Extracting prog: 1h10m56.163675213s Minimizing prog: 29m58.186229244s Simplifying prog options: 0s Extracting C: 39.055703191s Simplifying C: 6m46.497891915s extracting reproducer from 30 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:5 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}}): mkdirat-mount-openat-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) program did not crash single: failed to extract reproducer bisect: bisecting 30 programs with base timeout 30s testing program (duration=37s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [17, 9, 19, 3, 20, 8, 21, 4, 27, 13, 11, 16, 11, 16, 3, 19, 9, 4, 8, 3, 12, 21, 7, 27, 27, 3, 27, 7, 18, 9] detailed listing: executing program 2: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) setns(0xc9, 0x0) r3 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r3, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000fc0)="31fdffffffffffffff74098b2e5e55a1828636f654a2cfdac56c75f1687f0c56287423f5eed69f117e766bdbad0c2171ad6227e1173ab6efa2fcb1c420a51a0917861009000000f049c606ccab7cda1f0e3490fbe385ea382294882839a22674037b8910bd8a1420e33e", 0x6a}], 0x1}}, {{0x0, 0x0, &(0x7f0000000400)}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) executing program 3: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) socket(0x1e, 0x4, 0x0) setns(0xc9, 0x0) r3 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r3, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/resync_start\x00', 0x1, 0x0) write(r0, 0x0, 0x0) executing program 1: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, &(0x7f0000000000)=0x3) r3 = socket(0x1e, 0x4, 0x0) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x44014) recvmmsg(r4, &(0x7f0000003900)=[{{0x0, 0x0, 0x0}}], 0x1, 0x102, 0x0) executing program 3: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/timer_list\x00', 0x0, 0x0) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/tcp_timestamps\x00', 0x1, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x180) mount(0x0, 0x0, &(0x7f0000000100)='proc\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r2, &(0x7f0000000000)='7', 0x1) unshare(0x50048b00) sendfile(r1, r0, 0x0, 0x100000500) executing program 2: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) r3 = socket(0x1e, 0x4, 0x0) r4 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) bind(r4, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0xb, 0x0, 0x4, {0xa, 0x4e24, 0x2f2, @rand_addr=' \x01\x00', 0x6}}}, 0x80) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r5 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r5, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0xc0802, 0x0) ioctl$PPPIOCSMAXCID(r0, 0x40047451, &(0x7f0000000200)=0x8) ioctl$PPPIOCSFLAGS1(r0, 0x40047459, &(0x7f0000000100)=0x4) pwritev(r0, &(0x7f0000000180)=[{&(0x7f0000000300)='\x00!E', 0x3}], 0x1, 0x0, 0x0) executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) executing program 4: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)) setns(0xc9, 0x0) r1 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r1, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: setns(0xc9, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x1}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x10f) r1 = socket$inet(0x2, 0x2, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000000140)=ANY=[@ANYBLOB="bbbb00000000283afffe880000000000000000000000000001"], 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f00000000c0)={'syzkaller0\x00', 0x1}) r2 = syz_init_net_socket$x25(0x9, 0x5, 0x0) bind$x25(r2, &(0x7f0000000100), 0x12) listen(r2, 0x1) write$tun(r0, &(0x7f0000000140)=ANY=[@ANYBLOB="000008050000010b"], 0x88) executing program 4: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) getsockopt$TIPC_IMPORTANCE(0xffffffffffffffff, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x44014) recvmmsg(r3, &(0x7f0000003900)=[{{0x0, 0x0, 0x0}}], 0x1, 0x102, 0x0) executing program 1: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 2: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) getsockopt$TIPC_IMPORTANCE(0xffffffffffffffff, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x44014) recvmmsg(r3, &(0x7f0000003900)=[{{0x0, 0x0, 0x0}}], 0x1, 0x102, 0x0) executing program 3: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000200)=ANY=[@ANYBLOB="0b00000073797a300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000240003006d04000082c0000000000000000000000600ff0901a10185107408950609018102090191028511750895130901810209"], 