECTION: forcing a failure.
[ 2502.316374] name failslab, interval 1, probability 0, space 0, times 0
[ 2502.327755] CPU: 1 PID: 30461 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2502.337475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2502.347008] Call Trace:
[ 2502.349611]  dump_stack+0x1c9/0x2b4
[ 2502.353346]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2502.358558]  should_fail.cold.4+0xa/0x11
[ 2502.362638]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2502.367754]  ? kasan_check_read+0x11/0x20
[ 2502.372546]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2502.376959]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2502.381580]  ? kasan_check_write+0x14/0x20
[ 2502.385833]  ? do_raw_spin_lock+0xc1/0x200
[ 2502.390074]  ? trace_hardirqs_on+0xd/0x10
[ 2502.394232]  ? __find_get_block+0x36d/0xe60
[ 2502.399440]  ? block_invalidatepage+0x520/0x520
[ 2502.404223]  ? check_same_owner+0x340/0x340
[ 2502.408556]  ? lock_downgrade+0x8f0/0x8f0
[ 2502.412708]  ? check_same_owner+0x340/0x340
[ 2502.417059]  ? rcu_note_context_switch+0x730/0x730
[ 2502.421999]  __should_failslab+0x124/0x180
[ 2502.426243]  should_failslab+0x9/0x14
[ 2502.430072]  kmem_cache_alloc+0x2af/0x760
[ 2502.434224]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2502.439271]  ? __find_get_block+0xe60/0xe60
[ 2502.443597]  jbd2_journal_add_journal_head+0x1ef/0x5d0
[ 2502.448886]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2502.454428]  ? jbd2_journal_write_metadata_buffer+0xf00/0xf00
[ 2502.460330]  jbd2_journal_get_create_access+0x42/0x600
[ 2502.465615]  ? rcu_note_context_switch+0x730/0x730
[ 2502.470555]  __ext4_journal_get_create_access+0x46/0x90
[ 2502.475928]  ext4_getblk+0x2be/0x630
[ 2502.479652]  ? ext4_iomap_begin+0x1350/0x1350
[ 2502.484155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.489697]  ? __dquot_initialize+0x61d/0xde0
[ 2502.494212]  ext4_bread+0x95/0x2b0
[ 2502.497758]  ? ext4_getblk+0x630/0x630
[ 2502.501826]  ? dquot_get_next_dqblk+0x180/0x180
[ 2502.506497]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2502.511536]  ? kasan_check_write+0x14/0x20
[ 2502.515812]  ext4_append+0x14e/0x370
[ 2502.519559]  ext4_mkdir+0x532/0xe60
[ 2502.523198]  ? ext4_init_dot_dotdot+0x510/0x510
[ 2502.527876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.533434]  ? security_inode_permission+0xd2/0x100
[ 2502.538455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2502.543996]  ? security_inode_mkdir+0xe8/0x120
[ 2502.548589]  vfs_mkdir+0x42e/0x6b0
[ 2502.552142]  do_mkdirat+0x27b/0x310
[ 2502.555794]  ? __ia32_sys_mknod+0xb0/0xb0
[ 2502.559950]  ? syscall_slow_exit_work+0x500/0x500
[ 2502.564901]  ? ksys_ioctl+0x81/0xd0
[ 2502.568535]  __x64_sys_mkdir+0x5c/0x80
[ 2502.572429]  do_syscall_64+0x1b9/0x820
[ 2502.576323]  ? finish_task_switch+0x1d3/0x870
[ 2502.580828]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2502.585759]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2502.590697]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2502.595722]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2502.600747]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2502.605420]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2502.610295]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2502.615485] RIP: 0033:0x455267
[ 2502.618669] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2502.637992] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 2502.645708] RAX: ffffffffffffffda RBX: 0000000020001350 RCX: 0000000000455267
[ 2502.652982] RDX: 0000000000000015 RSI: 00000000000001ff RDI: 0000000020000080
[ 2502.660253] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000a
[ 2502.667530] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000015
[ 2502.674804] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000001f
[ 2502.682449] ENOMEM in journal_alloc_journal_head, retrying.
[ 2502.716427] FAT-fs (loop6): bogus number of reserved sectors
[ 2502.722506] FAT-fs (loop6): Can't find a valid FAT filesystem
08:33:08 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000009)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:08 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404000a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:08 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x80a0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:08 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc627}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:08 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010abe000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:08 executing program 6 (fault-call:1 fault-nth:32):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:08 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2502.856340] FAT-fs (loop5): bogus number of reserved sectors
[ 2502.862246] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2502.864954] FAT-fs (loop4): bogus number of reserved sectors
[ 2502.872822] FAULT_INJECTION: forcing a failure.
[ 2502.872822] name failslab, interval 1, probability 0, space 0, times 0
[ 2502.874135] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2502.885422] CPU: 1 PID: 30474 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2502.885433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2502.885437] Call Trace:
[ 2502.885462]  dump_stack+0x1c9/0x2b4
[ 2502.885480]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2502.885499]  ? perf_trace_lock+0xde/0x920
[ 2502.885522]  should_fail.cold.4+0xa/0x11
[ 2502.885542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2502.885560]  ? zap_class+0x740/0x740
[ 2502.885582]  ? save_stack+0xa9/0xd0
[ 2502.885598]  ? save_stack+0x43/0xd0
[ 2502.885611]  ? kasan_kmalloc+0xc4/0xe0
[ 2502.885624]  ? __kmalloc_track_caller+0x14a/0x760
[ 2502.885638]  ? memdup_user+0x2c/0xa0
[ 2502.885649]  ? strndup_user+0x77/0xd0
[ 2502.885669]  ? ksys_mount+0x3c/0x140
[ 2502.964765]  ? do_syscall_64+0x1b9/0x820
[ 2502.968819]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2502.974181]  ? lock_acquire+0x1e4/0x540
[ 2502.978147]  ? handle_mm_fault+0x417/0xc80
[ 2502.982374]  ? lock_acquire+0x1e4/0x540
[ 2502.986350]  ? fs_reclaim_acquire+0x20/0x20
[ 2502.990661]  ? lock_downgrade+0x8f0/0x8f0
[ 2502.994800]  ? check_same_owner+0x340/0x340
[ 2502.999109]  ? lock_release+0xa30/0xa30
[ 2503.003072]  ? rcu_note_context_switch+0x730/0x730
[ 2503.007991]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 2503.013016]  __should_failslab+0x124/0x180
[ 2503.017258]  should_failslab+0x9/0x14
[ 2503.021048]  __kmalloc_track_caller+0x2c4/0x760
[ 2503.025707]  ? strncpy_from_user+0x510/0x510
[ 2503.030105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2503.035631]  ? strndup_user+0x77/0xd0
[ 2503.039419]  memdup_user+0x2c/0xa0
[ 2503.042944]  strndup_user+0x77/0xd0
[ 2503.046562]  ksys_mount+0x73/0x140
[ 2503.050096]  __x64_sys_mount+0xbe/0x150
[ 2503.054061]  do_syscall_64+0x1b9/0x820
[ 2503.057934]  ? finish_task_switch+0x1d3/0x870
[ 2503.062416]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2503.067333]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2503.072252]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2503.077260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2503.082789]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2503.088072]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2503.092731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2503.097571]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2503.102762] RIP: 0033:0x45885a
[ 2503.105936] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2503.125154] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2503.132866] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2503.140124] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2503.147817] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
08:33:08 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpid()
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
r3 = memfd_create(&(0x7f0000000240)='/dev/sequencer\x00', 0x3)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$KVM_UNREGISTER_COALESCED_MMIO(r0, 0x4010ae68, &(0x7f0000000140)={0x6004, 0x1c000})
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r4}, 0x10)
ioctl$KVM_SET_PIT(r3, 0x8048ae66, &(0x7f0000000300)={[{0x3, 0x2, 0x3ff, 0x81, 0x9e, 0x8, 0x5, 0x200, 0x52, 0x6, 0x7ff, 0x400, 0x3}, {0x80, 0x7, 0x400, 0xfb2, 0x3, 0x3, 0x5, 0x0, 0x7ff, 0x1f, 0x4, 0x1000, 0x800}, {0x212, 0x6, 0x800, 0xfff, 0x0, 0x2d1, 0xffffffffffffffc0, 0x2, 0x0, 0x17b7a1dd, 0x9, 0x1000, 0x2}], 0x1ff})
ioctl$KVM_GET_PIT2(r3, 0x8070ae9f, &(0x7f0000000380))
r5 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r5, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
ioctl$BLKFRASET(r4, 0x1264, &(0x7f00000002c0)=0x8)
sendto$llc(r5, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
openat$ppp(0xffffffffffffff9c, &(0x7f0000000440)='/dev/ppp\x00', 0x0, 0x0)
unlinkat(r4, &(0x7f0000000480)='./file0/file0\x00', 0x200)

[ 2503.155076] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2503.162354] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000020
[ 2503.179600] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2503.200781] FAT-fs (loop4): bogus number of reserved sectors
08:33:08 executing program 6 (fault-call:1 fault-nth:33):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2503.206845] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:08 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000463010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:08 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a000a0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2503.228675] FAT-fs (loop5): bogus number of reserved sectors
[ 2503.234826] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:08 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x734f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:08 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x10a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2503.297303] FAULT_INJECTION: forcing a failure.
[ 2503.297303] name failslab, interval 1, probability 0, space 0, times 0
[ 2503.308655] CPU: 1 PID: 30500 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2503.314702] FAT-fs (loop2): bogus number of FAT structure
[ 2503.317063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2503.317071] Call Trace:
[ 2503.317097]  dump_stack+0x1c9/0x2b4
[ 2503.317116]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2503.317142]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2503.322709] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2503.332052]  ? perf_trace_lock+0xde/0x920
[ 2503.332077]  should_fail.cold.4+0xa/0x11
[ 2503.332100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2503.363818] FAT-fs (loop5): bogus number of reserved sectors
[ 2503.367225]  ? zap_class+0x740/0x740
[ 2503.367259]  ? lock_acquire+0x1e4/0x540
[ 2503.367280]  ? handle_mm_fault+0x417/0xc80
[ 2503.373099] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2503.376783]  ? lock_acquire+0x1e4/0x540
[ 2503.376797]  ? fs_reclaim_acquire+0x20/0x20
[ 2503.376817]  ? lock_downgrade+0x8f0/0x8f0
[ 2503.403905]  ? check_same_owner+0x340/0x340
[ 2503.408246]  ? rcu_note_context_switch+0x730/0x730
[ 2503.413188]  __should_failslab+0x124/0x180
[ 2503.417435]  should_failslab+0x9/0x14
[ 2503.421240]  __kmalloc_track_caller+0x2c4/0x760
[ 2503.425921]  ? strncpy_from_user+0x510/0x510
[ 2503.430338]  ? strndup_user+0x77/0xd0
[ 2503.434145]  memdup_user+0x2c/0xa0
[ 2503.437691]  strndup_user+0x77/0xd0
[ 2503.441348]  ksys_mount+0x3c/0x140
[ 2503.444899]  __x64_sys_mount+0xbe/0x150
[ 2503.448885]  do_syscall_64+0x1b9/0x820
[ 2503.452776]  ? finish_task_switch+0x1d3/0x870
[ 2503.457281]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2503.462218]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2503.467154]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2503.472189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2503.477736]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2503.482756]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2503.487435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2503.492296]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2503.497487] RIP: 0033:0x45885a
[ 2503.500668] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2503.519997] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2503.527724] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2503.534993] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
08:33:09 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffffc0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2503.542262] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2503.549533] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2503.556809] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000021
[ 2503.578753] FAT-fs (loop2): bogus number of FAT structure
[ 2503.584410] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:09 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4a7}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:09 executing program 6 (fault-call:1 fault-nth:34):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2503.603142] FAT-fs (loop5): bogus number of reserved sectors
[ 2503.609122] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2503.640911] FAT-fs (loop7): bogus sectors per cluster 99
[ 2503.645925] FAT-fs (loop4): bogus number of reserved sectors
[ 2503.646495] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2503.652306] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2503.681983] FAULT_INJECTION: forcing a failure.
[ 2503.681983] name failslab, interval 1, probability 0, space 0, times 0
[ 2503.693512] CPU: 0 PID: 30524 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2503.701924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2503.711283] Call Trace:
[ 2503.713896]  dump_stack+0x1c9/0x2b4
[ 2503.717541]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2503.722746]  ? perf_trace_lock+0x49d/0x920
[ 2503.727011]  should_fail.cold.4+0xa/0x11
[ 2503.731090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2503.736221]  ? save_stack+0xa9/0xd0
[ 2503.739859]  ? save_stack+0x43/0xd0
[ 2503.743497]  ? kasan_kmalloc+0xc4/0xe0
[ 2503.747394]  ? vfs_new_fs_context+0x5a/0x700
[ 2503.751812]  ? do_mount+0x5cf/0x1fb0
[ 2503.755536]  ? __x64_sys_mount+0xbe/0x150
[ 2503.759695]  ? do_syscall_64+0x1b9/0x820
[ 2503.763854]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2503.769242]  ? trace_hardirqs_off+0xd/0x10
[ 2503.773502]  ? lock_acquire+0x1e4/0x540
[ 2503.777494]  ? fs_reclaim_acquire+0x20/0x20
[ 2503.781827]  ? lock_downgrade+0x8f0/0x8f0
[ 2503.785988]  ? fs_reclaim_acquire+0x20/0x20
[ 2503.790334]  ? check_same_owner+0x340/0x340
[ 2503.794669]  ? debug_mutex_init+0x2d/0x60
[ 2503.798837]  ? rcu_note_context_switch+0x730/0x730
[ 2503.803785]  __should_failslab+0x124/0x180
[ 2503.808045]  should_failslab+0x9/0x14
[ 2503.811866]  __kmalloc_track_caller+0x2c4/0x760
[ 2503.816561]  ? vfs_set_fs_source+0x67/0x180
[ 2503.820905]  kmemdup_nul+0x31/0xa0
[ 2503.824466]  vfs_set_fs_source+0x67/0x180
[ 2503.828633]  do_mount+0x61b/0x1fb0
[ 2503.832202]  ? check_same_owner+0x340/0x340
[ 2503.836535]  ? lock_release+0xa30/0xa30
[ 2503.840540]  ? copy_mount_string+0x40/0x40
[ 2503.844796]  ? kasan_kmalloc+0xc4/0xe0
[ 2503.848699]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2503.853561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2503.859112]  ? _copy_from_user+0xdf/0x150
[ 2503.863277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2503.868824]  ? copy_mount_options+0x285/0x380
[ 2503.873339]  ksys_mount+0x12d/0x140
[ 2503.876983]  __x64_sys_mount+0xbe/0x150
[ 2503.880965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2503.886526]  do_syscall_64+0x1b9/0x820
[ 2503.890441]  ? syscall_slow_exit_work+0x500/0x500
[ 2503.895318]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2503.900266]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2503.905230]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2503.910263]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2503.915732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2503.920600]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2503.925817] RIP: 0033:0x45885a
[ 2503.929007] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2503.948636] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2503.956375] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2503.963675] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2503.970966] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2503.978256] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2503.985535] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000022
[ 2503.997825] FAT-fs (loop7): bogus sectors per cluster 99
[ 2504.003393] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2504.011627] FAT-fs (loop4): bogus number of reserved sectors
[ 2504.017581] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:09 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000078)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:09 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffffc3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:09 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a03000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:09 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa09}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:09 executing program 6 (fault-call:1 fault-nth:35):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:09 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000403010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:09 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x333}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2504.205939] FAT-fs (loop7): bogus sectors per cluster 3
[ 2504.211426] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2504.212979] FAT-fs (loop5): bogus number of reserved sectors
[ 2504.223214] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2504.239294] FAT-fs (loop4): bogus number of reserved sectors
[ 2504.240906] FAT-fs (loop7): bogus sectors per cluster 3
[ 2504.245407] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2504.250805] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2504.265612] FAULT_INJECTION: forcing a failure.
[ 2504.265612] name failslab, interval 1, probability 0, space 0, times 0
[ 2504.277012] CPU: 0 PID: 30548 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2504.285428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2504.294794] Call Trace:
[ 2504.297403]  dump_stack+0x1c9/0x2b4
[ 2504.301051]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2504.306262]  ? perf_trace_lock+0x49d/0x920
[ 2504.310522]  should_fail.cold.4+0xa/0x11
[ 2504.314608]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2504.319735]  ? kasan_check_read+0x11/0x20
[ 2504.324726]  ? rcu_is_watching+0x8c/0x150
[ 2504.328902]  ? is_bpf_text_address+0xd7/0x170
[ 2504.333411]  ? kernel_text_address+0x79/0xf0
[ 2504.337840]  ? lock_acquire+0x1e4/0x540
[ 2504.341823]  ? fs_reclaim_acquire+0x20/0x20
[ 2504.346162]  ? lock_downgrade+0x8f0/0x8f0
[ 2504.350336]  ? check_same_owner+0x340/0x340
[ 2504.354678]  ? save_stack+0xa9/0xd0
[ 2504.358325]  ? rcu_note_context_switch+0x730/0x730
[ 2504.363267]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2504.368140]  ? copy_mount_options+0x5f/0x380
[ 2504.372577]  __should_failslab+0x124/0x180
[ 2504.376845]  should_failslab+0x9/0x14
[ 2504.380656]  kmem_cache_alloc+0x2af/0x760
[ 2504.384823]  ? lock_acquire+0x1e4/0x540
[ 2504.388813]  getname_flags+0xd0/0x5a0
[ 2504.392630]  user_path_at_empty+0x2d/0x50
[ 2504.396791]  do_mount+0x180/0x1fb0
[ 2504.400350]  ? kasan_check_write+0x14/0x20
[ 2504.405039]  ? copy_mount_string+0x40/0x40
[ 2504.409283]  ? kasan_kmalloc+0xc4/0xe0
[ 2504.413189]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2504.418050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2504.423603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.429154]  ? copy_mount_options+0x285/0x380
[ 2504.433683]  ksys_mount+0x12d/0x140
[ 2504.437333]  __x64_sys_mount+0xbe/0x150
[ 2504.441328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.446896]  do_syscall_64+0x1b9/0x820
[ 2504.450811]  ? syscall_slow_exit_work+0x500/0x500
[ 2504.455677]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2504.460628]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2504.465577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.471129]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2504.476175]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2504.480862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2504.485727]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2504.490924] RIP: 0033:0x45885a
[ 2504.494112] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2504.513728] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2504.521441] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2504.528703] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2504.535981] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2504.543243] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
08:33:10 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f0000000140)={0x400, 0xa9f, 0xfff, 0xa000000, 0x5, 0x17a, 0x7, 0x5, 0x6, 0xffffffff, 0x8, 0x30})
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:10 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfffffff0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2504.550506] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000023
08:33:10 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a14000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:10 executing program 6 (fault-call:1 fault-nth:36):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:10 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x600000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2504.583376] FAT-fs (loop5): bogus number of reserved sectors
[ 2504.589284] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2504.615826] FAT-fs (loop4): bogus number of reserved sectors
[ 2504.621758] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:10 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000409010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2504.685151] FAULT_INJECTION: forcing a failure.
[ 2504.685151] name failslab, interval 1, probability 0, space 0, times 0
[ 2504.696610] CPU: 0 PID: 30570 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2504.702617] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2504.705032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2504.705040] Call Trace:
[ 2504.705070]  dump_stack+0x1c9/0x2b4
[ 2504.705098]  ? dump_stack_print_info.cold.2+0x52/0x52
08:33:10 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x60000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:10 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x1000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:10 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a04000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2504.705127]  ? trace_hardirqs_on+0xd/0x10
[ 2504.705152]  should_fail.cold.4+0xa/0x11
[ 2504.705172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2504.705188]  ? lock_repin_lock+0x430/0x430
[ 2504.705208]  ? kasan_check_write+0x14/0x20
[ 2504.705237]  ? __schedule+0x884/0x1ed0
[ 2504.705265]  ? __sched_text_start+0x8/0x8
[ 2504.705283]  ? kernel_text_address+0x79/0xf0
[ 2504.705309]  ? lock_acquire+0x1e4/0x540
[ 2504.705324]  ? fs_reclaim_acquire+0x20/0x20
[ 2504.705343]  ? lock_downgrade+0x8f0/0x8f0
[ 2504.705371]  ? check_same_owner+0x340/0x340
[ 2504.705387]  ? save_stack+0xa9/0xd0
[ 2504.705405]  ? kasan_kmalloc+0xc4/0xe0
[ 2504.705420]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2504.705435]  ? copy_mount_options+0x5f/0x380
[ 2504.705453]  __should_failslab+0x124/0x180
[ 2504.705473]  should_failslab+0x9/0x14
[ 2504.705492]  kmem_cache_alloc+0x2af/0x760
[ 2504.812707]  ? lock_acquire+0x1e4/0x540
[ 2504.816735]  ? handle_mm_fault+0x417/0xc80
[ 2504.821005]  getname_flags+0xd0/0x5a0
[ 2504.824860]  user_path_at_empty+0x2d/0x50
[ 2504.829033]  do_mount+0x180/0x1fb0
[ 2504.830051] FAT-fs (loop4): bogus number of reserved sectors
[ 2504.832596]  ? check_same_owner+0x340/0x340
[ 2504.832614]  ? lock_release+0xa30/0xa30
[ 2504.832629]  ? check_same_owner+0x340/0x340
[ 2504.832653]  ? copy_mount_string+0x40/0x40
[ 2504.832678]  ? retint_kernel+0x10/0x10
[ 2504.838491] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2504.842792]  ? copy_mount_options+0x1f0/0x380
[ 2504.842807]  ? copy_mount_options+0x1f6/0x380
[ 2504.842830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.850938] FAT-fs (loop7): bogus sectors per cluster 9
[ 2504.851479]  ? copy_mount_options+0x285/0x380
[ 2504.851505]  ksys_mount+0x12d/0x140
[ 2504.851528]  __x64_sys_mount+0xbe/0x150
[ 2504.855791] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2504.859636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.859657]  do_syscall_64+0x1b9/0x820
[ 2504.859676]  ? syscall_slow_exit_work+0x500/0x500
[ 2504.870722] FAT-fs (loop5): bogus number of reserved sectors
[ 2504.874545]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2504.874565]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2504.874590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2504.874605]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2504.874625]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2504.880178] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2504.885514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2504.885542]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2504.885554] RIP: 0033:0x45885a
[ 2504.885559] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2504.987231] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2504.994961] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2505.002238] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2505.009604] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2505.016884] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2505.024162] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000024
[ 2505.056783] FAT-fs (loop7): bogus sectors per cluster 9
[ 2505.057942] FAT-fs (loop5): bogus number of reserved sectors
[ 2505.062256] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2505.068075] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2505.082170] FAT-fs (loop4): bogus number of reserved sectors
[ 2505.088116] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:10 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000a5)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:10 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x9effffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:10 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000414010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:10 executing program 6 (fault-call:1 fault-nth:37):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:10 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x60a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:10 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02001474f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:10 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x600}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2505.443343] FAT-fs (loop5): bogus number of reserved sectors
[ 2505.443504] FAULT_INJECTION: forcing a failure.
[ 2505.443504] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2505.449262] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2505.461062] CPU: 0 PID: 30599 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2505.461075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2505.461082] Call Trace:
[ 2505.461109]  dump_stack+0x1c9/0x2b4
[ 2505.461138]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2505.496386]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2505.501530]  should_fail.cold.4+0xa/0x11
[ 2505.505628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2505.510760]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2505.515876]  ? zap_class+0x740/0x740
[ 2505.519601]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2505.524715]  ? perf_trace_run_bpf_submit+0x270/0x3b0
[ 2505.529838]  ? perf_tp_event+0xc40/0xc40
[ 2505.533911]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2505.538354]  ? memset+0x31/0x40
[ 2505.541650]  ? perf_trace_lock+0x49d/0x920
[ 2505.545904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2505.551452]  ? should_fail+0x246/0xd86
[ 2505.555348]  ? zap_class+0x740/0x740
[ 2505.559085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2505.564212]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2505.568898]  ? kasan_check_read+0x11/0x20
[ 2505.573060]  ? rcu_is_watching+0x8c/0x150
[ 2505.577224]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2505.582253]  ? is_bpf_text_address+0xd7/0x170
[ 2505.586784]  ? kernel_text_address+0x79/0xf0
[ 2505.591211]  ? lock_acquire+0x1e4/0x540
[ 2505.595195]  ? fs_reclaim_acquire+0x20/0x20
[ 2505.599527]  ? lock_downgrade+0x8f0/0x8f0
[ 2505.603688]  ? lock_release+0xa30/0xa30
[ 2505.607677]  ? check_same_owner+0x340/0x340
[ 2505.612006]  ? save_stack+0xa9/0xd0
[ 2505.615652]  cache_grow_begin+0x91/0x710
[ 2505.619735]  kmem_cache_alloc+0x689/0x760
[ 2505.623939]  getname_flags+0xd0/0x5a0
[ 2505.627762]  user_path_at_empty+0x2d/0x50
[ 2505.631927]  do_mount+0x180/0x1fb0
[ 2505.635483]  ? kasan_check_write+0x14/0x20
[ 2505.639734]  ? copy_mount_string+0x40/0x40
[ 2505.643981]  ? kasan_kmalloc+0xc4/0xe0
[ 2505.647888]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2505.652766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2505.658324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2505.663883]  ? copy_mount_options+0x285/0x380
[ 2505.668396]  ksys_mount+0x12d/0x140
[ 2505.672047]  __x64_sys_mount+0xbe/0x150
[ 2505.676036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2505.681593]  do_syscall_64+0x1b9/0x820
[ 2505.685494]  ? syscall_slow_exit_work+0x500/0x500
[ 2505.690356]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2505.695305]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2505.700254]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2505.705304]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2505.709986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2505.714855]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2505.720052] RIP: 0033:0x45885a
[ 2505.723244] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2505.742839] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2505.750567] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2505.757846] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2505.765150] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2505.772430] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2505.779707] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000025
[ 2505.792324] FAT-fs (loop4): bogus number of reserved sectors
[ 2505.798402] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2505.802347] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2505.821595] FAT-fs (loop7): bogus sectors per cluster 20
[ 2505.827393] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2505.841726] FAT-fs (loop6): bogus number of reserved sectors
[ 2505.845916] FAT-fs (loop5): bogus number of reserved sectors
[ 2505.847702] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2505.853778] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:11 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02020274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:11 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x100, 0x4)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000180)={0x6b0, 0xfffffffffffffff9, 0x5, 0x8001, 0x1ff, 0x7, 0x1f}, 0xc)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000300), &(0x7f0000000440))
sched_getscheduler(r1)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x200041, 0x0)
openat$ppp(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ppp\x00', 0x125180, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000340)={&(0x7f00000002c0)='vboxnet0securitymd5sum!GpL\x00', r2}, 0xfffffffffffffeee)
r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x202, 0x0)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r3, 0x84, 0x70, &(0x7f0000000440)={<r5=>0x0, @in={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}, [0x1, 0x9, 0x40, 0xfffffffffffffffa, 0x4, 0x0, 0x1, 0x3, 0x5, 0xd8d0, 0x81, 0x42, 0x10000, 0x2, 0x6]}, &(0x7f0000000240)=0x100)
setsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, &(0x7f0000000540)={r5, @in6={{0xa, 0x4e20, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x4}}, 0xbfa7, 0x104}, 0x90)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:11 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x40a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:11 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xc3ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:11 executing program 6 (fault-call:1 fault-nth:38):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2505.887438] FAT-fs (loop4): bogus number of reserved sectors
[ 2505.893356] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2505.894104] FAT-fs (loop7): bogus sectors per cluster 20
[ 2505.904843] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2505.921517] FAT-fs (loop2): bogus number of directory entries (514)
[ 2505.928050] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:11 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000410010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2505.971529] FAT-fs (loop2): bogus number of directory entries (514)
[ 2505.978104] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2505.999092] FAT-fs (loop5): bogus number of reserved sectors
[ 2506.005046] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:11 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000402010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2506.025489] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2506.042870] FAULT_INJECTION: forcing a failure.
[ 2506.042870] name failslab, interval 1, probability 0, space 0, times 0
[ 2506.054288] CPU: 0 PID: 30635 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2506.062714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2506.072098] Call Trace:
08:33:11 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x900}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:11 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a020c0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2506.074714]  dump_stack+0x1c9/0x2b4
[ 2506.078378]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2506.083605]  ? perf_trace_lock+0x49d/0x920
[ 2506.087895]  should_fail.cold.4+0xa/0x11
[ 2506.092010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2506.097168]  ? kasan_check_write+0x14/0x20
[ 2506.101444]  ? zap_class+0x740/0x740
[ 2506.105198]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2506.110255]  ? path_lookupat.isra.45+0x27d/0xbf0
[ 2506.115061]  ? trace_hardirqs_off+0xd/0x10
[ 2506.119332]  ? quarantine_put+0x10d/0x1b0
[ 2506.123543]  ? lock_acquire+0x1e4/0x540
[ 2506.127526]  ? fs_reclaim_acquire+0x20/0x20
[ 2506.131859]  ? lock_downgrade+0x8f0/0x8f0
[ 2506.136026]  ? check_same_owner+0x340/0x340
[ 2506.140349]  ? lock_downgrade+0x8f0/0x8f0
[ 2506.144489]  ? rcu_note_context_switch+0x730/0x730
[ 2506.149416]  __should_failslab+0x124/0x180
[ 2506.153669]  should_failslab+0x9/0x14
[ 2506.157466]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2506.162158]  ? kasan_check_write+0x14/0x20
[ 2506.166388]  ? do_raw_read_unlock+0x3f/0x60
[ 2506.170721]  vfs_new_fs_context+0x5a/0x700
[ 2506.174985]  do_mount+0x5cf/0x1fb0
[ 2506.178523]  ? kasan_check_write+0x14/0x20
[ 2506.182753]  ? copy_mount_string+0x40/0x40
[ 2506.186985]  ? kasan_kmalloc+0xc4/0xe0
[ 2506.190874]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2506.195714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2506.201248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2506.206779]  ? copy_mount_options+0x285/0x380
[ 2506.211272]  ksys_mount+0x12d/0x140
[ 2506.214893]  __x64_sys_mount+0xbe/0x150
[ 2506.218860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2506.224398]  do_syscall_64+0x1b9/0x820
[ 2506.228280]  ? syscall_slow_exit_work+0x500/0x500
[ 2506.233117]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2506.238053]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2506.242983]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2506.247991]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2506.252672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2506.257527]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2506.262722] RIP: 0033:0x45885a
[ 2506.265898] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2506.285909] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2506.293614] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2506.300910] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2506.308209] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2506.315472] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2506.323729] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000026
[ 2506.336391] FAT-fs (loop2): bogus number of directory entries (524)
[ 2506.342975] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2506.353295] FAT-fs (loop4): bogus number of reserved sectors
[ 2506.359194] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2506.380367] FAT-fs (loop5): bogus number of reserved sectors
[ 2506.386303] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2506.394560] FAT-fs (loop4): bogus number of reserved sectors
[ 2506.400573] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2506.412982] FAT-fs (loop2): bogus number of directory entries (524)
[ 2506.419605] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:12 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000010a)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:12 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e66617400040a010a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:12 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfeffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:12 executing program 6 (fault-call:1 fault-nth:39):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:12 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xffffff7f}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:12 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3303}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:12 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02740274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2506.818769] FAT-fs (loop2): bogus number of directory entries (628)
[ 2506.825285] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2506.847743] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2506.859820] FAULT_INJECTION: forcing a failure.
[ 2506.859820] name failslab, interval 1, probability 0, space 0, times 0
[ 2506.871235] CPU: 0 PID: 30672 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2506.879664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2506.889040] Call Trace:
[ 2506.891655]  dump_stack+0x1c9/0x2b4
[ 2506.895297]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2506.900506]  ? perf_trace_lock+0x49d/0x920
[ 2506.904762]  should_fail.cold.4+0xa/0x11
[ 2506.908847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2506.914069]  ? kasan_check_write+0x14/0x20
[ 2506.918326]  ? zap_class+0x740/0x740
[ 2506.922056]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2506.927087]  ? path_lookupat.isra.45+0x27d/0xbf0
[ 2506.931870]  ? trace_hardirqs_off+0xd/0x10
[ 2506.936132]  ? quarantine_put+0x10d/0x1b0
[ 2506.940310]  ? lock_acquire+0x1e4/0x540
[ 2506.944294]  ? fs_reclaim_acquire+0x20/0x20
[ 2506.948628]  ? lock_downgrade+0x8f0/0x8f0
[ 2506.952802]  ? check_same_owner+0x340/0x340
[ 2506.957135]  ? lock_downgrade+0x8f0/0x8f0
[ 2506.961295]  ? rcu_note_context_switch+0x730/0x730
[ 2506.966247]  __should_failslab+0x124/0x180
[ 2506.970494]  should_failslab+0x9/0x14
[ 2506.974319]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2506.976900] FAT-fs (loop7): bogus sectors per cluster 10
[ 2506.979026]  ? kasan_check_write+0x14/0x20
[ 2506.979049]  ? do_raw_read_unlock+0x3f/0x60
[ 2506.979080]  vfs_new_fs_context+0x5a/0x700
[ 2506.979105]  do_mount+0x5cf/0x1fb0
[ 2506.984596] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2506.988792]  ? kasan_check_write+0x14/0x20
[ 2506.988824]  ? copy_mount_string+0x40/0x40
[ 2507.015259]  ? kasan_kmalloc+0xc4/0xe0
[ 2507.019525]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2507.024392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2507.029955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.035506]  ? copy_mount_options+0x285/0x380
[ 2507.040038]  ksys_mount+0x12d/0x140
[ 2507.043693]  __x64_sys_mount+0xbe/0x150
[ 2507.044767] FAT-fs (loop4): bogus number of reserved sectors
[ 2507.047712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.047735]  do_syscall_64+0x1b9/0x820
[ 2507.047751]  ? syscall_slow_exit_work+0x500/0x500
[ 2507.047769]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2507.047788]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2507.047806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.047826]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2507.053852] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2507.059153]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2507.059171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2507.059199]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2507.106840] FAT-fs (loop5): bogus number of reserved sectors
[ 2507.109008] RIP: 0033:0x45885a
[ 2507.109015] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f 
[ 2507.114941] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2507.118090] fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2507.145007] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2507.152740] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2507.160026] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2507.167314] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2507.174604] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2507.181903] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000027
[ 2507.195605] FAT-fs (loop2): bogus number of directory entries (628)
[ 2507.202162] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2507.202179] FAT-fs (loop5): bogus number of reserved sectors
[ 2507.214055] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2507.222258] FAT-fs (loop7): bogus sectors per cluster 10
[ 2507.227869] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2507.232427] FAT-fs (loop4): bogus number of reserved sectors
[ 2507.239677] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:12 executing program 1:
r0 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x3f, 0x440000)
accept4$nfc_llcp(r0, 0x0, &(0x7f0000000240), 0x80800)
r1 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r2 = getpgrp(0x0)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000340)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000380), &(0x7f0000000200), &(0x7f0000000300))
ioctl$UFFDIO_ZEROPAGE(r1, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000240), 0x0, 0x8094, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x400000, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:12 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x300000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:12 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x300}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:12 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x700}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:12 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02070274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:12 executing program 6 (fault-call:1 fault-nth:40):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:12 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404070a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2507.345849] FAULT_INJECTION: forcing a failure.
[ 2507.345849] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2507.357786] CPU: 1 PID: 30687 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2507.359735] FAT-fs (loop5): bogus number of reserved sectors
[ 2507.367676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2507.367683] Call Trace:
[ 2507.367714]  dump_stack+0x1c9/0x2b4
[ 2507.367731]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2507.367749]  ? perf_trace_lock+0xde/0x920
[ 2507.367775]  ? lock_acquire+0x1e4/0x540
[ 2507.373607] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2507.382935]  should_fail.cold.4+0xa/0x11
[ 2507.382958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2507.382982]  ? kasan_check_read+0x11/0x20
[ 2507.401259] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2507.402477]  ? rcu_is_watching+0x8c/0x150
[ 2507.402498]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2507.402517]  ? is_bpf_text_address+0xd7/0x170
[ 2507.441455]  ? kernel_text_address+0x79/0xf0
[ 2507.445877]  ? __kernel_text_address+0xd/0x40
[ 2507.450423]  ? lock_acquire+0x1e4/0x540
[ 2507.454390]  ? fs_reclaim_acquire+0x20/0x20
[ 2507.459150]  ? lock_downgrade+0x8f0/0x8f0
[ 2507.463302]  ? check_same_owner+0x340/0x340
[ 2507.467629]  ? save_stack+0x43/0xd0
[ 2507.471247]  ? rcu_note_context_switch+0x730/0x730
[ 2507.476163]  ? do_mount+0x69e/0x1fb0
[ 2507.479869]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2507.484526]  ? trace_hardirqs_off+0xd/0x10
[ 2507.488760]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2507.493775]  ? lock_acquire+0x1e4/0x540
[ 2507.497735]  ? fs_reclaim_acquire+0x20/0x20
[ 2507.502053]  ? lock_downgrade+0x8f0/0x8f0
[ 2507.506197]  ? lock_release+0xa30/0xa30
[ 2507.510159]  ? lock_release+0xa30/0xa30
[ 2507.514119]  ? check_same_owner+0x340/0x340
[ 2507.518436]  ? debug_mutex_init+0x2d/0x60
[ 2507.522579]  ? kasan_unpoison_shadow+0x35/0x50
[ 2507.527149]  ? kasan_kmalloc+0xc4/0xe0
[ 2507.531028]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2507.536558]  alloc_pages_current+0x10c/0x210
[ 2507.540964]  get_zeroed_page+0x14/0x50
[ 2507.544836]  legacy_validate+0x111/0x210
[ 2507.548881]  ? kmemdup+0x44/0x50
[ 2507.552242]  ? legacy_get_tree+0x440/0x440
[ 2507.556460]  vfs_get_tree+0x144/0x5c0
[ 2507.560246]  ? vfs_set_fs_source+0x12c/0x180
[ 2507.564644]  do_mount+0x6c1/0x1fb0
[ 2507.568173]  ? check_same_owner+0x340/0x340
[ 2507.572477]  ? lock_release+0xa30/0xa30
[ 2507.576437]  ? copy_mount_string+0x40/0x40
[ 2507.580660]  ? retint_kernel+0x10/0x10
[ 2507.584541]  ? copy_mount_options+0x1f0/0x380
[ 2507.589025]  ? copy_mount_options+0x200/0x380
[ 2507.593511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.599033]  ? copy_mount_options+0x285/0x380
[ 2507.603516]  ksys_mount+0x12d/0x140
[ 2507.607142]  __x64_sys_mount+0xbe/0x150
[ 2507.611295]  do_syscall_64+0x1b9/0x820
[ 2507.625171]  ? finish_task_switch+0x1d3/0x870
[ 2507.629746]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2507.634661]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2507.639758]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2507.644761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.650282]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2507.655284]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2507.659939]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2507.664784]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2507.669969] RIP: 0033:0x45885a
[ 2507.673147] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:13 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x3000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2507.692366] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2507.700059] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2507.707323] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2507.714582] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2507.721845] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2507.729106] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000028
08:33:13 executing program 6 (fault-call:1 fault-nth:41):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2507.756673] FAT-fs (loop5): bogus number of reserved sectors
[ 2507.762599] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2507.771668] FAT-fs (loop4): bogus number of reserved sectors
[ 2507.777574] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2507.785986] FAT-fs (loop2): bogus number of directory entries (519)
[ 2507.792654] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2507.841151] FAT-fs (loop4): bogus number of reserved sectors
[ 2507.847145] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2507.860744] FAT-fs (loop2): bogus number of directory entries (519)
[ 2507.867277] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2507.884094] FAULT_INJECTION: forcing a failure.
[ 2507.884094] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2507.895968] CPU: 0 PID: 30713 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2507.904386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2507.913755] Call Trace:
[ 2507.916366]  dump_stack+0x1c9/0x2b4
[ 2507.920009]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2507.925238]  should_fail.cold.4+0xa/0x11
[ 2507.929327]  ? bpf_prog_kallsyms_find+0xde/0x4c0
[ 2507.934105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2507.939232]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2507.944360]  ? is_bpf_text_address+0xae/0x170
[ 2507.948878]  ? lock_downgrade+0x8f0/0x8f0
[ 2507.953044]  ? perf_trace_run_bpf_submit+0x269/0x3b0
[ 2507.958163]  ? perf_trace_run_bpf_submit+0x270/0x3b0
[ 2507.963473]  ? perf_tp_event+0xc40/0xc40
[ 2507.967557]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2507.972249]  ? memset+0x31/0x40
[ 2507.975561]  ? perf_trace_lock+0x49d/0x920
[ 2507.979832]  ? unwind_get_return_address+0x61/0xa0
[ 2507.984786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2507.990368]  ? should_fail+0x246/0xd86
[ 2507.994268]  ? zap_class+0x740/0x740
[ 2507.998005]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2508.003133]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2508.007821]  ? kasan_kmalloc+0xc4/0xe0
[ 2508.011714]  ? __kmalloc_track_caller+0x14a/0x760
[ 2508.016578]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2508.021607]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2508.026985]  ? do_syscall_64+0x1b9/0x820
[ 2508.031067]  ? __sched_text_start+0x8/0x8
[ 2508.035240]  ? lock_acquire+0x1e4/0x540
[ 2508.039225]  ? fs_reclaim_acquire+0x20/0x20
[ 2508.043564]  ? lock_downgrade+0x8f0/0x8f0
[ 2508.047722]  ? lock_downgrade+0x8f0/0x8f0
[ 2508.051882]  ? lock_release+0xa30/0xa30
[ 2508.055864]  ? lock_release+0xa30/0xa30
[ 2508.061762]  ? check_same_owner+0x340/0x340
[ 2508.066090]  ? check_same_owner+0x340/0x340
[ 2508.070432]  cache_grow_begin+0x91/0x710
[ 2508.074526]  __kmalloc_track_caller+0x684/0x760
[ 2508.079203]  ? __kmalloc_track_caller+0x311/0x760
[ 2508.084065]  ? legacy_parse_monolithic+0xc1/0x1d0
[ 2508.088924]  kmemdup+0x24/0x50
[ 2508.092127]  legacy_parse_monolithic+0xc1/0x1d0
[ 2508.096809]  ? vfs_set_fs_source+0x12c/0x180
[ 2508.101225]  ? legacy_validate+0x210/0x210
[ 2508.105471]  do_mount+0x69e/0x1fb0
[ 2508.109020]  ? kasan_check_write+0x14/0x20
[ 2508.113273]  ? copy_mount_string+0x40/0x40
[ 2508.117524]  ? kasan_kmalloc+0xc4/0xe0
[ 2508.121431]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2508.126289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2508.131846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2508.137394]  ? copy_mount_options+0x285/0x380
[ 2508.141908]  ksys_mount+0x12d/0x140
[ 2508.145551]  __x64_sys_mount+0xbe/0x150
[ 2508.149531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2508.155100]  do_syscall_64+0x1b9/0x820
[ 2508.158998]  ? syscall_slow_exit_work+0x500/0x500
[ 2508.163855]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2508.168799]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2508.173745]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2508.178769]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2508.183453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2508.188318]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2508.193524] RIP: 0033:0x45885a
[ 2508.196727] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2508.216343] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2508.224082] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2508.231360] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2508.238984] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2508.246269] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2508.253653] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000029
08:33:13 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000097)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:13 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404080a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:13 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x2300}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:13 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xc3ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:13 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4a8}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:13 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02680274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:13 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffff9e}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2508.312758] FAT-fs (loop6): bogus number of reserved sectors
[ 2508.318709] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2508.342339] FAT-fs (loop5): bogus number of reserved sectors
[ 2508.348250] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2508.381178] FAT-fs (loop2): bogus number of directory entries (616)
[ 2508.387707] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2508.394584] FAT-fs (loop5): bogus number of reserved sectors
[ 2508.400525] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2508.409441] FAT-fs (loop4): bogus number of reserved sectors
[ 2508.415365] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:13 executing program 1:
r0 = open(&(0x7f00000003c0)='./file0/file0\x00', 0x4, 0x1000008)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000300)=ANY=[@ANYBLOB="03fb0000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000340)=0x10)
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(r0, 0xc0045540, &(0x7f00000002c0)=0x5)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
lremovexattr(&(0x7f0000000140)='./file0/file0\x00', &(0x7f0000000240)=@random={'system.', '-\x00'})
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:13 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404000a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:13 executing program 6 (fault-call:1 fault-nth:42):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:13 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:13 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x50a000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2508.444676] FAT-fs (loop2): bogus number of directory entries (616)
[ 2508.451405] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2508.460611] FAT-fs (loop4): bogus number of reserved sectors
[ 2508.466528] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:13 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02930274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:13 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4a9}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2508.552953] FAULT_INJECTION: forcing a failure.
[ 2508.552953] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 2508.565088] CPU: 0 PID: 30757 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2508.573513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2508.578222] FAT-fs (loop2): bogus number of directory entries (659)
[ 2508.582881] Call Trace:
[ 2508.582912]  dump_stack+0x1c9/0x2b4
[ 2508.582935]  ? dump_stack_print_info.cold.2+0x52/0x52
08:33:14 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404030a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:14 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x7400000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2508.582969]  should_fail.cold.4+0xa/0x11
[ 2508.589378] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2508.591962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2508.591985]  ? kasan_check_read+0x11/0x20
[ 2508.620016]  ? rcu_is_watching+0x8c/0x150
[ 2508.624203]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2508.628910]  ? is_bpf_text_address+0xd7/0x170
[ 2508.633426]  ? kernel_text_address+0x79/0xf0
[ 2508.637850]  ? __kernel_text_address+0xd/0x40
[ 2508.642395]  ? lock_acquire+0x1e4/0x540
[ 2508.646382]  ? fs_reclaim_acquire+0x20/0x20
[ 2508.650712]  ? lock_downgrade+0x8f0/0x8f0
[ 2508.654883]  ? check_same_owner+0x340/0x340
[ 2508.659217]  ? save_stack+0x43/0xd0
[ 2508.662854]  ? rcu_note_context_switch+0x730/0x730
[ 2508.667792]  ? do_mount+0x69e/0x1fb0
[ 2508.671529]  __alloc_pages_nodemask+0x36e/0xdb0
[ 2508.676220]  ? __alloc_pages_slowpath+0x2d00/0x2d00
[ 2508.681259]  ? kasan_check_read+0x11/0x20
[ 2508.685415]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2508.689841]  ? kasan_check_write+0x14/0x20
[ 2508.694085]  ? do_raw_spin_lock+0xc1/0x200
[ 2508.698335]  ? kasan_unpoison_shadow+0x35/0x50
[ 2508.702925]  ? kasan_kmalloc+0xc4/0xe0
[ 2508.706829]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[ 2508.712385]  alloc_pages_current+0x10c/0x210
[ 2508.716811]  get_zeroed_page+0x14/0x50
[ 2508.720726]  legacy_validate+0x111/0x210
[ 2508.724810]  ? kmemdup+0x44/0x50
[ 2508.728185]  ? legacy_get_tree+0x440/0x440
[ 2508.732431]  vfs_get_tree+0x144/0x5c0
[ 2508.736239]  ? vfs_set_fs_source+0x12c/0x180
[ 2508.740660]  do_mount+0x6c1/0x1fb0
[ 2508.744210]  ? kasan_check_write+0x14/0x20
[ 2508.748466]  ? copy_mount_string+0x40/0x40
[ 2508.752718]  ? retint_kernel+0x10/0x10
[ 2508.756633]  ? copy_mount_options+0x1f0/0x380
[ 2508.761140]  ? copy_mount_options+0x206/0x380
[ 2508.765646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2508.771193]  ? copy_mount_options+0x285/0x380
[ 2508.775703]  ksys_mount+0x12d/0x140
[ 2508.779350]  __x64_sys_mount+0xbe/0x150
[ 2508.783341]  do_syscall_64+0x1b9/0x820
[ 2508.787241]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2508.792182]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2508.797123]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2508.802148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2508.807692]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2508.812717]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2508.817403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2508.822267]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2508.827464] RIP: 0033:0x45885a
[ 2508.830654] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2508.850265] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2508.857991] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2508.865267] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2508.872542] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2508.879820] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2508.887113] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002a
[ 2508.908426] FAT-fs (loop4): bogus number of reserved sectors
[ 2508.914383] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2508.943134] FAT-fs (loop2): bogus number of directory entries (659)
[ 2508.949743] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2508.971481] FAT-fs (loop5): bogus number of reserved sectors
[ 2508.977405] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2508.991925] FAT-fs (loop4): bogus number of reserved sectors
[ 2508.997871] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2509.015336] FAT-fs (loop5): bogus number of reserved sectors
[ 2509.021272] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:14 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000003d)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:14 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x81000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:14 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000e74f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:14 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040b0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:14 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xe000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:14 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xf0ffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:14 executing program 6 (fault-call:1 fault-nth:43):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2509.311193] FAT-fs (loop5): bogus number of reserved sectors
[ 2509.317309] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2509.319686] FAT-fs (loop4): bogus number of reserved sectors
[ 2509.329205] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2509.348903] FAT-fs (loop5): bogus number of reserved sectors
[ 2509.354884] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2509.364918] FAULT_INJECTION: forcing a failure.
[ 2509.364918] name failslab, interval 1, probability 0, space 0, times 0
[ 2509.376295] CPU: 0 PID: 30800 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2509.384728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2509.394104] Call Trace:
[ 2509.396737]  dump_stack+0x1c9/0x2b4
[ 2509.400399]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2509.405624]  ? perf_trace_lock+0x49d/0x920
[ 2509.409889]  should_fail.cold.4+0xa/0x11
[ 2509.413972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2509.419085]  ? should_fail+0x246/0xd86
[ 2509.423028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2509.428148]  ? kasan_check_read+0x11/0x20
[ 2509.432307]  ? rcu_is_watching+0x8c/0x150
[ 2509.436480]  ? is_bpf_text_address+0xd7/0x170
[ 2509.441000]  ? kernel_text_address+0x79/0xf0
[ 2509.445439]  ? lock_acquire+0x1e4/0x540
[ 2509.449426]  ? fs_reclaim_acquire+0x20/0x20
[ 2509.453769]  ? lock_downgrade+0x8f0/0x8f0
[ 2509.457924]  ? fs_reclaim_acquire+0x20/0x20
[ 2509.462275]  ? check_same_owner+0x340/0x340
[ 2509.466609]  ? check_same_owner+0x340/0x340
[ 2509.470945]  ? rcu_note_context_switch+0x730/0x730
[ 2509.475884]  ? rcu_note_context_switch+0x730/0x730
[ 2509.480834]  __should_failslab+0x124/0x180
[ 2509.485084]  should_failslab+0x9/0x14
[ 2509.488896]  kmem_cache_alloc+0x2af/0x760
[ 2509.493055]  ? __alloc_pages_nodemask+0x6e3/0xdb0
[ 2509.497926]  getname_kernel+0x54/0x370
[ 2509.501916]  kern_path+0x1e/0x40
[ 2509.505300]  lookup_bdev+0x10c/0x250
[ 2509.509030]  ? blkdev_open+0x280/0x280
[ 2509.512935]  ? kasan_check_write+0x14/0x20
[ 2509.517190]  ? do_raw_spin_lock+0xc1/0x200
[ 2509.521447]  blkdev_get_by_path+0x1f/0xe0
[ 2509.525614]  mount_bdev+0x61/0x3e0
[ 2509.529170]  ? vfat_mount+0x50/0x50
[ 2509.532818]  vfat_mount+0x3c/0x50
[ 2509.536284]  ? setup+0x120/0x120
[ 2509.539663]  legacy_get_tree+0x118/0x440
[ 2509.543749]  vfs_get_tree+0x1cb/0x5c0
[ 2509.547558]  ? vfs_set_fs_source+0x12c/0x180
[ 2509.551983]  do_mount+0x6c1/0x1fb0
[ 2509.555539]  ? kasan_check_write+0x14/0x20
[ 2509.559793]  ? copy_mount_string+0x40/0x40
[ 2509.564043]  ? kasan_kmalloc+0xc4/0xe0
[ 2509.567951]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2509.572812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2509.578372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2509.583923]  ? copy_mount_options+0x285/0x380
[ 2509.588442]  ksys_mount+0x12d/0x140
[ 2509.592112]  __x64_sys_mount+0xbe/0x150
[ 2509.596114]  do_syscall_64+0x1b9/0x820
[ 2509.600013]  ? finish_task_switch+0x1d3/0x870
[ 2509.604521]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2509.609468]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2509.614415]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2509.619446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2509.625002]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2509.630035]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2509.634731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2509.639603]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2509.644804] RIP: 0033:0x45885a
[ 2509.647993] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2509.667761] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2509.675489] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2509.682769] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2509.690045] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2509.697324] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2509.704604] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002b
[ 2509.731359] FAT-fs (loop4): bogus number of reserved sectors
[ 2509.737273] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:15 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
io_setup(0x6, &(0x7f0000000000)=<r1=>0x0)
clock_gettime(0x0, &(0x7f0000000480)={<r2=>0x0, <r3=>0x0})
io_pgetevents(r1, 0x1000, 0x2, &(0x7f0000000440)=[{}, {}], &(0x7f0000000500)={r2, r3+10000000}, &(0x7f0000000580)={&(0x7f0000000540), 0x8})
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
sigaltstack(&(0x7f0000ff9000/0x3000)=nil, &(0x7f0000000140))
r4 = getpgrp(0x0)
sched_setattr(r4, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f00000003c0)={{&(0x7f0000ff2000/0xe000)=nil, 0xe000}, 0x1})
r5 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
ioctl$KVM_SET_XSAVE(r5, 0x5000aea5, &(0x7f0000000900)={"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"})
tkill(r4, 0x2a)
r6 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r5}, 0x10)
r7 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r7, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r7, &(0x7f00000002c0)="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", 0xfb, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1f}}, 0x10)
ioctl$KDGETMODE(r6, 0x4b3b, &(0x7f0000000240))

