Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. 2021/05/26 10:02:19 fuzzer started 2021/05/26 10:02:20 dialing manager at 10.128.0.163:33501 2021/05/26 10:02:20 syscalls: 1997 2021/05/26 10:02:20 code coverage: enabled 2021/05/26 10:02:20 comparison tracing: enabled 2021/05/26 10:02:20 extra coverage: enabled 2021/05/26 10:02:20 setuid sandbox: enabled 2021/05/26 10:02:20 namespace sandbox: enabled 2021/05/26 10:02:20 Android sandbox: enabled 2021/05/26 10:02:20 fault injection: enabled 2021/05/26 10:02:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/26 10:02:20 net packet injection: /dev/net/tun does not exist 2021/05/26 10:02:20 net device setup: enabled 2021/05/26 10:02:20 concurrency sanitizer: enabled 2021/05/26 10:02:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/26 10:02:20 USB emulation: /dev/raw-gadget does not exist 2021/05/26 10:02:20 hci packet injection: /dev/vhci does not exist 2021/05/26 10:02:20 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 2021/05/26 10:02:20 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 2021/05/26 10:02:20 suppressing KCSAN reports in functions: 'blk_mq_dispatch_rq_list' '_find_next_bit' 'ext4_free_inodes_count' 2021/05/26 10:02:20 fetching corpus: 0, signal 0/2000 (executing program) 2021/05/26 10:02:20 fetching corpus: 50, signal 19752/22268 (executing program) 2021/05/26 10:02:20 fetching corpus: 100, signal 29413/32135 (executing program) 2021/05/26 10:02:20 fetching corpus: 150, signal 35697/38444 (executing program) 2021/05/26 10:02:20 fetching corpus: 200, signal 41243/43618 (executing program) 2021/05/26 10:02:20 fetching corpus: 250, signal 45866/47694 (executing program) 2021/05/26 10:02:20 fetching corpus: 300, signal 48306/49790 (executing program) 2021/05/26 10:02:20 fetching corpus: 348, signal 51261/52104 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52130/52798 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/52892 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/52968 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53048 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53115 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53175 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53257 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53318 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53405 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53481 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53564 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53645 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53711 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53797 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53854 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53926 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/53994 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/54049 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/54117 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/54120 (executing program) 2021/05/26 10:02:20 fetching corpus: 361, signal 52138/54120 (executing program) 2021/05/26 10:02:22 starting 6 fuzzer processes 10:02:22 executing program 0: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000001a40)="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", 0x10e}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 10:02:22 executing program 1: r0 = memfd_create(&(0x7f0000000900)='Y\xff\xff\x00\x00\x00\x00\x00K\xb2\x02\x80B\xe9\xe8\xcc\xde\x06\x00l\xa8\x1aJ\xaf\xb2M\xba\xb8_\x05U\xcd<|>\x9e\xec^\x0e\xbe\x18+-\x9b\x893\x02\x00\xa6\x1f+\xb3\xc5\x90z5\xe0\xdfi\xb7\x9f\xb4QW\xc9\xc9\x92\x03\t\x00\x00\x00\x00\x00\xb2\x0f\xee\xbe\f8\xcc\x7f\x00\x00\x00Z\x81\x00\x00\x00\x00\x18I\x13\xf1\xa2x\x04\x81R\xd45R\xae\x84\xcdN\xf7\xf6\b~\xed_M^dQ:\xbc\xafq\x88\x19nSF|;]\xe1A\x8c\x8a\x98\xd7|\xdcLF\r\xb1\xfd\xbf!\xc7u\xccP\xdd\x13~\x89\xcf\x85\xca\xa0%\xc6\xc7\x11\x00\x00\x00\x00\x00\x00\x00?M9\\\av~\'\xd9\xb0\xacdya]8\x9d\xb7\v\xf39\xc5{\x9c!