0x13c) write$UHID_INPUT2(r0, &(0x7f0000000040)=ANY=[@ANYBLOB="0c000000070010"], 0xd) executing program 0: syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x786, &(0x7f0000000f80)="$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") io_uring_register$IORING_REGISTER_QUERY(0xffffffffffffffff, 0x23, &(0x7f0000002c40), 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e21, 0x12, @private2}}, [0x80, 0x0, 0x7, 0x8, 0x2, 0x9, 0x80000001, 0x3, 0x0, 0x101, 0x5, 0x9, 0x4, 0x9, 0x7cd]}, &(0x7f00000002c0)=0x100) openat(0xffffffffffffff9c, 0x0, 0x80342, 0x168) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000300)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) pread64(0xffffffffffffffff, &(0x7f000001e6c0)=""/102356, 0x18fd4, 0xc2a) syz_mount_image$ext4(&(0x7f00000002c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x1018e58, &(0x7f00000005c0)={[{@nodioread_nolock}, {@noblock_validity}, {@data_err_ignore}, {@max_batch_time={'max_batch_time', 0x3d, 0x7}}, {@nodiscard}, {@stripe={'stripe', 0x3d, 0x4}}, {@noauto_da_alloc}]}, 0x4, 0x61f, &(0x7f0000001140)="$eJzs3c9rXNUeAPDvncmkSZv30j4ej9fyHi/wFi1I00wtVt3Y1oVdFCzYhYiLhiapodMfNCmYWGgKLhQURNyKdOM/4F66dyeCunMtVJGKikpH7syddDKZSdIkM9Pmfj5wM/ece2fO+c6dM/fce3PmBpBbY+mfQsT+iAfnk4jRpmUjUV84lq13/6ebF9IpiWr1lR+TSLK8xvpJ9rgnSwxFxJenIv5RXF3u3MLipclKte5WxJH5y9eOzC0sHp69PHlx+uL0lfLRZ48dn3iufKy8LXHuyR5Pn3n5P++//cYzM19VDidxIs6V3pqKlji2y1iMxYMsxOb8gYg4ns60eV+eNDsghFwrZp/HUkT8K0ajWEvVjcbse32tHNBV1WJEFcipRPuHnGr0AxrH9hs7Dj7X5V5J79w7WT8AWh3/QP3cSAzVjo1230+ajowGauc29m5D+WkZf9488HE6xYrzEL8ub52BbSink6XbEfHvdvEntbrtrUWaxl9YUY8kIiYiYjCr34tbqEPSNN+N8zBr2Wz8hYg4kT2m+ac2Wf5YS7rX8QOQT3dPZjvypTT1cP+X9j0a/Z9Y1f+pXxtq3XdtRr/3f537f439/VDtHHmhpR+W9lnOtn/JUmvGd++e/rBT+c39v3RKy2/0BXvh3u2IAy3xv5MGm/V/0viTNts/XeX8iY2V8dLXP5zutKzf8VfvRBxse/zzsFeazrVenxzOlpWPlY/MzFamJ+p/25bx+Revf9qp/H7Hn27/3R3ib9r+hdbnpe/JtQ2W8dnZO5c7LRtZN/7C94NJ/XhzMMt5c3J+/no5YjA5k61Sv5BVyz+6dl0a6zReI43/0P/bt/8Vn//bK19nuPGVuQHXXr10v9OyzWz/povJD6obrEMnafxT62//Ve0/zftgOXVrzTJ+ee3GfzstWyv+4S3GBgAAAAAAAHlTqF2DTQrjy/OFwvh4fbzsP2N3oXJ1bv6pmas3rkxFHKr9P2Sp0LjSPVpPJ2m6nP0/bCN9tCX9dETsi4iPisO19PiFq5WpfgcPAAAAAAAAAAAAAAAAAAAAj4k92fj/xn2qfy7Wx/8DOdHNG8wBjzftH/Kr1v5X3eIJyAP7f8gv7R/yS/uH/NL+Ib+0f8gv7R/yS/uH/NL+AQAAAGBH2ve/u98mEbH0/HBtSg1my4wIgp2t1O8KAH1T7HcFgL5ZvvSvsw+5s6H+/+/ZjwN2vzpAHyTtMmudg+rajf9u22cCAAAAAAAAAAAAAF1wcH/78f+JscGw4xn2B/m1hfH/fjoAnnB++h/yyzE+sN4o/qFOC4z/BwAAAAAAAAAAAICeGalNSWE8Gws8EoXC+HjE3yJib5SSmdnK9ERE/D0ivimWdqXpcr8rDQAAAAAAAAAAAAAAAAAAADvM3MLipclKZfp688wfq3J29kzjLqg9KOuFeMRnRdL7t2U4IpZzShGPWufuzezKPrZbeZ2BuYXF5LdqTRKxFI9PgFuKa5tn1v3qGOzqFxMAAAAAAAAAAAAAAAAAAORQ09jj9g580uMaAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEDvPbz/f/dm+h0jAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPBk+isAAP//GjM9YA==") msgsnd(0x0, &(0x7f00000002c0)=ANY=[], 0x401, 0x800) msgrcv(0x0, 0x0, 0x0, 0x969edffe39095fd4, 0x3800) executing program 4: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/resync_start\x00', 0x1, 0x0) write(r0, &(0x7f0000000540)='n', 0x1) executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/timer_list\x00', 0x0, 0x0) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/tcp_timestamps\x00', 0x1, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x180) mount(0x0, 0x0, &(0x7f0000000100)='proc\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r2, &(0x7f0000000000)='7', 0x1) unshare(0x50048b00) sendfile(r1, r0, 0x0, 0x100000500) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/resync_start\x00', 0x1, 0x0) write(r0, 0x0, 0x0) executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000280)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeea, 0x8031, 0xffffffffffffffff, 0x28f43000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) setns(0xc9, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ptype\x00') read$FUSE(r3, &(0x7f0000001280)={0x2020}, 0x2020) executing program 3: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) r3 = socket(0x1e, 0x4, 0x0) r4 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) bind(r4, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0xb, 0x0, 0x4, {0xa, 0x4e24, 0x2f2, @rand_addr=' \x01\x00', 0x6}}}, 0x80) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r5 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r5, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 4: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x440, 