08:33:15 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffff7f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:15 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x80020000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:15 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000f74f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:15 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040d0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:15 executing program 6 (fault-call:1 fault-nth:44):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:15 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xf5ffffff00000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2509.926854] FAULT_INJECTION: forcing a failure.
[ 2509.926854] name failslab, interval 1, probability 0, space 0, times 0
[ 2509.938383] CPU: 0 PID: 30814 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2509.946807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2509.954456] FAT-fs (loop5): bogus number of reserved sectors
[ 2509.956171] Call Trace:
[ 2509.956200]  dump_stack+0x1c9/0x2b4
[ 2509.956227]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2509.962053] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2509.964654]  ? perf_trace_lock+0x49d/0x920
[ 2509.964688]  should_fail.cold.4+0xa/0x11
[ 2509.987952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2509.993090]  ? should_fail+0x246/0xd86
[ 2509.997017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2510.002148]  ? kasan_check_read+0x11/0x20
[ 2510.006318]  ? rcu_is_watching+0x8c/0x150
[ 2510.010520]  ? is_bpf_text_address+0xd7/0x170
[ 2510.015045]  ? kernel_text_address+0x79/0xf0
[ 2510.017612] FAT-fs (loop4): bogus number of reserved sectors
[ 2510.019484]  ? lock_acquire+0x1e4/0x540
[ 2510.019503]  ? fs_reclaim_acquire+0x20/0x20
[ 2510.019521]  ? lock_downgrade+0x8f0/0x8f0
[ 2510.019540]  ? fs_reclaim_acquire+0x20/0x20
[ 2510.025360] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2510.029313]  ? check_same_owner+0x340/0x340
[ 2510.029327]  ? check_same_owner+0x340/0x340
[ 2510.029348]  ? rcu_note_context_switch+0x730/0x730
[ 2510.061662]  ? rcu_note_context_switch+0x730/0x730
[ 2510.066612]  __should_failslab+0x124/0x180
[ 2510.070869]  should_failslab+0x9/0x14
[ 2510.074681]  kmem_cache_alloc+0x2af/0x760
[ 2510.078847]  ? __alloc_pages_nodemask+0x6e3/0xdb0
[ 2510.083716]  getname_kernel+0x54/0x370
[ 2510.087627]  kern_path+0x1e/0x40
[ 2510.091007]  lookup_bdev+0x10c/0x250
[ 2510.094730]  ? blkdev_open+0x280/0x280
[ 2510.098636]  ? kasan_check_write+0x14/0x20
[ 2510.102884]  ? do_raw_spin_lock+0xc1/0x200
[ 2510.107135]  blkdev_get_by_path+0x1f/0xe0
[ 2510.111298]  mount_bdev+0x61/0x3e0
[ 2510.114848]  ? vfat_mount+0x50/0x50
[ 2510.118490]  vfat_mount+0x3c/0x50
[ 2510.121952]  ? setup+0x120/0x120
[ 2510.125329]  legacy_get_tree+0x118/0x440
[ 2510.129423]  vfs_get_tree+0x1cb/0x5c0
[ 2510.133241]  ? vfs_set_fs_source+0x12c/0x180
[ 2510.137673]  do_mount+0x6c1/0x1fb0
[ 2510.141226]  ? kasan_check_write+0x14/0x20
[ 2510.145501]  ? copy_mount_string+0x40/0x40
[ 2510.149748]  ? kasan_kmalloc+0xc4/0xe0
[ 2510.153673]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2510.158533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2510.164104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2510.169685]  ? copy_mount_options+0x285/0x380
[ 2510.174199]  ksys_mount+0x12d/0x140
08:33:15 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404100a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:15 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x4000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.177840]  __x64_sys_mount+0xbe/0x150
[ 2510.181833]  do_syscall_64+0x1b9/0x820
[ 2510.185733]  ? finish_task_switch+0x1d3/0x870
[ 2510.190245]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2510.195192]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2510.200130]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2510.205161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2510.210718]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2510.215760]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2510.220455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2510.225335]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2510.230544] RIP: 0033:0x45885a
[ 2510.233742] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2510.253296] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2510.261040] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2510.268331] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2510.275621] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2510.282902] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2510.290185] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002c
[ 2510.332154] FAT-fs (loop4): bogus number of reserved sectors
[ 2510.338066] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2510.345326] FAT-fs (loop5): bogus number of reserved sectors
[ 2510.351195] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:15 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000130)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:15 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02060274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:15 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0xfffffffffffffffc, 0x0, 0x9, 0x7fff}, 0x0)
getsockopt$IP_VS_SO_GET_INFO(r0, 0x0, 0x481, &(0x7f0000000140), &(0x7f0000000240)=0xc)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:15 executing program 6 (fault-call:1 fault-nth:45):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:15 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x8100}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:15 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x300000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:15 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x1000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:15 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404050a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2510.422883] FAT-fs (loop2): bogus number of directory entries (518)
[ 2510.428540] FAULT_INJECTION: forcing a failure.
[ 2510.428540] name failslab, interval 1, probability 0, space 0, times 0
[ 2510.429411] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2510.440675] CPU: 0 PID: 30850 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2510.454959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2510.464336] Call Trace:
[ 2510.466962]  dump_stack+0x1c9/0x2b4
[ 2510.470635]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2510.475865]  ? perf_trace_lock+0x49d/0x920
[ 2510.480151]  should_fail.cold.4+0xa/0x11
[ 2510.484245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2510.489404]  ? save_stack+0xa9/0xd0
[ 2510.493054]  ? save_stack+0x43/0xd0
[ 2510.496700]  ? kasan_kmalloc+0xc4/0xe0
[ 2510.500603]  ? __kmalloc+0x14e/0x760
[ 2510.504331]  ? __list_lru_init+0x151/0x840
[ 2510.508574]  ? alloc_super+0x976/0xb10
[ 2510.512481]  ? sget+0x10b/0x150
[ 2510.515771]  ? mount_bdev+0x115/0x3e0
[ 2510.519600]  ? vfat_mount+0x3c/0x50
[ 2510.523239]  ? legacy_get_tree+0x118/0x440
[ 2510.527491]  ? vfs_get_tree+0x1cb/0x5c0
[ 2510.531479]  ? do_mount+0x6c1/0x1fb0
[ 2510.535218]  ? lock_acquire+0x1e4/0x540
[ 2510.539199]  ? fs_reclaim_acquire+0x20/0x20
[ 2510.543530]  ? lock_downgrade+0x8f0/0x8f0
[ 2510.547705]  ? check_same_owner+0x340/0x340
[ 2510.552046]  ? rcu_note_context_switch+0x730/0x730
[ 2510.556995]  __should_failslab+0x124/0x180
[ 2510.561244]  should_failslab+0x9/0x14
[ 2510.565057]  kmem_cache_alloc_node_trace+0x26f/0x770
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x2}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.570170]  ? kasan_kmalloc+0xc4/0xe0
[ 2510.574086]  __kmalloc_node+0x33/0x70
[ 2510.577902]  kvmalloc_node+0x65/0xf0
[ 2510.581629]  __list_lru_init+0x5d9/0x840
[ 2510.585717]  ? list_lru_destroy+0x500/0x500
[ 2510.590074]  ? prealloc_shrinker+0x213/0x480
[ 2510.594497]  ? __init_waitqueue_head+0x9e/0x150
[ 2510.599187]  ? inactive_list_is_low+0x850/0x850
[ 2510.603881]  ? __lockdep_init_map+0x105/0x590
[ 2510.608403]  alloc_super+0x976/0xb10
[ 2510.612148]  ? destroy_unused_super.part.11+0x110/0x110
[ 2510.617569]  ? lock_downgrade+0x8f0/0x8f0
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfffffffffffff000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.621769]  ? kasan_check_read+0x11/0x20
[ 2510.625937]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2510.630544]  ? kasan_check_write+0x14/0x20
[ 2510.634806]  ? do_raw_spin_lock+0xc1/0x200
[ 2510.639069]  sget_userns+0x276/0x860
[ 2510.642796]  ? kill_litter_super+0x60/0x60
[ 2510.647050]  ? test_single_super+0x10/0x10
[ 2510.651303]  ? vfs_get_super+0x270/0x270
[ 2510.655383]  ? kasan_check_read+0x11/0x20
[ 2510.659554]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2510.664180]  ? kasan_check_write+0x14/0x20
[ 2510.668444]  ? do_raw_spin_lock+0xc1/0x200
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x200000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.672742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2510.678310]  ? ns_capable_common+0x13f/0x170
[ 2510.682749]  ? kill_litter_super+0x60/0x60
[ 2510.687005]  sget+0x10b/0x150
[ 2510.690131]  ? test_single_super+0x10/0x10
[ 2510.694416]  mount_bdev+0x115/0x3e0
[ 2510.698060]  ? vfat_mount+0x50/0x50
[ 2510.701707]  vfat_mount+0x3c/0x50
[ 2510.705181]  ? setup+0x120/0x120
[ 2510.708569]  legacy_get_tree+0x118/0x440
[ 2510.712661]  vfs_get_tree+0x1cb/0x5c0
[ 2510.716481]  ? vfs_set_fs_source+0x12c/0x180
[ 2510.720915]  do_mount+0x6c1/0x1fb0
[ 2510.724474]  ? check_same_owner+0x340/0x340
[ 2510.728899]  ? lock_release+0xa30/0xa30
[ 2510.732897]  ? copy_mount_string+0x40/0x40
[ 2510.737158]  ? retint_kernel+0x10/0x10
[ 2510.741116]  ? copy_mount_options+0x1f0/0x380
[ 2510.745628]  ? copy_mount_options+0x206/0x380
[ 2510.750160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2510.755727]  ? copy_mount_options+0x285/0x380
[ 2510.755740] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2510.760227]  ksys_mount+0x12d/0x140
[ 2510.760251]  __x64_sys_mount+0xbe/0x150
[ 2510.760272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2510.760293]  do_syscall_64+0x1b9/0x820
[ 2510.760309]  ? syscall_slow_exit_work+0x500/0x500
[ 2510.760328]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2510.760346]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2510.760367]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2510.760382]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2510.760398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2510.760423]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2510.760437] RIP: 0033:0x45885a
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x734f0000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.760442] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2510.842212] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2510.847159] FAT-fs (loop4): bogus number of reserved sectors
[ 2510.849959] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2510.849971] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x2000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.849982] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2510.849992] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2510.850002] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002d
[ 2510.892701] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2510.913354] FAT-fs (loop5): bogus number of reserved sectors
[ 2510.919424] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf0ffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2510.928125] FAT-fs (loop2): bogus number of directory entries (518)
[ 2510.934714] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2510.953332] FAT-fs (loop5): bogus number of reserved sectors
[ 2510.959236] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2510.967646] FAT-fs (loop4): bogus number of reserved sectors
08:33:16 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040e0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:16 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x50a0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2510.973546] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2511.048782] FAT-fs (loop5): bogus number of reserved sectors
[ 2511.054693] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2511.087399] FAT-fs (loop5): bogus number of reserved sectors
[ 2511.093301] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:16 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000cb)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:16 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02080274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:16 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x2677}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x4}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:16 executing program 6 (fault-call:1 fault-nth:46):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:16 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040fff02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:16 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa604}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:16 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
ioctl$UFFDIO_COPY(r3, 0xc028aa03, &(0x7f0000000140)={&(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x4000, 0x1})
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

