Extracting prog: 44.872413255s Minimizing prog: 54m33.918164857s Simplifying prog options: 4m0.255563242s Extracting C: 1m32.471371321s Simplifying C: 0s extracting reproducer from 36 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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE-ioctl$SNDRV_TIMER_IOCTL_TREAD-ioctl$SNDRV_TIMER_IOCTL_SELECT-ioctl$SNDRV_TIMER_IOCTL_PARAMS detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) ioctl$SNDRV_TIMER_IOCTL_TREAD(0xffffffffffffffff, 0x40045402, &(0x7f0000000040)=0x1) ioctl$SNDRV_TIMER_IOCTL_SELECT(0xffffffffffffffff, 0x40345410, &(0x7f00000083c0)={{0x1, 0x3}}) ioctl$SNDRV_TIMER_IOCTL_PARAMS(0xffffffffffffffff, 0x40505412, &(0x7f0000000240)={0x0, 0x8, 0x0, 0x0, 0x1d}) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register single: successfully extracted reproducer found reproducer with 28 syscalls minimizing guilty program testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE-ioctl$SNDRV_TIMER_IOCTL_TREAD-ioctl$SNDRV_TIMER_IOCTL_SELECT detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) ioctl$SNDRV_TIMER_IOCTL_TREAD(0xffffffffffffffff, 0x40045402, &(0x7f0000000040)=0x1) ioctl$SNDRV_TIMER_IOCTL_SELECT(0xffffffffffffffff, 0x40345410, &(0x7f00000083c0)={{0x1, 0x3}}) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE-ioctl$SNDRV_TIMER_IOCTL_TREAD detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) ioctl$SNDRV_TIMER_IOCTL_TREAD(0xffffffffffffffff, 0x40045402, &(0x7f0000000040)=0x1) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-openat$ubi_ctrl detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-syz_emit_ethernet-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) syz_emit_ethernet(0x1a, &(0x7f0000000440)=ANY=[], 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(0xffffffffffffffff, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$sock_attach_bpf-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r5 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r5, 0x10c, 0x3, 0x0, 0x0) connect$llc(r5, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x34, &(0x7f00000000c0)=r4, 0x4) r6 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r6, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r4, 0x10c, 0x3, 0x0, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-connect$llc-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r4, 0x10c, 0x3, 0x0, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-setsockopt$llc_int-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$llc_int(r4, 0x10c, 0x3, 0x0, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$netlink-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) socket$netlink(0x10, 0x3, 0x6) connect$llc(0xffffffffffffffff, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000008000)={0x15, 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="b70000000000000007000000000000009500e200000000001e5286574356940658273ad1326fc65be4b1037a74cfb5af100fc4e94d123d9b22a7561b8850821bc1f8b5b0a3e3b79b0d96ab7cc60e0e144f0f04bfffe68fe46421a161eedd1a5cee316f68f7617859f06c8efd5da6abe446649c322209b1af93c6c999058168ad0a70992124d19c7c9cc22ff9a6b1a058039ab938480e8697f8715bcb18e1fd0773909464a783148e0e7b604a6c47b33c43a3ffff92ec8bbde1af40f29cfcf0836a70a2f6b1192ab8f24ca363492393e1c2a3b190180caafbf8cfca720074bdcc7cbd978efd8404a1c700000000d9789951"], 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x15, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-bpf$BPF_RAW_TRACEPOINT_OPEN-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCDELTUNNEL(r3, 0x89f0, &(0x7f0000000040)={'ip6_vti0\x00', 0xfffffffffffffffe}) r4 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r4, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r5 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r5, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-socket$inet6_udplite-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) socket$inet6_udplite(0xa, 0x2, 0x88) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$PROG_LOAD-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r2, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r2, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-sched_setscheduler-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r2, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r3, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$udambuf-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: openat$udambuf(0xffffffffffffff9c, 0x0, 0x2) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r3, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r4 