0x0) timer_create(0x0, &(0x7f00000011c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000001100)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) preadv(r0, 0x0, 0x0, 0x6, 0x0) executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 0: setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: bisecting 30 programs bisect: split chunks (needed=false): <29> bisect: split chunk #0 of len 29 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=35s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [11, 16, 11, 16, 3, 19, 9, 4, 8, 3, 12, 21, 7, 27, 27, 3, 27, 7, 18, 9] detailed listing: executing program 0: setns(0xc9, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000080)={'syzkaller0\x00', 0x1}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x10f) r1 = socket$inet(0x2, 0x2, 0x0) syz_emit_ethernet(0x5e, &(0x7f0000000140)=ANY=[@ANYBLOB="bbbb00000000283afffe880000000000000000000000000001"], 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f00000000c0)={'syzkaller0\x00', 0x1}) r2 = syz_init_net_socket$x25(0x9, 0x5, 0x0) bind$x25(r2, &(0x7f0000000100), 0x12) listen(r2, 0x1) write$tun(r0, &(0x7f0000000140)=ANY=[@ANYBLOB="000008050000010b"], 0x88) executing program 4: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) getsockopt$TIPC_IMPORTANCE(0xffffffffffffffff, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x44014) recvmmsg(r3, &(0x7f0000003900)=[{{0x0, 0x0, 0x0}}], 0x1, 0x102, 0x0) executing program 1: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 2: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) getsockopt$TIPC_IMPORTANCE(0xffffffffffffffff, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r3 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="1400000042000501"], 0x14}}, 0x44014) recvmmsg(r3, &(0x7f0000003900)=[{{0x0, 0x0, 0x0}}], 0x1, 0x102, 0x0) executing program 3: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000200)=ANY=[@ANYBLOB="0b00000073797a300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000073797a30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000240003006d04000082c0000000000000000000000600ff0901a10185107408950609018102090191028511750895130901810209"], 0x13c) write$UHID_INPUT2(r0, &(0x7f0000000040)=ANY=[@ANYBLOB="0c000000070010"], 0xd) executing program 0: syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x400, &(0x7f0000000180), 0x2, 0x786, &(0x7f0000000f80)="$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") io_uring_register$IORING_REGISTER_QUERY(0xffffffffffffffff, 0x23, &(0x7f0000002c40), 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e21, 0x12, @private2}}, [0x80, 0x0, 0x7, 0x8, 0x2, 0x9, 0x80000001, 0x3, 0x0, 0x101, 0x5, 0x9, 0x4, 0x9, 0x7cd]}, &(0x7f00000002c0)=0x100) openat(0xffffffffffffff9c, 0x0, 0x80342, 0x168) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000300)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) pread64(0xffffffffffffffff, &(0x7f000001e6c0)=""/102356, 0x18fd4, 0xc2a) syz_mount_image$ext4(&(0x7f00000002c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x1018e58, &(0x7f00000005c0)={[{@nodioread_nolock}, {@noblock_validity}, {@data_err_ignore}, {@max_batch_time={'max_batch_time', 0x3d, 0x7}}, {@nodiscard}, {@stripe={'stripe', 0x3d, 0x4}}, {@noauto_da_alloc}]}, 0x4, 0x61f, &(0x7f0000001140)="$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") msgsnd(0x0, &(0x7f00000002c0)=ANY=[], 0x401, 0x800) msgrcv(0x0, 0x0, 0x0, 0x969edffe39095fd4, 0x3800) executing program 4: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/resync_start\x00', 0x1, 0x0) write(r0, &(0x7f0000000540)='n', 0x1) executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/timer_list\x00', 0x0, 0x0) r1 = openat$sysctl(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/tcp_timestamps\x00', 0x1, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x180) mount(0x0, 0x0, &(0x7f0000000100)='proc\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x0) write(r2, &(0x7f0000000000)='7', 0x1) unshare(0x50048b00) sendfile(r1, r0, 0x0, 0x100000500) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/resync_start\x00', 0x1, 0x0) write(r0, 0x0, 0x0) executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000280)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeea, 0x8031, 0xffffffffffffffff, 0x28f43000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) setns(0xc9, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ptype\x00') read$FUSE(r3, &(0x7f0000001280)={0x2020}, 