\x0f/\xb8o8\xb9\x8d\x19\xe2\xca\x01y\x83\xe7\ng\x87\xd930xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000100)=[{0x28, 0x0, 0x0, 0xfffff038}, {0x6}]}, 0x10) 10:02:22 executing program 3: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) 10:02:22 executing program 4: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) syzkaller login: [ 20.441897][ T25] audit: type=1400 audit(1622023342.059:8): avc: denied { execmem } for pid=1768 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.546763][ T1776] cgroup: Unknown subsys name 'perf_event' [ 20.575086][ T1776] cgroup: Unknown subsys name 'net_cls' [ 20.575378][ T1775] cgroup: Unknown subsys name 'perf_event' [ 20.589649][ T1777] cgroup: Unknown subsys name 'perf_event' [ 20.604095][ T1777] cgroup: Unknown subsys name 'net_cls' [ 20.611322][ T1775] cgroup: Unknown subsys name 'net_cls' [ 20.616123][ T1780] cgroup: Unknown subsys name 'perf_event' [ 20.631259][ T1783] cgroup: Unknown subsys name 'perf_event' [ 20.637704][ T1780] cgroup: Unknown subsys name 'net_cls' [ 20.638259][ T1786] cgroup: Unknown subsys name 'perf_event' [ 20.645599][ T1783] cgroup: Unknown subsys name 'net_cls' [ 20.655366][ T1786] cgroup: Unknown subsys name 'net_cls' 10:02:26 executing program 1: r0 = memfd_create(&(0x7f0000000900)='Y\xff\xff\x00\x00\x00\x00\x00K\xb2\x02\x80B\xe9\xe8\xcc\xde\x06\x00l\xa8\x1aJ\xaf\xb2M\xba\xb8_\x05U\xcd<|>\x9e\xec^\x0e\xbe\x18+-\x9b\x893\x02\x00\xa6\x1f+\xb3\xc5\x90z5\xe0\xdfi\xb7\x9f\xb4QW\xc9\xc9\x92\x03\t\x00\x00\x00\x00\x00\xb2\x0f\xee\xbe\f8\xcc\x7f\x00\x00\x00Z\x81\x00\x00\x00\x00\x18I\x13\xf1\xa2x\x04\x81R\xd45R\xae\x84\xcdN\xf7\xf6\b~\xed_M^dQ:\xbc\xafq\x88\x19nSF|;]\xe1A\x8c\x8a\x98\xd7|\xdcLF\r\xb1\xfd\xbf!\xc7u\xccP\xdd\x13~\x89\xcf\x85\xca\xa0%\xc6\xc7\x11\x00\x00\x00\x00\x00\x00\x00?M9\\\av~\'\xd9\xb0\xacdya]8\x9d\xb7\v\xf39\xc5{\x9c!\x0f/\xb8o8\xb9\x8d\x19\xe2\xca\x01y\x83\xe7\ng\x87\xd930xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000100)=[{0x28, 0x0, 0x0, 0xfffff038}, {0x6}]}, 0x10) 10:02:26 executing program 0: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000001a40)="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", 0x10e}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 10:02:26 executing program 1: r0 = memfd_create(&(0x7f0000000900)='Y\xff\xff\x00\x00\x00\x00\x00K\xb2\x02\x80B\xe9\xe8\xcc\xde\x06\x00l\xa8\x1aJ\xaf\xb2M\xba\xb8_\x05U\xcd<|>\x9e\xec^\x0e\xbe\x18+-\x9b\x893\x02\x00\xa6\x1f+\xb3\xc5\x90z5\xe0\xdfi\xb7\x9f\xb4QW\xc9\xc9\x92\x03\t\x00\x00\x00\x00\x00\xb2\x0f\xee\xbe\f8\xcc\x7f\x00\x00\x00Z\x81\x00\x00\x00\x00\x18I\x13\xf1\xa2x\x04\x81R\xd45R\xae\x84\xcdN\xf7\xf6\b~\xed_M^dQ:\xbc\xafq\x88\x19nSF|;]\xe1A\x8c\x8a\x98\xd7|\xdcLF\r\xb1\xfd\xbf!\xc7u\xccP\xdd\x13~\x89\xcf\x85\xca\xa0%\xc6\xc7\x11\x00\x00\x00\x00\x00\x00\x00?M9\\\av~\'\xd9\xb0\xacdya]8\x9d\xb7\v\xf39\xc5{\x9c!\x0f/\xb8o8\xb9\x8d\x19\xe2\xca\x01y\x83\xe7\ng\x87\xd930xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000100)=[{0x28, 0x0, 0x0, 0xfffff038}, {0x6}]}, 0x10) [ 25.364204][ C1] hrtimer: interrupt took 45431 ns 10:02:27 executing program 1: r0 = memfd_create(&(0x7f0000000900)='Y\xff\xff\x00\x00\x00\x00\x00K\xb2\x02\x80B\xe9\xe8\xcc\xde\x06\x00l\xa8\x1aJ\xaf\xb2M\xba\xb8_\x05U\xcd<|>\x9e\xec^\x0e\xbe\x18+-\x9b\x893\x02\x00\xa6\x1f+\xb3\xc5\x90z5\xe0\xdfi\xb7\x9f\xb4QW\xc9\xc9\x92\x03\t\x00\x00\x00\x00\x00\xb2\x0f\xee\xbe\f8\xcc\x7f\x00\x00\x00Z\x81\x00\x00\x00\x00\x18I\x13\xf1\xa2x\x04\x81R\xd45R\xae\x84\xcdN\xf7\xf6\b~\xed_M^dQ:\xbc\xafq\x88\x19nSF|;]\xe1A\x8c\x8a\x98\xd7|\xdcLF\r\xb1\xfd\xbf!\xc7u\xccP\xdd\x13~\x89\xcf\x85\xca\xa0%\xc6\xc7\x11\x00\x00\x00\x00\x00\x00\x00?M9\\\av~\'\xd9\xb0\xacdya]8\x9d\xb7\v\xf39\xc5{\x9c!\x0f/\xb8o8\xb9\x8d\x19\xe2\xca\x01y\x83\xe7\ng\x87\xd930xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000100)=[{0x28, 0x0, 0x0, 0xfffff038}, {0x6}]}, 0x10) 10:02:27 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:27 executing program 4: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) 10:02:27 executing program 1: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) 10:02:27 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:27 executing program 3: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) 10:02:27 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) [ 25.642123][ T244] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 25.719163][ T4584] loop2: detected capacity change from 0 to 264192 [ 25.738157][ T4584] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 25.993770][ T1793] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:29 executing program 0: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000001a40)="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", 