Extracting prog: 3m46.917221758s
Minimizing prog: 23m2.290980503s
Simplifying prog options: 0s
Extracting C: 38.984737993s
Simplifying C: 10m34.114384362s


extracting reproducer from 38 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
single: failed to extract reproducer
bisect: bisecting 38 programs with base timeout 30s
testing program (duration=39s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
detailed listing:
executing program 2:
r0 = socket(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000280)={0x4000, 0x2}, 0x10)
sendmsg$netlink(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f00000002c0)=ANY=[@ANYBLOB="1c0000001a0001002abd7000000000000a"], 0x78}], 0x1, 0x0, 0x0, 0x24400}, 0x0)
executing program 2:
r0 = socket$can_bcm(0x1d, 0x2, 0x2)
connect$can_bcm(r0, &(0x7f0000001ff0), 0x10)
sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000003c0)={0x5, 0x0, 0x0, {}, {}, {}, 0x7, @can={{}, 0x0, 0x0, 0x0, 0x0, "8bc7e9385559d457"}}, 0x48}}, 0x0)
executing program 2:
r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000340)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000300)={<r1=>0xffffffffffffffff}, 0x2}}, 0x20)
write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r0, &(0x7f0000000cc0)={0x18, 0x110, 0xfa00, {r1, 0x7fffffff, 0x12, 0x0, 0x0, @in={0x2, 0x4e21, @broadcast}, @in={0x2, 0x4e20, @loopback}}}, 0x118)
executing program 2:
rseq(&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x2}, 0xffffffffffffff17, 0x0, 0x0)
syz_clone(0x4400, 0x0, 0x0, 0x0, 0x0, 0x0)
sendmsg$inet(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{}], 0x1, 0x0, 0x0, 0x1f00c00e}, 0x4044)
executing program 2:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x51)
ioctl$FS_IOC_FSSETXATTR(r0, 0x401c5820, &(0x7f0000000080)={0x8})
mknodat$null(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0xb0a54e68b1cd2fdb, 0x103)
executing program 2:
openat$tun(0xffffffffffffff9c, 0x0, 0x20702, 0x0)
r0 = socket$inet_icmp(0x2, 0x2, 0x1)
ioctl$sock_ifreq(r0, 0x8927, &(0x7f0000000000)={'xfrm0\x00', @ifru_ivalue=0x40})
executing program 32:
openat$tun(0xffffffffffffff9c, 0x0, 0x20702, 0x0)
r0 = socket$inet_icmp(0x2, 0x2, 0x1)
ioctl$sock_ifreq(r0, 0x8927, &(0x7f0000000000)={'xfrm0\x00', @ifru_ivalue=0x40})
executing program 3:
syz_usb_control_io(0xffffffffffffffff, &(0x7f00000000c0)={0x2c, &(0x7f0000000100)={0x0, 0x0, 0x5, {0x5, 0x0, "392cda"}}, 0x0, 0x0, 0x0, 0x0}, 0x0)
r0 = socket$inet_sctp(0x2, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x25, &(0x7f0000000080)=[@in={0x2, 0x0, @dev}], 0xffe2)
executing program 3:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$TIPC_NL_BEARER_ENABLE(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000080)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000003000000400001802c00040014000100020000807f00000100000000000000001400020002000000e000000200000000000000000d0001006864703a73"], 0x54}}, 0x0)
executing program 3:
r0 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000340)={0x0, 0x0, 0x80, 0x2, 0x27e}, &(0x7f0000000000)=<r1=>0x0, &(0x7f00000000c0)=<r2=>0x0, &(0x7f0000000140)=<r3=>0x0)
syz_io_uring_submit(r1, r2, r3, &(0x7f0000000980)=@IORING_OP_RECV=@use_registered_buffer={0x1b, 0x20, 0x2, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x12040})
syz_ublk_add_dev(r0, r1, r2, r3, &(0x7f00000003c0)={0x2e, 0x5, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000200)=@any_dev={0x4, 0xd74, 0x0, 0x0, 0x1000, 0x68ba, 0x0, 0x0, 0x10}}}, 0x0)
executing program 3:
r0 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000015c0), 0x2, 0x0)
ioctl$VHOST_SET_VRING_BASE(r0, 0xaf01, 0x0)
ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r0, 0xaf01, 0x0)
executing program 3:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0)
ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f00000002c0)=0x20)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x13, r0, 0x82141000)
executing program 3:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x8, 0x458, 0x501b, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x70, 0x6e, "", [{{0x9, 0x4, 0x0, 0xfd, 0x8d, 0x3, 0x0, 0x2, 0x0, {0x9, 0x21, 0x2, 0x8, 0x1, {0x22, 0x28}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x8, 0x9, 0x43}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, &(0x7f0000000000)={0x2c, &(0x7f0000000140)={0x20, 0xf, 0x28, {0x28, 0x9, "f70ba381030000000000000000cb4fdca0560f920d54f365c5b1d43ee44fbf6fc93f0808251f"}}, 0x0, 0x0, 0x0, 0x0}, 0x0)