0x2020) executing program 3: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) r3 = socket(0x1e, 0x4, 0x0) r4 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) bind(r4, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0xb, 0x0, 0x4, {0xa, 0x4e24, 0x2f2, @rand_addr=' \x01\x00', 0x6}}}, 0x80) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r5 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r5, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 4: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x440, 0x0) timer_create(0x0, &(0x7f00000011c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000001100)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) preadv(r0, 0x0, 0x0, 0x6, 0x0) executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 0: setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="f43945ca98acb8a9b3ee48f6f16a864918caf5375823337eb7c72fc5b6b5161a2ce6e88a00a5000000000000004b1b3cdcb28fd85496523b195bda9430cfbcad76b5cee9b66a06ef4297ec9f702ab73353ba1b855ee0a82dce61ad54871cbe6d457fc54dfcffffff95318b02fd4a21807e0fd41f3ec3516fc52943fe9eebdfa052e8c6d0eccc7c6c63fddaf55802b9761767841feb96e012de72eb4e74ae565ab68b45000eebfe7585c156ceb22b76886b5ca630032da03f45562116ba97363da2fabe3dc0918799e023d788e86530343d8b15e5d5816f1411d3b215910bb77787cbcee78413c9ccc1d3e03f6a55fb84b0014539bcff9e7c2c7bc01baf11e4f1", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: testing without sub-chunk 2/3 testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [12, 21, 7, 27, 27, 3, 27, 7, 18, 9] detailed listing: executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000280)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeea, 0x8031, 0xffffffffffffffff, 0x28f43000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) setns(0xc9, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ptype\x00') read$FUSE(r3, &(0x7f0000001280)={0x2020}, 0x2020) executing program 3: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) r3 = socket(0x1e, 0x4, 0x0) r4 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) bind(r4, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0xb, 0x0, 0x4, {0xa, 0x4e24, 0x2f2, @rand_addr=' \x01\x00', 0x6}}}, 0x80) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r5 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r5, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 4: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x440, 0x0) timer_create(0x0, &(0x7f00000011c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000001100)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) preadv(r0, 0x0, 0x0, 0x6, 0x0) executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 0: setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: testing without sub-chunk 3/3 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-openat-write detailed listing: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) program did not crash bisect: split chunks (needed=true): <9> bisect: split chunk #0 of len 9 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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, 27, 7, 18, 9] detailed listing: executing program 0: setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [12, 21, 7, 27, 27, 7] detailed listing: executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000140)={0xa, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000280)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeea, 0x8031, 0xffffffffffffffff, 0x28f43000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000180)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) setns(0xc9, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='net/ptype\x00') read$FUSE(r3, &(0x7f0000001280)={0x2020}, 0x2020) executing program 3: socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) r0 = getpid() prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f0000000640)=[{0x200000000006, 0x0, 0x2, 0x7ffc1ffb}]}) syz_emit_ethernet(0x4e, &(0x7f0000000080)={@local, @multicast, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, '\x00', 0x18, 0x2b, 0x0, @private1={0xfc, 0x1, '\x00', 0xff}, @local, {[@routing={0x3b, 0x0, 0x2, 0x0, 0x700}], {0x0, 0x0, 0x10, 0x0, @gue={{0x2}}}}}}}}, 0x0) fremovexattr(0xffffffffffffffff, 0x0) sched_setscheduler(r0, 0x1, &(0x7f0000000180)=0x5) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f00000004c0)=@abs={0x0, 0x0, 0x4e21}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000380)=0x6) sched_setscheduler(r0, 