0x10e}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 10:02:29 executing program 4: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) 10:02:29 executing program 3: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) 10:02:29 executing program 1: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) 10:02:29 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:29 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:29 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:30 executing program 4: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:30 executing program 1: perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) fsetxattr$security_selinux(r0, &(0x7f0000000080), &(0x7f00000000c0)='system_u:object_r:wtmp_t:s0\x00', 0x1c, 0x0) [ 28.335855][ T4606] loop2: detected capacity change from 0 to 264192 [ 28.348033][ T4606] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:30 executing program 4: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:30 executing program 3: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) 10:02:30 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) [ 28.616418][ T4606] ================================================================== [ 28.624569][ T4606] BUG: KCSAN: data-race in __xa_clear_mark / xas_find_marked [ 28.631930][ T4606] [ 28.634371][ T4606] write to 0xffff8881065c0d70 of 8 bytes by interrupt on cpu 1: [ 28.641999][ T4606] __xa_clear_mark+0x1d9/0x2c0 [ 28.646747][ T4606] test_clear_page_writeback+0x23e/0x560 [ 28.652369][ T4606] end_page_writeback+0xd7/0x1b0 [ 28.657313][ T4606] page_endio+0x1cc/0x280 [ 28.661684][ T4606] mpage_end_io+0x186/0x1d0 [ 28.666192][ T4606] bio_endio+0x21d/0x300 [ 28.670440][ T4606] blk_update_request+0x435/0xa30 [ 28.675467][ T4606] blk_mq_end_request+0x22/0x50 [ 28.680322][ T4606] lo_complete_rq+0xca/0x170 [ 28.684913][ T4606] blk_done_softirq+0x69/0x90 [ 28.689580][ T4606] __do_softirq+0x12c/0x275 [ 28.694083][ T4606] run_ksoftirqd+0x13/0x20 [ 28.698537][ T4606] smpboot_thread_fn+0x2a1/0x3f0 [ 28.703475][ T4606] kthread+0x1d0/0x1f0 [ 28.707524][ T4606] ret_from_fork+0x1f/0x30 [ 28.711964][ T4606] [ 28.714283][ T4606] read to 0xffff8881065c0d70 of 8 bytes by task 4606 on cpu 0: [ 28.721837][ T4606] xas_find_marked+0x195/0x5f0 [ 28.726591][ T4606] find_get_pages_range_tag+0xf2/0x390 [ 28.732050][ T4606] pagevec_lookup_range_tag+0x37/0x50 [ 28.737404][ T4606] __filemap_fdatawait_range+0xab/0x1b0 [ 28.743036][ T4606] filemap_write_and_wait_range+0x264/0x390 [ 28.749033][ T4606] __generic_file_write_iter+0x231/0x300 [ 28.754676][ T4606] generic_file_write_iter+0x75/0x130 [ 28.760030][ T4606] do_iter_readv_writev+0x2cb/0x360 [ 28.765222][ T4606] do_iter_write+0x112/0x4c0 [ 28.769790][ T4606] vfs_iter_write+0x4c/0x70 [ 28.774494][ T4606] iter_file_splice_write+0x40a/0x750 [ 28.779947][ T4606] direct_splice_actor+0x80/0xa0 [ 28.784864][ T4606] splice_direct_to_actor+0x345/0x650 [ 28.790219][ T4606] do_splice_direct+0xf5/0x170 [ 28.794965][ T4606] do_sendfile+0x773/0xda0 [ 28.799380][ T4606] __x64_sys_sendfile64+0xf2/0x130 [ 28.804483][ T4606] do_syscall_64+0x4a/0x90 [ 28.808966][ T4606] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 28.814967][ T4606] [ 28.817271][ T4606] Reported by Kernel Concurrency Sanitizer on: [ 28.823414][ T4606] CPU: 0 PID: 4606 Comm: syz-executor.2 Not tainted 5.13.0-rc3-syzkaller #0 [ 28.832079][ T4606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.842133][ T4606] ================================================================== [ 28.925346][ T1793] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:32 executing program 0: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000001a40)="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", 0x10e}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r0, 0x0, 0x0) 10:02:32 executing program 4: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:32 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:32 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) 10:02:32 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:32 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:32 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:33 executing program 5: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) dup2(r1, r0) getsockopt$SO_BINDTODEVICE(r0, 