executing program 33:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x110, 0x0, 0x0, 0x0, 0x8, 0x458, 0x501b, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x70, 0x6e, "", [{{0x9, 0x4, 0x0, 0xfd, 0x8d, 0x3, 0x0, 0x2, 0x0, {0x9, 0x21, 0x2, 0x8, 0x1, {0x22, 0x28}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x8, 0x9, 0x43}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io(r0, &(0x7f0000000000)={0x2c, &(0x7f0000000140)={0x20, 0xf, 0x28, {0x28, 0x9, "f70ba381030000000000000000cb4fdca0560f920d54f365c5b1d43ee44fbf6fc93f0808251f"}}, 0x0, 0x0, 0x0, 0x0}, 0x0)
executing program 4:
write(0xffffffffffffffff, &(0x7f0000000040)="2400000058004100f4f90085b3a85c91fddf", 0x12)
r0 = socket$netlink(0x10, 0x3, 0x0)
setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r0, 0x10e, 0xc, &(0x7f0000000640)=0x4, 0x4)
sendmsg$netlink(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000005e"], 0x1c}], 0x1}, 0x8000)
executing program 4:
mknod$loop(&(0x7f0000000140)='./file0\x00', 0xfff, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x24c01, 0x0)
io_setup(0x202, &(0x7f0000000200)=<r1=>0x0)
io_submit(r1, 0x20, &(0x7f0000000780)=[&(0x7f0000000440)={0xfffffffe, 0x20011004, 0x4, 0x1, 0x0, r0, &(0x7f00000000c0)='!', 0xb7f40, 0x407f0b00}])
executing program 4:
r0 = socket$inet6(0xa, 0x1, 0x0)
setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000040)=0x80000004, 0x4)
setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x33, &(0x7f0000000640)={0x1, &(0x7f0000000680)=[{0x6, 0x0, 0x0, 0x2}]}, 0x10)
bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @broadcast}, 0xfffffffc}, 0x1c)
executing program 4:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x401, @loopback}], 0x1c)
setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000900)=[@in6={0xa, 0x4e23, 0x3f, @loopback, 0x5}], 0x1c)
setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f0000000580)={0x0, 0x3}, 0x8)
executing program 4:
ioctl$VFAT_IOCTL_READDIR_BOTH(0xffffffffffffffff, 0x82307201, 0x0)
sendmsg$ETHTOOL_MSG_COALESCE_SET(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)=ANY=[], 0x44}}, 0x40)
r0 = syz_usb_connect(0x3, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000014da2108ab12a390eb1e000000010902240001b30000040904410017ff5d810009050f1f01040000000905830300b3"], 0x0)
syz_usb_ep_write$ath9k_ep2(r0, 0x83, 0x8, &(0x7f0000000000)=ANY=[])
executing program 1:
munmap(&(0x7f0000001000/0x3000)=nil, 0x3000)
r0 = syz_open_procfs(0x0, &(0x7f0000000200)='task\x00')
lseek(r0, 0x3, 0x0)
getdents64(r0, 0x0, 0x0)
executing program 1:
setsockopt$inet6_MCAST_JOIN_GROUP(0xffffffffffffffff, 0x29, 0x2a, &(0x7f0000000140)={0x0, {{0xa, 0x200, 0x7ffff, @mcast2, 0x4000}}}, 0x88)
r0 = syz_usb_connect$hid(0x2, 0x36, &(0x7f0000000240)=ANY=[@ANYBLOB="12010000000000205f14120200000000000109022400010000600009040180020300000009210604000122050009058103"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000280)={0x24, 0x0, 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="002205"], 0x0}, 0x0)
executing program 0:
r0 = socket$inet6(0xa, 0x2, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x10, &(0x7f0000000000), 0x4)
connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e21, 0x4, @dev={0xfe, 0x80, '\x00', 0x1b}, 0xa}, 0x1c)
sendto$inet6(r0, 0x0, 0x0, 0x2400c743, 0x0, 0x0)
executing program 0:
openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000000c0), r0)
sendmsg$ETHTOOL_MSG_RINGS_SET(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000010000000080007000000020018000180140002006e657464657673696d300000000000000800060000020000080008"], 0x44}, 0x1, 0x0, 0x0, 0x1}, 0x0)
executing program 5:
r0 = openat$vicodec0(0xffffffffffffff9c, &(0x7f00000004c0), 0x2, 0x0)
ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(0xffffffffffffffff, 0xc01064b5, &(0x7f00000002c0)={&(0x7f0000000300)=[0x0], 0x1})
ioctl$VIDIOC_REQBUFS(r0, 0xc0145608, &(0x7f0000000040)={0x1b, 0xa, 0x2})
ioctl$VIDIOC_REQBUFS(r0, 0xc0585609, &(0x7f0000000280)={0x1, 0xa, 0x2})
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x100, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_SET_MSRS(r2, 0xc048aeca, &(0x7f00000000c0)={0x6, 0x0, [{0x9c7, 0x0, 0x4}, {0x2e8, 0x0, 0x40000005}, {0x8be, 0x0, 0x8001}, {0x9b5, 0x0, 0xb}, {0xa8f}, {0x8a1, 0x0, 0x200000000002}]})
executing program 5:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)
executing program 5:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