0x3, 0x0) r3 = socket(0x1e, 0x4, 0x0) r4 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) bind(r4, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0xb, 0x0, 0x4, {0xa, 0x4e24, 0x2f2, @rand_addr=' \x01\x00', 0x6}}}, 0x80) getsockopt$TIPC_IMPORTANCE(r3, 0x10f, 0x7f, 0x0, &(0x7f0000000780)) r5 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r5, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 4: r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x440, 0x0) timer_create(0x0, &(0x7f00000011c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000001100)=0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) preadv(r0, 0x0, 0x0, 0x6, 0x0) executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) program did not crash bisect: split chunks (needed=true): <5>, <4> bisect: split chunk #0 of len 5 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [27, 27, 3, 27, 7, 18, 9] detailed listing: executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 0: setns(0xc9, 0x0) r0 = socket$kcm(0x2, 0x3, 0x106) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000380)={0x2, 0x0, @remote}, 0x10, &(0x7f0000000000)=[{&(0x7f0000000080)="fbd2b9ed29d8974a6ce75f08916ac3b4da11bc1a", 0xffeb}], 0x1}, 0x0) executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="f43945ca98acb8a9b3ee48f6f16a864918caf5375823337eb7c72fc5b6b5161a2ce6e88a00a5000000000000004b1b3cdcb28fd85496523b195bda9430cfbcad76b5cee9b66a06ef4297ec9f702ab73353ba1b855ee0a82dce61ad54871cbe6d457fc54dfcffffff95318b02fd4a21807e0fd41f3ec3516fc52943fe9eebdfa052e8c6d0eccc7c6c63fddaf55802b9761767841feb96e012de72eb4e74ae565ab68b45000eebfe7585c156ceb22b76886b5ca630032da03f45562116ba97363da2fabe3dc0918799e023d788e86530343d8b15e5d5816f1411d3b215910bb77787cbcee78413c9ccc1d3e03f6a55fb84b0014539bcff9e7c2c7bc01baf11e4f1", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunk #1 of len 4 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [27, 27, 7, 18, 9] detailed listing: executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) r4 = socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r5, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) sendmmsg(r4, &(0x7f00000002c0), 0x40000000000009f, 0x0) write$binfmt_format(0xffffffffffffffff, &(0x7f0000000100)='-1\x00', 0x2) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunks (needed=true): <2>, <2> bisect: split chunk #0 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [27, 7, 18, 9] detailed listing: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunk #1 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [27, 7, 9] detailed listing: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000004c0)=0x75, 0x4) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000000)={0x1, &(0x7f0000000280)=[{0x6, 0xfa, 0x0, 0xe4}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='bbr', 0x3) sendmmsg$inet(r0, &(0x7f0000000b80)=[{{0x0, 0x0, &(0x7f0000001dc0)=[{&(0x7f0000000300)="91f8a9848519def38491bbc46110e4e0a3e2c2227886946806173c3cf90e41f7a34d942225517620514bf62a6f357d0272270a1da1b7240030feaab952ac3003cad04be688075ceb93000000000000000000", 0x52}, {&(0x7f0000000e80)="44900000000056ee66c372f3105eb186dd8062fad2d5b5bfb0ba06f274a8d026bd209da8ffa6a26e3b3f8075704a9d0ef9aff7f1e7db24609f02d34e76992c9df9fe6888c6c9a4825c6223be6ac54536025af1dea54e527c68b0ff250261953f2da79a78104c2d9e7b16ed86b124945aa9ab7581ebd385fb61d442035db81e18c2d2462d0bb25fff9d3b1ce90b597992b2a4d541611ce77f58dce7c9500118229e7cdf4ca7f6adca92c73d97ce54164c1942b2568635bec8e020b41fb2f8000000000000000000000000000000001c8a", 0xd0}], 0x2}}, {{0x0, 0x0, &(0x7f0000000500)}}, {{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f00000002c0)="e6", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000740)=[{&(0x7f0000000640)="c9", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000b40)=[{&(0x7f0000000840)="ab", 0x1}], 0x1}}], 0x5, 0x2090) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xdfa, 0x4) sendto$inet(r0, &(0x7f0000001080)="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", 0x2000, 0x0, 0x0, 0x0) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [27, 7, 18] detailed listing: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm bisect: the chunk can be dropped bisect: split chunks (needed=true): <1>, <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: split chunk #1 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 3 programs left: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) r5 = openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) write$binfmt_format(r5, &(0x7f0000000100)='-1\x00', 0x2) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) bisect: trying to concatenate bisect: concatenate 3 entries minimizing program #0 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [26, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) openat$binfmt_format(0xffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0\x00', 0x2, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [25, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000ec0)=@newqdisc={0x64, 0x24, 0xd0f, 0x70bd29, 0x25dfdbfc, {0x60, 0x0, 0x0, r4, {0x0, 0x8}, {0xffff, 0xffff}}, [@TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0xe, 0x4, 0x7, 0x4, 0x2, 0x2cf, 0x8d2}}, {0x4}}]}, @TCA_RATE={0x6, 0x5, {0x0, 0x1}}, @qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x401}}]}, 0x64}, 0x1, 0x0, 0x0, 0x80d1}, 0x34008098) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [24, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00'}) socket$nl_xfrm(0x10, 0x3, 0x6) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [23, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'lo\x00'}) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [22, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [21, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) socket$netlink(0x10, 0x3, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [20, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x20000900) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [19, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [18, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) sendmmsg$inet6(r3, &(0x7f0000003cc0)=[{{0x0, 0x0, &(0x7f0000003980), 0x171}}], 0x400000000000172, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [17, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [16, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) r3 = socket$inet6(0xa, 0x80002, 0x0) connect$inet6(r3, 0x0, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [15, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) socket$inet6(0xa, 0x80002, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [14, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x141, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [13, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [12, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) socket$nl_generic(0x10, 0x3, 0x10) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [11, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) lseek(r1, 0x1, 0x1) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [10, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [9, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [8, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [7, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [6, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [5, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [4, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) getpid() executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [2, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [1, 7, 18] detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 7, 18] detailed listing: executing program 0: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm minimized 27 calls -> 0 calls minimizing program #1 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 6, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 6, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/block/md0/md/bitmap/location\x00', 0x1, 0x0) write(0xffffffffffffffff, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 6, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0\n', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r1, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 5, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program crashed: BUG: unable to handle kernel paging request in percpu_ref_kill_and_confirm testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 3, 18] detailed listing: executing program 2: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 3, 18] detailed listing: executing program 2: executing program 0: mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) r6 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) write(r6, &(0x7f0000000640)='readonly\n', 0x9) program did not crash minimized 7 calls -> 4 calls