0x6, 0x6, &(0x7f0000000000), 0x20a154cc) [ 31.345058][ T4655] loop2: detected capacity change from 0 to 264192 [ 31.372238][ T4668] loop1: detected capacity change from 0 to 264192 [ 31.381180][ T4668] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 31.399964][ T4671] loop3: detected capacity change from 0 to 264192 [ 31.410033][ T4672] loop4: detected capacity change from 0 to 264192 [ 31.412190][ T4671] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 31.419348][ T4655] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:33 executing program 5: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 31.446484][ T4672] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 31.506645][ T4693] loop5: detected capacity change from 0 to 264192 [ 31.520517][ T4693] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:33 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 32.168114][ T244] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:33 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:33 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 32.247646][ T1793] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.274015][ T4707] loop1: detected capacity change from 0 to 264192 [ 32.300388][ T4707] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.327022][ T4715] loop4: detected capacity change from 0 to 264192 [ 32.334467][ T4715] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.369679][ T4721] loop2: detected capacity change from 0 to 264192 [ 32.387909][ T4721] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.847344][ T1793] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 32.929856][ T1793] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:35 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 5: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 0: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 34.385862][ T4749] loop4: detected capacity change from 0 to 264192 [ 34.393902][ T4749] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.411731][ T4748] loop5: detected capacity change from 0 to 264192 [ 34.420672][ T4755] loop2: detected capacity change from 0 to 264192 [ 34.420710][ T4757] loop1: detected capacity change from 0 to 264192 [ 34.434039][ T4755] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.434981][ T4750] loop3: detected capacity change from 0 to 264192 [ 34.450526][ T4750] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.451505][ T4763] loop0: detected capacity change from 0 to 264192 [ 34.486275][ T4748] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.505423][ T4763] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 34.522710][ T4757] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:36 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 34.956920][ T1793] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.082243][ T4789] loop4: detected capacity change from 0 to 264192 [ 35.115701][ T4789] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:36 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 35.240075][ T1793] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:36 executing program 2: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 0: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 5: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:36 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 35.316616][ T1793] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.385369][ T4802] loop3: detected capacity change from 0 to 264192 [ 35.387983][ T4805] loop2: detected capacity change from 0 to 264192 [ 35.407186][ T4802] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.450900][ T4819] loop1: detected capacity change from 0 to 264192 [ 35.457931][ T4820] loop0: detected capacity change from 0 to 264192 [ 35.479461][ T4819] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.489458][ T4820] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.499280][ T4805] FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 35.515388][ T4823] loop5: detected capacity change from 0 to 264192 [ 35.534010][ T4823] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:37 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 35.991748][ T22] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 36.112611][ T4842] loop4: detected capacity change from 0 to 264192 [ 