[ 2511.455641] FAT-fs (loop4): bogus number of reserved sectors
[ 2511.461790] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2511.472337] FAT-fs (loop2): bogus number of directory entries (520)
[ 2511.478838] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2511.493784] FAT-fs (loop5): bogus number of reserved sectors
[ 2511.499716] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:16 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xffffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2511.499941] FAT-fs (loop7): count of clusters too big (4294966421)
[ 2511.509062] FAT-fs (loop4): bogus number of reserved sectors
[ 2511.512013] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2511.517836] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2511.545887] FAT-fs (loop2): bogus number of directory entries (520)
08:33:17 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a020a0074f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2511.552446] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2511.573464] FAT-fs (loop7): count of clusters too big (4294966421)
[ 2511.579921] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2511.598820] FAT-fs (loop5): bogus number of reserved sectors
[ 2511.604769] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2511.619708] FAULT_INJECTION: forcing a failure.
[ 2511.619708] name failslab, interval 1, probability 0, space 0, times 0
[ 2511.627962] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2511.631081] CPU: 0 PID: 30928 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2511.631093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2511.631100] Call Trace:
[ 2511.631125]  dump_stack+0x1c9/0x2b4
[ 2511.631149]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2511.631171]  ? perf_trace_lock+0x49d/0x920
[ 2511.631203]  should_fail.cold.4+0xa/0x11
[ 2511.631228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2511.631254]  ? save_stack+0xa9/0xd0
[ 2511.631270]  ? save_stack+0x43/0xd0
[ 2511.631288]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2511.631304]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2511.631319]  ? __list_lru_init+0x4d6/0x840
[ 2511.631335]  ? alloc_super+0x976/0xb10
[ 2511.631351]  ? sget+0x10b/0x150
[ 2511.631366]  ? mount_bdev+0x115/0x3e0
[ 2511.631381]  ? legacy_get_tree+0x118/0x440
[ 2511.631394]  ? vfs_get_tree+0x1cb/0x5c0
[ 2511.631412]  ? do_mount+0x6c1/0x1fb0
[ 2511.724676]  ? ksys_mount+0x12d/0x140
[ 2511.728491]  ? __x64_sys_mount+0xbe/0x150
[ 2511.732650]  ? do_syscall_64+0x1b9/0x820
[ 2511.736728]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2511.742131]  ? lock_acquire+0x1e4/0x540
[ 2511.746118]  ? fs_reclaim_acquire+0x20/0x20
[ 2511.750458]  ? lock_downgrade+0x8f0/0x8f0
[ 2511.754627]  ? do_mount+0x6c1/0x1fb0
[ 2511.758364]  ? check_same_owner+0x340/0x340
[ 2511.762702]  ? rcu_note_context_switch+0x730/0x730
[ 2511.767647]  __should_failslab+0x124/0x180
[ 2511.771901]  should_failslab+0x9/0x14
[ 2511.775716]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2511.780394]  ? kasan_kmalloc+0xc4/0xe0
[ 2511.784308]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2511.789339]  ? kvfree_rcu+0x20/0x20
[ 2511.792976]  ? __kmalloc_node+0x47/0x70
[ 2511.796964]  __list_lru_init+0x4d6/0x840
[ 2511.801043]  ? list_lru_destroy+0x500/0x500
[ 2511.805394]  ? prealloc_shrinker+0x213/0x480
[ 2511.809823]  ? __init_waitqueue_head+0x9e/0x150
[ 2511.814524]  ? inactive_list_is_low+0x850/0x850
[ 2511.819222]  ? __lockdep_init_map+0x105/0x590
[ 2511.823746]  alloc_super+0x976/0xb10
[ 2511.827497]  ? destroy_unused_super.part.11+0x110/0x110
[ 2511.830897] FAT-fs (loop4): bogus number of reserved sectors
[ 2511.832878]  ? lock_downgrade+0x8f0/0x8f0
[ 2511.832909]  ? kasan_check_read+0x11/0x20
[ 2511.832930]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2511.832948]  ? kasan_check_write+0x14/0x20
08:33:17 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfffffff5}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:17 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404060a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:17 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfffff000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2511.832960]  ? do_raw_spin_lock+0xc1/0x200
[ 2511.832987]  sget_userns+0x276/0x860
[ 2511.833001]  ? kill_litter_super+0x60/0x60
[ 2511.833022]  ? test_single_super+0x10/0x10
[ 2511.833039]  ? vfs_get_super+0x270/0x270
[ 2511.833053]  ? kasan_check_read+0x11/0x20
[ 2511.833067]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2511.833085]  ? kasan_check_write+0x14/0x20
[ 2511.833097]  ? do_raw_spin_lock+0xc1/0x200
[ 2511.833151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2511.833170]  ? ns_capable_common+0x13f/0x170
[ 2511.833188]  ? kill_litter_super+0x60/0x60
[ 2511.833201]  sget+0x10b/0x150
[ 2511.833217]  ? test_single_super+0x10/0x10
[ 2511.833238]  mount_bdev+0x115/0x3e0
[ 2511.833259]  ? vfat_mount+0x50/0x50
[ 2511.839071] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2511.843213]  vfat_mount+0x3c/0x50
[ 2511.843229]  ? setup+0x120/0x120
[ 2511.843248]  legacy_get_tree+0x118/0x440
[ 2511.939195]  vfs_get_tree+0x1cb/0x5c0
[ 2511.943009]  ? vfs_set_fs_source+0x12c/0x180
[ 2511.947433]  do_mount+0x6c1/0x1fb0
[ 2511.950990]  ? check_same_owner+0x340/0x340
[ 2511.955321]  ? lock_release+0xa30/0xa30
[ 2511.959315]  ? copy_mount_string+0x40/0x40
[ 2511.963562]  ? retint_kernel+0x10/0x10
[ 2511.967482]  ? copy_mount_options+0x1a1/0x380
[ 2511.971988]  ? __sanitizer_cov_trace_pc+0x44/0x50
[ 2511.976842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2511.982388]  ? copy_mount_options+0x285/0x380
[ 2511.986900]  ksys_mount+0x12d/0x140
[ 2511.990546]  __x64_sys_mount+0xbe/0x150
[ 2511.994534]  do_syscall_64+0x1b9/0x820
[ 2511.998470]  ? finish_task_switch+0x1d3/0x870
[ 2512.002980]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2512.007925]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2512.012868]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2512.017896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2512.023479]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2512.028508]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2512.033195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2512.038063]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2512.043269] RIP: 0033:0x45885a
[ 2512.046544] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2512.066131] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2512.073861] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2512.081140] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2512.088420] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2512.095708] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
08:33:17 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x407fe}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2512.103077] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002e
[ 2512.118469] FAT-fs (loop2): bogus number of directory entries (10)
[ 2512.125035] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2512.133378] FAT-fs (loop4): bogus number of reserved sectors
[ 2512.139356] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:17 executing program 6 (fault-call:1 fault-nth:47):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:17 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2512.164515] FAT-fs (loop2): bogus number of directory entries (10)
[ 2512.170947] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2512.182603] FAT-fs (loop5): bogus number of reserved sectors
[ 2512.188611] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2512.221905] FAT-fs (loop5): bogus number of reserved sectors
[ 2512.228137] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2512.248990] FAULT_INJECTION: forcing a failure.
[ 2512.248990] name failslab, interval 1, probability 0, space 0, times 0
[ 2512.260301] CPU: 1 PID: 30960 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2512.268715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2512.278091] Call Trace:
[ 2512.280686]  dump_stack+0x1c9/0x2b4
[ 2512.284317]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2512.289519]  ? perf_trace_lock+0xde/0x920
[ 2512.293674]  should_fail.cold.4+0xa/0x11
[ 2512.297741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2512.302864]  ? save_stack+0xa9/0xd0
[ 2512.307883]  ? save_stack+0x43/0xd0
[ 2512.311513]  ? kasan_kmalloc+0xc4/0xe0
[ 2512.315401]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2512.320261]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2512.325453]  ? __list_lru_init+0x4d6/0x840
[ 2512.329690]  ? alloc_super+0x976/0xb10
[ 2512.333588]  ? sget+0x10b/0x150
[ 2512.336870]  ? mount_bdev+0x115/0x3e0
[ 2512.340681]  ? legacy_get_tree+0x118/0x440
[ 2512.344918]  ? vfs_get_tree+0x1cb/0x5c0
[ 2512.348899]  ? do_mount+0x6c1/0x1fb0
[ 2512.352625]  ? ksys_mount+0x12d/0x140
[ 2512.356428]  ? __x64_sys_mount+0xbe/0x150
[ 2512.360578]  ? do_syscall_64+0x1b9/0x820
[ 2512.364648]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2512.370040]  ? lock_acquire+0x1e4/0x540
[ 2512.374026]  ? fs_reclaim_acquire+0x20/0x20
[ 2512.378359]  ? lock_downgrade+0x8f0/0x8f0
[ 2512.382522]  ? do_mount+0x6c1/0x1fb0
[ 2512.386248]  ? check_same_owner+0x340/0x340
[ 2512.390579]  ? rcu_note_context_switch+0x730/0x730
[ 2512.395520]  __should_failslab+0x124/0x180
[ 2512.399758]  should_failslab+0x9/0x14
[ 2512.403560]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2512.408226]  ? kasan_kmalloc+0xc4/0xe0
[ 2512.412121]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2512.417151]  ? kvfree_rcu+0x20/0x20
[ 2512.420790]  ? __kmalloc_node+0x47/0x70
[ 2512.424775]  __list_lru_init+0x4d6/0x840
[ 2512.428938]  ? list_lru_destroy+0x500/0x500
[ 2512.433270]  ? prealloc_shrinker+0x213/0x480
[ 2512.437686]  ? __init_waitqueue_head+0x9e/0x150
[ 2512.442373]  ? inactive_list_is_low+0x850/0x850
[ 2512.447055]  ? __lockdep_init_map+0x105/0x590
[ 2512.451555]  alloc_super+0x976/0xb10
[ 2512.455277]  ? destroy_unused_super.part.11+0x110/0x110
[ 2512.460644]  ? lock_downgrade+0x8f0/0x8f0
[ 2512.464798]  ? kasan_check_read+0x11/0x20
[ 2512.468946]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2512.473533]  ? kasan_check_write+0x14/0x20
[ 2512.477771]  ? do_raw_spin_lock+0xc1/0x200
[ 2512.482016]  sget_userns+0x276/0x860
[ 2512.485731]  ? kill_litter_super+0x60/0x60
[ 2512.489965]  ? test_single_super+0x10/0x10
[ 2512.494209]  ? vfs_get_super+0x270/0x270
[ 2512.498270]  ? kasan_check_read+0x11/0x20
[ 2512.502419]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2512.507000]  ? kasan_check_write+0x14/0x20
[ 2512.511236]  ? do_raw_spin_lock+0xc1/0x200
[ 2512.515485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2512.521034]  ? ns_capable_common+0x13f/0x170
[ 2512.525448]  ? kill_litter_super+0x60/0x60
[ 2512.529679]  sget+0x10b/0x150
[ 2512.532785]  ? test_single_super+0x10/0x10
[ 2512.537039]  mount_bdev+0x115/0x3e0
[ 2512.540665]  ? vfat_mount+0x50/0x50
[ 2512.544301]  vfat_mount+0x3c/0x50
[ 2512.547752]  ? setup+0x120/0x120
[ 2512.551117]  legacy_get_tree+0x118/0x440
[ 2512.555189]  vfs_get_tree+0x1cb/0x5c0
[ 2512.558988]  ? vfs_set_fs_source+0x12c/0x180
[ 2512.563400]  do_mount+0x6c1/0x1fb0
[ 2512.566942]  ? check_same_owner+0x340/0x340
[ 2512.571262]  ? lock_release+0xa30/0xa30
[ 2512.575237]  ? copy_mount_string+0x40/0x40
[ 2512.579477]  ? kasan_kmalloc+0xc4/0xe0
[ 2512.584095]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2512.588949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2512.594503]  ? _copy_from_user+0xdf/0x150
[ 2512.598654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2512.604190]  ? copy_mount_options+0x285/0x380
[ 2512.608686]  ksys_mount+0x12d/0x140
[ 2512.612314]  __x64_sys_mount+0xbe/0x150
[ 2512.616292]  do_syscall_64+0x1b9/0x820
[ 2512.620177]  ? finish_task_switch+0x1d3/0x870
[ 2512.624683]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2512.629613]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2512.634545]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2512.639565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2512.645107]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2512.650127]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2512.654795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2512.659645]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2512.664834] RIP: 0033:0x45885a
[ 2512.668013] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2512.687327] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2512.695038] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2512.702304] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2512.709573] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2512.716840] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
08:33:18 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000008f)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:18 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404090a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:18 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xff0f000000000000}, {&(0x7f0000000780)="68f37a52bd948b22bd6f90198ef37d2206606e492a4bc1c2e7be0e609bf078648045df0fa9e7f8344b7ea421f8c59d10c08470e73d8184d7c67aee76f9b7fcbb5fc0dcbee65a07df4e5b27b4990c8f051bab19a4d3a63576b7027e1772a82e58f7f5482bc58b0830a021e0a8c75a7a5d4c7d86cb424bb47ad43292d7ae87a0ff02c5159088f15ab4da5ca9ab5fd9bd0d83bd6679d2892c4c296f5e920a889264157f36d3a5d41532b2bc7e73474ecdf3a175b2d967e9b1e1524cae7e022d2a49200fda72f497ea388d70edb646cab50ab18f37e34ae240b7de7ffbafe1ec20b87dd28dcdf3c8a96cca28343f672a72e2c5e060b646945fc396c134483c8244fae9d45b19f68503a71d536b2ccdf147e23b51598337411e63e321cf5c5af58203b0f0cab7ec76d9acf2c46c4ff15d2b96061b0930a52e75eddf3c17882d78206986d6b1f15ec404af646bf86ebda70580dc7b6d14faa8c7180ada6d05a996f84f881a2ea322330bb571ec7215fe7aeac871a98de01a", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:18 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a024c0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:18 executing program 1:
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(0xffffffffffffffff, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getpid()
getpgrp(0x0)
ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f00000000c0))
ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000200))
fcntl$getownex(0xffffffffffffff9c, 0x10, &(0x7f0000000280)={0x0, <r0=>0x0})
r1 = getpgrp(r0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f00000003c0)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000440), &(0x7f0000000500)="36c14ec037eb7894e7ea2f1d232aeeb5f9b3ba1ebcbfc97c6c2ce648c42053969f3c6b188c025135315d55e16143c00087405cebc49d25dbcc3fc89a4b75e33596472b8265c9547d390734e5bb2b8f2d1f2801000ba87a806c8be23ddd4a5f326d86d2f30aaaf8a07c9c00ac8b23ef679d0c5d19ffb2678e327146852ec39c3bb9a9ac165079bb8e1a97de9f86842fb87f01b04668bca9cb8e059824894f2ab84a8d46ecf598592686961cca68dba9d20b12c35759c19298d3c4640b65")
ioctl$UFFDIO_ZEROPAGE(0xffffffffffffffff, 0xc020aa04, &(0x7f0000000240)={{&(0x7f0000ffd000/0x1000)=nil, 0x1000}, 0x5})
ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f00000006c0)=ANY=[@ANYBLOB="00f0ffffffffffff04000000000000000600000000000000", @ANYRES32, @ANYBLOB="00000000ff7f00000000000000000000000000000000000000000000", @ANYRES32, @ANYBLOB="009a000000000000000000000000000000e1ff871fa11ad1165613a091c7a49904c7b1ffffffffffff000000", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00\a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB='\x00\x00\x00\x00a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', @ANYRES32, @ANYBLOB="000000000000000000ffff0000000000000000000000000000000000", @ANYRES32, @ANYBLOB="000000008000000000000000000000000000001508000054a5a95e00"])
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000480)='/dev/sequencer\x00', 0x200, 0x0)
socket$rds(0x15, 0x5, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r2, &(0x7f0000000080)={0x20000001})
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
ioctl$PERF_EVENT_IOC_DISABLE(r2, 0x2401, 0x8002)
setsockopt$inet6_tcp_buf(r3, 0x6, 0x21, &(0x7f00000005c0)="6bce11e43898d5c2a9c9d49ee017664fb7badc34001746cf63d46e5739dca34a408c4b8f9e26a0b07aaab1c5953566d56414b0b71eb9eabe25e132aa064f67887b086ac4e28099f461e5cb3c5d9618cbc07c93f84ca91e41869b6a93fe9e56b7f9629103a6fd9861aa683cd644c83ee7cd30eebdbc8d050f73171fa81ecb6e7dde8c7fd3a8323e733dd06ac1c9e73000a0714e1b9839a8edbcd9d941748469a10b475c1ca6418f32bad7fcc80efb8d397bdc43cbf0188f97cdec62bb38b5763b4b7f0e29", 0xc4)
rename(&(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='./file0/file0\x00')