bind$inet6(r0, &(0x7f00004b8fe4)={0xa, 0x4e23, 0x0, @loopback}, 0x1c)
sendto$inet6(r0, &(0x7f0000847fff)='\x00', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x5, @loopback}, 0x1c)
close(0x3)
executing program 0:
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000003200)=ANY=[@ANYBLOB="5c01000010000100feffffff00010000fe880000000000000000000000000001fc010000000000000000000000000001000107144e230005000000003a000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="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"], 0x15c}, 0x1, 0x0, 0x0, 0x8801}, 0x0)
r1 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000740)=@newsa={0x138, 0x1a, 0x1, 0x70bd2b, 0x100, {{@in=@initdev={0xac, 0x1e, 0x1, 0x0}, @in=@private=0xa010101, 0x1, 0x717, 0x4e23, 0x5, 0xa, 0x0, 0x20, 0x3a}, {@in6=@mcast2, 0x4d4, 0x6c}, @in6=@private2={0xfc, 0x2, '\x00', 0x1}, {0xfe, 0x1000000000000192, 0x9ba3, 0x100000, 0x8251c, 0x5, 0xfffffffffffffffc, 0x4}, {0xad25, 0x0, 0x1f, 0xfffffffffffffffe}, {0xfffffffe, 0x3fc}, 0x7e, 0x3505, 0x2, 0x1, 0x0, 0x20}, [@algo_comp={0x48, 0x3, {{'deflate\x00'}}}]}, 0x138}, 0x1, 0x0, 0x0, 0x8024}, 0x844)
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x2400, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
ioctl$KVM_X86_SETUP_MCE(r2, 0x4008ae9c, &(0x7f00000000c0)={0x20, 0x0, 0xff})
executing program 1:
mkdir(&(0x7f0000000000)='./cgroup/../file0\x00', 0x0)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_int(r0, &(0x7f0000000040)='cpu.idle\x00', 0x2, 0x0)
write$cgroup_subtree(r1, &(0x7f0000000240)=ANY=[@ANYBLOB='-', @ANYRESOCT, @ANYBLOB="ee"], 0x27)
executing program 1:
r0 = syz_clone(0x211, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)
ptrace$cont(0x1f, r0, 0xa, 0xf)
move_pages(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
executing program 5:
syz_open_procfs$namespace(0x0, &(0x7f00000003c0)='ns/time_for_children\x00')
r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000), 0x1c0102, 0x0)
fsetxattr$trusted_overlay_origin(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x3)
write$vga_arbiter(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB='lock '], 0x9)
executing program 1:
r0 = socket(0x40000000015, 0x5, 0x0)
connect$inet(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10)
bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x57)
sendmsg$NL80211_CMD_JOIN_MESH(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[], 0x1a000}}, 0x0)
executing program 5:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040), 0x200002, 0x0)
r1 = openat$cgroup_devices(r0, &(0x7f0000000080)='devices.allow\x00', 0x2, 0x0)
write$cgroup_devices(r1, &(0x7f0000001d80)=ANY=[@ANYBLOB='b *:', @ANYRESOCT], 0xa)
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x5, 0x84)
getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000040)={0x0, 0x10, &(0x7f0000000000)=[@in={0x2, 0x0, @private=0xa010101}]}, &(0x7f0000000080)=0x10)
getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000180)={0x1, [<r1=>0x0]}, &(0x7f0000000240)=0x8)
getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000200)={r1, 0x1ff}, &(0x7f0000000280)=0x8)
executing program 1:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)
executing program 4:
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0)
ftruncate(0xffffffffffffffff, 0x8800000)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000004c0)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="002222000000960100060100b31c0800002a00c08538b349b3af7da7300444e990"], 0x0}, 0x0)
executing program 5:
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000000c0)={@remote}, 0x14)
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_generic(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x3e, 0x229, 0x0, 0xfffffffd, {0xa}}, 0x14}, 0x1, 0x6000000}, 0x0)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program crashed: WARNING in super_dev_register
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(0x0, 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, 0x0, 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', 0x0, 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, 0x0)
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', 0x0, &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x40, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
program crashed: WARNING in super_dev_register
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program crashed: WARNING in super_dev_register