36.130900][ T4842] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:37 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:37 executing program 2: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) 10:02:37 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 36.328864][ T22] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 36.366589][ T22] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 0: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 36.420584][ T22] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 36.464996][ T4851] loop3: detected capacity change from 0 to 264192 [ 36.474892][ T4851] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 2: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) [ 36.511278][ T4867] loop1: detected capacity change from 0 to 264192 [ 36.536351][ T4867] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 36.638218][ T4881] loop0: detected capacity change from 0 to 264192 [ 36.658330][ T4881] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 2: pipe2(&(0x7f0000001400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = epoll_create(0x7) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000100)) splice(r0, 0x0, r2, 0x0, 0xe660, 0x0) write$tcp_mem(r1, &(0x7f0000000040), 0x48) [ 36.861492][ T4842] ================================================================== [ 36.869603][ T4842] BUG: KCSAN: data-race in __xa_clear_mark / xas_find_marked [ 36.877015][ T4842] [ 36.879337][ T4842] write to 0xffff8881065e48f0 of 8 bytes by interrupt on cpu 1: [ 36.887002][ T4842] __xa_clear_mark+0x1d9/0x2c0 [ 36.891779][ T4842] test_clear_page_writeback+0x23e/0x560 [ 36.897422][ T4842] end_page_writeback+0xd7/0x1b0 [ 36.902369][ T4842] page_endio+0x1cc/0x280 [ 36.906698][ T4842] mpage_end_io+0x186/0x1d0 [ 36.911274][ T4842] bio_endio+0x21d/0x300 [ 36.915709][ T4842] blk_update_request+0x435/0xa30 [ 36.920761][ T4842] blk_mq_end_request+0x22/0x50 [ 36.925621][ T4842] lo_complete_rq+0xca/0x170 [ 36.930214][ T4842] blk_done_softirq+0x69/0x90 [ 36.934892][ T4842] __do_softirq+0x12c/0x275 [ 36.939401][ T4842] run_ksoftirqd+0x13/0x20 [ 36.943833][ T4842] smpboot_thread_fn+0x2a1/0x3f0 [ 36.948812][ T4842] kthread+0x1d0/0x1f0 [ 36.952887][ T4842] ret_from_fork+0x1f/0x30 [ 36.957391][ T4842] [ 36.959715][ T4842] read to 0xffff8881065e48f0 of 8 bytes by task 4842 on cpu 0: [ 36.967257][ T4842] xas_find_marked+0x195/0x5f0 [ 36.972079][ T4842] find_get_pages_range_tag+0xf2/0x390 [ 36.977544][ T4842] pagevec_lookup_range_tag+0x37/0x50 [ 36.983071][ T4842] __filemap_fdatawait_range+0xab/0x1b0 [ 36.988624][ T4842] filemap_write_and_wait_range+0x264/0x390 [ 36.994528][ T4842] __generic_file_write_iter+0x231/0x300 [ 37.000199][ T4842] generic_file_write_iter+0x75/0x130 [ 37.005584][ T4842] do_iter_readv_writev+0x2cb/0x360 [ 37.010788][ T4842] do_iter_write+0x112/0x4c0 [ 37.015408][ T4842] vfs_iter_write+0x4c/0x70 [ 37.019939][ T4842] iter_file_splice_write+0x40a/0x750 [ 37.025320][ T4842] direct_splice_actor+0x80/0xa0 [ 37.030290][ T4842] splice_direct_to_actor+0x345/0x650 [ 37.035674][ T4842] do_splice_direct+0xf5/0x170 [ 37.040445][ T4842] do_sendfile+0x773/0xda0 [ 37.044869][ T4842] __x64_sys_sendfile64+0xf2/0x130 [ 37.049981][ T4842] do_syscall_64+0x4a/0x90 [ 37.054404][ T4842] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 37.060353][ T4842] [ 37.062670][ T4842] Reported by Kernel Concurrency Sanitizer on: [ 37.068818][ T4842] CPU: 0 PID: 4842 Comm: syz-executor.4 Not tainted 5.13.0-rc3-syzkaller #0 [ 37.077541][ T4842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.087718][ T4842] ================================================================== 10:02:38 executing program 4: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 37.170645][ T22] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 37.193536][ T22] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 37.222286][ T8] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:38 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:38 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:38 executing program 2: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:38 executing program 0: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:38 executing program 1: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) [ 37.295652][ T4913] loop4: detected