08:33:18 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x7}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2512.724108] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000002f
08:33:18 executing program 6 (fault-call:1 fault-nth:48):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x1000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2512.779217] FAT-fs (loop2): bogus number of directory entries (588)
[ 2512.784983] FAT-fs (loop4): bogus number of reserved sectors
[ 2512.785819] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2512.791647] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:18 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404040a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2512.848638] FAULT_INJECTION: forcing a failure.
[ 2512.848638] name failslab, interval 1, probability 0, space 0, times 0
[ 2512.850480] FAT-fs (loop4): bogus number of reserved sectors
[ 2512.860083] CPU: 1 PID: 30992 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2512.865803] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2512.874183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2512.874190] Call Trace:
[ 2512.874216]  dump_stack+0x1c9/0x2b4
08:33:18 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
sendmsg$nl_netfilter(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2100}, 0xc, &(0x7f0000000240)={&(0x7f00000002c0)={0x84, 0x7, 0xf, 0x400, 0x70bd29, 0x25dfdbfd, {0xf, 0x0, 0x7}, [@typed={0xc, 0x4, @str=')),(\x00'}, @typed={0x64, 0x90, @binary="b9e21452a584cb2aa85ae2230a27e90f7a4dc691057b6766db2ff6d25ca010c5941a925ae6b151de5263813f2689ede827e7eb8de59d591c963bc36b2a15bf9ef5d0a229369662d9bc581578a294c2e72d3dcc8bdd0d6d6a37026da9cd26"}]}, 0x84}, 0x1, 0x0, 0x0, 0xc880}, 0x0)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xfeffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2512.874235]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2512.874260]  ? perf_trace_lock+0xde/0x920
[ 2512.905041]  should_fail.cold.4+0xa/0x11
[ 2512.909330]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2512.914457]  ? save_stack+0xa9/0xd0
[ 2512.918105]  ? save_stack+0x43/0xd0
[ 2512.921748]  ? kasan_kmalloc+0xc4/0xe0
[ 2512.925654]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2512.930513]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2512.935719]  ? __list_lru_init+0x4d6/0x840
[ 2512.938692] FAT-fs (loop5): invalid media value (0x01)
[ 2512.939959]  ? alloc_super+0x976/0xb10
[ 2512.939975]  ? sget+0x10b/0x150
[ 2512.939990]  ? mount_bdev+0x115/0x3e0
[ 2512.940005]  ? legacy_get_tree+0x118/0x440
[ 2512.940023]  ? vfs_get_tree+0x1cb/0x5c0
[ 2512.945320] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2512.949185]  ? do_mount+0x6c1/0x1fb0
[ 2512.949198]  ? ksys_mount+0x12d/0x140
[ 2512.949208]  ? __x64_sys_mount+0xbe/0x150
[ 2512.949230]  ? do_syscall_64+0x1b9/0x820
[ 2512.986018]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2512.991408]  ? lock_acquire+0x1e4/0x540
08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xc0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2512.995396]  ? fs_reclaim_acquire+0x20/0x20
[ 2512.999732]  ? lock_downgrade+0x8f0/0x8f0
[ 2513.003886]  ? do_mount+0x6c1/0x1fb0
[ 2513.007606]  ? check_same_owner+0x340/0x340
[ 2513.011929]  ? rcu_note_context_switch+0x730/0x730
[ 2513.016879]  __should_failslab+0x124/0x180
[ 2513.021128]  should_failslab+0x9/0x14
[ 2513.024938]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2513.029615]  ? kasan_kmalloc+0xc4/0xe0
[ 2513.033516]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2513.038654]  ? kvfree_rcu+0x20/0x20
[ 2513.042292]  ? __kmalloc_node+0x47/0x70
08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0xf000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2513.046277]  __list_lru_init+0x4d6/0x840
[ 2513.050360]  ? list_lru_destroy+0x500/0x500
[ 2513.054705]  ? prealloc_shrinker+0x213/0x480
[ 2513.059136]  ? __init_waitqueue_head+0x9e/0x150
[ 2513.063811]  ? inactive_list_is_low+0x850/0x850
[ 2513.068490]  ? __lockdep_init_map+0x105/0x590
[ 2513.072996]  alloc_super+0x976/0xb10
[ 2513.076719]  ? destroy_unused_super.part.11+0x110/0x110
[ 2513.082094]  ? lock_downgrade+0x8f0/0x8f0
[ 2513.086254]  ? kasan_check_read+0x11/0x20
[ 2513.090414]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2513.095012]  ? kasan_check_write+0x14/0x20
[ 2513.099349]  ? do_raw_spin_lock+0xc1/0x200
[ 2513.103616]  sget_userns+0x276/0x860
[ 2513.107340]  ? kill_litter_super+0x60/0x60
[ 2513.111581]  ? test_single_super+0x10/0x10
[ 2513.115825]  ? vfs_get_super+0x270/0x270
[ 2513.119896]  ? kasan_check_read+0x11/0x20
[ 2513.124062]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2513.128653]  ? kasan_check_write+0x14/0x20
[ 2513.132892]  ? do_raw_spin_lock+0xc1/0x200
[ 2513.137144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2513.142686]  ? ns_capable_common+0x13f/0x170
08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x300}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2513.147103]  ? kill_litter_super+0x60/0x60
[ 2513.151341]  sget+0x10b/0x150
[ 2513.154455]  ? test_single_super+0x10/0x10
[ 2513.158702]  mount_bdev+0x115/0x3e0
[ 2513.162337]  ? vfat_mount+0x50/0x50
[ 2513.165980]  vfat_mount+0x3c/0x50
[ 2513.169440]  ? setup+0x120/0x120
[ 2513.172810]  legacy_get_tree+0x118/0x440
[ 2513.176878]  vfs_get_tree+0x1cb/0x5c0
[ 2513.180685]  ? vfs_set_fs_source+0x12c/0x180
[ 2513.185108]  do_mount+0x6c1/0x1fb0
[ 2513.188656]  ? check_same_owner+0x340/0x340
[ 2513.192987]  ? copy_mount_string+0x40/0x40
08:33:18 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x600}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2513.197231]  ? retint_kernel+0x10/0x10
[ 2513.201128]  ? copy_mount_options+0x213/0x380
[ 2513.205634]  ? write_comp_data+0x6c/0x70
[ 2513.209702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2513.215251]  ? copy_mount_options+0x285/0x380
[ 2513.219764]  ksys_mount+0x12d/0x140
[ 2513.223410]  __x64_sys_mount+0xbe/0x150
[ 2513.227398]  do_syscall_64+0x1b9/0x820
[ 2513.236117]  ? finish_task_switch+0x1d3/0x870
[ 2513.240625]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2513.245575]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2513.250544]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2513.255588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2513.261146]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2513.266174]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2513.270859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2513.275714]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2513.280910] RIP: 0033:0x45885a
[ 2513.284097] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2513.303390] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2513.311108] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2513.318382] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2513.325652] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2513.332921] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2513.340197] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000030
[ 2513.366526] FAT-fs (loop2): bogus number of directory entries (588)
[ 2513.373063] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2513.387134] FAT-fs (loop5): invalid media value (0x01)
[ 2513.392517] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:19 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000e1)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:19 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x6}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:19 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02100274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:19 executing program 6 (fault-call:1 fault-nth:49):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:19 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xffffff7f00000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:19 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404230a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:19 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x1000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2513.799404] FAT-fs (loop2): bogus number of directory entries (528)
[ 2513.805920] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:19 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404020a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2513.864643] FAT-fs (loop2): bogus number of directory entries (528)
[ 2513.867191] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2513.871178] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:19 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
ioctl$KVM_S390_UCAS_MAP(r0, 0x4018ae50, &(0x7f0000000140)={0x0, 0x4, 0x5})
ioctl$PERF_EVENT_IOC_REFRESH(r0, 0x2402, 0x8000)
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:19 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x300000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2513.930918] FAULT_INJECTION: forcing a failure.
[ 2513.930918] name failslab, interval 1, probability 0, space 0, times 0
[ 2513.942263] CPU: 1 PID: 31044 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2513.950683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2513.960049] Call Trace:
[ 2513.962658]  dump_stack+0x1c9/0x2b4
[ 2513.966313]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2513.971530]  ? perf_trace_lock+0xde/0x920
[ 2513.975705]  should_fail.cold.4+0xa/0x11
[ 2513.979802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2513.984936]  ? save_stack+0xa9/0xd0
[ 2513.988591]  ? save_stack+0x43/0xd0
[ 2513.992242]  ? kasan_kmalloc+0xc4/0xe0
[ 2513.996160]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2514.001032]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2514.006252]  ? __list_lru_init+0x4d6/0x840
[ 2514.006855] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2514.010499]  ? alloc_super+0x976/0xb10
[ 2514.010516]  ? sget+0x10b/0x150
[ 2514.010533]  ? mount_bdev+0x115/0x3e0
08:33:19 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x9effffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2514.010552]  ? legacy_get_tree+0x118/0x440
[ 2514.010569]  ? vfs_get_tree+0x1cb/0x5c0
[ 2514.036219]  ? do_mount+0x6c1/0x1fb0
[ 2514.039948]  ? ksys_mount+0x12d/0x140
[ 2514.043763]  ? __x64_sys_mount+0xbe/0x150
[ 2514.047939]  ? do_syscall_64+0x1b9/0x820
[ 2514.052028]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2514.057414]  ? lock_acquire+0x1e4/0x540
[ 2514.061406]  ? fs_reclaim_acquire+0x20/0x20
[ 2514.065746]  ? lock_downgrade+0x8f0/0x8f0
[ 2514.066208] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2514.069909]  ? do_mount+0x6c1/0x1fb0
08:33:19 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000374f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2514.069931]  ? check_same_owner+0x340/0x340
[ 2514.069949]  ? rcu_note_context_switch+0x730/0x730
[ 2514.069966]  __should_failslab+0x124/0x180
[ 2514.069986]  should_failslab+0x9/0x14
[ 2514.094273] FAT-fs (loop4): bogus number of reserved sectors
[ 2514.097464]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2514.097483]  ? kasan_kmalloc+0xc4/0xe0
[ 2514.097523]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2514.097551]  ? kvfree_rcu+0x20/0x20
[ 2514.103353] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2514.107995]  ? __kmalloc_node+0x47/0x70
[ 2514.108014]  __list_lru_init+0x4d6/0x840
[ 2514.108033]  ? list_lru_destroy+0x500/0x500
[ 2514.138717]  ? prealloc_shrinker+0x213/0x480
[ 2514.143125]  ? __init_waitqueue_head+0x9e/0x150
[ 2514.147787]  ? inactive_list_is_low+0x850/0x850
[ 2514.153466]  ? __lockdep_init_map+0x105/0x590
[ 2514.157953]  alloc_super+0x976/0xb10
[ 2514.161656]  ? destroy_unused_super.part.11+0x110/0x110
[ 2514.167008]  ? lock_downgrade+0x8f0/0x8f0
[ 2514.171152]  ? kasan_check_read+0x11/0x20
[ 2514.175287]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2514.179855]  ? kasan_check_write+0x14/0x20
[ 2514.184075]  ? do_raw_spin_lock+0xc1/0x200
[ 2514.188301]  sget_userns+0x276/0x860
[ 2514.192014]  ? kill_litter_super+0x60/0x60
[ 2514.196237]  ? test_single_super+0x10/0x10
[ 2514.200457]  ? vfs_get_super+0x270/0x270
[ 2514.204506]  ? kasan_check_read+0x11/0x20
[ 2514.208657]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2514.213229]  ? kasan_check_write+0x14/0x20
[ 2514.217446]  ? do_raw_spin_lock+0xc1/0x200
[ 2514.221690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2514.227215]  ? ns_capable_common+0x13f/0x170
[ 2514.231623]  ? kill_litter_super+0x60/0x60
[ 2514.236058]  sget+0x10b/0x150
[ 2514.239153]  ? test_single_super+0x10/0x10
[ 2514.243376]  mount_bdev+0x115/0x3e0
[ 2514.247136]  ? vfat_mount+0x50/0x50
[ 2514.250770]  vfat_mount+0x3c/0x50
[ 2514.254210]  ? setup+0x120/0x120
[ 2514.257563]  legacy_get_tree+0x118/0x440
[ 2514.261631]  vfs_get_tree+0x1cb/0x5c0
[ 2514.265636]  ? vfs_set_fs_source+0x12c/0x180
[ 2514.270048]  do_mount+0x6c1/0x1fb0
[ 2514.273587]  ? check_same_owner+0x340/0x340
[ 2514.277894]  ? lock_release+0xa30/0xa30
[ 2514.281866]  ? copy_mount_string+0x40/0x40
[ 2514.286089]  ? kasan_kmalloc+0xc4/0xe0
[ 2514.289964]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2514.294835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2514.300379]  ? _copy_from_user+0xdf/0x150
[ 2514.304515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2514.310043]  ? copy_mount_options+0x285/0x380
[ 2514.314538]  ksys_mount+0x12d/0x140
[ 2514.318244]  __x64_sys_mount+0xbe/0x150
[ 2514.322229]  do_syscall_64+0x1b9/0x820
[ 2514.326109]  ? finish_task_switch+0x1d3/0x870
[ 2514.330602]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2514.335520]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2514.340436]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2514.345439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2514.350963]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2514.355965]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2514.360623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2514.365471]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2514.370645] RIP: 0033:0x45885a
[ 2514.373817] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2514.393113] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2514.400810] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2514.408073] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2514.415333] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2514.422588] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2514.429846] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000031
08:33:19 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040a0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:19 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xc0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:19 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000a74f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2514.460418] FAT-fs (loop4): bogus number of reserved sectors
[ 2514.466378] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2514.472359] FAT-fs (loop5): bogus number of reserved sectors
[ 2514.478211] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:20 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3f00000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2514.510122] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2514.530064] FAT-fs (loop5): bogus number of reserved sectors
[ 2514.536050] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2514.588644] FAT-fs (loop4): bogus number of reserved sectors
[ 2514.594802] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2514.616860] FAT-fs (loop4): bogus number of reserved sectors
[ 2514.622801] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:20 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000091)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:20 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xc3ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:20 executing program 6 (fault-call:1 fault-nth:50):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:20 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040c0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:20 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x8000000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:20 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02040274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:20 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xfe3f0000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2514.836549] FAULT_INJECTION: forcing a failure.
[ 2514.836549] name failslab, interval 1, probability 0, space 0, times 0
[ 2514.847940] CPU: 0 PID: 31087 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2514.856368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2514.862456] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2514.865736] Call Trace:
[ 2514.865766]  dump_stack+0x1c9/0x2b4
[ 2514.865792]  ? dump_stack_print_info.cold.2+0x52/0x52
08:33:20 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2514.865815]  ? perf_trace_lock+0x49d/0x920
[ 2514.887975]  should_fail.cold.4+0xa/0x11
[ 2514.892105]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2514.897241]  ? is_bpf_text_address+0xd7/0x170
[ 2514.901770]  ? __kernel_text_address+0xd/0x40
[ 2514.906317]  ? unwind_get_return_address+0x61/0xa0
[ 2514.911289]  ? __save_stack_trace+0x8d/0xf0
[ 2514.915679]  ? lock_acquire+0x1e4/0x540
[ 2514.919681]  ? fs_reclaim_acquire+0x20/0x20
[ 2514.924035]  ? lock_downgrade+0x8f0/0x8f0
[ 2514.928242]  ? do_mount+0x6c1/0x1fb0
[ 2514.932000]  ? check_same_owner+0x340/0x340
[ 2514.936353]  ? rcu_note_context_switch+0x730/0x730
[ 2514.941322]  __should_failslab+0x124/0x180
[ 2514.945756]  should_failslab+0x9/0x14
[ 2514.949579]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2514.954064] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2514.954259]  ? kasan_kmalloc+0xc4/0xe0
[ 2514.964675]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2514.969710]  ? kvfree_rcu+0x20/0x20
[ 2514.973357]  ? __kmalloc_node+0x47/0x70
[ 2514.977357]  __list_lru_init+0x4d6/0x840
[ 2514.981466]  ? list_lru_destroy+0x500/0x500
[ 2514.985815]  ? prealloc_shrinker+0x213/0x480
[ 2514.990244]  ? __init_waitqueue_head+0x9e/0x150
[ 2514.994935]  ? inactive_list_is_low+0x850/0x850
[ 2514.999627]  ? __lockdep_init_map+0x105/0x590
[ 2515.004144]  alloc_super+0x976/0xb10
[ 2515.007888]  ? destroy_unused_super.part.11+0x110/0x110
[ 2515.013275]  ? lock_downgrade+0x8f0/0x8f0
[ 2515.017456]  ? kasan_check_read+0x11/0x20
[ 2515.021633]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2515.026237]  ? kasan_check_write+0x14/0x20
[ 2515.030481]  ? do_raw_spin_lock+0xc1/0x200
[ 2515.034738]  sget_userns+0x276/0x860
[ 2515.038460]  ? kill_litter_super+0x60/0x60
[ 2515.042734]  ? test_single_super+0x10/0x10
[ 2515.046984]  ? vfs_get_super+0x270/0x270
[ 2515.051061]  ? kasan_check_read+0x11/0x20
[ 2515.055224]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2515.059823]  ? kasan_check_write+0x14/0x20
[ 2515.064068]  ? do_raw_spin_lock+0xc1/0x200
[ 2515.068355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.073904]  ? ns_capable_common+0x13f/0x170
[ 2515.078331]  ? kill_litter_super+0x60/0x60
[ 2515.082576]  sget+0x10b/0x150
[ 2515.085694]  ? test_single_super+0x10/0x10
[ 2515.089947]  mount_bdev+0x115/0x3e0
[ 2515.093586]  ? vfat_mount+0x50/0x50
[ 2515.097228]  vfat_mount+0x3c/0x50
[ 2515.100717]  ? setup+0x120/0x120
[ 2515.104097]  legacy_get_tree+0x118/0x440
[ 2515.108187]  vfs_get_tree+0x1cb/0x5c0
[ 2515.111995]  ? vfs_set_fs_source+0x12c/0x180
[ 2515.116418]  do_mount+0x6c1/0x1fb0
[ 2515.119967]  ? check_same_owner+0x340/0x340
[ 2515.124297]  ? lock_release+0xa30/0xa30
[ 2515.128289]  ? copy_mount_string+0x40/0x40
[ 2515.132541]  ? retint_kernel+0x10/0x10
[ 2515.136455]  ? copy_mount_options+0x1f0/0x380
[ 2515.141050]  ? copy_mount_options+0x202/0x380
[ 2515.145561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.151112]  ? copy_mount_options+0x285/0x380
[ 2515.155631]  ksys_mount+0x12d/0x140
[ 2515.159278]  __x64_sys_mount+0xbe/0x150
[ 2515.163276]  do_syscall_64+0x1b9/0x820
[ 2515.167189]  ? finish_task_switch+0x1d3/0x870
[ 2515.171702]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2515.176646]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2515.181588]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2515.186619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.192171]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2515.197212]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2515.201894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2515.206762]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2515.211961] RIP: 0033:0x45885a
[ 2515.215157] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2515.234762] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2515.242486] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2515.249779] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2515.257059] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2515.264341] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2515.271619] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000032
[ 2515.288654] FAT-fs (loop4): bogus number of reserved sectors
[ 2515.294623] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2515.300889] FAT-fs (loop5): bogus number of reserved sectors
[ 2515.306811] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2515.313841] FAT-fs (loop2): bogus number of directory entries (516)
[ 2515.320344] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2515.338740] FAT-fs (loop4): bogus number of reserved sectors
[ 2515.344675] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2515.346070] FAT-fs (loop2): bogus number of directory entries (516)
[ 2515.357078] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2515.366405] FAT-fs (loop5): bogus number of reserved sectors
[ 2515.372286] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:20 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r2, 0x84, 0x6c, &(0x7f00000002c0)={<r5=>0x0, 0xbf, "a31114d87ae082188d6f5e80c3696579e862af2a88f14e9c75087339cb7be0612dd294fdf1d2e446b33523eee2f870f77e33cd0aef04e36cf7bd244de868f221f00da9a1149cf1f3a875cb9f492727a43b581f16831ee4bd60dda98d75bff6cc15d1d99625df43be1462f894bd9e5cc09d245bfa5bf0aecccee30cf9ec6f86bd5656d962f25605aa198f577eb05feb8f5f746dc8620facb1646b7571ae3204d6681280d72ea2c69ea2810236b62610385482932764a76bbfb9e4e107adc851"}, &(0x7f0000000140)=0xc7)
setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r3, 0x84, 0x79, &(0x7f0000000240)={r5, 0x5, 0x4}, 0x8)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:20 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8100}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:20 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e6661740004040f0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:20 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:20 executing program 6 (fault-call:1 fault-nth:51):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:20 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa06}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:20 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02230274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2515.440546] FAULT_INJECTION: forcing a failure.
[ 2515.440546] name failslab, interval 1, probability 0, space 0, times 0
[ 2515.451897] CPU: 0 PID: 31116 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2515.460322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2515.469697] Call Trace:
[ 2515.471370] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2515.472308]  dump_stack+0x1c9/0x2b4
[ 2515.472335]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2515.472362]  ? perf_trace_lock+0x49d/0x920
[ 2515.491928]  should_fail.cold.4+0xa/0x11
[ 2515.496030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2515.501176]  ? save_stack+0xa9/0xd0
[ 2515.504825]  ? save_stack+0x43/0xd0
[ 2515.508491]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2515.513362]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2515.518589]  ? __list_lru_init+0x4d6/0x840
[ 2515.522854]  ? alloc_super+0x976/0xb10
[ 2515.526769]  ? sget+0x10b/0x150
[ 2515.530061]  ? mount_bdev+0x115/0x3e0
[ 2515.533874]  ? legacy_get_tree+0x118/0x440
[ 2515.538124]  ? vfs_get_tree+0x1cb/0x5c0
[ 2515.542113]  ? do_mount+0x6c1/0x1fb0
[ 2515.545841]  ? ksys_mount+0x12d/0x140
[ 2515.549655]  ? __x64_sys_mount+0xbe/0x150
[ 2515.553811]  ? do_syscall_64+0x1b9/0x820
[ 2515.557887]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2515.563285]  ? lock_acquire+0x1e4/0x540
[ 2515.567281]  ? fs_reclaim_acquire+0x20/0x20
[ 2515.571643]  ? lock_downgrade+0x8f0/0x8f0
[ 2515.575802]  ? do_mount+0x6c1/0x1fb0
[ 2515.579537]  ? check_same_owner+0x340/0x340
[ 2515.583874]  ? rcu_note_context_switch+0x730/0x730
[ 2515.588819]  __should_failslab+0x124/0x180
[ 2515.593070]  should_failslab+0x9/0x14
[ 2515.596882]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2515.601561]  ? kasan_kmalloc+0xc4/0xe0
[ 2515.605477]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2515.610509]  ? kvfree_rcu+0x20/0x20
[ 2515.614153]  ? __kmalloc_node+0x47/0x70
[ 2515.618152]  __list_lru_init+0x4d6/0x840
[ 2515.622229]  ? list_lru_destroy+0x500/0x500
[ 2515.626571]  ? prealloc_shrinker+0x213/0x480
[ 2515.630987]  ? __init_waitqueue_head+0x9e/0x150
[ 2515.635665]  ? inactive_list_is_low+0x850/0x850
[ 2515.640377]  ? __lockdep_init_map+0x105/0x590
[ 2515.644894]  alloc_super+0x976/0xb10
[ 2515.648630]  ? destroy_unused_super.part.11+0x110/0x110
[ 2515.654009]  ? lock_downgrade+0x8f0/0x8f0
[ 2515.658179]  ? kasan_check_read+0x11/0x20
[ 2515.662345]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2515.666949]  ? kasan_check_write+0x14/0x20
[ 2515.671220]  ? do_raw_spin_lock+0xc1/0x200
[ 2515.675485]  sget_userns+0x276/0x860
[ 2515.679209]  ? kill_litter_super+0x60/0x60
[ 2515.683461]  ? test_single_super+0x10/0x10
[ 2515.687708]  ? vfs_get_super+0x270/0x270
[ 2515.691781]  ? kasan_check_read+0x11/0x20
[ 2515.695946]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2515.700543]  ? kasan_check_write+0x14/0x20
[ 2515.704796]  ? do_raw_spin_lock+0xc1/0x200
[ 2515.709100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.714656]  ? ns_capable_common+0x13f/0x170
[ 2515.719086]  ? kill_litter_super+0x60/0x60
[ 2515.723336]  sget+0x10b/0x150
[ 2515.726453]  ? test_single_super+0x10/0x10
[ 2515.730705]  mount_bdev+0x115/0x3e0
[ 2515.734340]  ? vfat_mount+0x50/0x50
[ 2515.737984]  vfat_mount+0x3c/0x50
[ 2515.741446]  ? setup+0x120/0x120
[ 2515.744828]  legacy_get_tree+0x118/0x440
[ 2515.748909]  vfs_get_tree+0x1cb/0x5c0
[ 2515.752806]  ? vfs_set_fs_source+0x12c/0x180
[ 2515.757230]  do_mount+0x6c1/0x1fb0
[ 2515.760781]  ? check_same_owner+0x340/0x340
[ 2515.765114]  ? lock_release+0xa30/0xa30
[ 2515.769112]  ? copy_mount_string+0x40/0x40
[ 2515.773368]  ? kasan_kmalloc+0xc4/0xe0
[ 2515.777284]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2515.782149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2515.787702]  ? _copy_from_user+0xdf/0x150
[ 2515.791871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.797419]  ? copy_mount_options+0x285/0x380
[ 2515.801931]  ksys_mount+0x12d/0x140
[ 2515.805575]  __x64_sys_mount+0xbe/0x150
[ 2515.809584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2515.815150]  do_syscall_64+0x1b9/0x820
[ 2515.819071]  ? syscall_slow_exit_work+0x500/0x500
[ 2515.823937]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2515.828896]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2515.833861]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2515.838893]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2515.843579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2515.848448]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2515.853643] RIP: 0033:0x45885a
[ 2515.856837] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2515.876428] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2515.884169] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
08:33:21 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000112)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:21 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2515.891448] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2515.898725] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2515.906016] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2515.913378] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000033
[ 2515.938751] FAT-fs (loop5): bogus number of reserved sectors
[ 2515.944753] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2515.951059] FAT-fs (loop4): bogus number of reserved sectors
[ 2515.953660] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2515.956978] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2515.957676] FAT-fs (loop2): bogus number of directory entries (547)
[ 2515.976462] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:21 executing program 6 (fault-call:1 fault-nth:52):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:21 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404140a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:21 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x734f000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2516.002405] FAT-fs (loop2): bogus number of directory entries (547)
[ 2516.008265] FAT-fs (loop5): bogus number of reserved sectors
[ 2516.008995] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2516.014740] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2516.028338] FAT-fs (loop4): bogus number of reserved sectors
[ 2516.034221] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2516.086255] FAULT_INJECTION: forcing a failure.
[ 2516.086255] name failslab, interval 1, probability 0, space 0, times 0
[ 2516.098005] CPU: 0 PID: 31149 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2516.101146] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2516.106448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2516.106457] Call Trace:
[ 2516.106487]  dump_stack+0x1c9/0x2b4
[ 2516.106510]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2516.131136] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2516.133791]  ? perf_trace_lock+0x49d/0x920
[ 2516.133826]  should_fail.cold.4+0xa/0x11
[ 2516.148626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2516.153763]  ? save_stack+0xa9/0xd0
[ 2516.157413]  ? save_stack+0x43/0xd0
[ 2516.161101]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2516.165980]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2516.171191]  ? __list_lru_init+0x4d6/0x840
[ 2516.175445]  ? alloc_super+0x976/0xb10
[ 2516.179347]  ? sget+0x10b/0x150
[ 2516.182636]  ? mount_bdev+0x115/0x3e0
[ 2516.186452]  ? legacy_get_tree+0x118/0x440
[ 2516.190694]  ? vfs_get_tree+0x1cb/0x5c0
[ 2516.194676]  ? do_mount+0x6c1/0x1fb0
[ 2516.198412]  ? ksys_mount+0x12d/0x140
[ 2516.202221]  ? __x64_sys_mount+0xbe/0x150
[ 2516.206376]  ? do_syscall_64+0x1b9/0x820
[ 2516.210442]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2516.215835]  ? lock_acquire+0x1e4/0x540
[ 2516.219820]  ? fs_reclaim_acquire+0x20/0x20
[ 2516.224152]  ? lock_downgrade+0x8f0/0x8f0
[ 2516.228309]  ? do_mount+0x6c1/0x1fb0
[ 2516.232046]  ? check_same_owner+0x340/0x340
[ 2516.236385]  ? rcu_note_context_switch+0x730/0x730
[ 2516.241334]  __should_failslab+0x124/0x180
[ 2516.245585]  should_failslab+0x9/0x14
[ 2516.249396]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2516.254070]  ? kasan_kmalloc+0xc4/0xe0
[ 2516.257986]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2516.263017]  ? kvfree_rcu+0x20/0x20
[ 2516.266652]  ? __kmalloc_node+0x47/0x70
[ 2516.270645]  __list_lru_init+0x4d6/0x840
[ 2516.274720]  ? list_lru_destroy+0x500/0x500
[ 2516.279060]  ? prealloc_shrinker+0x213/0x480
[ 2516.283499]  ? __init_waitqueue_head+0x9e/0x150
[ 2516.288178]  ? inactive_list_is_low+0x850/0x850
[ 2516.292879]  ? __lockdep_init_map+0x105/0x590
[ 2516.297393]  alloc_super+0x976/0xb10
[ 2516.301127]  ? destroy_unused_super.part.11+0x110/0x110
[ 2516.306506]  ? lock_downgrade+0x8f0/0x8f0
[ 2516.310762]  ? kasan_check_read+0x11/0x20
[ 2516.314921]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2516.320279]  ? kasan_check_write+0x14/0x20
[ 2516.324549]  ? do_raw_spin_lock+0xc1/0x200
[ 2516.328821]  sget_userns+0x276/0x860
[ 2516.332547]  ? kill_litter_super+0x60/0x60
[ 2516.336797]  ? test_single_super+0x10/0x10
[ 2516.341040]  ? vfs_get_super+0x270/0x270
[ 2516.345135]  ? kasan_check_read+0x11/0x20
[ 2516.349308]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2516.353911]  ? kasan_check_write+0x14/0x20
[ 2516.358154]  ? do_raw_spin_lock+0xc1/0x200
[ 2516.362467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2516.368030]  ? ns_capable_common+0x13f/0x170
[ 2516.372470]  ? kill_litter_super+0x60/0x60
[ 2516.376717]  sget+0x10b/0x150
[ 2516.379833]  ? test_single_super+0x10/0x10
[ 2516.384085]  mount_bdev+0x115/0x3e0
[ 2516.387723]  ? vfat_mount+0x50/0x50
[ 2516.391376]  vfat_mount+0x3c/0x50
[ 2516.394836]  ? setup+0x120/0x120
[ 2516.398214]  legacy_get_tree+0x118/0x440
[ 2516.402519]  vfs_get_tree+0x1cb/0x5c0
[ 2516.406326]  ? vfs_set_fs_source+0x12c/0x180
[ 2516.410765]  do_mount+0x6c1/0x1fb0
[ 2516.414331]  ? kasan_check_write+0x14/0x20
[ 2516.418605]  ? copy_mount_string+0x40/0x40
[ 2516.422852]  ? retint_kernel+0x10/0x10
[ 2516.426761]  ? copy_mount_options+0x1a1/0x380
[ 2516.431267]  ? __sanitizer_cov_trace_pc+0x48/0x50
[ 2516.436123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2516.441690]  ? copy_mount_options+0x285/0x380
[ 2516.446565]  ksys_mount+0x12d/0x140
[ 2516.450211]  __x64_sys_mount+0xbe/0x150
[ 2516.454203]  do_syscall_64+0x1b9/0x820
[ 2516.458894]  ? finish_task_switch+0x1d3/0x870
[ 2516.463415]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2516.468360]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2516.473302]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2516.478330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2516.483878]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2516.488910]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2516.493589]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2516.498478]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2516.503677] RIP: 0033:0x45885a
[ 2516.506867] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2516.526463] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
08:33:22 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02001f74f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:22 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:22 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xd0a000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:22 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x200000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2516.534187] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2516.541463] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2516.548739] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2516.556012] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2516.563291] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000034
[ 2516.636967] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2516.659142] FAT-fs (loop4): bogus number of reserved sectors
[ 2516.665085] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2516.674597] FAT-fs (loop5): bogus number of reserved sectors
[ 2516.680576] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2516.714085] FAT-fs (loop5): bogus number of reserved sectors
[ 2516.719998] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2516.727595] FAT-fs (loop4): bogus number of reserved sectors
[ 2516.733481] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:22 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000140)=[@in6={0xa, 0x4e24, 0xd71, @mcast1={0xff, 0x1, [], 0x1}, 0x7fff}], 0x1c)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:22 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404be0a02000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:22 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0200be74f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:22 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xc3ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:22 executing program 6 (fault-call:1 fault-nth:53):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:22 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x100000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:22 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xa704000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:22 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000105)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:22 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a01000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2517.028845] FAT-fs (loop5): bogus number of reserved sectors
[ 2517.034834] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2517.051417] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2517.081244] FAT-fs (loop5): bogus number of reserved sectors
[ 2517.087284] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2517.113856] FAT-fs (loop4): bogus number of reserved sectors
[ 2517.119820] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2517.142673] FAULT_INJECTION: forcing a failure.
[ 2517.142673] name failslab, interval 1, probability 0, space 0, times 0
[ 2517.154152] CPU: 0 PID: 31199 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2517.162588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2517.171968] Call Trace:
[ 2517.174588]  dump_stack+0x1c9/0x2b4
[ 2517.178251]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2517.183475]  ? perf_trace_lock+0x49d/0x920
[ 2517.187756]  should_fail.cold.4+0xa/0x11
[ 2517.191855]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2517.197023]  ? save_stack+0xa9/0xd0
[ 2517.200680]  ? save_stack+0x43/0xd0
[ 2517.204330]  ? kasan_kmalloc+0xc4/0xe0
[ 2517.208239]  ? __kmalloc+0x14e/0x760
[ 2517.211979]  ? __list_lru_init+0x151/0x840
[ 2517.216250]  ? alloc_super+0x9a6/0xb10
[ 2517.220165]  ? sget+0x10b/0x150
[ 2517.223649]  ? mount_bdev+0x115/0x3e0
[ 2517.227476]  ? vfat_mount+0x3c/0x50
[ 2517.231124]  ? legacy_get_tree+0x118/0x440
[ 2517.235393]  ? vfs_get_tree+0x1cb/0x5c0
[ 2517.239389]  ? do_mount+0x6c1/0x1fb0
[ 2517.243141]  ? lock_acquire+0x1e4/0x540
[ 2517.247138]  ? fs_reclaim_acquire+0x20/0x20
[ 2517.251475]  ? lock_downgrade+0x8f0/0x8f0
[ 2517.255649]  ? check_same_owner+0x340/0x340
[ 2517.260012]  ? rcu_note_context_switch+0x730/0x730
[ 2517.264966]  __should_failslab+0x124/0x180
[ 2517.269220]  should_failslab+0x9/0x14
[ 2517.273031]  kmem_cache_alloc_node_trace+0x26f/0x770
[ 2517.278148]  ? kasan_kmalloc+0xc4/0xe0
[ 2517.282066]  __kmalloc_node+0x33/0x70
[ 2517.285885]  kvmalloc_node+0x65/0xf0
[ 2517.289610]  __list_lru_init+0x5d9/0x840
[ 2517.293688]  ? list_lru_destroy+0x500/0x500
[ 2517.298042]  ? prealloc_shrinker+0x213/0x480
[ 2517.302461]  ? __init_waitqueue_head+0x9e/0x150
[ 2517.307145]  ? inactive_list_is_low+0x850/0x850
[ 2517.312177]  ? __lockdep_init_map+0x105/0x590
[ 2517.316688]  alloc_super+0x9a6/0xb10
[ 2517.320504]  ? destroy_unused_super.part.11+0x110/0x110
[ 2517.325879]  ? lock_downgrade+0x8f0/0x8f0
[ 2517.330048]  ? kasan_check_read+0x11/0x20
[ 2517.334205]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2517.338797]  ? kasan_check_write+0x14/0x20
[ 2517.343037]  ? do_raw_spin_lock+0xc1/0x200
[ 2517.347292]  sget_userns+0x276/0x860
[ 2517.351013]  ? kill_litter_super+0x60/0x60
[ 2517.355258]  ? test_single_super+0x10/0x10
[ 2517.359498]  ? vfs_get_super+0x270/0x270
[ 2517.363567]  ? kasan_check_read+0x11/0x20
[ 2517.367726]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2517.372321]  ? kasan_check_write+0x14/0x20
[ 2517.376562]  ? do_raw_spin_lock+0xc1/0x200
[ 2517.380843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2517.386390]  ? ns_capable_common+0x13f/0x170
[ 2517.390830]  ? kill_litter_super+0x60/0x60
[ 2517.395074]  sget+0x10b/0x150
[ 2517.398188]  ? test_single_super+0x10/0x10
[ 2517.402436]  mount_bdev+0x115/0x3e0
[ 2517.406073]  ? vfat_mount+0x50/0x50
[ 2517.409802]  vfat_mount+0x3c/0x50
[ 2517.413265]  ? setup+0x120/0x120
[ 2517.416643]  legacy_get_tree+0x118/0x440
[ 2517.420719]  vfs_get_tree+0x1cb/0x5c0
[ 2517.424525]  ? vfs_set_fs_source+0x12c/0x180
[ 2517.428945]  do_mount+0x6c1/0x1fb0
[ 2517.432500]  ? kasan_check_read+0x11/0x20
[ 2517.436657]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2517.441084]  ? copy_mount_string+0x40/0x40
[ 2517.445330]  ? kasan_kmalloc+0xc4/0xe0
[ 2517.449237]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2517.454108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2517.459656]  ? copy_mount_options+0x285/0x380
[ 2517.464169]  ksys_mount+0x12d/0x140
[ 2517.467827]  __x64_sys_mount+0xbe/0x150
[ 2517.471836]  do_syscall_64+0x1b9/0x820
[ 2517.475743]  ? syscall_slow_exit_work+0x500/0x500
[ 2517.480600]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2517.485541]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2517.490486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2517.496120]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2517.501148]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2517.505830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2517.510690]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2517.515887] RIP: 0033:0x45885a
[ 2517.519077] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:23 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a026c0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2517.538682] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2517.546409] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2517.553690] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2517.561055] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2517.568335] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2517.575613] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000035
08:33:23 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffff7f00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:23 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0a000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:23 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x500000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2517.604655] FAT-fs (loop4): bogus number of reserved sectors
[ 2517.610739] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:23 executing program 6 (fault-call:1 fault-nth:54):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:23 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xe0000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:23 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0e000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2517.681631] FAT-fs (loop5): bogus number of reserved sectors
[ 2517.687586] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2517.690080] FAT-fs (loop2): bogus number of directory entries (620)
[ 2517.700252] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2517.710584] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2517.749855] FAT-fs (loop4): bogus number of reserved sectors
[ 2517.751469] FAT-fs (loop5): bogus number of reserved sectors
[ 2517.755881] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2517.761680] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2517.766594] FAULT_INJECTION: forcing a failure.
[ 2517.766594] name failslab, interval 1, probability 0, space 0, times 0
[ 2517.784915] CPU: 1 PID: 31222 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2517.790418] FAT-fs (loop2): bogus number of directory entries (620)
[ 2517.793321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2517.793329] Call Trace:
[ 2517.793353]  dump_stack+0x1c9/0x2b4
[ 2517.793373]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2517.793394]  ? perf_trace_lock+0xde/0x920
[ 2517.793416]  should_fail.cold.4+0xa/0x11
[ 2517.793432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2517.793455]  ? save_stack+0xa9/0xd0
[ 2517.793472]  ? save_stack+0x43/0xd0
[ 2517.793486]  ? kasan_kmalloc+0xc4/0xe0
[ 2517.793502]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2517.793519]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2517.793530]  ? __list_lru_init+0x4d6/0x840
[ 2517.793548]  ? alloc_super+0x976/0xb10
[ 2517.799982] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2517.809337]  ? sget+0x10b/0x150
[ 2517.809354]  ? mount_bdev+0x115/0x3e0
[ 2517.809369]  ? legacy_get_tree+0x118/0x440
[ 2517.809389]  ? vfs_get_tree+0x1cb/0x5c0
[ 2517.884446]  ? do_mount+0x6c1/0x1fb0
[ 2517.888162]  ? ksys_mount+0x12d/0x140
[ 2517.891964]  ? __x64_sys_mount+0xbe/0x150
[ 2517.896119]  ? do_syscall_64+0x1b9/0x820
[ 2517.900187]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2517.905570]  ? lock_acquire+0x1e4/0x540
[ 2517.909551]  ? fs_reclaim_acquire+0x20/0x20
[ 2517.913879]  ? lock_downgrade+0x8f0/0x8f0
[ 2517.918031]  ? do_mount+0x6c1/0x1fb0
[ 2517.921756]  ? check_same_owner+0x340/0x340
[ 2517.926079]  ? rcu_note_context_switch+0x730/0x730
[ 2517.931017]  __should_failslab+0x124/0x180
[ 2517.935345]  should_failslab+0x9/0x14
[ 2517.939170]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2517.943869]  ? kasan_kmalloc+0xc4/0xe0
[ 2517.947770]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2517.952790]  ? kvfree_rcu+0x20/0x20
[ 2517.956431]  ? __kmalloc_node+0x47/0x70
[ 2517.960418]  __list_lru_init+0x4d6/0x840
[ 2517.964497]  ? list_lru_destroy+0x500/0x500
[ 2517.968827]  ? prealloc_shrinker+0x213/0x480
[ 2517.973249]  ? __init_waitqueue_head+0x9e/0x150
[ 2517.977931]  ? inactive_list_is_low+0x850/0x850
[ 2517.982611]  ? __lockdep_init_map+0x105/0x590
[ 2517.987121]  alloc_super+0x976/0xb10
[ 2517.990849]  ? destroy_unused_super.part.11+0x110/0x110
[ 2517.996223]  ? lock_downgrade+0x8f0/0x8f0
08:33:23 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
fcntl$getown(r0, 0x9)
fcntl$getownex(r0, 0x10, &(0x7f0000000140))
gettid()
r1 = gettid()
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:23 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:23 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a07000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:23 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000036)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2518.000386]  ? kasan_check_read+0x11/0x20
[ 2518.004536]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2518.009120]  ? kasan_check_write+0x14/0x20
[ 2518.013362]  ? do_raw_spin_lock+0xc1/0x200
[ 2518.017607]  sget_userns+0x276/0x860
[ 2518.021327]  ? kill_litter_super+0x60/0x60
[ 2518.025565]  ? test_single_super+0x10/0x10
[ 2518.029805]  ? vfs_get_super+0x270/0x270
[ 2518.033876]  ? kasan_check_read+0x11/0x20
[ 2518.038061]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2518.042668]  ? kasan_check_write+0x14/0x20
[ 2518.046913]  ? do_raw_spin_lock+0xc1/0x200
[ 2518.051175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.056744]  ? ns_capable_common+0x13f/0x170
[ 2518.061163]  ? kill_litter_super+0x60/0x60
[ 2518.065456]  sget+0x10b/0x150
[ 2518.068569]  ? test_single_super+0x10/0x10
[ 2518.070901] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2518.072823]  mount_bdev+0x115/0x3e0
[ 2518.072840]  ? vfat_mount+0x50/0x50
[ 2518.072856]  vfat_mount+0x3c/0x50
[ 2518.072869]  ? setup+0x120/0x120
[ 2518.072886]  legacy_get_tree+0x118/0x440
[ 2518.097496]  vfs_get_tree+0x1cb/0x5c0
[ 2518.101304]  ? vfs_set_fs_source+0x12c/0x180
[ 2518.105722]  do_mount+0x6c1/0x1fb0
[ 2518.109266]  ? kasan_check_write+0x14/0x20
[ 2518.113513]  ? copy_mount_string+0x40/0x40
[ 2518.117759]  ? kasan_kmalloc+0xc4/0xe0
[ 2518.121658]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2518.126520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2518.132078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.137628]  ? copy_mount_options+0x285/0x380
[ 2518.142134]  ksys_mount+0x12d/0x140
[ 2518.145766]  __x64_sys_mount+0xbe/0x150
08:33:23 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf0ffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2518.149753]  do_syscall_64+0x1b9/0x820
[ 2518.154563]  ? finish_task_switch+0x1d3/0x870
[ 2518.159066]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2518.164007]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2518.168950]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2518.173978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.179531]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2518.184563]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2518.189247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2518.194103]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2518.198208] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2518.199293] RIP: 0033:0x45885a
[ 2518.199298] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2518.228223] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2518.235947] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2518.243235] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
08:33:23 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xfeffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2518.250510] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2518.257787] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2518.265087] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000036
[ 2518.292486] FAT-fs (loop4): bogus number of reserved sectors
08:33:23 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02480274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:23 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x20400}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:23 executing program 6 (fault-call:1 fault-nth:55):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2518.298409] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:23 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xab040000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:23 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a06000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2518.348289] FAT-fs (loop2): bogus number of directory entries (584)
[ 2518.354864] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2518.370169] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2518.407986] FAT-fs (loop2): bogus number of directory entries (584)
[ 2518.414580] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2518.423981] FAT-fs (loop4): bogus number of reserved sectors
[ 2518.430067] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2518.441401] FAT-fs (loop5): bogus number of reserved sectors
[ 2518.447324] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:23 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02030274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:23 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0c000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2518.463641] FAT-fs (loop4): bogus number of reserved sectors
[ 2518.469623] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2518.493766] FAULT_INJECTION: forcing a failure.
[ 2518.493766] name failslab, interval 1, probability 0, space 0, times 0
[ 2518.505462] CPU: 0 PID: 31272 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2518.513902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2518.523275] Call Trace:
[ 2518.525902]  dump_stack+0x1c9/0x2b4
[ 2518.529569]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2518.534797]  ? perf_trace_lock+0x49d/0x920
[ 2518.539059]  should_fail.cold.4+0xa/0x11
[ 2518.543138]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2518.548260]  ? save_stack+0xa9/0xd0
[ 2518.551903]  ? save_stack+0x43/0xd0
[ 2518.555539]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2518.560398]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2518.565598]  ? __list_lru_init+0x4d6/0x840
[ 2518.569840]  ? alloc_super+0x976/0xb10
[ 2518.573743]  ? sget+0x10b/0x150
[ 2518.577030]  ? mount_bdev+0x115/0x3e0
[ 2518.580839]  ? legacy_get_tree+0x118/0x440
[ 2518.585084]  ? vfs_get_tree+0x1cb/0x5c0
[ 2518.589154]  ? do_mount+0x6c1/0x1fb0
[ 2518.592881]  ? ksys_mount+0x12d/0x140
[ 2518.596687]  ? __x64_sys_mount+0xbe/0x150
[ 2518.600852]  ? do_syscall_64+0x1b9/0x820
[ 2518.604944]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2518.610334]  ? lock_acquire+0x1e4/0x540
[ 2518.614316]  ? fs_reclaim_acquire+0x20/0x20
[ 2518.618676]  ? lock_downgrade+0x8f0/0x8f0
[ 2518.622836]  ? lock_downgrade+0x8f0/0x8f0
[ 2518.627009]  ? check_same_owner+0x340/0x340
[ 2518.631340]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2518.635773]  ? rcu_note_context_switch+0x730/0x730
[ 2518.641087]  __should_failslab+0x124/0x180
[ 2518.645347]  should_failslab+0x9/0x14
[ 2518.649163]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2518.653843]  ? kasan_kmalloc+0xc4/0xe0
[ 2518.657762]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2518.662790]  ? kvfree_rcu+0x20/0x20
[ 2518.666430]  ? __kmalloc_node+0x47/0x70
[ 2518.670423]  __list_lru_init+0x4d6/0x840
[ 2518.674502]  ? list_lru_destroy+0x500/0x500
[ 2518.678844]  ? prealloc_shrinker+0x213/0x480
[ 2518.683263]  ? __init_waitqueue_head+0x9e/0x150
[ 2518.687941]  ? inactive_list_is_low+0x850/0x850
[ 2518.692626]  ? __lockdep_init_map+0x105/0x590
[ 2518.697140]  alloc_super+0x976/0xb10
[ 2518.700902]  ? destroy_unused_super.part.11+0x110/0x110
[ 2518.706281]  ? lock_downgrade+0x8f0/0x8f0
[ 2518.710448]  ? kasan_check_read+0x11/0x20
[ 2518.714610]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2518.719207]  ? kasan_check_write+0x14/0x20
[ 2518.723450]  ? do_raw_spin_lock+0xc1/0x200
[ 2518.727705]  sget_userns+0x276/0x860
[ 2518.731425]  ? kill_litter_super+0x60/0x60
[ 2518.735677]  ? test_single_super+0x10/0x10
[ 2518.740018]  ? vfs_get_super+0x270/0x270
[ 2518.744091]  ? kasan_check_read+0x11/0x20
[ 2518.748250]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2518.752848]  ? kasan_check_write+0x14/0x20
[ 2518.757099]  ? do_raw_spin_lock+0xc1/0x200
[ 2518.761391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.766937]  ? ns_capable_common+0x13f/0x170
[ 2518.771374]  ? kill_litter_super+0x60/0x60
[ 2518.775635]  sget+0x10b/0x150
[ 2518.778749]  ? test_single_super+0x10/0x10
[ 2518.783038]  mount_bdev+0x115/0x3e0
[ 2518.786677]  ? vfat_mount+0x50/0x50
[ 2518.790320]  vfat_mount+0x3c/0x50
[ 2518.793784]  ? setup+0x120/0x120
[ 2518.797164]  legacy_get_tree+0x118/0x440
[ 2518.801245]  vfs_get_tree+0x1cb/0x5c0
[ 2518.805328]  ? vfs_set_fs_source+0x12c/0x180
[ 2518.809750]  do_mount+0x6c1/0x1fb0
[ 2518.813312]  ? copy_mount_string+0x40/0x40
[ 2518.817555]  ? retint_kernel+0x10/0x10
[ 2518.821461]  ? copy_mount_options+0x1e3/0x380
[ 2518.825970]  ? write_comp_data+0x1/0x70
[ 2518.829959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.835505]  ? copy_mount_options+0x285/0x380
[ 2518.840031]  ksys_mount+0x12d/0x140
[ 2518.843694]  __x64_sys_mount+0xbe/0x150
[ 2518.847713]  do_syscall_64+0x1b9/0x820
[ 2518.851619]  ? finish_task_switch+0x1d3/0x870
[ 2518.856127]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2518.861069]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2518.866026]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2518.871053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2518.876601]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2518.881641]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2518.886359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2518.891228]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2518.896426] RIP: 0033:0x45885a
08:33:23 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x74000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:24 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffffff00000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2518.899622] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2518.919230] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2518.926956] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2518.934230] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2518.941506] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2518.948781] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2518.956056] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000037
[ 2518.983629] FAT-fs (loop4): bogus number of reserved sectors
[ 2518.989557] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2519.004328] FAT-fs (loop5): bogus number of reserved sectors
[ 2519.010575] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2519.024469] FAT-fs (loop2): bogus number of directory entries (515)
08:33:24 executing program 6 (fault-call:1 fault-nth:56):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2519.031033] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2519.058152] FAT-fs (loop4): bogus number of reserved sectors
[ 2519.064368] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2519.074068] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2519.120760] FAT-fs (loop2): bogus number of directory entries (515)
[ 2519.127520] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2519.140755] FAULT_INJECTION: forcing a failure.
[ 2519.140755] name failslab, interval 1, probability 0, space 0, times 0
[ 2519.152129] CPU: 0 PID: 31295 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2519.160568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2519.169928] Call Trace:
[ 2519.172528]  dump_stack+0x1c9/0x2b4
[ 2519.176167]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2519.181716]  ? perf_trace_lock+0x49d/0x920
[ 2519.185973]  should_fail.cold.4+0xa/0x11
[ 2519.190048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2519.195182]  ? save_stack+0xa9/0xd0
[ 2519.198824]  ? save_stack+0x43/0xd0
[ 2519.202457]  ? kasan_kmalloc+0xc4/0xe0
[ 2519.206354]  ? __kmalloc+0x14e/0x760
[ 2519.210073]  ? __list_lru_init+0x151/0x840
[ 2519.214312]  ? alloc_super+0x9a6/0xb10
[ 2519.218214]  ? sget+0x10b/0x150
[ 2519.221497]  ? mount_bdev+0x115/0x3e0
[ 2519.225305]  ? vfat_mount+0x3c/0x50
[ 2519.228941]  ? legacy_get_tree+0x118/0x440
[ 2519.233185]  ? vfs_get_tree+0x1cb/0x5c0
[ 2519.237255]  ? do_mount+0x6c1/0x1fb0
[ 2519.240998]  ? lock_acquire+0x1e4/0x540
[ 2519.244989]  ? fs_reclaim_acquire+0x20/0x20
[ 2519.249322]  ? lock_downgrade+0x8f0/0x8f0
[ 2519.253493]  ? check_same_owner+0x340/0x340
[ 2519.257835]  ? rcu_note_context_switch+0x730/0x730
[ 2519.262787]  __should_failslab+0x124/0x180
[ 2519.267045]  should_failslab+0x9/0x14
[ 2519.270879]  kmem_cache_alloc_node_trace+0x26f/0x770
[ 2519.276005]  ? kasan_kmalloc+0xc4/0xe0
[ 2519.279920]  __kmalloc_node+0x33/0x70
[ 2519.283737]  kvmalloc_node+0x65/0xf0
[ 2519.287464]  __list_lru_init+0x5d9/0x840
[ 2519.291546]  ? list_lru_destroy+0x500/0x500
[ 2519.295888]  ? prealloc_shrinker+0x213/0x480
[ 2519.300308]  ? __init_waitqueue_head+0x9e/0x150
[ 2519.304989]  ? inactive_list_is_low+0x850/0x850
[ 2519.309672]  ? __lockdep_init_map+0x105/0x590
[ 2519.314181]  alloc_super+0x9a6/0xb10
[ 2519.317914]  ? destroy_unused_super.part.11+0x110/0x110
[ 2519.323465]  ? lock_downgrade+0x8f0/0x8f0
[ 2519.327631]  ? kasan_check_read+0x11/0x20
[ 2519.331792]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2519.336391]  ? kasan_check_write+0x14/0x20
[ 2519.340654]  ? do_raw_spin_lock+0xc1/0x200
[ 2519.344911]  sget_userns+0x276/0x860
[ 2519.348647]  ? kill_litter_super+0x60/0x60
[ 2519.352907]  ? test_single_super+0x10/0x10
[ 2519.357152]  ? vfs_get_super+0x270/0x270
[ 2519.361221]  ? kasan_check_read+0x11/0x20
[ 2519.365380]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2519.369978]  ? kasan_check_write+0x14/0x20
[ 2519.374220]  ? do_raw_spin_lock+0xc1/0x200
[ 2519.378501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2519.384068]  ? ns_capable_common+0x13f/0x170
[ 2519.388491]  ? kill_litter_super+0x60/0x60
[ 2519.392753]  sget+0x10b/0x150
[ 2519.395870]  ? test_single_super+0x10/0x10
[ 2519.400139]  mount_bdev+0x115/0x3e0
[ 2519.403775]  ? vfat_mount+0x50/0x50
[ 2519.407433]  vfat_mount+0x3c/0x50
[ 2519.410896]  ? setup+0x120/0x120
[ 2519.414271]  legacy_get_tree+0x118/0x440
[ 2519.418351]  vfs_get_tree+0x1cb/0x5c0
[ 2519.422157]  ? vfs_set_fs_source+0x12c/0x180
[ 2519.426582]  do_mount+0x6c1/0x1fb0
[ 2519.430131]  ? check_same_owner+0x340/0x340
[ 2519.434462]  ? lock_release+0xa30/0xa30
[ 2519.438805]  ? copy_mount_string+0x40/0x40
[ 2519.443060]  ? retint_kernel+0x10/0x10
[ 2519.446967]  ? copy_mount_options+0x1f0/0x380
[ 2519.451469]  ? copy_mount_options+0x1fa/0x380
[ 2519.455975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2519.461520]  ? copy_mount_options+0x285/0x380
[ 2519.466035]  ksys_mount+0x12d/0x140
[ 2519.469677]  __x64_sys_mount+0xbe/0x150
[ 2519.473659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2519.479208]  do_syscall_64+0x1b9/0x820
[ 2519.483106]  ? syscall_slow_exit_work+0x500/0x500
[ 2519.487959]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2519.492902]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2519.497846]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2519.502869]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2519.507549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2519.512414]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2519.517611] RIP: 0033:0x45885a
[ 2519.520809] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2519.540392] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2519.548126] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2519.555401] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2519.562678] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
08:33:25 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
mount$9p_tcp(&(0x7f0000000700)='127.0.0.1\x00', &(0x7f0000000740)='./file0/file0\x00', &(0x7f0000000780)='9p\x00', 0x200000, &(0x7f00000007c0)={'trans=tcp,', {'port', 0x3d, 0x4e24}, 0x2c, {[{@loose='loose', 0x2c}, {@privport='privport', 0x2c}, {@version_u='version=9p2000.u', 0x2c}]}})
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r2, 0x84, 0x74, &(0x7f0000004300)=""/4096, &(0x7f0000000640)=0x1000)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(r3, 0x80dc5521, &(0x7f0000001300)=""/4096)
getsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000680), &(0x7f00000006c0)=0x4)
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
process_vm_readv(r1, &(0x7f0000000380)=[{&(0x7f0000000140)=""/28, 0x1c}, {&(0x7f0000002300)=""/4096, 0x1000}, {&(0x7f0000000240)=""/37, 0x25}, {&(0x7f00000002c0)=""/151, 0x97}, {&(0x7f0000000500)=""/246, 0xf6}], 0x5, &(0x7f0000000600)=[{&(0x7f0000000440)=""/46, 0x2e}, {&(0x7f0000000480)=""/10, 0xa}, {&(0x7f0000003300)=""/4096, 0x1000}], 0x3, 0x0)
ioctl$ASHMEM_SET_SIZE(r3, 0x40087703, 0x4)