minimizing program #2 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 17] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/block/md0/md/array_state\x00', 0x1, 0x0) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 16] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 15] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 15] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/block/md0/md/dev-ram1/slot\x00', 0x1, 0x0) write(0xffffffffffffffff, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 15] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) write(0xffffffffffffffff, &(0x7f00000003c0)='0\n', 0x2) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 14] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r4, &(0x7f0000000340)='1:1\n', 0x4) r5 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r5, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 13] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r4, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 12] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1:0\n', 0x4) r4 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r4, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 11] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 11] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='2\n', 0x2) write(0xffffffffffffffff, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 11] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/block/md0/md/raid_disks\x00', 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 10] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f00000001c0)='raid1\n', 0x6) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 9] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 8] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 7] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='1:0\n', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r1, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 7] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000140)='md0', 0x3) r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r0, &(0x7f00000002c0)='1:0\n', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r1, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 7] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): [0, 4, 7] detailed listing: executing program 2: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) executing program 0: mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash minimized 18 calls -> 8 calls testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode bisect: concatenation succeeded found reproducer with 12 syscalls minimizing guilty program testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-write-openat-write-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-write-openat-write-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) write(0xffffffffffffffff, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-write-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) write(0xffffffffffffffff, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-openat-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-mount-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-mkdirat-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f00000006c0)='102', 0x3) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='md0', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r1, &(0x7f00000002c0)='1:0\n', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r2, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0), 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140), 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0), 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, 0x0, 0x0) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode simplifying C reproducer testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program did not crash testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing compiled C program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode testing program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode validation run: crashed=true testing program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode validation run: crashed=true testing program (duration=45s, {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}}): mkdirat-mount-openat-write-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./sys/block/md0/md/bitmap/backlog\x00', 0x1, 