capacity change from 0 to 264192 [ 37.307463][ T4913] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 37.328562][ T8] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:39 executing program 2: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:39 executing program 5: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 37.355986][ T4924] loop1: detected capacity change from 0 to 264192 10:02:39 executing program 0: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) 10:02:39 executing program 2: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 37.407813][ T4924] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:39 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71ae2000000922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, &(0x7f0000000400)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$binfmt_elf32(r1, &(0x7f0000000180)=ANY=[], 0x58) 10:02:39 executing program 0: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) setsockopt$sock_linger(r0, 0x1, 0x3c, &(0x7f0000000180)={0x200000000000001}, 0x8) connect$inet6(r0, &(0x7f0000004540)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}, 0x1c) sendmmsg(r0, &(0x7f0000003600)=[{{0x0, 0x2, 0x0}}, {{0x0, 0x0, &(0x7f0000000780), 0x2f3}}], 0x400000000000316, 0x24008040) [ 37.480210][ T4944] loop3: detected capacity change from 0 to 264192 [ 37.568058][ T4944] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:39 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) [ 37.854869][ T8] FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:39 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000200)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) preadv(r0, &(0x7f0000000280)=[{0x0}], 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="50000000150001000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000a00000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0df63488af"], 0x50}}, 0x0) sendmmsg(r2, &(0x7f0000000180), 0xf1, 0x0) 10:02:39 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) 10:02:39 executing program 3: syz_mount_image$vfat(&(0x7f00000002c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001", 0x25}, {0x0, 0x0, 0x200000000011000}], 0x0, &(0x7f0000000240)=ANY=[]) chdir(&(0x7f0000000040)='./file0\x00') r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x6900) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10010, r0, 0x1be1e000) ftruncate(r0, 0x800) lseek(r0, 0x1200, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r1, 0x0, 0x8400fffffffa) ftruncate(0xffffffffffffffff, 0x0) 10:02:39 executing program 2: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000180)={0x4000}, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000440)={0x18, 0x16, 0xa01, 0x0, 0x0, {0xa, 0x0, 0x2}, [@nested={0x4}]}, 0x18}}, 0x0) 10:02:39 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) 10:02:39 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) 10:02:39 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) 10:02:39 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000200)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) preadv(r0, &(0x7f0000000280)=[{0x0}], 0x1, 0x0, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="50000000150001000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000a00000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0df63488af"], 0x50}}, 0x0) sendmmsg(r2, &(0x7f0000000180), 0xf1, 0x0) 10:02:39 executing program 2: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000180)={0x4000}, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000440)={0x18, 0x16, 0xa01, 0x0, 0x0, {0xa, 0x0, 0x2}, [@nested={0x4}]}, 0x18}}, 0x0) [ 38.373646][ T4995] loop3: detected capacity change from 0 to 264192 [ 38.381759][ T4995] FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 10:02:40 executing program 5: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71ae2000000922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000140), 0x0, &(0x7f0000000400)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write$binfmt_elf32(r1, &(0x7f0000000180)=ANY=[], 0x58) 10:02:40 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"}) 10:02:40 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x78ce76d5) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000100)={0x3, 0x0, 0x0, 0x0, 0x0, "000000001000000000000010000000001000"})