08:33:25 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x8cffffff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:25 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000049)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:25 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0f000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:25 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x4800}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:25 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x400000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2519.569954] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2519.577228] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000038
08:33:25 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a027a0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2519.630635] FAT-fs (loop5): bogus number of reserved sectors
[ 2519.636579] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2519.645612] FAT-fs (loop4): bogus number of reserved sectors
[ 2519.651701] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2519.675340] FAT-fs (loop5): bogus number of reserved sectors
08:33:25 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a10000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2519.681238] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2519.693661] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2519.708868] FAT-fs (loop4): bogus number of reserved sectors
[ 2519.715072] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2519.721683] FAT-fs (loop2): bogus number of directory entries (634)
08:33:25 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x20000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:25 executing program 6 (fault-call:1 fault-nth:57):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2519.728218] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2519.746744] FAULT_INJECTION: forcing a failure.
[ 2519.746744] name failslab, interval 1, probability 0, space 0, times 0
[ 2519.758160] CPU: 0 PID: 31324 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2519.766578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2519.775940] Call Trace:
[ 2519.778537]  dump_stack+0x1c9/0x2b4
[ 2519.782159]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2519.787345]  ? perf_trace_lock+0x49d/0x920
[ 2519.791614]  should_fail.cold.4+0xa/0x11
[ 2519.795676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2519.800784]  ? save_stack+0xa9/0xd0
[ 2519.804404]  ? save_stack+0x43/0xd0
[ 2519.808039]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2519.812875]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2519.818056]  ? __list_lru_init+0x4d6/0x840
[ 2519.822282]  ? alloc_super+0x976/0xb10
[ 2519.826160]  ? sget+0x10b/0x150
[ 2519.829428]  ? mount_bdev+0x115/0x3e0
[ 2519.833223]  ? legacy_get_tree+0x118/0x440
[ 2519.837453]  ? vfs_get_tree+0x1cb/0x5c0
[ 2519.841427]  ? do_mount+0x6c1/0x1fb0
[ 2519.845144]  ? ksys_mount+0x12d/0x140
[ 2519.848939]  ? __x64_sys_mount+0xbe/0x150
[ 2519.853081]  ? do_syscall_64+0x1b9/0x820
[ 2519.857138]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2519.862529]  ? lock_acquire+0x1e4/0x540
[ 2519.866588]  ? fs_reclaim_acquire+0x20/0x20
[ 2519.870902]  ? lock_downgrade+0x8f0/0x8f0
[ 2519.875044]  ? do_mount+0x6c1/0x1fb0
[ 2519.878782]  ? check_same_owner+0x340/0x340
[ 2519.883121]  ? rcu_note_context_switch+0x730/0x730
[ 2519.888051]  __should_failslab+0x124/0x180
[ 2519.892280]  should_failslab+0x9/0x14
[ 2519.896071]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2519.900730]  ? kasan_kmalloc+0xc4/0xe0
[ 2519.904633]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2519.909654]  ? kvfree_rcu+0x20/0x20
[ 2519.913273]  ? __kmalloc_node+0x47/0x70
[ 2519.917259]  __list_lru_init+0x4d6/0x840
[ 2519.921318]  ? list_lru_destroy+0x500/0x500
[ 2519.925652]  ? prealloc_shrinker+0x213/0x480
[ 2519.930051]  ? __init_waitqueue_head+0x9e/0x150
[ 2519.934716]  ? inactive_list_is_low+0x850/0x850
[ 2519.939378]  ? __lockdep_init_map+0x105/0x590
[ 2519.943869]  alloc_super+0x976/0xb10
[ 2519.947581]  ? destroy_unused_super.part.11+0x110/0x110
[ 2519.952940]  ? lock_downgrade+0x8f0/0x8f0
[ 2519.957087]  ? kasan_check_read+0x11/0x20
[ 2519.961238]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2519.965826]  ? kasan_check_write+0x14/0x20
[ 2519.970053]  ? do_raw_spin_lock+0xc1/0x200
[ 2519.974285]  sget_userns+0x276/0x860
[ 2519.977986]  ? kill_litter_super+0x60/0x60
[ 2519.982220]  ? test_single_super+0x10/0x10
[ 2519.986456]  ? vfs_get_super+0x270/0x270
[ 2519.990519]  ? kasan_check_read+0x11/0x20
[ 2519.994662]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2519.999250]  ? kasan_check_write+0x14/0x20
[ 2520.003478]  ? do_raw_spin_lock+0xc1/0x200
[ 2520.008167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.013697]  ? ns_capable_common+0x13f/0x170
[ 2520.018100]  ? kill_litter_super+0x60/0x60
[ 2520.022327]  sget+0x10b/0x150
[ 2520.025422]  ? test_single_super+0x10/0x10
[ 2520.029653]  mount_bdev+0x115/0x3e0
[ 2520.033273]  ? vfat_mount+0x50/0x50
[ 2520.036896]  vfat_mount+0x3c/0x50
[ 2520.040341]  ? setup+0x120/0x120
[ 2520.043711]  legacy_get_tree+0x118/0x440
[ 2520.047804]  vfs_get_tree+0x1cb/0x5c0
[ 2520.051620]  ? vfs_set_fs_source+0x12c/0x180
[ 2520.056038]  do_mount+0x6c1/0x1fb0
[ 2520.059576]  ? copy_mount_string+0x40/0x40
[ 2520.063823]  ? retint_kernel+0x10/0x10
[ 2520.067710]  ? copy_mount_options+0x213/0x380
[ 2520.072199]  ? write_comp_data+0x22/0x70
[ 2520.076255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.081797]  ? copy_mount_options+0x285/0x380
[ 2520.086288]  ksys_mount+0x12d/0x140
[ 2520.089912]  __x64_sys_mount+0xbe/0x150
[ 2520.093880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.099431]  do_syscall_64+0x1b9/0x820
[ 2520.103328]  ? syscall_slow_exit_work+0x500/0x500
[ 2520.108169]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2520.113097]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2520.118029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.123573]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2520.128582]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2520.133244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2520.138088]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2520.143268] RIP: 0033:0x45885a
[ 2520.146441] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2520.165846] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2520.173563] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
08:33:25 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x3fff}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2520.180822] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2520.188081] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2520.195339] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2520.202598] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000039
08:33:25 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:25 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010302000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2520.230736] FAT-fs (loop2): bogus number of directory entries (634)
[ 2520.237340] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2520.237908] FAT-fs (loop5): bogus number of reserved sectors
[ 2520.249147] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2520.266864] FAT-fs (loop4): bogus number of reserved sectors
[ 2520.272776] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:25 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02090274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:25 executing program 6 (fault-call:1 fault-nth:58):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2520.297695] FAT-fs (loop5): bogus number of reserved sectors
[ 2520.303616] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2520.321369] FAT-fs (loop4): bogus number of reserved sectors
[ 2520.327314] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2520.329339] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:25 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4a5}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2520.360940] FAT-fs (loop2): bogus number of directory entries (521)
[ 2520.367476] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2520.383666] FAULT_INJECTION: forcing a failure.
[ 2520.383666] name failslab, interval 1, probability 0, space 0, times 0
[ 2520.395147] CPU: 1 PID: 31347 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2520.403570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2520.412930] Call Trace:
[ 2520.415573]  dump_stack+0x1c9/0x2b4
[ 2520.419218]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2520.424430]  ? perf_trace_lock+0xde/0x920
[ 2520.428605]  should_fail.cold.4+0xa/0x11
[ 2520.432686]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2520.437808]  ? save_stack+0xa9/0xd0
[ 2520.441444]  ? save_stack+0x43/0xd0
[ 2520.445077]  ? kasan_kmalloc+0xc4/0xe0
[ 2520.448968]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2520.453828]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2520.459022]  ? __list_lru_init+0x4d6/0x840
[ 2520.463264]  ? alloc_super+0x976/0xb10
[ 2520.467156]  ? sget+0x10b/0x150
[ 2520.470442]  ? mount_bdev+0x115/0x3e0
[ 2520.474259]  ? legacy_get_tree+0x118/0x440
[ 2520.478508]  ? vfs_get_tree+0x1cb/0x5c0
[ 2520.482496]  ? do_mount+0x6c1/0x1fb0
[ 2520.486221]  ? ksys_mount+0x12d/0x140
[ 2520.490127]  ? __x64_sys_mount+0xbe/0x150
[ 2520.494289]  ? do_syscall_64+0x1b9/0x820
[ 2520.498364]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2520.503756]  ? lock_acquire+0x1e4/0x540
[ 2520.507740]  ? fs_reclaim_acquire+0x20/0x20
[ 2520.512116]  ? lock_downgrade+0x8f0/0x8f0
[ 2520.516270]  ? do_mount+0x6c1/0x1fb0
[ 2520.519992]  ? check_same_owner+0x340/0x340
[ 2520.524321]  ? rcu_note_context_switch+0x730/0x730
[ 2520.529258]  __should_failslab+0x124/0x180
[ 2520.533507]  should_failslab+0x9/0x14
[ 2520.537328]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2520.542015]  ? kasan_kmalloc+0xc4/0xe0
[ 2520.545927]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2520.550969]  ? kvfree_rcu+0x20/0x20
[ 2520.554615]  ? __kmalloc_node+0x47/0x70
[ 2520.558606]  __list_lru_init+0x4d6/0x840
[ 2520.562675]  ? list_lru_destroy+0x500/0x500
[ 2520.567008]  ? prealloc_shrinker+0x213/0x480
[ 2520.571425]  ? __init_waitqueue_head+0x9e/0x150
[ 2520.576106]  ? inactive_list_is_low+0x850/0x850
[ 2520.580796]  ? __lockdep_init_map+0x105/0x590
[ 2520.585307]  alloc_super+0x976/0xb10
[ 2520.589035]  ? destroy_unused_super.part.11+0x110/0x110
[ 2520.594412]  ? lock_downgrade+0x8f0/0x8f0
[ 2520.598572]  ? kasan_check_read+0x11/0x20
[ 2520.602730]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2520.607324]  ? kasan_check_write+0x14/0x20
[ 2520.611566]  ? do_raw_spin_lock+0xc1/0x200
[ 2520.615809]  sget_userns+0x276/0x860
[ 2520.619526]  ? kill_litter_super+0x60/0x60
[ 2520.623769]  ? test_single_super+0x10/0x10
[ 2520.628012]  ? vfs_get_super+0x270/0x270
[ 2520.632093]  ? kasan_check_read+0x11/0x20
[ 2520.636250]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2520.640837]  ? kasan_check_write+0x14/0x20
[ 2520.645080]  ? do_raw_spin_lock+0xc1/0x200
[ 2520.649339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.654882]  ? ns_capable_common+0x13f/0x170
08:33:26 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:26 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010202000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:26 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000059)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:26 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7a}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:26 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x734f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2520.659296]  ? kill_litter_super+0x60/0x60
[ 2520.663538]  sget+0x10b/0x150
[ 2520.666654]  ? test_single_super+0x10/0x10
[ 2520.670898]  mount_bdev+0x115/0x3e0
[ 2520.674536]  ? vfat_mount+0x50/0x50
[ 2520.678164]  vfat_mount+0x3c/0x50
[ 2520.681638]  ? setup+0x120/0x120
[ 2520.685017]  legacy_get_tree+0x118/0x440
[ 2520.689097]  vfs_get_tree+0x1cb/0x5c0
[ 2520.692906]  ? vfs_set_fs_source+0x12c/0x180
[ 2520.697326]  do_mount+0x6c1/0x1fb0
[ 2520.700880]  ? kasan_check_write+0x14/0x20
[ 2520.705130]  ? copy_mount_string+0x40/0x40
[ 2520.709381]  ? kasan_kmalloc+0xc4/0xe0
[ 2520.713285]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2520.718149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2520.723708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.729253]  ? copy_mount_options+0x285/0x380
[ 2520.733758]  ksys_mount+0x12d/0x140
[ 2520.737390]  __x64_sys_mount+0xbe/0x150
[ 2520.741371]  do_syscall_64+0x1b9/0x820
[ 2520.745261]  ? syscall_slow_exit_work+0x500/0x500
[ 2520.750119]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2520.755053]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2520.759996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2520.765542]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2520.770561]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2520.775251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2520.780132]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2520.785341] RIP: 0033:0x45885a
[ 2520.788536] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2520.807868] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2520.815591] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2520.822876] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2520.830158] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2520.837448] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2520.844732] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003a
[ 2520.857656] FAT-fs (loop4): bogus number of reserved sectors
[ 2520.863758] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2520.865467] FAT-fs (loop5): bogus number of reserved sectors
[ 2520.875702] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:26 executing program 6 (fault-call:1 fault-nth:59):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

[ 2520.909201] FAT-fs (loop5): bogus number of reserved sectors
[ 2520.915094] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2520.921706] FAT-fs (loop2): bogus number of directory entries (521)
[ 2520.928247] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2520.928536] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2520.953499] FAT-fs (loop4): bogus number of reserved sectors
08:33:26 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010802000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2520.959542] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2520.987327] FAULT_INJECTION: forcing a failure.
[ 2520.987327] name failslab, interval 1, probability 0, space 0, times 0
[ 2520.998770] CPU: 0 PID: 31380 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2521.007204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2521.016586] Call Trace:
[ 2521.019210]  dump_stack+0x1c9/0x2b4
[ 2521.022883]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2521.028090]  ? perf_trace_lock+0x49d/0x920
[ 2521.032378]  should_fail.cold.4+0xa/0x11
[ 2521.036484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2521.041612]  ? save_stack+0xa9/0xd0
[ 2521.045253]  ? save_stack+0x43/0xd0
[ 2521.048892]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2521.053747]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2521.058964]  ? __list_lru_init+0x4d6/0x840
[ 2521.063213]  ? alloc_super+0x976/0xb10
[ 2521.067115]  ? sget+0x10b/0x150
[ 2521.070406]  ? mount_bdev+0x115/0x3e0
[ 2521.074216]  ? legacy_get_tree+0x118/0x440
[ 2521.078456]  ? vfs_get_tree+0x1cb/0x5c0
[ 2521.082442]  ? do_mount+0x6c1/0x1fb0
[ 2521.086164]  ? ksys_mount+0x12d/0x140
[ 2521.089979]  ? __x64_sys_mount+0xbe/0x150
[ 2521.094140]  ? do_syscall_64+0x1b9/0x820
[ 2521.098214]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2521.103613]  ? lock_acquire+0x1e4/0x540
[ 2521.107605]  ? fs_reclaim_acquire+0x20/0x20
[ 2521.111937]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.116092]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.120266]  ? check_same_owner+0x340/0x340
[ 2521.124600]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2521.129053]  ? rcu_note_context_switch+0x730/0x730
[ 2521.134007]  __should_failslab+0x124/0x180
[ 2521.138461]  should_failslab+0x9/0x14
[ 2521.142296]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2521.147149]  ? kasan_kmalloc+0xc4/0xe0
[ 2521.151062]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2521.156102]  ? kvfree_rcu+0x20/0x20
[ 2521.159743]  ? __kmalloc_node+0x47/0x70
[ 2521.163961]  __list_lru_init+0x4d6/0x840
[ 2521.168035]  ? list_lru_destroy+0x500/0x500
[ 2521.172378]  ? prealloc_shrinker+0x213/0x480
[ 2521.176792]  ? __init_waitqueue_head+0x9e/0x150
[ 2521.181472]  ? inactive_list_is_low+0x850/0x850
[ 2521.186157]  ? __lockdep_init_map+0x105/0x590
[ 2521.190673]  alloc_super+0x976/0xb10
[ 2521.194403]  ? destroy_unused_super.part.11+0x110/0x110
[ 2521.199774]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.203943]  ? kasan_check_read+0x11/0x20
[ 2521.208103]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2521.212699]  ? kasan_check_write+0x14/0x20
[ 2521.216942]  ? do_raw_spin_lock+0xc1/0x200
[ 2521.221193]  sget_userns+0x276/0x860
[ 2521.224920]  ? kill_litter_super+0x60/0x60
[ 2521.229164]  ? test_single_super+0x10/0x10
[ 2521.233409]  ? vfs_get_super+0x270/0x270
[ 2521.237475]  ? kasan_check_read+0x11/0x20
[ 2521.241638]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2521.246233]  ? kasan_check_write+0x14/0x20
[ 2521.250473]  ? do_raw_spin_lock+0xc1/0x200
[ 2521.254775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.260325]  ? ns_capable_common+0x13f/0x170
[ 2521.264748]  ? kill_litter_super+0x60/0x60
[ 2521.268993]  sget+0x10b/0x150
[ 2521.272108]  ? test_single_super+0x10/0x10
[ 2521.276355]  mount_bdev+0x115/0x3e0
[ 2521.279992]  ? vfat_mount+0x50/0x50
[ 2521.283641]  vfat_mount+0x3c/0x50
[ 2521.287099]  ? setup+0x120/0x120
[ 2521.290479]  legacy_get_tree+0x118/0x440
[ 2521.294557]  vfs_get_tree+0x1cb/0x5c0
[ 2521.298364]  ? vfs_set_fs_source+0x12c/0x180
[ 2521.302785]  do_mount+0x6c1/0x1fb0
[ 2521.306336]  ? kasan_check_write+0x14/0x20
[ 2521.310586]  ? copy_mount_string+0x40/0x40
[ 2521.315989]  ? retint_kernel+0x10/0x10
[ 2521.319911]  ? copy_mount_options+0x1a1/0x380
[ 2521.324417]  ? __sanitizer_cov_trace_pc+0x3f/0x50
[ 2521.329290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.335185]  ? copy_mount_options+0x285/0x380
[ 2521.339708]  ksys_mount+0x12d/0x140
[ 2521.343361]  __x64_sys_mount+0xbe/0x150
[ 2521.347365]  do_syscall_64+0x1b9/0x820
[ 2521.351262]  ? syscall_slow_exit_work+0x500/0x500
[ 2521.356117]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2521.361061]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2521.366004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.371562]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2521.376587]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2521.381273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2521.386137]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2521.391334] RIP: 0033:0x45885a
[ 2521.394697] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2521.414306] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2521.422029] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2521.429318] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2521.443017] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2521.450293] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
08:33:26 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x9effffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:26 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xff3f000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:26 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a020a0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:26 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x4020000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2521.457573] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003b
08:33:26 executing program 6 (fault-call:1 fault-nth:60):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:26 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404011402000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2521.510979] FAT-fs (loop5): bogus number of reserved sectors
[ 2521.516942] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2521.525982] FAT-fs (loop2): bogus number of directory entries (522)
[ 2521.532547] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2521.542650] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2521.570778] FAT-fs (loop5): bogus number of reserved sectors
[ 2521.576972] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2521.586357] FAULT_INJECTION: forcing a failure.
[ 2521.586357] name failslab, interval 1, probability 0, space 0, times 0
[ 2521.597817] CPU: 0 PID: 31398 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2521.606249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2521.615627] Call Trace:
[ 2521.618243]  dump_stack+0x1c9/0x2b4
[ 2521.621906]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2521.627135]  ? perf_trace_lock+0x49d/0x920
[ 2521.631411]  should_fail.cold.4+0xa/0x11
[ 2521.635500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2521.640628]  ? do_mount+0x6c1/0x1fb0
[ 2521.644358]  ? ksys_mount+0x12d/0x140
[ 2521.648176]  ? __x64_sys_mount+0xbe/0x150
[ 2521.652349]  ? zap_class+0x740/0x740
[ 2521.656082]  ? __list_lru_init+0x409/0x840
[ 2521.660454]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.664654]  ? lock_acquire+0x1e4/0x540
[ 2521.668655]  ? fs_reclaim_acquire+0x20/0x20
[ 2521.673031]  ? lock_acquire+0x1e4/0x540
[ 2521.677022]  ? fs_reclaim_acquire+0x20/0x20
[ 2521.681362]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.685526]  ? check_same_owner+0x340/0x340
[ 2521.689872]  ? check_same_owner+0x340/0x340
[ 2521.694211]  ? rcu_note_context_switch+0x730/0x730
[ 2521.699178]  __should_failslab+0x124/0x180
[ 2521.703452]  should_failslab+0x9/0x14
[ 2521.707272]  __kmalloc+0x2c8/0x760
[ 2521.710826]  ? kvfree_rcu+0x20/0x20
[ 2521.714501]  ? __list_lru_init+0x151/0x840
[ 2521.718755]  __list_lru_init+0x151/0x840
[ 2521.722838]  ? list_lru_destroy+0x500/0x500
[ 2521.727184]  ? prealloc_shrinker+0x213/0x480
[ 2521.731610]  ? __init_waitqueue_head+0x9e/0x150
[ 2521.736320]  ? inactive_list_is_low+0x850/0x850
[ 2521.741007]  ? __lockdep_init_map+0x105/0x590
[ 2521.745540]  alloc_super+0x9a6/0xb10
[ 2521.749290]  ? destroy_unused_super.part.11+0x110/0x110
[ 2521.754682]  ? lock_downgrade+0x8f0/0x8f0
[ 2521.758862]  ? kasan_check_read+0x11/0x20
[ 2521.763024]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2521.767640]  ? kasan_check_write+0x14/0x20
[ 2521.771885]  ? do_raw_spin_lock+0xc1/0x200
[ 2521.776143]  sget_userns+0x276/0x860
[ 2521.779955]  ? kill_litter_super+0x60/0x60
[ 2521.784206]  ? test_single_super+0x10/0x10
[ 2521.788455]  ? vfs_get_super+0x270/0x270
[ 2521.792526]  ? kasan_check_read+0x11/0x20
[ 2521.796690]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2521.801286]  ? kasan_check_write+0x14/0x20
[ 2521.805563]  ? do_raw_spin_lock+0xc1/0x200
[ 2521.809878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.815451]  ? ns_capable_common+0x13f/0x170
[ 2521.819889]  ? kill_litter_super+0x60/0x60
[ 2521.826236]  sget+0x10b/0x150
[ 2521.829364]  ? test_single_super+0x10/0x10
[ 2521.833624]  mount_bdev+0x115/0x3e0
[ 2521.837273]  ? vfat_mount+0x50/0x50
[ 2521.840918]  vfat_mount+0x3c/0x50
[ 2521.844385]  ? setup+0x120/0x120
[ 2521.847763]  legacy_get_tree+0x118/0x440
[ 2521.851841]  vfs_get_tree+0x1cb/0x5c0
[ 2521.855652]  ? vfs_set_fs_source+0x12c/0x180
[ 2521.860076]  do_mount+0x6c1/0x1fb0
[ 2521.863633]  ? kasan_check_write+0x14/0x20
[ 2521.867886]  ? copy_mount_string+0x40/0x40
[ 2521.872137]  ? retint_kernel+0x10/0x10
[ 2521.876048]  ? copy_mount_options+0x1a1/0x380
[ 2521.880560]  ? __sanitizer_cov_trace_pc+0x48/0x50
[ 2521.885424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.890976]  ? copy_mount_options+0x285/0x380
[ 2521.895490]  ksys_mount+0x12d/0x140
[ 2521.899133]  __x64_sys_mount+0xbe/0x150
[ 2521.903125]  do_syscall_64+0x1b9/0x820
[ 2521.907026]  ? syscall_slow_exit_work+0x500/0x500
[ 2521.911884]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2521.916844]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2521.921806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2521.927361]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2521.932394]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2521.937080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2521.941950]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2521.947147] RIP: 0033:0x45885a
[ 2521.950339] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:27 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010602000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:27 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000002a)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2521.969930] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2521.977656] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2521.984933] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2521.992212] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2521.999487] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2522.006765] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003c
08:33:27 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2522.038224] FAT-fs (loop4): bogus number of reserved sectors
[ 2522.044159] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2522.055597] FAT-fs (loop2): bogus number of directory entries (522)
[ 2522.062186] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2522.097399] FAT-fs (loop4): bogus number of reserved sectors
[ 2522.103327] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2522.124604] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:27 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
getsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140), 0x10)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:27 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xe00000000000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:27 executing program 6 (fault-call:1 fault-nth:61):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:27 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a04000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:27 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02004074f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:27 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xfffffffe}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:27 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7a00000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2522.273726] FAULT_INJECTION: forcing a failure.
[ 2522.273726] name failslab, interval 1, probability 0, space 0, times 0
[ 2522.285095] CPU: 0 PID: 31423 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2522.293517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2522.294760] FAT-fs (loop4): bogus number of reserved sectors
[ 2522.302885] Call Trace:
[ 2522.302918]  dump_stack+0x1c9/0x2b4
[ 2522.302942]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2522.302965]  ? perf_trace_lock+0x49d/0x920
[ 2522.302999]  should_fail.cold.4+0xa/0x11
[ 2522.308856] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2522.311407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2522.311439]  ? save_stack+0xa9/0xd0
[ 2522.344377]  ? save_stack+0x43/0xd0
[ 2522.347999]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2522.352848]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2522.358032]  ? __list_lru_init+0x4d6/0x840
[ 2522.362269]  ? alloc_super+0x9a6/0xb10
[ 2522.366150]  ? sget+0x10b/0x150
[ 2522.369421]  ? mount_bdev+0x115/0x3e0
[ 2522.373232]  ? legacy_get_tree+0x118/0x440
[ 2522.377468]  ? vfs_get_tree+0x1cb/0x5c0
[ 2522.381445]  ? do_mount+0x6c1/0x1fb0
[ 2522.385158]  ? ksys_mount+0x12d/0x140
[ 2522.388948]  ? __x64_sys_mount+0xbe/0x150
[ 2522.393089]  ? do_syscall_64+0x1b9/0x820
[ 2522.397144]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2522.402604]  ? lock_acquire+0x1e4/0x540
[ 2522.406571]  ? fs_reclaim_acquire+0x20/0x20
[ 2522.410895]  ? lock_downgrade+0x8f0/0x8f0
[ 2522.415036]  ? do_mount+0x6c1/0x1fb0
[ 2522.419030]  ? check_same_owner+0x340/0x340
[ 2522.423347]  ? rcu_note_context_switch+0x730/0x730
[ 2522.428277]  __should_failslab+0x124/0x180
[ 2522.432518]  should_failslab+0x9/0x14
[ 2522.436318]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2522.440989]  ? kasan_kmalloc+0xc4/0xe0
[ 2522.444896]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2522.449907]  ? kvfree_rcu+0x20/0x20
[ 2522.453529]  ? __kmalloc_node+0x47/0x70
[ 2522.457502]  __list_lru_init+0x4d6/0x840
[ 2522.461561]  ? list_lru_destroy+0x500/0x500
[ 2522.465879]  ? prealloc_shrinker+0x213/0x480
[ 2522.470289]  ? __init_waitqueue_head+0x9e/0x150
[ 2522.474948]  ? inactive_list_is_low+0x850/0x850
[ 2522.479634]  ? __lockdep_init_map+0x105/0x590
[ 2522.484136]  alloc_super+0x9a6/0xb10
[ 2522.487847]  ? destroy_unused_super.part.11+0x110/0x110
[ 2522.493216]  ? lock_downgrade+0x8f0/0x8f0
[ 2522.497363]  ? kasan_check_read+0x11/0x20
[ 2522.501518]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2522.506102]  ? kasan_check_write+0x14/0x20
[ 2522.510328]  ? do_raw_spin_lock+0xc1/0x200
[ 2522.514572]  sget_userns+0x276/0x860
[ 2522.518275]  ? kill_litter_super+0x60/0x60
[ 2522.522515]  ? test_single_super+0x10/0x10
[ 2522.526758]  ? vfs_get_super+0x270/0x270
[ 2522.530807]  ? kasan_check_read+0x11/0x20
[ 2522.534946]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2522.539548]  ? kasan_check_write+0x14/0x20
[ 2522.543783]  ? do_raw_spin_lock+0xc1/0x200
[ 2522.548042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2522.553582]  ? ns_capable_common+0x13f/0x170
[ 2522.557985]  ? kill_litter_super+0x60/0x60
[ 2522.562227]  sget+0x10b/0x150
[ 2522.565328]  ? test_single_super+0x10/0x10
[ 2522.569573]  mount_bdev+0x115/0x3e0
[ 2522.573203]  ? vfat_mount+0x50/0x50
[ 2522.576836]  vfat_mount+0x3c/0x50
[ 2522.580284]  ? setup+0x120/0x120
[ 2522.583653]  legacy_get_tree+0x118/0x440
[ 2522.587722]  vfs_get_tree+0x1cb/0x5c0
[ 2522.591517]  ? vfs_set_fs_source+0x12c/0x180
[ 2522.595934]  do_mount+0x6c1/0x1fb0
[ 2522.599468]  ? check_same_owner+0x340/0x340
[ 2522.603783]  ? lock_release+0xa30/0xa30
[ 2522.607766]  ? copy_mount_string+0x40/0x40
[ 2522.612001]  ? retint_kernel+0x10/0x10
[ 2522.615893]  ? copy_mount_options+0x213/0x380
[ 2522.620387]  ? __sanitizer_cov_trace_pc+0x14/0x50
[ 2522.625222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2522.630750]  ? copy_mount_options+0x285/0x380
[ 2522.635244]  ksys_mount+0x12d/0x140
[ 2522.638868]  __x64_sys_mount+0xbe/0x150
[ 2522.642850]  do_syscall_64+0x1b9/0x820
[ 2522.646737]  ? finish_task_switch+0x1d3/0x870
[ 2522.651236]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2522.656167]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2522.661089]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2522.666101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2522.671639]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2522.676651]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2522.681328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2522.686183]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2522.691370] RIP: 0033:0x45885a
[ 2522.694552] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2522.713935] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2522.721649] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2522.728921] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2522.736191] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2522.743454] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2522.750713] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003d
[ 2522.759177] FAT-fs (loop5): bogus number of reserved sectors
[ 2522.765124] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:28 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0b000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2522.781812] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2522.801477] FAT-fs (loop4): bogus number of reserved sectors
[ 2522.807438] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:28 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xc5270000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:28 executing program 6 (fault-call:1 fault-nth:62):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:28 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xfffffffffffff000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:28 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a08000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:28 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000076)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2522.906997] FAT-fs (loop4): bogus number of reserved sectors
[ 2522.912937] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2522.929874] FAT-fs (loop5): bogus number of reserved sectors
[ 2522.935798] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2522.940357] FAULT_INJECTION: forcing a failure.
[ 2522.940357] name failslab, interval 1, probability 0, space 0, times 0
08:33:28 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02030674f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2522.953130] CPU: 1 PID: 31455 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2522.961550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2522.970922] Call Trace:
[ 2522.973528]  dump_stack+0x1c9/0x2b4
[ 2522.977185]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2522.982402]  ? perf_trace_lock+0xde/0x920
[ 2522.984435] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2522.986638]  should_fail.cold.4+0xa/0x11
[ 2522.986662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2522.986684]  ? save_stack+0xa9/0xd0
[ 2522.986703]  ? save_stack+0x43/0xd0
[ 2522.986719]  ? kasan_kmalloc+0xc4/0xe0
[ 2522.986735]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2522.986750]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2522.986761]  ? __list_lru_init+0x4d6/0x840
[ 2522.986773]  ? alloc_super+0x9a6/0xb10
[ 2522.986785]  ? sget+0x10b/0x150
[ 2522.986796]  ? mount_bdev+0x115/0x3e0
[ 2522.986809]  ? legacy_get_tree+0x118/0x440
[ 2522.986822]  ? vfs_get_tree+0x1cb/0x5c0
[ 2522.986835]  ? do_mount+0x6c1/0x1fb0
[ 2522.986849]  ? ksys_mount+0x12d/0x140
[ 2522.986861]  ? __x64_sys_mount+0xbe/0x150
[ 2522.986876]  ? do_syscall_64+0x1b9/0x820
[ 2522.986892]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2522.986913]  ? lock_acquire+0x1e4/0x540
[ 2522.986927]  ? fs_reclaim_acquire+0x20/0x20
[ 2522.986939]  ? lock_downgrade+0x8f0/0x8f0
[ 2522.986951]  ? do_mount+0x6c1/0x1fb0
[ 2522.986969]  ? check_same_owner+0x340/0x340
[ 2522.986997]  ? rcu_note_context_switch+0x730/0x730
[ 2522.987017]  __should_failslab+0x124/0x180
[ 2522.987036]  should_failslab+0x9/0x14
[ 2522.987048]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2522.987061]  ? kasan_kmalloc+0xc4/0xe0
[ 2522.987080]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2522.987093]  ? kvfree_rcu+0x20/0x20
[ 2522.987106]  ? __kmalloc_node+0x47/0x70
[ 2522.987123]  __list_lru_init+0x4d6/0x840
[ 2522.987136]  ? list_lru_destroy+0x500/0x500
[ 2522.987154]  ? prealloc_shrinker+0x213/0x480
[ 2522.987166]  ? __init_waitqueue_head+0x9e/0x150
[ 2522.987181]  ? inactive_list_is_low+0x850/0x850
[ 2522.987197]  ? __lockdep_init_map+0x105/0x590
[ 2522.987211]  alloc_super+0x9a6/0xb10
[ 2522.987229]  ? destroy_unused_super.part.11+0x110/0x110
[ 2522.987241]  ? lock_downgrade+0x8f0/0x8f0
[ 2522.987258]  ? kasan_check_read+0x11/0x20
[ 2522.987271]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2522.987284]  ? kasan_check_write+0x14/0x20
[ 2522.987300]  ? do_raw_spin_lock+0xc1/0x200
[ 2523.179735]  sget_userns+0x276/0x860
[ 2523.183439]  ? kill_litter_super+0x60/0x60
[ 2523.187675]  ? test_single_super+0x10/0x10
[ 2523.191908]  ? vfs_get_super+0x270/0x270
[ 2523.195957]  ? kasan_check_read+0x11/0x20
[ 2523.200096]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2523.204679]  ? kasan_check_write+0x14/0x20
[ 2523.208900]  ? do_raw_spin_lock+0xc1/0x200
[ 2523.213219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2523.218760]  ? ns_capable_common+0x13f/0x170
[ 2523.223159]  ? kill_litter_super+0x60/0x60
[ 2523.227379]  sget+0x10b/0x150
[ 2523.230472]  ? test_single_super+0x10/0x10
[ 2523.234782]  mount_bdev+0x115/0x3e0
[ 2523.238394]  ? vfat_mount+0x50/0x50
[ 2523.242016]  vfat_mount+0x3c/0x50
[ 2523.245457]  ? setup+0x120/0x120
[ 2523.248821]  legacy_get_tree+0x118/0x440
[ 2523.252873]  vfs_get_tree+0x1cb/0x5c0
[ 2523.256670]  ? vfs_set_fs_source+0x12c/0x180
[ 2523.261069]  do_mount+0x6c1/0x1fb0
[ 2523.264618]  ? check_same_owner+0x340/0x340
[ 2523.268927]  ? lock_release+0xa30/0xa30
[ 2523.273152]  ? copy_mount_string+0x40/0x40
[ 2523.277377]  ? kasan_kmalloc+0xc4/0xe0
[ 2523.281258]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2523.286107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2523.291643]  ? _copy_from_user+0xdf/0x150
[ 2523.295789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2523.301326]  ? copy_mount_options+0x285/0x380
[ 2523.305828]  ksys_mount+0x12d/0x140
[ 2523.309443]  __x64_sys_mount+0xbe/0x150
[ 2523.313409]  do_syscall_64+0x1b9/0x820
[ 2523.317286]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2523.322201]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2523.327120]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2523.332123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2523.337649]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2523.342657]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2523.347315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2523.353807]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2523.358999] RIP: 0033:0x45885a
[ 2523.362192] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2523.381397] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2523.389095] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2523.396360] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2523.403614] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2523.410867] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2523.418133] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003e
08:33:28 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010502000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:28 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xfffffff0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2523.454850] FAT-fs (loop4): bogus number of reserved sectors
[ 2523.460862] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2523.497496] FAT-fs (loop2): bogus number of directory entries (1539)
[ 2523.504093] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2523.528366] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2523.547781] FAT-fs (loop2): bogus number of directory entries (1539)
[ 2523.554488] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:29 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
ioctl$BLKIOOPT(r0, 0x1279, &(0x7f0000000140))
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
ioctl$TUNSETLINK(r2, 0x400454cd, 0x339)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
bpf$OBJ_PIN_PROG(0x6, &(0x7f0000000480)={&(0x7f0000000440)='./file0/file0\x00', r2}, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r2, 0x8933, &(0x7f0000000380)={'vcan0\x00', <r4=>0x0})
setsockopt$inet6_mreq(r0, 0x29, 0x1f, &(0x7f00000003c0)={@dev={0xfe, 0x80, [], 0x14}, r4}, 0x14)
socket$inet_udp(0x2, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
add_key(&(0x7f0000000240)='.request_key_auth\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000300)="cfcf59b96a23d3259514d8d90968629ba60c6fbb9319a23e17aa2d490084ad789e58b26a95562c588858a31d1c700a88d49abaa776295ad1d0cbb6a420ab5c7fe1d8000acbacc53c", 0x48, 0xfffffffffffffffa)