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program crashed: WARNING in super_dev_register
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-openat$fuse-mount$fuse-mount
detailed listing:
executing program 0:
creat(&(0x7f00000002c0)='./file0\x00', 0x0)
r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f0000002140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x6000}})
mount(&(0x7f00000001c0)=@filename='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000080)='fuseblk\x00', 0x40, 0x0)

program crashed: WARNING in super_dev_register
validation run: crashed=true
reproducing took 45m13.419243493s
repro crashed as (corrupted=false):
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
------------[ cut here ]------------
!sb->s_dev
WARNING: fs/super.c:509 at super_dev_register+0xf8/0x250 fs/super.c:509, CPU#0: syz.0.17/5833
Modules linked in:
CPU: 0 UID: 0 PID: 5833 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:super_dev_register+0xf8/0x250 fs/super.c:509
Code: 04 38 84 c0 0f 85 34 01 00 00 8b 2b 31 ff 89 ee e8 9d 2a 85 ff 85 ed 0f 85 98 00 00 00 e8 e0 25 85 ff eb 17 e8 d9 25 85 ff 90 <0f> 0b 90 48 85 db 75 c4 e8 cb 25 85 ff 90 0f 0b 90 43 0f b6 04 3c
RSP: 0018:ffffc90003db79d0 EFLAGS: 00010293
RAX: ffffffff82401307 RBX: ffff88802e3ea000 RCX: ffff888028450000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff82401d10 R12: 1ffff11007d7e002
R13: dffffc0000000000 R14: ffff88803ebf0010 R15: dffffc0000000000
FS:  00005555768b7500(0000) GS:ffff888125a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1210cfe8 CR3: 00000000437c4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 sget_fc+0x12f6/0x1a60 fs/super.c:896
 sget_dev fs/super.c:1480 [inline]
 get_tree_bdev_flags+0x212/0x4f0 fs/super.c:1867
 fuse_get_tree+0x194/0x3b0 fs/fuse/inode.c:1877
 vfs_get_tree+0x92/0x2a0 fs/super.c:1941
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3777 [inline]
 do_new_mount+0x319/0xdc0 fs/namespace.c:3853
 do_mount fs/namespace.c:4186 [inline]
 __do_sys_mount fs/namespace.c:4402 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4379
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb36b00de59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdb13d09e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb36b295fa0 RCX: 00007fb36b00de59
RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 00002000000001c0
RBP: 00007fb36b0a3e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb36b295fac R14: 00007fb36b295fa0 R15: 00007fb36b295fa0
 </TASK>

final repro crashed as (corrupted=false):
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
------------[ cut here ]------------
!sb->s_dev
WARNING: fs/super.c:509 at super_dev_register+0xf8/0x250 fs/super.c:509, CPU#0: syz.0.17/5833
Modules linked in:
CPU: 0 UID: 0 PID: 5833 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:super_dev_register+0xf8/0x250 fs/super.c:509
Code: 04 38 84 c0 0f 85 34 01 00 00 8b 2b 31 ff 89 ee e8 9d 2a 85 ff 85 ed 0f 85 98 00 00 00 e8 e0 25 85 ff eb 17 e8 d9 25 85 ff 90 <0f> 0b 90 48 85 db 75 c4 e8 cb 25 85 ff 90 0f 0b 90 43 0f b6 04 3c
RSP: 0018:ffffc90003db79d0 EFLAGS: 00010293
RAX: ffffffff82401307 RBX: ffff88802e3ea000 RCX: ffff888028450000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff82401d10 R12: 1ffff11007d7e002
R13: dffffc0000000000 R14: ffff88803ebf0010 R15: dffffc0000000000
FS:  00005555768b7500(0000) GS:ffff888125a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1210cfe8 CR3: 00000000437c4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 sget_fc+0x12f6/0x1a60 fs/super.c:896
 sget_dev fs/super.c:1480 [inline]
 get_tree_bdev_flags+0x212/0x4f0 fs/super.c:1867
 fuse_get_tree+0x194/0x3b0 fs/fuse/inode.c:1877
 vfs_get_tree+0x92/0x2a0 fs/super.c:1941
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3777 [inline]
 do_new_mount+0x319/0xdc0 fs/namespace.c:3853
 do_mount fs/namespace.c:4186 [inline]
 __do_sys_mount fs/namespace.c:4402 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4379
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb36b00de59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdb13d09e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb36b295fa0 RCX: 00007fb36b00de59
RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 00002000000001c0
RBP: 00007fb36b0a3e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb36b295fac R14: 00007fb36b295fa0 R15: 00007fb36b295fa0
 </TASK>