0x0) write(r0, &(0x7f00000006c0)='102', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/md_mod/parameters/new_array\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='md0', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/block/md0/md/new_dev\x00', 0x1, 0x0) write(r2, &(0x7f00000002c0)='1:0\n', 0x4) r3 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./sys/block/md0/md/dev-ram0/state\x00', 0x1, 0x0) write(r3, &(0x7f00000004c0)='writemostly\n', 0xc) program crashed: BUG: unable to handle kernel paging request in __percpu_ref_switch_mode validation run: crashed=true reproducing took 1h51m55.849497973s repro crashed as (corrupted=false): Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4509 Comm: syz.0.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __percpu_ref_switch_mode+0x10c/0x5d8 lib/percpu-refcount.c:276 lr : __percpu_ref_switch_mode+0xfc/0x5d8 lib/percpu-refcount.c:269 sp : ffff8000215b7640 x29: ffff8000215b7710 x28: 0000000000000000 x27: ffff8000215b7660 x26: dfff800000000000 x25: 0000000000000002 x24: 1fffe0001df09009 x23: ffff7000042b6ecc x22: 0000000000000001 x21: 0000000000000000 x20: ffff0000ef848048 x19: 0000000000000010 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082dbd50 x15: 000000000004ffff x14: ffff7000042b6ed4 x13: 1ffff000042b6ed4 x12: 0000000000000004 x11: ff0080000a92df14 x10: 0000000000000000 x9 : ffff80000a92df14 x8 : ffff0000d3679c00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000186a1ef0 x4 : 0000000000000008 x3 : ffff8000082f2980 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __percpu_ref_switch_mode+0x10c/0x5d8 lib/percpu-refcount.c:276 percpu_ref_kill_and_confirm+0xb4/0x150 lib/percpu-refcount.c:394 percpu_ref_kill include/linux/percpu-refcount.h:149 [inline] mddev_suspend+0x1c0/0x4e0 drivers/md/md.c:470 mddev_create_serial_pool+0x210/0x3fc drivers/md/md.c:221 backlog_store+0x2ac/0x3f0 drivers/md/md-bitmap.c:2508 md_attr_store+0x168/0x234 drivers/md/md.c:5626 sysfs_kf_write+0x1f8/0x274 fs/sysfs/file.c:140 kernfs_fop_write_iter+0x390/0x4b4 fs/kernfs/file.c:352 call_write_iter include/linux/fs.h:2271 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3c8/0x7c8 fs/read_write.c:584 ksys_write+0x12c/0x228 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 14000002 976e138a 91004393 d343fe79 (387a6b28) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 14000002 b 0x8 4: 976e138a bl 0xfffffffffdb84e2c 8: 91004393 add x19, x28, #0x10 c: d343fe79 lsr x25, x19, #3 * 10: 387a6b28 ldrb w8, [x25, x26] <-- trapping instruction final repro crashed as (corrupted=false): Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4509 Comm: syz.0.18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __percpu_ref_switch_mode+0x10c/0x5d8 lib/percpu-refcount.c:276 lr : __percpu_ref_switch_mode+0xfc/0x5d8 lib/percpu-refcount.c:269 sp : ffff8000215b7640 x29: ffff8000215b7710 x28: 0000000000000000 x27: ffff8000215b7660 x26: dfff800000000000 x25: 0000000000000002 x24: 1fffe0001df09009 x23: ffff7000042b6ecc x22: 0000000000000001 x21: 0000000000000000 x20: ffff0000ef848048 x19: 0000000000000010 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082dbd50 x15: 000000000004ffff x14: ffff7000042b6ed4 x13: 1ffff000042b6ed4 x12: 0000000000000004 x11: ff0080000a92df14 x10: 0000000000000000 x9 : ffff80000a92df14 x8 : ffff0000d3679c00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000186a1ef0 x4 : 0000000000000008 x3 : ffff8000082f2980 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: __percpu_ref_switch_mode+0x10c/0x5d8 lib/percpu-refcount.c:276 percpu_ref_kill_and_confirm+0xb4/0x150 lib/percpu-refcount.c:394 percpu_ref_kill include/linux/percpu-refcount.h:149 [inline] mddev_suspend+0x1c0/0x4e0 drivers/md/md.c:470 mddev_create_serial_pool+0x210/0x3fc drivers/md/md.c:221 backlog_store+0x2ac/0x3f0 drivers/md/md-bitmap.c:2508 md_attr_store+0x168/0x234 drivers/md/md.c:5626 sysfs_kf_write+0x1f8/0x274 fs/sysfs/file.c:140 kernfs_fop_write_iter+0x390/0x4b4 fs/kernfs/file.c:352 call_write_iter include/linux/fs.h:2271 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3c8/0x7c8 fs/read_write.c:584 ksys_write+0x12c/0x228 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 14000002 976e138a 91004393 d343fe79 (387a6b28) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 14000002 b 0x8 4: 976e138a bl 0xfffffffffdb84e2c 8: 91004393 add x19, x28, #0x10 c: d343fe79 lsr x25, x19, #3 * 10: 387a6b28 ldrb w8, [x25, x26] <-- trapping instruction