08:33:29 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x2745}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:29 executing program 6 (fault-call:1 fault-nth:63):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:29 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xff0f0000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:29 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:29 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02050274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:29 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404011002000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2523.787678] FAT-fs (loop4): bogus number of reserved sectors
[ 2523.793728] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2523.817560] FAT-fs (loop2): bogus number of directory entries (517)
[ 2523.824083] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2523.841899] FAULT_INJECTION: forcing a failure.
[ 2523.841899] name failslab, interval 1, probability 0, space 0, times 0
[ 2523.853296] CPU: 0 PID: 31492 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2523.861839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2523.871202] Call Trace:
[ 2523.873807]  dump_stack+0x1c9/0x2b4
[ 2523.877479]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2523.879322] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2523.882730]  ? perf_trace_lock+0x49d/0x920
[ 2523.882768]  should_fail.cold.4+0xa/0x11
[ 2523.882794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2523.882821]  ? save_stack+0xa9/0xd0
[ 2523.882840]  ? save_stack+0x43/0xd0
[ 2523.882856]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2523.882870]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2523.882884]  ? __list_lru_init+0x4d6/0x840
[ 2523.882898]  ? alloc_super+0x9a6/0xb10
[ 2523.882919]  ? sget+0x10b/0x150
[ 2523.882933]  ? mount_bdev+0x115/0x3e0
[ 2523.882948]  ? legacy_get_tree+0x118/0x440
[ 2523.882963]  ? vfs_get_tree+0x1cb/0x5c0
[ 2523.882979]  ? do_mount+0x6c1/0x1fb0
[ 2523.882993]  ? ksys_mount+0x12d/0x140
[ 2523.883009]  ? __x64_sys_mount+0xbe/0x150
[ 2523.883026]  ? do_syscall_64+0x1b9/0x820
[ 2523.883043]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2523.883077]  ? lock_acquire+0x1e4/0x540
[ 2523.883095]  ? fs_reclaim_acquire+0x20/0x20
[ 2523.883112]  ? lock_downgrade+0x8f0/0x8f0
[ 2523.883127]  ? do_mount+0x6c1/0x1fb0
[ 2523.883154]  ? check_same_owner+0x340/0x340
[ 2523.883174]  ? rcu_note_context_switch+0x730/0x730
08:33:29 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf0ffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:29 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000064)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:29 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010702000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2523.883196]  __should_failslab+0x124/0x180
[ 2523.994345]  should_failslab+0x9/0x14
[ 2523.998165]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2524.002839]  ? kasan_kmalloc+0xc4/0xe0
[ 2524.006753]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2524.011793]  ? kvfree_rcu+0x20/0x20
[ 2524.015451]  ? __kmalloc_node+0x47/0x70
[ 2524.019493]  __list_lru_init+0x4d6/0x840
[ 2524.023582]  ? list_lru_destroy+0x500/0x500
[ 2524.027938]  ? prealloc_shrinker+0x213/0x480
[ 2524.032370]  ? __init_waitqueue_head+0x9e/0x150
[ 2524.037062]  ? inactive_list_is_low+0x850/0x850
[ 2524.041762]  ? __lockdep_init_map+0x105/0x590
[ 2524.043564] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2524.046280]  alloc_super+0x9a6/0xb10
[ 2524.046308]  ? destroy_unused_super.part.11+0x110/0x110
[ 2524.046330]  ? lock_downgrade+0x8f0/0x8f0
[ 2524.046361]  ? kasan_check_read+0x11/0x20
[ 2524.046381]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2524.046405]  ? kasan_check_write+0x14/0x20
[ 2524.046419]  ? do_raw_spin_lock+0xc1/0x200
[ 2524.046441]  sget_userns+0x276/0x860
[ 2524.046456]  ? kill_litter_super+0x60/0x60
08:33:29 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x3000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2524.046475]  ? test_single_super+0x10/0x10
[ 2524.046494]  ? vfs_get_super+0x270/0x270
[ 2524.100391]  ? kasan_check_read+0x11/0x20
[ 2524.104560]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2524.109165]  ? kasan_check_write+0x14/0x20
[ 2524.113424]  ? do_raw_spin_lock+0xc1/0x200
[ 2524.117727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.123292]  ? ns_capable_common+0x13f/0x170
[ 2524.127723]  ? kill_litter_super+0x60/0x60
[ 2524.131983]  sget+0x10b/0x150
[ 2524.135112]  ? test_single_super+0x10/0x10
[ 2524.139386]  mount_bdev+0x115/0x3e0
[ 2524.143034]  ? vfat_mount+0x50/0x50
[ 2524.146682]  vfat_mount+0x3c/0x50
[ 2524.150148]  ? setup+0x120/0x120
[ 2524.153534]  legacy_get_tree+0x118/0x440
[ 2524.154617] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2524.157617]  vfs_get_tree+0x1cb/0x5c0
[ 2524.157635]  ? vfs_set_fs_source+0x12c/0x180
[ 2524.157656]  do_mount+0x6c1/0x1fb0
[ 2524.157678]  ? kasan_check_write+0x14/0x20
[ 2524.157698]  ? copy_mount_string+0x40/0x40
[ 2524.157716]  ? kasan_kmalloc+0xc4/0xe0
[ 2524.157737]  ? kmem_cache_alloc_trace+0x318/0x780
08:33:29 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2524.157758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2524.157777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.157791]  ? copy_mount_options+0x285/0x380
[ 2524.157814]  ksys_mount+0x12d/0x140
[ 2524.157836]  __x64_sys_mount+0xbe/0x150
[ 2524.157860]  do_syscall_64+0x1b9/0x820
[ 2524.157876]  ? syscall_slow_exit_work+0x500/0x500
[ 2524.157892]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2524.157911]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2524.157929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.157944]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2524.157961]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2524.157982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2524.158011]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2524.158026] RIP: 0033:0x45885a
[ 2524.158032] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 
[ 2524.263010] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2524.264732] ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2524.265029] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2524.265046] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2524.265057] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2524.265067] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2524.265076] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2524.265089] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000003f
08:33:29 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:29 executing program 6 (fault-call:1 fault-nth:64):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:29 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x6c000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:29 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010902000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2524.345654] FAT-fs (loop5): bogus number of reserved sectors
[ 2524.351569] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2524.382962] FAT-fs (loop2): bogus number of directory entries (517)
[ 2524.389545] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2524.424609] FAT-fs (loop5): bogus number of reserved sectors
[ 2524.430572] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2524.449466] FAT-fs (loop4): bogus number of reserved sectors
[ 2524.455406] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2524.480223] FAULT_INJECTION: forcing a failure.
[ 2524.480223] name failslab, interval 1, probability 0, space 0, times 0
[ 2524.491667] CPU: 1 PID: 31526 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2524.500093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2524.509445] Call Trace:
[ 2524.512039]  dump_stack+0x1c9/0x2b4
[ 2524.515668]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2524.520870]  ? perf_trace_lock+0xde/0x920
[ 2524.525031]  should_fail.cold.4+0xa/0x11
[ 2524.529106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2524.534219]  ? save_stack+0xa9/0xd0
[ 2524.537856]  ? save_stack+0x43/0xd0
[ 2524.541487]  ? kasan_kmalloc+0xc4/0xe0
[ 2524.545378]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2524.550223]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2524.555501]  ? __list_lru_init+0x4d6/0x840
[ 2524.559738]  ? alloc_super+0x9a6/0xb10
[ 2524.563643]  ? sget+0x10b/0x150
[ 2524.566927]  ? mount_bdev+0x115/0x3e0
[ 2524.570729]  ? legacy_get_tree+0x118/0x440
[ 2524.574967]  ? vfs_get_tree+0x1cb/0x5c0
[ 2524.578958]  ? do_mount+0x6c1/0x1fb0
[ 2524.582674]  ? ksys_mount+0x12d/0x140
[ 2524.586473]  ? __x64_sys_mount+0xbe/0x150
[ 2524.590620]  ? do_syscall_64+0x1b9/0x820
[ 2524.594816]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2524.600203]  ? lock_acquire+0x1e4/0x540
[ 2524.604180]  ? fs_reclaim_acquire+0x20/0x20
[ 2524.608509]  ? lock_downgrade+0x8f0/0x8f0
[ 2524.612659]  ? do_mount+0x6c1/0x1fb0
[ 2524.616383]  ? check_same_owner+0x340/0x340
[ 2524.620713]  ? rcu_note_context_switch+0x730/0x730
[ 2524.625663]  __should_failslab+0x124/0x180
[ 2524.629908]  should_failslab+0x9/0x14
[ 2524.633714]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2524.638391]  ? kasan_kmalloc+0xc4/0xe0
[ 2524.642315]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2524.647339]  ? kvfree_rcu+0x20/0x20
[ 2524.651320]  ? __kmalloc_node+0x47/0x70
[ 2524.655311]  __list_lru_init+0x4d6/0x840
[ 2524.659379]  ? list_lru_destroy+0x500/0x500
[ 2524.663718]  ? prealloc_shrinker+0x213/0x480
[ 2524.668131]  ? __init_waitqueue_head+0x9e/0x150
[ 2524.672799]  ? inactive_list_is_low+0x850/0x850
[ 2524.677471]  ? __lockdep_init_map+0x105/0x590
[ 2524.681971]  alloc_super+0x9a6/0xb10
[ 2524.685693]  ? destroy_unused_super.part.11+0x110/0x110
[ 2524.691060]  ? lock_downgrade+0x8f0/0x8f0
[ 2524.695214]  ? kasan_check_read+0x11/0x20
[ 2524.699375]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2524.703962]  ? kasan_check_write+0x14/0x20
[ 2524.708212]  ? do_raw_spin_lock+0xc1/0x200
[ 2524.713321]  sget_userns+0x276/0x860
[ 2524.717250]  ? kill_litter_super+0x60/0x60
[ 2524.721579]  ? test_single_super+0x10/0x10
[ 2524.725847]  ? vfs_get_super+0x270/0x270
[ 2524.729934]  ? kasan_check_read+0x11/0x20
[ 2524.734098]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2524.738721]  ? kasan_check_write+0x14/0x20
[ 2524.742959]  ? do_raw_spin_lock+0xc1/0x200
[ 2524.747226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.752785]  ? ns_capable_common+0x13f/0x170
[ 2524.757200]  ? kill_litter_super+0x60/0x60
[ 2524.761439]  sget+0x10b/0x150
[ 2524.764548]  ? test_single_super+0x10/0x10
[ 2524.768784]  mount_bdev+0x115/0x3e0
[ 2524.772416]  ? vfat_mount+0x50/0x50
[ 2524.776047]  vfat_mount+0x3c/0x50
[ 2524.779502]  ? setup+0x120/0x120
[ 2524.782867]  legacy_get_tree+0x118/0x440
[ 2524.786948]  vfs_get_tree+0x1cb/0x5c0
[ 2524.790751]  ? vfs_set_fs_source+0x12c/0x180
[ 2524.795165]  do_mount+0x6c1/0x1fb0
[ 2524.798710]  ? kasan_check_write+0x14/0x20
[ 2524.802951]  ? copy_mount_string+0x40/0x40
[ 2524.807191]  ? retint_kernel+0x10/0x10
[ 2524.811087]  ? copy_mount_options+0x1f0/0x380
[ 2524.815586]  ? copy_mount_options+0x1f6/0x380
[ 2524.820084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.825623]  ? copy_mount_options+0x285/0x380
[ 2524.830127]  ksys_mount+0x12d/0x140
[ 2524.833759]  __x64_sys_mount+0xbe/0x150
[ 2524.837739]  do_syscall_64+0x1b9/0x820
[ 2524.841627]  ? finish_task_switch+0x1d3/0x870
[ 2524.846128]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2524.851076]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2524.856021]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2524.861046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2524.866593]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2524.871616]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2524.876300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2524.881342]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2524.886531] RIP: 0033:0x45885a
[ 2524.889715] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2524.909054] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2524.916781] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2524.924060] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2524.931331] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2524.938601] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2524.945871] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000040
[ 2524.971548] FAT-fs (loop4): bogus number of reserved sectors
[ 2524.977497] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2524.986544] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:30 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0xfffffffffffffffe, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000240))
userfaultfd(0x800)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/sequencer\x00', 0x20003f, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:30 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a020e0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:30 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x407ff}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:30 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a05000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:30 executing program 6 (fault-call:1 fault-nth:65):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:30 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x93000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:30 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2525.333168] FAULT_INJECTION: forcing a failure.
[ 2525.333168] name failslab, interval 1, probability 0, space 0, times 0
[ 2525.334099] FAT-fs (loop4): bogus number of reserved sectors
[ 2525.344517] CPU: 1 PID: 31549 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2525.350353] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2525.358732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2525.358739] Call Trace:
[ 2525.358766]  dump_stack+0x1c9/0x2b4
[ 2525.358796]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2525.358821]  ? perf_trace_lock+0xde/0x920
[ 2525.389591]  should_fail.cold.4+0xa/0x11
[ 2525.393973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2525.399108]  ? save_stack+0xa9/0xd0
[ 2525.402760]  ? save_stack+0x43/0xd0
[ 2525.405048] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2525.406426]  ? kasan_kmalloc+0xc4/0xe0
[ 2525.406442]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2525.406457]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2525.406469]  ? __list_lru_init+0x4d6/0x840
08:33:30 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000042)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

[ 2525.406487]  ? alloc_super+0x9a6/0xb10
[ 2525.435223]  ? sget+0x10b/0x150
[ 2525.438513]  ? mount_bdev+0x115/0x3e0
[ 2525.444240]  ? legacy_get_tree+0x118/0x440
[ 2525.448487]  ? vfs_get_tree+0x1cb/0x5c0
[ 2525.451971] FAT-fs (loop5): bogus number of reserved sectors
[ 2525.452469]  ? do_mount+0x6c1/0x1fb0
[ 2525.452483]  ? ksys_mount+0x12d/0x140
[ 2525.452497]  ? __x64_sys_mount+0xbe/0x150
[ 2525.452514]  ? do_syscall_64+0x1b9/0x820
[ 2525.452529]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2525.452551]  ? lock_acquire+0x1e4/0x540
[ 2525.458367] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2525.462045]  ? fs_reclaim_acquire+0x20/0x20
[ 2525.462059]  ? lock_downgrade+0x8f0/0x8f0
[ 2525.462080]  ? do_mount+0x6c1/0x1fb0
[ 2525.501810]  ? check_same_owner+0x340/0x340
[ 2525.506126]  ? rcu_note_context_switch+0x730/0x730
[ 2525.511050]  __should_failslab+0x124/0x180
[ 2525.515282]  should_failslab+0x9/0x14
[ 2525.519071]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2525.523737]  ? kasan_kmalloc+0xc4/0xe0
[ 2525.527620]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2525.532622]  ? kvfree_rcu+0x20/0x20
[ 2525.536251]  ? __kmalloc_node+0x47/0x70
[ 2525.540226]  __list_lru_init+0x4d6/0x840
[ 2525.544275]  ? list_lru_destroy+0x500/0x500
[ 2525.548769]  ? prealloc_shrinker+0x213/0x480
[ 2525.553179]  ? __init_waitqueue_head+0x9e/0x150
[ 2525.557836]  ? inactive_list_is_low+0x850/0x850
[ 2525.562505]  ? __lockdep_init_map+0x105/0x590
[ 2525.567008]  alloc_super+0x9a6/0xb10
[ 2525.570715]  ? destroy_unused_super.part.11+0x110/0x110
[ 2525.576073]  ? lock_downgrade+0x8f0/0x8f0
[ 2525.580216]  ? kasan_check_read+0x11/0x20
[ 2525.584351]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2525.588920]  ? kasan_check_write+0x14/0x20
[ 2525.593140]  ? do_raw_spin_lock+0xc1/0x200
[ 2525.597376]  sget_userns+0x276/0x860
[ 2525.601077]  ? kill_litter_super+0x60/0x60
[ 2525.605303]  ? test_single_super+0x10/0x10
[ 2525.609533]  ? vfs_get_super+0x270/0x270
[ 2525.613593]  ? kasan_check_read+0x11/0x20
[ 2525.617729]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2525.622305]  ? kasan_check_write+0x14/0x20
[ 2525.626702]  ? do_raw_spin_lock+0xc1/0x200
[ 2525.630938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2525.636466]  ? ns_capable_common+0x13f/0x170
[ 2525.640864]  ? kill_litter_super+0x60/0x60
[ 2525.645084]  sget+0x10b/0x150
[ 2525.648187]  ? test_single_super+0x10/0x10
[ 2525.652420]  mount_bdev+0x115/0x3e0
[ 2525.656039]  ? vfat_mount+0x50/0x50
[ 2525.659665]  vfat_mount+0x3c/0x50
[ 2525.663115]  ? setup+0x120/0x120
[ 2525.666467]  legacy_get_tree+0x118/0x440
[ 2525.670519]  vfs_get_tree+0x1cb/0x5c0
[ 2525.674306]  ? vfs_set_fs_source+0x12c/0x180
[ 2525.678704]  do_mount+0x6c1/0x1fb0
[ 2525.682246]  ? check_same_owner+0x340/0x340
[ 2525.686556]  ? lock_release+0xa30/0xa30
[ 2525.690520]  ? copy_mount_string+0x40/0x40
[ 2525.694769]  ? kasan_kmalloc+0xc4/0xe0
[ 2525.698647]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2525.703494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2525.709027]  ? _copy_from_user+0xdf/0x150
[ 2525.713169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2525.718696]  ? copy_mount_options+0x285/0x380
[ 2525.723446]  ksys_mount+0x12d/0x140
[ 2525.727075]  __x64_sys_mount+0xbe/0x150
[ 2525.731040]  do_syscall_64+0x1b9/0x820
[ 2525.734915]  ? finish_task_switch+0x1d3/0x870
[ 2525.739842]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2525.744761]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2525.750285]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2525.755307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2525.761021]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2525.766029]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2525.770686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2525.775525]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2525.780712] RIP: 0033:0x45885a
[ 2525.783901] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2525.803111] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2525.810807] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2525.818075] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2525.825342] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
08:33:31 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x600000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2525.832597] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2525.839877] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000041
[ 2525.867056] FAT-fs (loop2): bogus number of directory entries (526)
[ 2525.873653] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2525.892068] FAT-fs (loop4): bogus number of reserved sectors
[ 2525.897968] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2525.917983] FAT-fs (loop5): bogus number of reserved sectors
[ 2525.923965] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2525.931586] FAT-fs (loop2): bogus number of directory entries (526)
08:33:31 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x60}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:31 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x80400}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2525.931738] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2525.938153] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:31 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000400f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:31 executing program 6 (fault-call:1 fault-nth:66):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:31 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x81000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2526.033424] FAT-fs (loop5): bogus number of reserved sectors
[ 2526.039588] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2526.048633] FAT-fs (loop4): bogus number of reserved sectors
[ 2526.054585] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2526.102376] FAT-fs (loop4): bogus number of reserved sectors
[ 2526.108383] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2526.138298] FAT-fs (loop5): bogus number of reserved sectors
[ 2526.144352] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:31 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000a74f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:31 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x5}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2526.145759] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2526.248126] FAT-fs (loop4): invalid media value (0x64)
[ 2526.253543] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2526.295774] FAT-fs (loop4): invalid media value (0x64)
[ 2526.301213] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2526.441074] FAULT_INJECTION: forcing a failure.
[ 2526.441074] name failslab, interval 1, probability 0, space 0, times 0
[ 2526.452595] CPU: 1 PID: 31587 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2526.461264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2526.470612] Call Trace:
[ 2526.473200]  dump_stack+0x1c9/0x2b4
[ 2526.476829]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2526.482285]  ? trace_hardirqs_on+0xd/0x10
[ 2526.486439]  should_fail.cold.4+0xa/0x11
[ 2526.490502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2526.495602]  ? kvm_sched_clock_read+0x9/0x20
[ 2526.500012]  ? lock_repin_lock+0x430/0x430
[ 2526.504249]  ? kasan_check_write+0x14/0x20
[ 2526.508487]  ? __schedule+0x884/0x1ed0
[ 2526.512371]  ? legacy_get_tree+0x118/0x440
[ 2526.516604]  ? vfs_get_tree+0x1cb/0x5c0
[ 2526.520581]  ? __sched_text_start+0x8/0x8
[ 2526.524733]  ? lock_acquire+0x1e4/0x540
[ 2526.528704]  ? fs_reclaim_acquire+0x20/0x20
[ 2526.533024]  ? lock_downgrade+0x8f0/0x8f0
[ 2526.537174]  ? do_mount+0x6c1/0x1fb0
[ 2526.540893]  ? check_same_owner+0x340/0x340
[ 2526.545222]  __should_failslab+0x124/0x180
[ 2526.549459]  should_failslab+0x9/0x14
[ 2526.553274]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2526.557942]  ? kasan_kmalloc+0xc4/0xe0
[ 2526.561835]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2526.566854]  ? kvfree_rcu+0x20/0x20
[ 2526.570481]  ? __kmalloc_node+0x47/0x70
[ 2526.574464]  __list_lru_init+0x4d6/0x840
[ 2526.578528]  ? list_lru_destroy+0x500/0x500
[ 2526.582852]  ? prealloc_shrinker+0x213/0x480
[ 2526.587259]  ? __init_waitqueue_head+0x9e/0x150
[ 2526.591929]  ? inactive_list_is_low+0x850/0x850
[ 2526.596601]  ? __lockdep_init_map+0x105/0x590
[ 2526.601107]  alloc_super+0x9a6/0xb10
[ 2526.604826]  ? destroy_unused_super.part.11+0x110/0x110
[ 2526.610192]  ? lock_downgrade+0x8f0/0x8f0
[ 2526.614347]  ? kasan_check_read+0x11/0x20
[ 2526.618498]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2526.623083]  ? kasan_check_write+0x14/0x20
[ 2526.627316]  ? do_raw_spin_lock+0xc1/0x200
[ 2526.631573]  sget_userns+0x276/0x860
[ 2526.635284]  ? kill_litter_super+0x60/0x60
[ 2526.639519]  ? test_single_super+0x10/0x10
[ 2526.643754]  ? vfs_get_super+0x270/0x270
[ 2526.647816]  ? kasan_check_read+0x11/0x20
[ 2526.651962]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2526.656542]  ? kasan_check_write+0x14/0x20
[ 2526.660772]  ? do_raw_spin_lock+0xc1/0x200
[ 2526.665025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2526.670561]  ? ns_capable_common+0x13f/0x170
[ 2526.674971]  ? kill_litter_super+0x60/0x60
[ 2526.679218]  sget+0x10b/0x150
[ 2526.682326]  ? test_single_super+0x10/0x10
[ 2526.686576]  mount_bdev+0x115/0x3e0
[ 2526.690201]  ? vfat_mount+0x50/0x50
[ 2526.693843]  vfat_mount+0x3c/0x50
[ 2526.697314]  ? setup+0x120/0x120
[ 2526.700682]  legacy_get_tree+0x118/0x440
[ 2526.704757]  vfs_get_tree+0x1cb/0x5c0
[ 2526.708556]  ? vfs_set_fs_source+0x12c/0x180
[ 2526.712975]  do_mount+0x6c1/0x1fb0
[ 2526.716513]  ? check_same_owner+0x340/0x340
[ 2526.720832]  ? lock_release+0xa30/0xa30
[ 2526.724823]  ? copy_mount_string+0x40/0x40
[ 2526.729059]  ? kasan_kmalloc+0xc4/0xe0
[ 2526.732952]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2526.737800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2526.743341]  ? _copy_from_user+0xdf/0x150
[ 2526.747493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2526.753032]  ? copy_mount_options+0x285/0x380
[ 2526.757531]  ksys_mount+0x12d/0x140
[ 2526.761178]  __x64_sys_mount+0xbe/0x150
[ 2526.765156]  do_syscall_64+0x1b9/0x820
[ 2526.769049]  ? finish_task_switch+0x1d3/0x870
[ 2526.773547]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2526.778476]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2526.783409]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2526.788424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2526.793974]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2526.798992]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2526.803676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2526.808626]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2526.813823] RIP: 0033:0x45885a
[ 2526.817004] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:32 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x6000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:32 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xe000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:32 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x30, 0x2, 0xfffffffffffffffd, 0x0, 0x9, 0x0, 0x80, 0x3}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_genetlink_get_family_id$team(&(0x7f0000000240)='team\x00')
getsockopt$inet6_mreq(r2, 0x29, 0x15, &(0x7f00000002c0)={@local, <r5=>0x0}, &(0x7f0000000300)=0x14)
getsockname$packet(r3, &(0x7f0000000340)={0x0, 0x0, <r6=>0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000380)=0x14)
getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000500)={{{@in=@dev, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r7=>0x0}}, {{@in6=@mcast2}, 0x0, @in6=@mcast1}}, &(0x7f00000003c0)=0xe8)
getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000000600)={{{@in6=@ipv4={[], [], @rand_addr}, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r8=>0x0}}, {{@in6=@local}, 0x0, @in=@multicast2}}, &(0x7f0000000440)=0xe8)
accept$packet(r3, &(0x7f0000000480)={0x0, 0x0, <r9=>0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000700)=0x14)
getsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000e00)={{{@in=@multicast2, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r10=>0x0}}, {{@in6=@remote}, 0x0, @in6=@remote}}, &(0x7f0000000f00)=0xe8)
getsockopt$inet_pktinfo(r2, 0x0, 0x8, &(0x7f00000010c0)={<r11=>0x0, @multicast2, @multicast1}, &(0x7f0000001100)=0xc)
getsockname$packet(r2, &(0x7f0000001180)={0x0, 0x0, <r12=>0x0, 0x0, 0x0, 0x0, @local}, &(0x7f00000011c0)=0x14)
getsockopt$inet6_mreq(r3, 0x29, 0x0, &(0x7f0000002300)={@remote, <r13=>0x0}, &(0x7f0000002340)=0x14)
recvmsg(r3, &(0x7f0000002b00)={&(0x7f0000002380)=@ll={0x0, 0x0, <r14=>0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f00000029c0)=[{&(0x7f0000002400)=""/197, 0xc5}, {&(0x7f0000002500)=""/28, 0x1c}, {&(0x7f0000002540)=""/247, 0xf7}, {&(0x7f0000002640)=""/49, 0x31}, {&(0x7f0000002680)=""/198, 0xc6}, {&(0x7f0000002780)=""/191, 0xbf}, {&(0x7f0000002840)=""/51, 0x33}, {&(0x7f0000002880)=""/191, 0xbf}, {&(0x7f0000002940)=""/110, 0x6e}], 0x9, &(0x7f0000002a80)=""/110, 0x6e, 0x4}, 0x0)
getsockopt$inet6_IPV6_IPSEC_POLICY(r3, 0x29, 0x22, &(0x7f0000002b40)={{{@in=@local, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r15=>0x0}}, {{}, 0x0, @in=@rand_addr}}, &(0x7f0000002c40)=0xe8)
getsockopt$inet6_IPV6_XFRM_POLICY(r3, 0x29, 0x23, &(0x7f0000002c80)={{{@in=@broadcast, @in6=@ipv4={[], [], @multicast2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r16=>0x0}}, {{@in=@local}, 0x0, @in=@loopback}}, &(0x7f0000002d80)=0xe8)
getsockname$packet(r3, &(0x7f0000003280)={0x0, 0x0, <r17=>0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f00000032c0)=0x14)
getpeername$packet(r3, &(0x7f00000033c0)={0x0, 0x0, <r18=>0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000003400)=0x14)
getsockopt$inet6_mreq(r3, 0x29, 0x15, &(0x7f0000003440)={@empty, <r19=>0x0}, &(0x7f0000003480)=0x14)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f00000034c0)={'vcan0\x00', <r20=>0x0})
getpeername$packet(r2, &(0x7f0000003500)={0x0, 0x0, <r21=>0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000003540)=0x14)
accept$packet(r0, &(0x7f0000003640)={0x0, 0x0, <r22=>0x0}, &(0x7f0000003680)=0x14)
getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000036c0)={{{@in, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r23=>0x0}}, {{@in6}, 0x0, @in=@dev}}, &(0x7f00000037c0)=0xe8)
getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000003800)={{{@in6=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r24=>0x0}}, {{@in=@dev}, 0x0, @in6=@loopback}}, &(0x7f0000003900)=0xe8)
accept4$packet(r2, &(0x7f0000003940)={0x0, 0x0, <r25=>0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000003980)=0x14, 0x80800)
getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000004100)={{{@in=@rand_addr, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r26=>0x0}}, {{@in=@remote}, 0x0, @in=@multicast1}}, &(0x7f0000004200)=0xe8)
getsockopt$inet_mreqn(r2, 0x0, 0x20, &(0x7f0000005580)={@multicast2, @dev, <r27=>0x0}, &(0x7f00000055c0)=0xc)
ioctl$sock_ifreq(r2, 0x8927, &(0x7f00000091c0)={'bond_slave_0\x00', @ifru_addrs=@xdp={0x2c, 0x1, <r28=>0x0, 0x3d}})
sendmsg$TEAM_CMD_OPTIONS_GET(r2, &(0x7f0000009b80)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10020000}, 0xc, &(0x7f0000009b40)={&(0x7f0000009200)={0x938, r4, 0x10a, 0x70bd28, 0x25dfdbff, {0x2}, [{{0x8, 0x1, r5}, {0x174, 0x2, [{0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r6}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xdfe9}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x1ff}}, {0x8, 0x6, r7}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r8}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r9}}}]}}, {{0x8, 0x1, r10}, {0x294, 0x2, [{0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x1}}, {0x8, 0x6, r11}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x6}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7fff}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r12}}, {0x8, 0x7}}}, {0x38, 0x1, @mcast_rejoin_interval={{0x24, 0x1, 'mcast_rejoin_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x8798}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r13}}, {0x8, 0x7}}}, {0x40, 0x1, @priority={{{0x24, 0x1, 'priority\x00'}, {0x8, 0x3, 0xe}, {0x8, 0x4, 0x8}}, {0x8, 0x6, r14}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x6}}, {0x8, 0x6, r15}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x5c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0x2c, 0x4, [{0x4, 0x8, 0x8, 0x1}, {0xffff, 0xdd, 0x5, 0x4}, {0x1, 0xffffffff, 0x4}, {0x8b00, 0x7fff, 0xda76, 0x4}, {0x4, 0x6, 0xffffffff80000001, 0x3}]}}}]}}, {{0x8, 0x1, r16}, {0x1dc, 0x2, [{0x40, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x10, 0x4, 'loadbalance\x00'}}}, {0x44, 0x1, @name={{0x24, 0x1, 'mode\x00'}, {0x8, 0x3, 0x5}, {0x14, 0x4, 'activebackup\x00'}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}, {0x3c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0xc, 0x4, 'hash\x00'}}}, {0x40, 0x1, @lb_port_stats={{{0x24, 0x1, 'lb_port_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x20000}}, {0x8, 0x6, r17}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8, 0x3, 0xb}, {0x8, 0x4, 0x6}}, {0x8, 0x7}}}, {0x4c, 0x1, @lb_tx_method={{0x24, 0x1, 'lb_tx_method\x00'}, {0x8, 0x3, 0x5}, {0x1c, 0x4, 'hash_to_port_mapping\x00'}}}]}}, {{0x8, 0x1, r18}, {0xec, 0x2, [{0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0xfff}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r19}}}, {0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x2}}}, {0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r20}}}]}}, {{0x8, 0x1, r21}, {0xf8, 0x2, [{0x3c, 0x1, @user_linkup_enabled={{{0x24, 0x1, 'user_linkup_enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r22}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r23}}, {0x8, 0x7}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r24}}, {0x8, 0x7}}}, {0x38, 0x1, @notify_peers_count={{0x24, 0x1, 'notify_peers_count\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x4}}}]}}, {{0x8, 0x1, r25}, {0x12c, 0x2, [{0x38, 0x1, @activeport={{0x24, 0x1, 'activeport\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, r26}}}, {0x38, 0x1, @lb_stats_refresh_interval={{0x24, 0x1, 'lb_stats_refresh_interval\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x7}}}, {0x3c, 0x1, @bpf_hash_func={{0x24, 0x1, 'bpf_hash_func\x00'}, {0x8, 0x3, 0xb}, {0xc, 0x4, [{0x7, 0xffffffff00000001, 0x7fff, 0x81}]}}}, {0x40, 0x1, @queue_id={{{0x24, 0x1, 'queue_id\x00'}, {0x8, 0x3, 0x3}, {0x8, 0x4, 0x401}}, {0x8, 0x6, r27}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8, 0x3, 0x6}, {0x4, 0x4}}, {0x8, 0x6, r28}}}]}}]}, 0x938}, 0x1, 0x0, 0x0, 0x880}, 0x48800)
r29 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r29, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r29, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:32 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000014)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:32 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02001474f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:32 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a03000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:32 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x27c6}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2526.836268] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2526.843976] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2526.851255] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2526.858517] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2526.865782] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2526.873045] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000042
08:33:32 executing program 6 (fault-call:1 fault-nth:67):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:32 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a09000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2526.952620] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
08:33:32 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0200be74f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2526.992982] FAT-fs (loop4): bogus number of reserved sectors
[ 2526.998899] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2527.009437] FAT-fs (loop5): bogus number of reserved sectors
[ 2527.015378] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2527.046007] FAT-fs (loop4): bogus number of reserved sectors
[ 2527.051994] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2527.073348] FAULT_INJECTION: forcing a failure.
[ 2527.073348] name failslab, interval 1, probability 0, space 0, times 0
[ 2527.084713] CPU: 0 PID: 31632 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2527.093173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2527.102564] Call Trace:
[ 2527.105160]  dump_stack+0x1c9/0x2b4
[ 2527.108816]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2527.114019]  ? perf_trace_lock+0x49d/0x920
[ 2527.118280]  should_fail.cold.4+0xa/0x11
[ 2527.122357]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2527.127468]  ? save_stack+0xa9/0xd0
[ 2527.131101]  ? save_stack+0x43/0xd0
[ 2527.134725]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2527.139569]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2527.144748]  ? __list_lru_init+0x4d6/0x840
[ 2527.148977]  ? alloc_super+0x9a6/0xb10
[ 2527.152870]  ? sget+0x10b/0x150
[ 2527.156139]  ? mount_bdev+0x115/0x3e0
[ 2527.159935]  ? legacy_get_tree+0x118/0x440
[ 2527.164175]  ? vfs_get_tree+0x1cb/0x5c0
[ 2527.168140]  ? do_mount+0x6c1/0x1fb0
[ 2527.171855]  ? ksys_mount+0x12d/0x140
[ 2527.175647]  ? __x64_sys_mount+0xbe/0x150
[ 2527.179800]  ? do_syscall_64+0x1b9/0x820
[ 2527.183859]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2527.189232]  ? lock_acquire+0x1e4/0x540
[ 2527.193202]  ? fs_reclaim_acquire+0x20/0x20
[ 2527.197531]  ? lock_downgrade+0x8f0/0x8f0
[ 2527.201672]  ? do_mount+0x6c1/0x1fb0
[ 2527.205385]  ? check_same_owner+0x340/0x340
[ 2527.209710]  ? rcu_note_context_switch+0x730/0x730
[ 2527.214637]  __should_failslab+0x124/0x180
[ 2527.218869]  should_failslab+0x9/0x14
[ 2527.222671]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2527.227329]  ? kasan_kmalloc+0xc4/0xe0
[ 2527.231325]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2527.236335]  ? kvfree_rcu+0x20/0x20
[ 2527.239969]  ? __kmalloc_node+0x47/0x70
[ 2527.243941]  __list_lru_init+0x4d6/0x840
[ 2527.247998]  ? list_lru_destroy+0x500/0x500
[ 2527.252331]  ? prealloc_shrinker+0x213/0x480
[ 2527.256739]  ? __init_waitqueue_head+0x9e/0x150
[ 2527.261400]  ? inactive_list_is_low+0x850/0x850
[ 2527.266065]  ? __lockdep_init_map+0x105/0x590
[ 2527.270557]  alloc_super+0x9a6/0xb10
[ 2527.274268]  ? destroy_unused_super.part.11+0x110/0x110
[ 2527.279624]  ? lock_downgrade+0x8f0/0x8f0
[ 2527.283781]  ? kasan_check_read+0x11/0x20
[ 2527.287923]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2527.292508]  ? kasan_check_write+0x14/0x20
[ 2527.296733]  ? do_raw_spin_lock+0xc1/0x200
[ 2527.300965]  sget_userns+0x276/0x860
[ 2527.304682]  ? kill_litter_super+0x60/0x60
[ 2527.308913]  ? test_single_super+0x10/0x10
[ 2527.313140]  ? vfs_get_super+0x270/0x270
[ 2527.317193]  ? kasan_check_read+0x11/0x20
[ 2527.321344]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2527.325921]  ? kasan_check_write+0x14/0x20
[ 2527.330148]  ? do_raw_spin_lock+0xc1/0x200
[ 2527.334414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2527.339956]  ? ns_capable_common+0x13f/0x170
[ 2527.344360]  ? kill_litter_super+0x60/0x60
[ 2527.348587]  sget+0x10b/0x150
[ 2527.351687]  ? test_single_super+0x10/0x10
[ 2527.355918]  mount_bdev+0x115/0x3e0
[ 2527.359538]  ? vfat_mount+0x50/0x50
[ 2527.363162]  vfat_mount+0x3c/0x50
[ 2527.366621]  ? setup+0x120/0x120
[ 2527.369979]  legacy_get_tree+0x118/0x440
[ 2527.374042]  vfs_get_tree+0x1cb/0x5c0
[ 2527.377843]  ? vfs_set_fs_source+0x12c/0x180
[ 2527.382246]  do_mount+0x6c1/0x1fb0
[ 2527.385783]  ? kasan_check_write+0x14/0x20
[ 2527.390020]  ? copy_mount_string+0x40/0x40
[ 2527.394247]  ? kasan_kmalloc+0xc4/0xe0
[ 2527.398131]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2527.402971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2527.408505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2527.414036]  ? copy_mount_options+0x285/0x380
[ 2527.418539]  ksys_mount+0x12d/0x140
[ 2527.422165]  __x64_sys_mount+0xbe/0x150
[ 2527.426136]  do_syscall_64+0x1b9/0x820
[ 2527.430017]  ? syscall_slow_exit_work+0x500/0x500
[ 2527.434856]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2527.439778]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2527.444702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2527.450231]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2527.455240]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2527.459902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2527.464752]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2527.469929] RIP: 0033:0x45885a
[ 2527.473104] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:32 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffff7f}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:32 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0d000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2527.492488] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2527.500189] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2527.507447] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2527.514706] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2527.521974] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2527.529233] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000043
[ 2527.542507] FAT-fs (loop5): bogus number of reserved sectors
08:33:33 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x48}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2527.548589] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:33 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x400000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:33 executing program 6 (fault-call:1 fault-nth:68):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:33 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a00000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2527.615562] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2527.658161] FAT-fs (loop5): bogus number of reserved sectors
[ 2527.664136] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2527.678279] FAT-fs (loop4): bogus number of reserved sectors
[ 2527.683863] FAT-fs (loop5): bogus number of reserved sectors
[ 2527.684242] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2527.690032] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2527.719308] FAULT_INJECTION: forcing a failure.
[ 2527.719308] name failslab, interval 1, probability 0, space 0, times 0
[ 2527.730724] CPU: 0 PID: 31651 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2527.739147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2527.748531] Call Trace:
[ 2527.751144]  dump_stack+0x1c9/0x2b4
[ 2527.754794]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2527.760110]  ? perf_trace_lock+0x49d/0x920
[ 2527.764381]  should_fail.cold.4+0xa/0x11
[ 2527.768465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2527.773597]  ? save_stack+0xa9/0xd0
[ 2527.777239]  ? save_stack+0x43/0xd0
[ 2527.780875]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2527.785731]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2527.790930]  ? __list_lru_init+0x4d6/0x840
[ 2527.795191]  ? alloc_super+0x9a6/0xb10
[ 2527.799111]  ? sget+0x10b/0x150
[ 2527.802404]  ? mount_bdev+0x115/0x3e0
[ 2527.806220]  ? legacy_get_tree+0x118/0x440
[ 2527.810476]  ? vfs_get_tree+0x1cb/0x5c0
[ 2527.814462]  ? do_mount+0x6c1/0x1fb0
08:33:33 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x2}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:33 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2527.818195]  ? ksys_mount+0x12d/0x140
[ 2527.822009]  ? __x64_sys_mount+0xbe/0x150
[ 2527.826180]  ? do_syscall_64+0x1b9/0x820
[ 2527.830281]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2527.835707]  ? lock_acquire+0x1e4/0x540
[ 2527.839815]  ? fs_reclaim_acquire+0x20/0x20
[ 2527.844157]  ? lock_downgrade+0x8f0/0x8f0
[ 2527.848318]  ? do_mount+0x6c1/0x1fb0
[ 2527.852063]  ? check_same_owner+0x340/0x340
[ 2527.856430]  ? rcu_note_context_switch+0x730/0x730
[ 2527.861397]  __should_failslab+0x124/0x180
[ 2527.865667]  should_failslab+0x9/0x14
[ 2527.869500]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2527.874197]  ? kasan_kmalloc+0xc4/0xe0
[ 2527.878130]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2527.883179]  ? kvfree_rcu+0x20/0x20
[ 2527.886833]  ? __kmalloc_node+0x47/0x70
[ 2527.891025]  __list_lru_init+0x4d6/0x840
[ 2527.895126]  ? list_lru_destroy+0x500/0x500
[ 2527.899486]  ? prealloc_shrinker+0x213/0x480
[ 2527.903919]  ? __init_waitqueue_head+0x9e/0x150
[ 2527.908614]  ? inactive_list_is_low+0x850/0x850
[ 2527.913314]  ? __lockdep_init_map+0x105/0x590
[ 2527.917837]  alloc_super+0x9a6/0xb10
[ 2527.921579]  ? destroy_unused_super.part.11+0x110/0x110
[ 2527.925099] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2527.926960]  ? lock_downgrade+0x8f0/0x8f0
[ 2527.926991]  ? kasan_check_read+0x11/0x20
[ 2527.927010]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2527.927033]  ? kasan_check_write+0x14/0x20
[ 2527.927051]  ? do_raw_spin_lock+0xc1/0x200
[ 2527.927077]  sget_userns+0x276/0x860
[ 2527.927090]  ? kill_litter_super+0x60/0x60
[ 2527.927108]  ? test_single_super+0x10/0x10
[ 2527.927123]  ? vfs_get_super+0x270/0x270
[ 2527.927135]  ? kasan_check_read+0x11/0x20
[ 2527.927152]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2527.927174]  ? kasan_check_write+0x14/0x20
[ 2527.927189]  ? do_raw_spin_lock+0xc1/0x200
[ 2527.927241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2527.927257]  ? ns_capable_common+0x13f/0x170
[ 2527.927274]  ? kill_litter_super+0x60/0x60
[ 2527.927289]  sget+0x10b/0x150
[ 2527.927304]  ? test_single_super+0x10/0x10
[ 2527.927328]  mount_bdev+0x115/0x3e0
[ 2527.927345]  ? vfat_mount+0x50/0x50
[ 2527.927369]  vfat_mount+0x3c/0x50
[ 2527.927385]  ? setup+0x120/0x120
[ 2527.927403]  legacy_get_tree+0x118/0x440
[ 2527.927427]  vfs_get_tree+0x1cb/0x5c0
[ 2528.032066]  ? vfs_set_fs_source+0x12c/0x180
[ 2528.036492]  do_mount+0x6c1/0x1fb0
[ 2528.040061]  ? kasan_check_write+0x14/0x20
[ 2528.044310]  ? copy_mount_string+0x40/0x40
[ 2528.048583]  ? kasan_kmalloc+0xc4/0xe0
[ 2528.052490]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2528.057351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2528.062908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2528.068458]  ? copy_mount_options+0x285/0x380
[ 2528.072975]  ksys_mount+0x12d/0x140
[ 2528.076632]  __x64_sys_mount+0xbe/0x150
[ 2528.080621]  do_syscall_64+0x1b9/0x820
[ 2528.084519]  ? finish_task_switch+0x1d3/0x870
[ 2528.089024]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2528.093974]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2528.098934]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2528.103962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2528.109600]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2528.114634]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2528.119317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2528.124246]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2528.129449] RIP: 0033:0x45885a
[ 2528.132640] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2528.152240] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2528.159974] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2528.167270] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2528.174548] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2528.181833] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2528.189120] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000044
[ 2528.211127] FAT-fs (loop5): invalid media value (0x74)
[ 2528.216590] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2528.218121] FAT-fs (loop7): bogus number of FAT structure
[ 2528.228551] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2528.236861] FAT-fs (loop4): bogus number of reserved sectors
[ 2528.242798] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2528.265923] FAT-fs (loop7): bogus number of FAT structure
[ 2528.271584] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2528.288885] FAT-fs (loop5): invalid media value (0x74)
[ 2528.294293] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:33 executing program 6 (fault-call:1 fault-nth:69):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:33 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000a6)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:33 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4f73}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:33 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xf6ffffff00000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:33 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x7a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:33 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010402000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:33 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
getpid()
fcntl$getownex(r0, 0x10, &(0x7f0000000140))
getpid()
fcntl$getownex(r0, 0x10, &(0x7f0000000300))
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000340), &(0x7f0000000380)=0xc)
getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000003c0)={<r1=>0x0}, &(0x7f0000000440)=0xc)
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
openat$audio(0xffffffffffffff9c, &(0x7f0000000240)='/dev/audio\x00', 0x80000, 0x0)
openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/hwrng\x00', 0x0, 0x0)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00'}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r4, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000140), 0x0, 0x4088, &(0x7f00000012c0)={0x1a, 0x302, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0xffffffffffffff5f)
write$binfmt_elf32(r3, &(0x7f0000000940)=ANY=[@ANYBLOB="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"], 0x158)