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r4, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program crashed: KASAN: slab-use-after-free Read in notifier_chain_register testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, 0x0, 0x0) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash extracting C reproducer testing compiled C program (duration=55.303656642s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE program did not crash simplifying guilty program options testing program (duration=55.303656642s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash testing program (duration=55.303656642s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_init_net_socket$llc-connect$llc-setsockopt$sock_int-setsockopt$inet6_IPV6_HOPOPTS-openat$ubi_ctrl-ioctl$F2FS_IOC_START_VOLATILE_WRITE detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) connect$llc(r1, &(0x7f0000000000)={0x1a, 0x1, 0x1, 0x1, 0x3f, 0x0, @remote}, 0x10) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x1000000000000f, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(0xffffffffffffffff, 0x29, 0x36, 0x0, 0x18) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$F2FS_IOC_START_VOLATILE_WRITE(r2, 0x40186f40, 0x20000502) program did not crash reproducing took 1h0m51.517548956s repro crashed as (corrupted=false): ubi0: attaching mtd0 ubi0: scanning is finished ================================================================== BUG: KASAN: slab-use-after-free in notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27 Read of size 4 at addr ffff88807d5e58d8 by task syz.4.19/6098 CPU: 0 UID: 0 PID: 6098 Comm: syz.4.19 Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27 __blocking_notifier_chain_register kernel/notifier.c:264 [inline] blocking_notifier_chain_register+0x61/0xc0 kernel/notifier.c:282 ubi_wl_init+0x3396/0x3720 drivers/mtd/ubi/wl.c:1960 ubi_attach+0x3e01/0x5b80 drivers/mtd/ubi/attach.c:1605 ubi_attach_mtd_dev+0x1a3a/0x3540 drivers/mtd/ubi/build.c:1004 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7685f7fed9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7686de7058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7686146080 RCX: 00007f7685f7fed9 RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000003 RBP: 00007f7685ff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7686146080 R15: 00007ffd5000bc48 Allocated by task 6074: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] ubi_attach_mtd_dev+0x552/0x3540 drivers/mtd/ubi/build.c:933 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6074: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2338 [inline] slab_free mm/slub.c:4598 [inline] kfree+0x196/0x430 mm/slub.c:4746 device_release+0x9b/0x1c0 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x231/0x480 lib/kobject.c:737 ubi_attach_mtd_dev+0x8f5/0x3540 drivers/mtd/ubi/build.c:1076 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88807d5e4000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 6360 bytes inside of freed 8192-byte region [ffff88807d5e4000, ffff88807d5e6000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d5e0 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801ac42280 ffffea0000d02400 dead000000000002 raw: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801ac42280 ffffea0000d02400 dead000000000002 head: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea0001f57801 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5500, tgid 5500 (dhcpcd-run-hook), ts 42877966119, free_ts 42823509852 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x140 mm/slub.c:2408 allocate_slab+0x5a/0x2f0 mm/slub.c:2574 new_slab mm/slub.c:2627 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815 __slab_alloc+0x58/0xa0 mm/slub.c:3905 __slab_alloc_node mm/slub.c:3980 [inline] slab_alloc_node mm/slub.c:4141 [inline] __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4309 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0x11cd/0x2050 security/tomoyo/audit.c:264 tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0x146e/0x1d40 security/tomoyo/domain.c:881 tomoyo_bprm_check_security+0x117/0x180 security/tomoyo/tomoyo.c:102 security_bprm_check+0x86/0x250 security/security.c:1296 search_binary_handler fs/exec.c:1736 [inline] exec_binprm fs/exec.c:1790 [inline] bprm_execve+0xa53/0x17a0 fs/exec.c:1842 page last free pid 5498 tgid 5498 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0xdef/0x1130 mm/page_alloc.c:2657 discard_slab mm/slub.c:2673 [inline] __put_partials+0xeb/0x130 mm/slub.c:3142 put_cpu_partial+0x17c/0x250 mm/slub.c:3217 __slab_free+0x2ea/0x3d0 mm/slub.c:4468 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4160 getname_flags+0xb7/0x540 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1396 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88807d5e5780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d5e5800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88807d5e5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807d5e5900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d5e5980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ubi0: attaching mtd0 ubi0: scanning is finished ================================================================== BUG: KASAN: slab-use-after-free in notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27 Read of size 4 at addr ffff88807d5e58d8 by task syz.4.19/6098 CPU: 0 UID: 0 PID: 6098 Comm: syz.4.19 Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 notifier_chain_register+0x141/0x3f0 kernel/notifier.c:27 __blocking_notifier_chain_register kernel/notifier.c:264 [inline] blocking_notifier_chain_register+0x61/0xc0 kernel/notifier.c:282 ubi_wl_init+0x3396/0x3720 drivers/mtd/ubi/wl.c:1960 ubi_attach+0x3e01/0x5b80 drivers/mtd/ubi/attach.c:1605 ubi_attach_mtd_dev+0x1a3a/0x3540 drivers/mtd/ubi/build.c:1004 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7685f7fed9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7686de7058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7686146080 RCX: 00007f7685f7fed9 RDX: 0000000020000502 RSI: 0000000040186f40 RDI: 0000000000000003 RBP: 00007f7685ff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7686146080 R15: 00007ffd5000bc48 Allocated by task 6074: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] ubi_attach_mtd_dev+0x552/0x3540 drivers/mtd/ubi/build.c:933 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6074: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2338 [inline] slab_free mm/slub.c:4598 [inline] kfree+0x196/0x430 mm/slub.c:4746 device_release+0x9b/0x1c0 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x231/0x480 lib/kobject.c:737 ubi_attach_mtd_dev+0x8f5/0x3540 drivers/mtd/ubi/build.c:1076 ctrl_cdev_ioctl+0x346/0x570 drivers/mtd/ubi/cdev.c:1043 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88807d5e4000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 6360 bytes inside of freed 8192-byte region [ffff88807d5e4000, ffff88807d5e6000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d5e0 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801ac42280 ffffea0000d02400 dead000000000002 raw: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801ac42280 ffffea0000d02400 dead000000000002 head: 0000000000000000 0000000000020002 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea0001f57801 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5500, tgid 5500 (dhcpcd-run-hook), ts 42877966119, free_ts 42823509852 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x140 mm/slub.c:2408 allocate_slab+0x5a/0x2f0 mm/slub.c:2574 new_slab mm/slub.c:2627 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815 __slab_alloc+0x58/0xa0 mm/slub.c:3905 __slab_alloc_node mm/slub.c:3980 [inline] slab_alloc_node mm/slub.c:4141 [inline] __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4309 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] tomoyo_print_bprm security/tomoyo/audit.c:26 [inline] tomoyo_init_log+0x11cd/0x2050 security/tomoyo/audit.c:264 tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0x146e/0x1d40 security/tomoyo/domain.c:881 tomoyo_bprm_check_security+0x117/0x180 security/tomoyo/tomoyo.c:102 security_bprm_check+0x86/0x250 security/security.c:1296 search_binary_handler fs/exec.c:1736 [inline] exec_binprm fs/exec.c:1790 [inline] bprm_execve+0xa53/0x17a0 fs/exec.c:1842 page last free pid 5498 tgid 5498 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0xdef/0x1130 mm/page_alloc.c:2657 discard_slab mm/slub.c:2673 [inline] __put_partials+0xeb/0x130 mm/slub.c:3142 put_cpu_partial+0x17c/0x250 mm/slub.c:3217 __slab_free+0x2ea/0x3d0 mm/slub.c:4468 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4160 getname_flags+0xb7/0x540 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1396 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88807d5e5780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d5e5800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88807d5e5880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807d5e5900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807d5e5980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================