[ 2528.427419] FAT-fs (loop4): bogus number of reserved sectors
[ 2528.427609] FAULT_INJECTION: forcing a failure.
[ 2528.427609] name failslab, interval 1, probability 0, space 0, times 0
[ 2528.433372] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2528.450735] CPU: 1 PID: 31679 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2528.459151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2528.468519] Call Trace:
[ 2528.471125]  dump_stack+0x1c9/0x2b4
[ 2528.474759]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2528.479959]  ? perf_trace_lock+0xde/0x920
[ 2528.484121]  should_fail.cold.4+0xa/0x11
[ 2528.488193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2528.493308]  ? save_stack+0xa9/0xd0
[ 2528.496943]  ? save_stack+0x43/0xd0
[ 2528.500582]  ? kasan_kmalloc+0xc4/0xe0
[ 2528.504487]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2528.509341]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2528.514537]  ? __list_lru_init+0x4d6/0x840
[ 2528.518777]  ? alloc_super+0x9a6/0xb10
[ 2528.522678]  ? sget+0x10b/0x150
[ 2528.525966]  ? mount_bdev+0x115/0x3e0
[ 2528.529775]  ? legacy_get_tree+0x118/0x440
[ 2528.534015]  ? vfs_get_tree+0x1cb/0x5c0
[ 2528.537998]  ? do_mount+0x6c1/0x1fb0
[ 2528.541716]  ? ksys_mount+0x12d/0x140
[ 2528.545536]  ? __x64_sys_mount+0xbe/0x150
[ 2528.549695]  ? do_syscall_64+0x1b9/0x820
[ 2528.553768]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2528.559148]  ? lock_acquire+0x1e4/0x540
[ 2528.563127]  ? fs_reclaim_acquire+0x20/0x20
[ 2528.567457]  ? lock_downgrade+0x8f0/0x8f0
[ 2528.571613]  ? do_mount+0x6c1/0x1fb0
[ 2528.575338]  ? check_same_owner+0x340/0x340
[ 2528.579665]  ? rcu_note_context_switch+0x730/0x730
[ 2528.584603]  __should_failslab+0x124/0x180
[ 2528.588841]  should_failslab+0x9/0x14
[ 2528.592651]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2528.597328]  ? kasan_kmalloc+0xc4/0xe0
[ 2528.601232]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2528.606260]  ? kvfree_rcu+0x20/0x20
[ 2528.609902]  ? __kmalloc_node+0x47/0x70
[ 2528.613902]  __list_lru_init+0x4d6/0x840
[ 2528.618012]  ? list_lru_destroy+0x500/0x500
[ 2528.622379]  ? prealloc_shrinker+0x213/0x480
[ 2528.626830]  ? __init_waitqueue_head+0x9e/0x150
[ 2528.631528]  ? inactive_list_is_low+0x850/0x850
[ 2528.636224]  ? __lockdep_init_map+0x105/0x590
[ 2528.640751]  alloc_super+0x9a6/0xb10
[ 2528.644535]  ? destroy_unused_super.part.11+0x110/0x110
[ 2528.649926]  ? lock_downgrade+0x8f0/0x8f0
[ 2528.654105]  ? kasan_check_read+0x11/0x20
[ 2528.655584] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2528.658265]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2528.658285]  ? kasan_check_write+0x14/0x20
[ 2528.658299]  ? do_raw_spin_lock+0xc1/0x200
[ 2528.658320]  sget_userns+0x276/0x860
[ 2528.658335]  ? kill_litter_super+0x60/0x60
[ 2528.658349]  ? test_single_super+0x10/0x10
[ 2528.658363]  ? vfs_get_super+0x270/0x270
[ 2528.658377]  ? kasan_check_read+0x11/0x20
[ 2528.658390]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2528.658405]  ? kasan_check_write+0x14/0x20
[ 2528.658417]  ? do_raw_spin_lock+0xc1/0x200
[ 2528.658446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2528.658460]  ? ns_capable_common+0x13f/0x170
[ 2528.658473]  ? kill_litter_super+0x60/0x60
[ 2528.658491]  sget+0x10b/0x150
[ 2528.658504]  ? test_single_super+0x10/0x10
[ 2528.658521]  mount_bdev+0x115/0x3e0
[ 2528.658536]  ? vfat_mount+0x50/0x50
[ 2528.658552]  vfat_mount+0x3c/0x50
[ 2528.658567]  ? setup+0x120/0x120
[ 2528.658581]  legacy_get_tree+0x118/0x440
[ 2528.658596]  vfs_get_tree+0x1cb/0x5c0
[ 2528.658610]  ? vfs_set_fs_source+0x12c/0x180
[ 2528.658623]  do_mount+0x6c1/0x1fb0
[ 2528.658634]  ? kasan_check_read+0x11/0x20
[ 2528.658646]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2528.658661]  ? copy_mount_string+0x40/0x40
[ 2528.658681]  ? retint_kernel+0x10/0x10
[ 2528.779610]  ? copy_mount_options+0x1a1/0x380
[ 2528.784116]  ? __sanitizer_cov_trace_pc+0x48/0x50
[ 2528.788970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2528.794516]  ? copy_mount_options+0x285/0x380
[ 2528.799023]  ksys_mount+0x12d/0x140
[ 2528.802663]  __x64_sys_mount+0xbe/0x150
[ 2528.806649]  do_syscall_64+0x1b9/0x820
[ 2528.810537]  ? finish_task_switch+0x1d3/0x870
[ 2528.815032]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2528.819976]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2528.824918]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2528.829939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2528.835484]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2528.840489]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2528.845157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2528.849997]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2528.855187] RIP: 0033:0x45885a
[ 2528.858379] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:34 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02001074f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2528.877589] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2528.885281] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2528.892536] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2528.899794] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2528.907061] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2528.914314] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000045
08:33:34 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffffc0}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:34 executing program 6 (fault-call:1 fault-nth:70):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:34 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0e000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2528.926057] FAT-fs (loop5): bogus number of reserved sectors
[ 2528.932178] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2528.941666] FAT-fs (loop4): bogus number of reserved sectors
[ 2528.947559] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:34 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x9300}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2528.989691] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2529.014522] FAT-fs (loop5): bogus number of reserved sectors
[ 2529.020416] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:34 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2529.051790] FAT-fs (loop6): bogus number of reserved sectors
[ 2529.057806] FAT-fs (loop6): Can't find a valid FAT filesystem
08:33:34 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa0a}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2529.092119] FAT-fs (loop4): bogus number of reserved sectors
[ 2529.098090] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2529.109226] FAULT_INJECTION: forcing a failure.
[ 2529.109226] name failslab, interval 1, probability 0, space 0, times 0
[ 2529.120688] CPU: 1 PID: 31709 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2529.129109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2529.138469] Call Trace:
[ 2529.141071]  dump_stack+0x1c9/0x2b4
[ 2529.144711]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2529.149914]  should_fail.cold.4+0xa/0x11
[ 2529.153984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2529.159120]  ? lock_repin_lock+0x430/0x430
[ 2529.163364]  ? kasan_check_write+0x14/0x20
[ 2529.167623]  ? __schedule+0x884/0x1ed0
[ 2529.171535]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2529.175955]  ? __sched_text_start+0x8/0x8
[ 2529.180114]  ? lock_acquire+0x1e4/0x540
[ 2529.184704]  ? fs_reclaim_acquire+0x20/0x20
[ 2529.189133]  ? lock_downgrade+0x8f0/0x8f0
[ 2529.193307]  ? check_same_owner+0x340/0x340
[ 2529.197659]  __should_failslab+0x124/0x180
[ 2529.202804]  should_failslab+0x9/0x14
[ 2529.206611]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2529.211489]  ? dev_uevent_name+0xa0/0xe0
[ 2529.215557]  ? dev_uevent_name+0xb5/0xe0
[ 2529.219635]  ? device_create_file+0x1e0/0x1e0
[ 2529.224139]  kobject_uevent_env+0x20f/0x1110
[ 2529.228576]  kobject_uevent+0x1f/0x30
[ 2529.232392]  loop_clr_fd+0x62f/0xd60
[ 2529.236118]  ? loop_attr_do_show_backing_file+0x1a0/0x1a0
[ 2529.241678]  lo_ioctl+0x875/0x1d70
[ 2529.245264]  ? lock_release+0xa30/0xa30
[ 2529.249270]  ? lo_rw_aio_complete+0x450/0x450
[ 2529.250320] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2529.253777]  blkdev_ioctl+0x9cd/0x2030
[ 2529.253800]  ? lock_acquire+0x1e4/0x540
[ 2529.253816]  ? blkpg_ioctl+0xc40/0xc40
[ 2529.253835]  ? lock_release+0xa30/0xa30
[ 2529.253851]  ? kernel_text_address+0x79/0xf0
[ 2529.253866]  ? __kernel_text_address+0xd/0x40
[ 2529.253881]  ? unwind_get_return_address+0x61/0xa0
08:33:34 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a000a0274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2529.253897]  ? __save_stack_trace+0x8d/0xf0
[ 2529.253913]  ? __fget+0x4d5/0x740
[ 2529.253928]  ? ksys_dup3+0x690/0x690
[ 2529.253941]  ? __kasan_slab_free+0x11a/0x170
[ 2529.253954]  ? kfree+0xd9/0x260
[ 2529.253967]  ? ksys_mount+0xa3/0x140
[ 2529.253980]  ? __x64_sys_mount+0xbe/0x150
[ 2529.253995]  ? do_syscall_64+0x1b9/0x820
[ 2529.254011]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2529.254030]  block_ioctl+0xee/0x130
[ 2529.254043]  ? blkdev_fallocate+0x400/0x400
[ 2529.254057]  do_vfs_ioctl+0x1de/0x1720
[ 2529.254069]  ? kasan_check_write+0x14/0x20
08:33:34 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2529.254080]  ? do_raw_spin_lock+0xc1/0x200
[ 2529.254094]  ? ioctl_preallocate+0x300/0x300
[ 2529.254104]  ? __fget_light+0x2f7/0x440
[ 2529.254116]  ? fget_raw+0x20/0x20
[ 2529.254132]  ? trace_hardirqs_off+0xd/0x10
[ 2529.254144]  ? quarantine_put+0x10d/0x1b0
[ 2529.254163]  ? __kasan_slab_free+0x131/0x170
[ 2529.320782] FAT-fs (loop5): bogus number of reserved sectors
[ 2529.321280]  ? security_file_ioctl+0x94/0xc0
[ 2529.321299]  ksys_ioctl+0xa9/0xd0
[ 2529.321315]  __x64_sys_ioctl+0x73/0xb0
[ 2529.321332]  do_syscall_64+0x1b9/0x820
[ 2529.321351]  ? syscall_slow_exit_work+0x500/0x500
[ 2529.326758] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2529.330322]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2529.330339]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2529.330361]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2529.418469]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2529.423155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2529.428017]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2529.433213] RIP: 0033:0x455c97
[ 2529.436402] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2529.456082] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2529.460899] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2529.463884] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 0000000000455c97
[ 2529.463893] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000016
[ 2529.463901] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2529.463909] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
[ 2529.463918] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000046
[ 2529.526904] FAT-fs (loop4): bogus number of reserved sectors
[ 2529.532892] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:35 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000140))
ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000240))
ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f00000002c0)=<r1=>0x0)
r2 = getpgrp(r1)
sched_setattr(r2, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r4 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r3}, 0x10)
r5 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r5, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000300)={<r6=>0x0, @in6={{0xa, 0x4e24, 0x2, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xe}}, 0x3fc000000}}, 0xa40, 0x6, 0x9, 0xffffffffffffff81, 0x80}, &(0x7f00000003c0)=0x98)
setsockopt$inet_sctp6_SCTP_MAX_BURST(r4, 0x84, 0x14, &(0x7f0000000440)=@assoc_value={r6, 0x1}, 0x8)
sendto$llc(r5, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:35 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x200000000000000b)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:35 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000474f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:35 executing program 6 (fault-call:1 fault-nth:71):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:35 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000f74f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2529.547093] FAT-fs (loop5): bogus number of reserved sectors
[ 2529.552984] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2529.565448] FAT-fs (loop7): bogus number of FAT structure
[ 2529.571110] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:35 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xff0f}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2529.624577] FAULT_INJECTION: forcing a failure.
[ 2529.624577] name failslab, interval 1, probability 0, space 0, times 0
[ 2529.635982] CPU: 1 PID: 31743 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2529.644404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2529.653769] Call Trace:
[ 2529.656376]  dump_stack+0x1c9/0x2b4
[ 2529.660063]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2529.665278]  ? perf_trace_lock+0xde/0x920
[ 2529.669449]  should_fail.cold.4+0xa/0x11
08:33:35 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xc0ed0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:35 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x734f0000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2529.673534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2529.678663]  ? save_stack+0xa9/0xd0
[ 2529.682308]  ? save_stack+0x43/0xd0
[ 2529.685953]  ? kasan_kmalloc+0xc4/0xe0
[ 2529.689857]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2529.694720]  ? __memcg_init_list_lru_node+0x185/0x2d0
[ 2529.699952]  ? __list_lru_init+0x4d6/0x840
[ 2529.704203]  ? alloc_super+0x9a6/0xb10
[ 2529.708118]  ? sget+0x10b/0x150
[ 2529.711461]  ? mount_bdev+0x115/0x3e0
[ 2529.715282]  ? legacy_get_tree+0x118/0x440
[ 2529.719530]  ? vfs_get_tree+0x1cb/0x5c0
[ 2529.723517]  ? do_mount+0x6c1/0x1fb0
[ 2529.727240]  ? ksys_mount+0x12d/0x140
[ 2529.731052]  ? __x64_sys_mount+0xbe/0x150
[ 2529.735208]  ? do_syscall_64+0x1b9/0x820
[ 2529.739276]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2529.744661]  ? lock_acquire+0x1e4/0x540
[ 2529.748645]  ? fs_reclaim_acquire+0x20/0x20
[ 2529.752982]  ? lock_downgrade+0x8f0/0x8f0
[ 2529.757139]  ? lock_downgrade+0x8f0/0x8f0
[ 2529.761301]  ? check_same_owner+0x340/0x340
[ 2529.765634]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2529.770066]  ? rcu_note_context_switch+0x730/0x730
[ 2529.775020]  __should_failslab+0x124/0x180
[ 2529.779273]  should_failslab+0x9/0x14
[ 2529.783084]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2529.787759]  ? kasan_kmalloc+0xc4/0xe0
[ 2529.791661]  __memcg_init_list_lru_node+0x185/0x2d0
[ 2529.796714]  ? kvfree_rcu+0x20/0x20
[ 2529.800345]  ? __kmalloc_node+0x47/0x70
[ 2529.804324]  __list_lru_init+0x4d6/0x840
[ 2529.808399]  ? list_lru_destroy+0x500/0x500
[ 2529.812730]  ? prealloc_shrinker+0x213/0x480
[ 2529.817138]  ? __init_waitqueue_head+0x9e/0x150
[ 2529.821808]  ? inactive_list_is_low+0x850/0x850
[ 2529.826481]  ? __lockdep_init_map+0x105/0x590
[ 2529.830984]  alloc_super+0x9a6/0xb10
[ 2529.834704]  ? destroy_unused_super.part.11+0x110/0x110
[ 2529.840075]  ? lock_downgrade+0x8f0/0x8f0
[ 2529.844236]  ? kasan_check_read+0x11/0x20
[ 2529.848403]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2529.852864] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2529.852991]  ? kasan_check_write+0x14/0x20
[ 2529.853008]  ? do_raw_spin_lock+0xc1/0x200
[ 2529.867957]  sget_userns+0x276/0x860
[ 2529.871677]  ? kill_litter_super+0x60/0x60
[ 2529.875919]  ? test_single_super+0x10/0x10
[ 2529.880160]  ? vfs_get_super+0x270/0x270
[ 2529.884231]  ? kasan_check_read+0x11/0x20
[ 2529.888397]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2529.892994]  ? kasan_check_write+0x14/0x20
[ 2529.897234]  ? do_raw_spin_lock+0xc1/0x200
[ 2529.901760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2529.904525] FAT-fs (loop4): bogus number of reserved sectors
[ 2529.907305]  ? ns_capable_common+0x13f/0x170
[ 2529.907323]  ? kill_litter_super+0x60/0x60
[ 2529.907339]  sget+0x10b/0x150
08:33:35 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xfeffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2529.907353]  ? test_single_super+0x10/0x10
[ 2529.907385]  mount_bdev+0x115/0x3e0
[ 2529.907405]  ? vfat_mount+0x50/0x50
[ 2529.913479] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2529.917677]  vfat_mount+0x3c/0x50
[ 2529.917690]  ? setup+0x120/0x120
[ 2529.917711]  legacy_get_tree+0x118/0x440
[ 2529.953190]  vfs_get_tree+0x1cb/0x5c0
[ 2529.957003]  ? vfs_set_fs_source+0x12c/0x180
[ 2529.961432]  do_mount+0x6c1/0x1fb0
[ 2529.965010]  ? kasan_check_write+0x14/0x20
[ 2529.969257]  ? copy_mount_string+0x40/0x40
[ 2529.973513]  ? kasan_kmalloc+0xc4/0xe0
[ 2529.977405]  ? kmem_cache_alloc_trace+0x318/0x780
[ 2529.982252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2529.987809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2529.993351]  ? copy_mount_options+0x285/0x380
[ 2529.997860]  ksys_mount+0x12d/0x140
[ 2530.001492]  __x64_sys_mount+0xbe/0x150
[ 2530.005491]  ? __x64_sys_mount+0x1/0x150
[ 2530.009558]  do_syscall_64+0x1b9/0x820
[ 2530.013447]  ? finish_task_switch+0x1d3/0x870
[ 2530.017948]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2530.022900]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2530.027841]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2530.032948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2530.038487]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2530.043509]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2530.048182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2530.053034]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2530.058230] RIP: 0033:0x45885a
[ 2530.061425] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2530.080761] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2530.088483] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2530.095763] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2530.103042] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2530.110321] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2530.117604] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000047
08:33:35 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000374f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2530.131742] FAT-fs (loop5): bogus number of reserved sectors
[ 2530.137633] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2530.145707] FAT-fs (loop7): bogus number of FAT structure
[ 2530.151445] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2530.170291] FAT-fs (loop5): bogus number of reserved sectors
08:33:35 executing program 6 (fault-call:1 fault-nth:72):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:35 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a14000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2530.175516] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2530.176249] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2530.189895] FAT-fs (loop4): bogus number of reserved sectors
[ 2530.195790] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2530.244822] FAULT_INJECTION: forcing a failure.
[ 2530.244822] name failslab, interval 1, probability 0, space 0, times 0
[ 2530.256394] CPU: 0 PID: 31771 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2530.264825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2530.274194] Call Trace:
[ 2530.276820]  dump_stack+0x1c9/0x2b4
[ 2530.280473]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2530.285695]  ? perf_trace_lock+0x49d/0x920
[ 2530.289954]  should_fail.cold.4+0xa/0x11
[ 2530.294034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2530.299173]  ? memset+0x31/0x40
[ 2530.302470]  ? perf_trace_lock+0x49d/0x920
[ 2530.306729]  ? lock_acquire+0x1e4/0x540
[ 2530.310712]  ? fs_reclaim_acquire+0x20/0x20
[ 2530.315043]  ? lock_downgrade+0x8f0/0x8f0
[ 2530.320129]  ? check_same_owner+0x340/0x340
[ 2530.324466]  ? rcu_note_context_switch+0x730/0x730
[ 2530.329401]  ? string+0x225/0x2d0
[ 2530.332872]  __should_failslab+0x124/0x180
[ 2530.337122]  should_failslab+0x9/0x14
[ 2530.340931]  kmem_cache_alloc_trace+0x2cb/0x780
[ 2530.345617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2530.351162]  ? bdev_name.isra.8+0x1a1/0x1f0
[ 2530.355501]  ? vfat_cmpi+0x570/0x570
[ 2530.359226]  fat_fill_super+0xed/0x4400
[ 2530.363211]  ? netdev_bits+0xb0/0xb0
[ 2530.366930]  ? format_decode+0x1b1/0xaf0
[ 2530.371012]  ? fat_flush_inodes+0x1a0/0x1a0
[ 2530.375353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2530.380896]  ? vsnprintf+0x20d/0x1b60
[ 2530.384715]  ? pointer+0x990/0x990
[ 2530.388274]  ? snprintf+0xae/0xe0
[ 2530.391733]  ? vsprintf+0x40/0x40
[ 2530.395211]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2530.400233]  ? set_blocksize+0x2c1/0x340
[ 2530.404311]  vfat_fill_super+0x31/0x40
[ 2530.408214]  mount_bdev+0x314/0x3e0
[ 2530.411850]  ? vfat_mount+0x50/0x50
[ 2530.415487]  vfat_mount+0x3c/0x50
[ 2530.418948]  ? setup+0x120/0x120
[ 2530.422322]  legacy_get_tree+0x118/0x440
[ 2530.426397]  vfs_get_tree+0x1cb/0x5c0
[ 2530.430200]  ? vfs_set_fs_source+0x12c/0x180
[ 2530.434620]  do_mount+0x6c1/0x1fb0
[ 2530.438166]  ? kasan_check_write+0x14/0x20
[ 2530.442416]  ? copy_mount_string+0x40/0x40
[ 2530.446665]  ? retint_kernel+0x10/0x10
[ 2530.450576]  ? copy_mount_options+0x1f0/0x380
[ 2530.455080]  ? copy_mount_options+0x1fa/0x380
[ 2530.459582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2530.465127]  ? copy_mount_options+0x285/0x380
[ 2530.469639]  ksys_mount+0x12d/0x140
[ 2530.473278]  __x64_sys_mount+0xbe/0x150
[ 2530.477265]  do_syscall_64+0x1b9/0x820
[ 2530.481159]  ? syscall_slow_exit_work+0x500/0x500
[ 2530.486012]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2530.490950]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2530.495891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2530.501435]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2530.506461]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2530.511141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2530.515999]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2530.521192] RIP: 0033:0x45885a
[ 2530.524378] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
08:33:36 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1e0", 0x16}], 0x0, &(0x7f0000000000))

08:33:36 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa03}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:36 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffffc3}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2530.543968] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2530.551688] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2530.558965] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2530.566235] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2530.573509] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2530.580783] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000048
08:33:36 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x7726}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2530.629630] FAT-fs (loop5): bogus number of reserved sectors
[ 2530.635579] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2530.646284] FAT-fs (loop2): invalid media value (0xe0)
[ 2530.651670] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2530.658193] FAT-fs (loop4): bogus number of reserved sectors
[ 2530.664129] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2530.686518] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2530.696334] FAT-fs (loop5): bogus number of reserved sectors
[ 2530.702225] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:36 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r3 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r4 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r0, &(0x7f0000000080), 0x0, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r4, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
ioctl$KDDISABIO(r3, 0x4b37)

08:33:36 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x2000000000000089)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:36 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a03000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

08:33:36 executing program 6 (fault-call:1 fault-nth:73):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:36 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xc0ffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:36 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x1f000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2530.740902] FAT-fs (loop4): bogus number of reserved sectors
[ 2530.746854] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2530.747925] FAT-fs (loop2): invalid media value (0xe0)
[ 2530.758174] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:36 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x100a000000000000}], 0x0, &(0x7f0000000000))

08:33:36 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x800000000000000}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:36 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a04000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2530.830914] FAT-fs (loop5): bogus number of reserved sectors
[ 2530.836826] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2530.838729] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2530.889460] FAT-fs (loop2): bogus number of reserved sectors
[ 2530.895463] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2530.901967] FAT-fs (loop5): bogus number of reserved sectors
[ 2530.907861] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2530.921879] FAT-fs (loop4): bogus number of reserved sectors
[ 2530.927762] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:36 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r3, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)
accept$alg(r0, 0x0, 0x0)

08:33:36 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x300}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:36 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0f000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2530.935548] FAT-fs (loop2): bogus number of reserved sectors
[ 2530.941448] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2530.977386] FAT-fs (loop4): bogus number of reserved sectors
[ 2530.984048] FAT-fs (loop4): Can't find a valid FAT filesystem
08:33:36 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xa5040000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2530.991665] FAT-fs (loop6): bogus number of reserved sectors
[ 2530.997572] FAT-fs (loop6): Can't find a valid FAT filesystem
[ 2531.020412] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2531.030372] FAULT_INJECTION: forcing a failure.
[ 2531.030372] name failslab, interval 1, probability 0, space 0, times 0
08:33:36 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a06030274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2531.041832] CPU: 1 PID: 31809 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2531.050252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2531.060174] Call Trace:
[ 2531.062783]  dump_stack+0x1c9/0x2b4
[ 2531.066436]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2531.071667]  ? perf_trace_lock+0xde/0x920
[ 2531.075831]  should_fail.cold.4+0xa/0x11
[ 2531.079904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2531.085029]  ? save_stack+0xa9/0xd0
[ 2531.088671]  ? kasan_kmalloc+0xc4/0xe0
[ 2531.092574]  ? kmem_cache_alloc_trace+0x152/0x780
[ 2531.097432]  ? kobject_uevent_env+0x20f/0x1110
[ 2531.102037]  ? kobject_uevent+0x1f/0x30
[ 2531.106029]  ? loop_clr_fd+0x62f/0xd60
[ 2531.108570] FAT-fs (loop5): bogus number of reserved sectors
[ 2531.109928]  ? lo_ioctl+0x875/0x1d70
[ 2531.109945]  ? blkdev_ioctl+0x9cd/0x2030
[ 2531.109964]  ? do_vfs_ioctl+0x1de/0x1720
[ 2531.109981]  ? ksys_ioctl+0xa9/0xd0
[ 2531.115817] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2531.119480]  ? __x64_sys_ioctl+0x73/0xb0
08:33:36 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xffffff9e}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:36 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x3f000000}], 0x0, &(0x7f0000000000))

[ 2531.119499]  ? do_syscall_64+0x1b9/0x820
[ 2531.119525]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2531.150540]  ? lock_acquire+0x1e4/0x540
[ 2531.154528]  ? fs_reclaim_acquire+0x20/0x20
[ 2531.159828]  ? lock_downgrade+0x8f0/0x8f0
[ 2531.164003]  ? check_same_owner+0x340/0x340
[ 2531.168339]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2531.172762]  ? rcu_note_context_switch+0x730/0x730
[ 2531.177712]  __should_failslab+0x124/0x180
[ 2531.181963]  should_failslab+0x9/0x14
[ 2531.185777]  __kmalloc+0x2c8/0x760
[ 2531.189331]  ? kobject_get_path+0xc2/0x1a0
[ 2531.193574]  kobject_get_path+0xc2/0x1a0
[ 2531.197640]  kobject_uevent_env+0x234/0x1110
[ 2531.202061]  kobject_uevent+0x1f/0x30
[ 2531.205464] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2531.205873]  loop_clr_fd+0x62f/0xd60
[ 2531.205892]  ? loop_attr_do_show_backing_file+0x1a0/0x1a0
[ 2531.205909]  lo_ioctl+0x875/0x1d70
[ 2531.225297]  ? lock_release+0xa30/0xa30
[ 2531.229327]  ? lo_rw_aio_complete+0x450/0x450
[ 2531.233831]  blkdev_ioctl+0x9cd/0x2030
[ 2531.237729]  ? lock_acquire+0x1e4/0x540
08:33:36 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8100000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

[ 2531.241715]  ? blkpg_ioctl+0xc40/0xc40
[ 2531.245609]  ? lock_release+0xa30/0xa30
[ 2531.249595]  ? kernel_text_address+0x79/0xf0
[ 2531.254011]  ? __kernel_text_address+0xd/0x40
[ 2531.258513]  ? unwind_get_return_address+0x61/0xa0
[ 2531.263448]  ? __save_stack_trace+0x8d/0xf0
[ 2531.267777]  ? __fget+0x4d5/0x740
[ 2531.271242]  ? ksys_dup3+0x690/0x690
[ 2531.274971]  ? __kasan_slab_free+0x11a/0x170
[ 2531.279392]  ? kfree+0xd9/0x260
[ 2531.282680]  ? ksys_mount+0xa3/0x140
[ 2531.286399]  ? __x64_sys_mount+0xbe/0x150
[ 2531.290558]  ? do_syscall_64+0x1b9/0x820
[ 2531.294625]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2531.300027]  block_ioctl+0xee/0x130
[ 2531.303663]  ? blkdev_fallocate+0x400/0x400
[ 2531.307991]  do_vfs_ioctl+0x1de/0x1720
[ 2531.311890]  ? kasan_check_write+0x14/0x20
[ 2531.314646] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2531.316128]  ? do_raw_spin_lock+0xc1/0x200
[ 2531.316146]  ? ioctl_preallocate+0x300/0x300
[ 2531.316162]  ? __fget_light+0x2f7/0x440
[ 2531.316175]  ? fget_raw+0x20/0x20
[ 2531.316192]  ? trace_hardirqs_off+0xd/0x10
[ 2531.316206]  ? quarantine_put+0x10d/0x1b0
[ 2531.316223]  ? __kasan_slab_free+0x131/0x170
[ 2531.316242]  ? security_file_ioctl+0x94/0xc0
[ 2531.316259]  ksys_ioctl+0xa9/0xd0
[ 2531.316272]  __x64_sys_ioctl+0x73/0xb0
[ 2531.316287]  do_syscall_64+0x1b9/0x820
[ 2531.316299]  ? finish_task_switch+0x1d3/0x870
[ 2531.316313]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2531.316327]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2531.316344]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[ 2531.316359]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2531.316374]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2531.316390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2531.316408]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2531.316418] RIP: 0033:0x455c97
[ 2531.316421] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 
[ 2531.413070] FAT-fs (loop2): bogus number of reserved sectors
[ 2531.428926] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 2531.428941] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 0000000000455c97
[ 2531.428948] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000016
[ 2531.428956] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2531.428963] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
[ 2531.428970] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 0000000000000049
[ 2531.479195] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2531.512729] FAT-fs (loop5): bogus number of reserved sectors
[ 2531.518627] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2531.524915] FAT-fs (loop2): bogus number of reserved sectors
[ 2531.530787] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2531.539074] FAT-fs (loop7): bogus number of directory entries (515)
[ 2531.545626] FAT-fs (loop7): Can't find a valid FAT filesystem
[ 2531.582548] FAT-fs (loop7): bogus number of directory entries (515)
[ 2531.589089] FAT-fs (loop7): Can't find a valid FAT filesystem
08:33:37 executing program 3:
perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x0, 0x0)
readv(r0, &(0x7f0000000100)=[{&(0x7f0000000000)=""/1, 0x1}], 0x20000000000000e4)
r1 = gettid()
timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f00000000c0))
tkill(r1, 0x1004000000016)

08:33:37 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000000000000}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:37 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x6800}], 0x0, &(0x7f0000000000))

08:33:37 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0xedc0}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

08:33:37 executing program 6 (fault-call:1 fault-nth:74):
perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0)
syz_mount_image$vfat(&(0x7f0000000040)='vfat\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f0000001340), 0x0, &(0x7f00000013c0)={[{@iocharset={'iocharset', 0x3d, 'utf8'}, 0x2c}, {@iocharset={'iocharset', 0x3d, 'cp862'}, 0x2c}]})

08:33:37 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xc000000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

08:33:37 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010abe000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2531.811554] FAT-fs (loop4): bogus number of reserved sectors
[ 2531.817550] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2531.822474] FAT-fs (loop5): bogus number of reserved sectors
[ 2531.825623] FAT-fs (loop2): bogus number of reserved sectors
[ 2531.829358] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2531.835188] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:37 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a10000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2531.863894] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2531.882487] FAT-fs (loop4): bogus number of reserved sectors
[ 2531.888681] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2531.898237] FAT-fs (loop2): bogus number of reserved sectors
[ 2531.904134] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:37 executing program 1:
r0 = open(&(0x7f0000000080)='./file0/file0\x00', 0x0, 0x8)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
r1 = getpgrp(0x0)
sched_setattr(r1, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r2}, 0x10)
r3 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r0, &(0x7f0000006a80)=[{{&(0x7f00000002c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000000780)=[{&(0x7f0000000140)=""/38, 0x26}, {&(0x7f0000000500)=""/251, 0xfb}, {&(0x7f0000000340)=""/179, 0xb3}, {&(0x7f0000000440)=""/85, 0x55}, {&(0x7f0000000240)=""/21, 0x15}, {&(0x7f0000000600)=""/104, 0x68}, {&(0x7f0000000680)=""/183, 0xb7}, {&(0x7f0000000740)=""/59, 0x3b}], 0x8, &(0x7f0000001300)=""/4096, 0x1000, 0x9}, 0xba}, {{&(0x7f0000000800)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000000a00)=[{&(0x7f0000000880)=""/193, 0xc1}, {&(0x7f0000002300)=""/4096, 0x1000}, {&(0x7f0000000980)=""/108, 0x6c}], 0x3, &(0x7f0000000a40)=""/160, 0xa0, 0x4}, 0x7}, {{&(0x7f0000000b00)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000d80)=[{&(0x7f0000000b80)=""/84, 0x54}, {&(0x7f0000000c00)=""/79, 0x4f}, {&(0x7f0000000c80)=""/27, 0x1b}, {&(0x7f0000003300)=""/4096, 0x1000}, {&(0x7f0000000cc0)=""/156, 0x9c}], 0x5, &(0x7f0000004300)=""/4096, 0x1000, 0x2}, 0x787}, {{&(0x7f0000000e00)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000000ec0)=[{&(0x7f0000000e80)=""/58, 0x3a}], 0x1, 0x0, 0x0, 0x80000000}, 0x26}, {{&(0x7f0000000f00)=@alg, 0x80, &(0x7f0000001140)=[{&(0x7f0000000f80)=""/62, 0x3e}, {&(0x7f0000000fc0)=""/110, 0x6e}, {&(0x7f0000001040)=""/243, 0xf3}], 0x3, &(0x7f0000001180)=""/47, 0x2f, 0x8}, 0x3c8}, {{0x0, 0x0, &(0x7f0000001280)=[{&(0x7f00000011c0)=""/151, 0x97}, {&(0x7f0000005300)=""/185, 0xb9}, {&(0x7f00000053c0)=""/199, 0xc7}], 0x3, 0x0, 0x0, 0x4}, 0x5}, {{&(0x7f00000054c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, 0x80, &(0x7f0000005740)=[{&(0x7f0000005540)=""/70, 0x46}, {&(0x7f00000055c0)=""/209, 0xd1}, {&(0x7f00000056c0)=""/98, 0x62}], 0x3, 0x0, 0x0, 0x9}, 0x4}, {{&(0x7f0000005780)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f0000005a40)=[{&(0x7f0000005800)=""/22, 0x16}, {&(0x7f0000005840)=""/128, 0x80}, {&(0x7f00000058c0)=""/198, 0xc6}, {&(0x7f00000059c0)=""/114, 0x72}], 0x4, &(0x7f0000005a80)=""/4096, 0x1000, 0x3}, 0xedfa}], 0x8, 0xfffffffffffffffe, &(0x7f00000000c0)={0x77359400})
ioctl$BLKGETSIZE64(r0, 0x80081272, &(0x7f0000006c80))
sendto$llc(r3, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:37 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0x7}], 0x0, &(0x7f0000000000))

08:33:37 executing program 0:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000140)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0xf0ffffffffffff}, 0xc, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8, 0x1b}]}, 0x28}, 0x1}, 0x0)

08:33:37 executing program 4:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x2, &(0x7f0000000580)=[{&(0x7f0000000900)="0c4d7637309c246118e795531e53963264fab60ccdcc4e7ddaf9d222110c2e1816b5e67ad3d2b2c4d0123919e80bb92a1aed6ffb9771a394b003f1c8e6a3602f3e5baa528f79a926338d407732c5995090bd98f7f8dcdc7cb5c4cb7660b8ab7a589819692733cf1192e181f5ac4d34a67b345054b3983a5ce25e0bfc73403a3fda3467000000000000000000", 0x8c, 0x10}, {&(0x7f0000000780)="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", 0x175, 0xfffffffffffffffd}], 0x0, &(0x7f00000000c0)={[{@dots='dots', 0x2c}, {@fat=@errors_continue='errors=continue', 0x2c}]})

[ 2531.943390] FAT-fs (loop5): bogus number of reserved sectors
[ 2531.949301] FAT-fs (loop5): Can't find a valid FAT filesystem
08:33:37 executing program 7:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a0a000274f1f8", 0x16}], 0x0, &(0x7f0000000000))

[ 2532.021782] FAT-fs (loop2): invalid media value (0x01)
[ 2532.027165] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:37 executing program 5:
r0 = socket$inet6(0xa, 0x1000000000002, 0x0)
ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f762070")
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xe0000}], 0x0, &(0x7f0000000180)={[{@fat=@tz_utc='tz=UTC', 0x2c}, {@dots='dots', 0x2c}, {@fat=@dmask={'dmask', 0x3d, 0x2}, 0x2c}, {@nodots='nodots', 0x2c}]})

[ 2532.064689] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
[ 2532.093375] FAT-fs (loop2): invalid media value (0x01)
[ 2532.098781] FAT-fs (loop2): Can't find a valid FAT filesystem
08:33:37 executing program 1:
r0 = open(&(0x7f0000000300)='./file0/file0\x00', 0x202, 0x2)
setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000100)={0x0, 0x66}, 0x8)
ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000140))
r1 = fcntl$getown(r0, 0x9)
getpgid(0x0)
ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000240)=<r2=>0x0)
ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000002c0)=<r3=>0x0)
ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000340))
ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000380)=<r4=>0x0)
r5 = getpgrp(r4)
sched_setattr(r5, &(0x7f00000001c0)={0x0, 0x2, 0x0, 0x0, 0x9}, 0x0)
clone(0x200, &(0x7f0000000280)="80000200008e91e6446151606f967b65088264139e16326625e2db237cca28439838eac2746b4709", &(0x7f0000000400), &(0x7f0000000200), &(0x7f0000000440))
open(&(0x7f0000000080)='./file0\x00', 0x10080, 0x30)
ioctl$UFFDIO_ZEROPAGE(r0, 0xc020aa04, &(0x7f0000000000)={{&(0x7f0000ffa000/0x3000)=nil, 0x3000}, 0x1})
r6 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/sequencer\x00', 0x200041, 0x0)
r7 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000180)={&(0x7f0000000040)='id_legacy\x00', r6}, 0x10)
r8 = syz_init_net_socket$llc(0x1a, 0x2, 0x0)
recvmmsg(r8, &(0x7f0000000080), 0x1, 0x0, &(0x7f00000000c0)={0x77359400})
getsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f0000000500)={{{@in6=@mcast2, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, <r9=>0x0}}, {{@in6=@dev}, 0x0, @in=@multicast2}}, &(0x7f0000000440)=0xe8)
r10 = geteuid()
sendmsg$netlink(r7, &(0x7f0000000600)={&(0x7f00000003c0)=@kern={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)=[{&(0x7f0000001300)={0x26b0, 0x2e, 0x10, 0x70bd2b, 0x25dfdbfe, "", [@nested={0x11a0, 0x30, [@generic="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", @typed={0x8, 0x3f, @u32=0xffffffff}, @generic="22091be83681ff731df5b8b9c913a35d1742354139bd2aa063a5092e5b3d5c6260f2d2c67f44148ba216ba3163837f32b2eed9af03175334a559efa9bfa057da77658d48fa053588d4887c9dd69b0fbae879593d6bd0864396bc477611ab54901c5b651d33a2735c532aed1cc2f221328dcbf0fdaf481e6f31cf18d0d1", @typed={0xc, 0x7c, @str='self\x00'}, @generic="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@typed={0x8, 0x7c, @ipv4=@multicast2=0xe0000002}, @typed={0x8, 0x3d, @pid=r2}, @generic="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", @typed={0x8, 0x67, @u32=0x6}]}, @typed={0x8, 0x7, @fd=r6}]}, 0x5814}, {&(0x7f0000009200)={0x1200, 0x2a, 0x200, 0x70bd2c, 0x25dfdbfd, "", [@nested={0xc, 0x63, [@typed={0x8, 0x2f, @ipv4=@remote={0xac, 0x14, 0x14, 0xbb}}]}, @nested={0xf8, 0x58, [@typed={0x8, 0x4, @uid=r10}, @generic="76405dd979d79c3ed9c066761b4bfda5a79e966fbe85afc2a72aff16160ae0c853f539facca759456443b02eab57094cc6000f0e70090a7d8bd7f68c88f6043508884796eeb21bdf6bb2f23f8aa1191d23f7cc429fdb5362617e9b464daef84bda11b9ea6f9398ef8f223f6d3f0cdce22f2f6be92e7379d70a8dd7d6a946fb3fcd92fdb7fbbce5bafa8d4ec04050744f2f07c5f71a3515ffec0493acd28f0c89839b916a91c8be689c5c3b200803ed2ca1d1f7a03948fb0c8dbf079955b1f23290c9630660ec2b8f29103722fb105b0760a8cb9ed7d1a0482c537954a3b52f524750f146112da42d5808"]}, @generic="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", @nested={0x64, 0x28, [@typed={0x4, 0x42}, @generic="e8ae607971372ff710a90585de5300a9a029ed424c6a57144c4d2c84514aeefc4fef15de0c210c7ee2bf41f90d002798fd881c775199ff78fd145191a4d2b28028be695e903acd35980712e7ee3057e511aecbcb3cb59dcdd56938"]}, @typed={0x28, 0x69, @binary="2367c1cea748dbec4d3c314499d8ea333aab67858deae6496b6fd1e69af0976e3612"}, @generic="7a50767bc654928837009dd7c4e3173d0e2cef12d2d266f5ff8c8d2b352c5973f611f900f8a6267f7e71836047fe1d8a678748d7b890052d13c06621c2f488a8fc11f4604a0b1eb4b60e2d24eef9ba4745ef19f5a4db479023760b0d758dae"]}, 0x1200}], 0x3, 0x0, 0x0, 0x10}, 0x1)
sendto$llc(r8, &(0x7f0000000340), 0x0, 0x0, &(0x7f00000012c0)={0x1a, 0x304, 0x0, 0x0, 0x0, 0x0, @link_local={0x1, 0x80, 0xc2}}, 0x10)

08:33:37 executing program 2:
syz_mount_image$msdos(&(0x7f0000000100)='msdos\x00', &(0x7f0000000140)='./file0\x00', 0x40000000000e900, 0x1, &(0x7f0000000040)=[{&(0x7f0000000200)="eb2c906d6b66732e666174000404010a02000274f1f8", 0x16, 0xff07040000000000}], 0x0, &(0x7f0000000000))

[ 2532.125121] FAT-fs (loop4): bogus number of reserved sectors
[ 2532.131205] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2532.134215] FAT-fs (loop5): bogus number of reserved sectors
[ 2532.143048] FAT-fs (loop5): Can't find a valid FAT filesystem
[ 2532.179624] FAULT_INJECTION: forcing a failure.
[ 2532.179624] name failslab, interval 1, probability 0, space 0, times 0
[ 2532.188802] FAT-fs (loop4): bogus number of reserved sectors
[ 2532.191045] CPU: 1 PID: 31888 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2532.196834] FAT-fs (loop4): Can't find a valid FAT filesystem
[ 2532.205210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2532.205217] Call Trace:
[ 2532.205248]  dump_stack+0x1c9/0x2b4
[ 2532.205263]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2532.205291]  ? rcu_cleanup_dead_rnp+0x200/0x200
[ 2532.235596] FAT-fs (loop2): bogus number of reserved sectors
[ 2532.236565]  ? zap_class+0x740/0x740
[ 2532.236582]  ? perf_trace_lock+0xde/0x920
[ 2532.236609]  should_fail.cold.4+0xa/0x11
[ 2532.242419] FAT-fs (loop2): Can't find a valid FAT filesystem
[ 2532.246188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[ 2532.246208]  ? unwind_get_return_address+0x61/0xa0
[ 2532.270323]  ? __save_stack_trace+0x8d/0xf0
[ 2532.274672]  ? save_stack+0xa9/0xd0
[ 2532.278319]  ? save_stack+0x43/0xd0
[ 2532.281952]  ? __kasan_slab_free+0x11a/0x170
[ 2532.286361]  ? kasan_slab_free+0xe/0x10
[ 2532.290336]  ? kfree+0xd9/0x260
[ 2532.293618]  ? parse_options+0xc70/0x1a10
[ 2532.297764]  ? fat_fill_super+0x2b3/0x4400
[ 2532.302006]  ? lock_acquire+0x1e4/0x540
[ 2532.305984]  ? fs_reclaim_acquire+0x20/0x20
[ 2532.310311]  ? lock_downgrade+0x8f0/0x8f0
[ 2532.314463]  ? do_raw_spin_trylock+0x1c0/0x1c0
[ 2532.319062]  ? check_same_owner+0x340/0x340
[ 2532.323415]  ? trace_hardirqs_off+0xd/0x10
[ 2532.327666]  ? rcu_note_context_switch+0x730/0x730
[ 2532.332597]  ? debug_check_no_obj_freed+0x30b/0x595
[ 2532.337620]  __should_failslab+0x124/0x180
[ 2532.341861]  should_failslab+0x9/0x14
[ 2532.345666]  __kmalloc+0x2c8/0x760
[ 2532.349212]  ? match_strdup+0x5e/0xa0
[ 2532.353017]  match_strdup+0x5e/0xa0
[ 2532.356679]  parse_options+0xc7d/0x1a10
[ 2532.360655]  ? lock_acquire+0x1e4/0x540
[ 2532.364641]  ? fat_alloc_inode+0x70/0x70
[ 2532.368712]  ? __ia32_sys_membarrier+0x150/0x150
[ 2532.373481]  ? __lockdep_init_map+0x105/0x590
[ 2532.377983]  ? vfat_cmpi+0x570/0x570
[ 2532.381696]  fat_fill_super+0x2b3/0x4400
[ 2532.385783]  ? netdev_bits+0xb0/0xb0
[ 2532.389524]  ? format_decode+0x1b1/0xaf0
[ 2532.393597]  ? fat_flush_inodes+0x1a0/0x1a0
[ 2532.397937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2532.403475]  ? vsnprintf+0x20d/0x1b60
[ 2532.407284]  ? pointer+0x990/0x990
[ 2532.410834]  ? snprintf+0xae/0xe0
[ 2532.414287]  ? vsprintf+0x40/0x40
[ 2532.417745]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2532.422762]  ? set_blocksize+0x2c1/0x340
[ 2532.426831]  vfat_fill_super+0x31/0x40
[ 2532.430725]  mount_bdev+0x314/0x3e0
[ 2532.434355]  ? vfat_mount+0x50/0x50
[ 2532.437986]  vfat_mount+0x3c/0x50
[ 2532.441442]  ? setup+0x120/0x120
[ 2532.444813]  legacy_get_tree+0x118/0x440
[ 2532.448880]  vfs_get_tree+0x1cb/0x5c0
[ 2532.452683]  ? vfs_set_fs_source+0x12c/0x180
[ 2532.457096]  do_mount+0x6c1/0x1fb0
[ 2532.460642]  ? copy_mount_string+0x40/0x40
[ 2532.464887]  ? retint_kernel+0x10/0x10
[ 2532.468784]  ? copy_mount_options+0x213/0x380
[ 2532.473286]  ? write_comp_data+0x1b/0x70
[ 2532.477353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2532.482894]  ? copy_mount_options+0x285/0x380
[ 2532.487398]  ksys_mount+0x12d/0x140
[ 2532.491033]  __x64_sys_mount+0xbe/0x150
[ 2532.495011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2532.500552]  do_syscall_64+0x1b9/0x820
[ 2532.504447]  ? syscall_slow_exit_work+0x500/0x500
[ 2532.509390]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2532.514339]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2532.519276]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2532.524298]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2532.528974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2532.533826]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2532.539014] RIP: 0033:0x45885a
[ 2532.542209] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2532.561526] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2532.569257] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2532.576617] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2532.583888] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2532.591160] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2532.598432] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000004a
[ 2532.605791] ==================================================================
[ 2532.613176] BUG: KASAN: double-free or invalid-free in fat_fill_super+0xc84/0x4400
[ 2532.620877] 
[ 2532.622511] CPU: 1 PID: 31888 Comm: syz-executor6 Not tainted 4.18.0-rc4-next-20180711+ #4
[ 2532.630921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2532.640273] Call Trace:
[ 2532.642871]  dump_stack+0x1c9/0x2b4
[ 2532.646512]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2532.651703]  ? printk+0xa7/0xcf
[ 2532.654985]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 2532.659755]  ? fat_fill_super+0xc84/0x4400
[ 2532.663995]  ? fat_fill_super+0xc84/0x4400
[ 2532.668254]  ? vfat_cmpi+0x570/0x570
[ 2532.671978]  print_address_description+0x6c/0x20b
[ 2532.676821]  ? fat_fill_super+0xc84/0x4400
[ 2532.681060]  ? fat_fill_super+0xc84/0x4400
[ 2532.685295]  ? vfat_cmpi+0x570/0x570
[ 2532.689010]  kasan_report_invalid_free+0x64/0xa0
[ 2532.693769]  __kasan_slab_free+0x150/0x170
[ 2532.698004]  ? fat_fill_super+0xc84/0x4400
[ 2532.702272]  kasan_slab_free+0xe/0x10
[ 2532.706081]  kfree+0xd9/0x260
[ 2532.709194]  fat_fill_super+0xc84/0x4400
[ 2532.713258]  ? netdev_bits+0xb0/0xb0
[ 2532.716973]  ? format_decode+0x1b1/0xaf0
[ 2532.721044]  ? fat_flush_inodes+0x1a0/0x1a0
[ 2532.725377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2532.730913]  ? vsnprintf+0x20d/0x1b60
[ 2532.734703]  ? pointer+0x990/0x990
[ 2532.738234]  ? snprintf+0xae/0xe0
[ 2532.741684]  ? vsprintf+0x40/0x40
[ 2532.745129]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2532.750135]  ? set_blocksize+0x2c1/0x340
[ 2532.754185]  vfat_fill_super+0x31/0x40
[ 2532.758064]  mount_bdev+0x314/0x3e0
[ 2532.761677]  ? vfat_mount+0x50/0x50
[ 2532.765304]  vfat_mount+0x3c/0x50
[ 2532.768745]  ? setup+0x120/0x120
[ 2532.772099]  legacy_get_tree+0x118/0x440
[ 2532.776162]  vfs_get_tree+0x1cb/0x5c0
[ 2532.779950]  ? vfs_set_fs_source+0x12c/0x180
[ 2532.784350]  do_mount+0x6c1/0x1fb0
[ 2532.787878]  ? copy_mount_string+0x40/0x40
[ 2532.792119]  ? retint_kernel+0x10/0x10
[ 2532.795995]  ? copy_mount_options+0x213/0x380
[ 2532.800485]  ? write_comp_data+0x1b/0x70
[ 2532.804533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2532.810056]  ? copy_mount_options+0x285/0x380
[ 2532.814541]  ksys_mount+0x12d/0x140
[ 2532.818156]  __x64_sys_mount+0xbe/0x150
[ 2532.822123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2532.827653]  do_syscall_64+0x1b9/0x820
[ 2532.831527]  ? syscall_slow_exit_work+0x500/0x500
[ 2532.836359]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2532.841275]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2532.846195]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2532.851198]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2532.855856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2532.860695]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2532.865870] RIP: 0033:0x45885a
[ 2532.869041] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2532.888247] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2532.895958] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2532.903213] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2532.910467] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2532.917721] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2532.924977] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000004a
[ 2532.932237] 
[ 2532.933851] Allocated by task 31888:
[ 2532.937556]  save_stack+0x43/0xd0
[ 2532.941097]  kasan_kmalloc+0xc4/0xe0
[ 2532.944803]  __kmalloc+0x14e/0x760
[ 2532.948335]  match_strdup+0x5e/0xa0
[ 2532.951958]  parse_options+0xc7d/0x1a10
[ 2532.955916]  fat_fill_super+0x2b3/0x4400
[ 2532.959962]  vfat_fill_super+0x31/0x40
[ 2532.963836]  mount_bdev+0x314/0x3e0
[ 2532.967449]  vfat_mount+0x3c/0x50
[ 2532.970888]  legacy_get_tree+0x118/0x440
[ 2532.974940]  vfs_get_tree+0x1cb/0x5c0
[ 2532.978726]  do_mount+0x6c1/0x1fb0
[ 2532.982250]  ksys_mount+0x12d/0x140
[ 2532.985861]  __x64_sys_mount+0xbe/0x150
[ 2532.989821]  do_syscall_64+0x1b9/0x820
[ 2532.993694]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2532.998861] 
[ 2533.000469] Freed by task 31888:
[ 2533.003840]  save_stack+0x43/0xd0
[ 2533.007282]  __kasan_slab_free+0x11a/0x170
[ 2533.011502]  kasan_slab_free+0xe/0x10
[ 2533.015289]  kfree+0xd9/0x260
[ 2533.018378]  parse_options+0xc70/0x1a10
[ 2533.022336]  fat_fill_super+0x2b3/0x4400
[ 2533.026381]  vfat_fill_super+0x31/0x40
[ 2533.030255]  mount_bdev+0x314/0x3e0
[ 2533.033866]  vfat_mount+0x3c/0x50
[ 2533.037303]  legacy_get_tree+0x118/0x440
[ 2533.041349]  vfs_get_tree+0x1cb/0x5c0
[ 2533.045146]  do_mount+0x6c1/0x1fb0
[ 2533.048673]  ksys_mount+0x12d/0x140
[ 2533.052285]  __x64_sys_mount+0xbe/0x150
[ 2533.056247]  do_syscall_64+0x1b9/0x820
[ 2533.060127]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2533.065299] 
[ 2533.066913] The buggy address belongs to the object at ffff880190d60c80
[ 2533.066913]  which belongs to the cache kmalloc-32 of size 32
[ 2533.079389] The buggy address is located 0 bytes inside of
[ 2533.079389]  32-byte region [ffff880190d60c80, ffff880190d60ca0)
[ 2533.090984] The buggy address belongs to the page:
[ 2533.095903] page:ffffea0006435800 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff880190d60fc1
[ 2533.105335] flags: 0x2fffc0000000100(slab)
[ 2533.109559] raw: 02fffc0000000100 ffffea00073fe648 ffffea00060af588 ffff8801da8001c0
[ 2533.117427] raw: ffff880190d60fc1 ffff880190d60000 000000010000000d 0000000000000000
[ 2533.125288] page dumped because: kasan: bad access detected
[ 2533.130985] 
[ 2533.132594] Memory state around the buggy address:
[ 2533.137511]  ffff880190d60b80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 2533.144862]  ffff880190d60c00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 2533.152215] >ffff880190d60c80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 2533.159553]                    ^
[ 2533.162899]  ffff880190d60d00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 2533.170241]  ffff880190d60d80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 2533.177579] ==================================================================
[ 2533.184931] Kernel panic - not syncing: panic_on_warn set ...
[ 2533.184931] 
[ 2533.192282] CPU: 1 PID: 31888 Comm: syz-executor6 Tainted: G    B             4.18.0-rc4-next-20180711+ #4
[ 2533.202053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 2533.211400] Call Trace:
[ 2533.213990]  dump_stack+0x1c9/0x2b4
[ 2533.217618]  ? dump_stack_print_info.cold.2+0x52/0x52
[ 2533.222796]  ? lock_downgrade+0x8f0/0x8f0
[ 2533.226939]  ? fat_fill_super+0xc84/0x4400
[ 2533.231157]  ? fat_fill_super+0xbc0/0x4400
[ 2533.235386]  ? vfat_cmpi+0x570/0x570
[ 2533.239100]  panic+0x238/0x4e7
[ 2533.242365]  ? add_taint.cold.5+0x16/0x16
[ 2533.246501]  ? print_shadow_for_address+0xba/0x116
[ 2533.251425]  ? do_raw_spin_unlock+0xa7/0x2f0
[ 2533.255819]  ? fat_fill_super+0xc84/0x4400
[ 2533.260039]  ? fat_fill_super+0xc84/0x4400
[ 2533.264268]  ? vfat_cmpi+0x570/0x570
[ 2533.267966]  kasan_end_report+0x47/0x4f
[ 2533.271927]  kasan_report_invalid_free+0x81/0xa0
[ 2533.276672]  __kasan_slab_free+0x150/0x170
[ 2533.280890]  ? fat_fill_super+0xc84/0x4400
[ 2533.285108]  kasan_slab_free+0xe/0x10
[ 2533.288902]  kfree+0xd9/0x260
[ 2533.291996]  fat_fill_super+0xc84/0x4400
[ 2533.296045]  ? netdev_bits+0xb0/0xb0
[ 2533.299743]  ? format_decode+0x1b1/0xaf0
[ 2533.303791]  ? fat_flush_inodes+0x1a0/0x1a0
[ 2533.308103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 2533.313621]  ? vsnprintf+0x20d/0x1b60
[ 2533.317409]  ? pointer+0x990/0x990
[ 2533.320937]  ? snprintf+0xae/0xe0
[ 2533.324378]  ? vsprintf+0x40/0x40
[ 2533.327818]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 2533.332818]  ? set_blocksize+0x2c1/0x340
[ 2533.336868]  vfat_fill_super+0x31/0x40
[ 2533.340742]  mount_bdev+0x314/0x3e0
[ 2533.344366]  ? vfat_mount+0x50/0x50
[ 2533.347991]  vfat_mount+0x3c/0x50
[ 2533.351432]  ? setup+0x120/0x120
[ 2533.354782]  legacy_get_tree+0x118/0x440
[ 2533.358833]  vfs_get_tree+0x1cb/0x5c0
[ 2533.362616]  ? vfs_set_fs_source+0x12c/0x180
[ 2533.367014]  do_mount+0x6c1/0x1fb0
[ 2533.370543]  ? copy_mount_string+0x40/0x40
[ 2533.374774]  ? retint_kernel+0x10/0x10
[ 2533.378653]  ? copy_mount_options+0x213/0x380
[ 2533.383133]  ? write_comp_data+0x1b/0x70
[ 2533.387182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2533.392705]  ? copy_mount_options+0x285/0x380
[ 2533.397187]  ksys_mount+0x12d/0x140
[ 2533.400800]  __x64_sys_mount+0xbe/0x150
[ 2533.404769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 2533.410293]  do_syscall_64+0x1b9/0x820
[ 2533.414164]  ? syscall_slow_exit_work+0x500/0x500
[ 2533.419270]  ? syscall_return_slowpath+0x5e0/0x5e0
[ 2533.424195]  ? syscall_return_slowpath+0x31d/0x5e0
[ 2533.429123]  ? prepare_exit_to_usermode+0x291/0x3b0
[ 2533.434125]  ? perf_trace_sys_enter+0xb10/0xb10
[ 2533.438798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 2533.443629]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 2533.448804] RIP: 0033:0x45885a
[ 2533.451972] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 8f fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 8f fb ff c3 66 0f 1f 84 00 00 00 00 00 
[ 2533.471184] RSP: 002b:00007fd0b961ea88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 2533.478878] RAX: ffffffffffffffda RBX: 00007fd0b961eb30 RCX: 000000000045885a
[ 2533.486142] RDX: 00007fd0b961ead0 RSI: 0000000020000080 RDI: 00007fd0b961eaf0
[ 2533.493398] RBP: 0000000020000080 R08: 00007fd0b961eb30 R09: 00007fd0b961ead0
[ 2533.500834] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000015
[ 2533.508101] R13: 0000000000000000 R14: 00000000004d3fd0 R15: 000000000000004a
[ 2533.515902] Dumping ftrace buffer:
[ 2533.519433]    (ftrace buffer empty)
[ 2533.523133] Kernel Offset: disabled
[ 2533.526753] Rebooting in 86400 seconds..