Extracting prog: 3m46.700478036s Minimizing prog: 1h2m37.929898745s Simplifying prog options: 0s Extracting C: 43.751260547s Simplifying C: 7m14.964489771s extracting reproducer from 1 programs testing a last program of every proc 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat-write-socket-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$inet(0x10, 0x3, 0x0) r1 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r2, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) r3 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r2) write$char_usb(r3, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r4, &(0x7f0000000500)='+p', 0x2) r5 = socket(0x10, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000024c80)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000024d40)=ANY=[@ANYBLOB="4400000010000d042abd7000077bf70000000000", @ANYRES32=r6, @ANYRESOCT=r2, @ANYRES32], 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat-write-socket-getsockname$packet-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$inet(0x10, 0x3, 0x0) r1 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r1) r2 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r2, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, 0x0) r3 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r2) write$char_usb(r3, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r4, &(0x7f0000000500)='+p', 0x2) r5 = socket(0x10, 0x803, 0x0) getsockname$packet(r5, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(r0, &(0x7f0000024c80)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000024d40)=ANY=[@ANYBLOB="4400000010000d042abd7000077bf70000000000", @ANYRES32=r6, @ANYRESOCT=r2, @ANYRES32], 0x44}, 0x1, 0x0, 0x0, 0x40040}, 0x0) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg single: successfully extracted reproducer found reproducer with 21 syscalls minimizing guilty program testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat-write-socket-getsockname$packet detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) r4 = socket(0x10, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000600)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat-write-socket detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) socket(0x10, 0x803, 0x0) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-openat detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-mount-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mkdirat-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-sched_setscheduler-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000003c0)=0x7) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-prlimit64-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x7, 0x100}, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-socket$nl_route-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r2, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_disconnect(r1) write$char_usb(0xffffffffffffffff, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r2, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_disconnect-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) syz_usb_disconnect(r0) syz_usb_control_io$printer(0xffffffffffffffff, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(0xffffffffffffffff) write$char_usb(r1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r2, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_emit_ethernet-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_emit_ethernet(0x4e, &(0x7f0000000140)={@local, @remote, @void, {@ipv4={0x800, @tcp={{0xb, 0x4, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x5, 0x0, @dev, @private=0xa010100, {[@timestamp_addr={0x44, 0x14, 0x5, 0x3, 0x0, [{@empty}, {@multicast1}]}, @generic={0x83, 0x2}]}}, {{0x4e20, 0x0, 0x41424344, 0x41424344, 0x0, 0x6, 0x5}}}}}}, 0x0) r0 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r0, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r0) write$char_usb(r1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r2, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet(0x10, 0x3, 0x0) syz_usb_disconnect(0xffffffffffffffff) r0 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r0, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r0) write$char_usb(r1, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r2, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, 0x0, 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x0, 0x0, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: SYZFAIL: failed to recv rpc ignore low priority crash: SYZFAIL: failed to recv rpc testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, 0x0}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, 0x0, &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', 0x0, 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, 0x0, 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, 0x0, 0x0) program did not crash testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg simplifying C reproducer testing compiled C program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg validation run: crashed=true testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_disconnect-syz_usb_connect$printer-syz_usb_control_io$printer-syz_usb_control_io-syz_usb_control_io-syz_open_dev$char_usb-syz_usb_disconnect-write$char_usb-mkdirat-mount-openat-write detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004898b610c2154500201f0102030109021b0001000500ea09040002018c78fd00090582f3c6"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x7, 0x1, 0x2, 0x8, 0x4b8, 0x202, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x1, 0x70, 0xc, "", [{{0x9, 0x4, 0x0, 0xc0, 0x1, 0x0, 0x0, 0x0, 0x9, "", {{{0x9, 0x5, 0x1, 0x2, 0x0, 0xcd, 0x8}}, [{{0x9, 0x5, 0x82, 0x2, 0x400, 0x1, 0x4}}]}}}]}}]}}, 0x0) syz_usb_control_io$printer(r1, &(0x7f00000000c0)={0x14, 0x0, &(0x7f0000000100)={0x0, 0x3, 0x2, @string={0x2}}}, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) r2 = syz_open_dev$char_usb(0xc, 0xb4, 0x80000000) syz_usb_disconnect(r1) write$char_usb(r2, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./debug\x00', 0x8) mount(0x0, &(0x7f0000000440)='./debug\x00', &(0x7f0000000480)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./debug/dynamic_debug/control\x00', 0x802, 0x0) write(r3, &(0x7f0000000500)='+p', 0x2) program crashed: KASAN: slab-use-after-free Read in __dynamic_dev_dbg validation run: crashed=true reproducing took 1h18m53.887529467s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in dev_driver_string+0x35/0xd0 drivers/base/core.c:2476 Read of size 8 at addr ffff8880134820e0 by task syz.0.17/5544 CPU: 0 UID: 0 PID: 5544 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 dev_driver_string+0x35/0xd0 drivers/base/core.c:2476 __dynamic_dev_dbg+0x1ae/0x2e0 lib/dynamic_debug.c:906 display_close+0x1f9/0x240 drivers/media/rc/imon.c:580 __fput+0x40d/0xa50 fs/file_table.c:512 fput_close_sync+0x11f/0x240 fs/file_table.c:618 filp_close_sync+0x6e/0xa0 fs/open.c:1573 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e0139f559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd65588368 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007ffd65588450 RCX: 00007f0e0139f559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 000000000002674e R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32620000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0e01625fac R14: 00007f0e01625fa8 R15: 00007f0e01625fa0 Allocated by task 5413: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] usb_set_configuration+0x3c5/0x2260 drivers/usb/core/message.c:2102 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3776 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2713 hub_port_connect drivers/usb/core/hub.c:5585 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 10: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6509 [inline] kfree+0x1c5/0x650 mm/slub.c:6802 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 usb_disable_device+0x611/0x8d0 drivers/usb/core/message.c:1491 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2355 hub_port_connect drivers/usb/core/hub.c:5425 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888013482000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 224 bytes inside of freed 2048-byte region [ffff888013482000, ffff888013482800) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13480 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 ffff88801c042000 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801c042000 dead000000000100 dead000000000122 head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5314, tgid 5314 (syz-executor), ts 121890220655 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab+0x7d/0x620 mm/slub.c:3462 new_slab mm/slub.c:3513 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7418 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __kmalloc_cache_noprof+0x39b/0x600 mm/slub.c:5559 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] rxrpc_alloc_connection+0x7b/0x590 net/rxrpc/conn_object.c:62 rxrpc_prealloc_service_connection+0x26/0x300 net/rxrpc/conn_service.c:123 rxrpc_service_prealloc_one+0x2d6/0xe10 net/rxrpc/call_accept.c:86 rxrpc_kernel_charge_accept+0xc7/0x120 net/rxrpc/call_accept.c:489 afs_charge_preallocation+0x3ec/0x570 fs/afs/rxrpc.c:766 afs_open_socket+0x33c/0x3f0 fs/afs/rxrpc.c:112 afs_net_init+0x67d/0x880 fs/afs/main.c:116 ops_init+0x35d/0x5d0 net/core/net_namespace.c:137 setup_net+0x118/0x350 net/core/net_namespace.c:443 page last free pid 5295 tgid 5295 ts 112176681398 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] free_unref_folios+0xdc2/0x14e0 mm/page_alloc.c:3022 folios_put_refs+0x9e9/0xb30 mm/folio.c:1036 free_pages_and_swap_cache+0x2ba/0x490 mm/swap_state.c:592 __tlb_batch_free_encoded_pages mm/mmu_gather.c:138 [inline] tlb_batch_pages_flush mm/mmu_gather.c:151 [inline] tlb_flush_mmu_free mm/mmu_gather.c:417 [inline] tlb_flush_mmu+0x6d3/0xa30 mm/mmu_gather.c:424 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549 unmap_region+0x2a5/0x330 mm/vma.c:535 vms_clear_ptes mm/vma.c:1383 [inline] vms_complete_munmap_vmas+0x427/0xbe0 mm/vma.c:1425 do_vmi_align_munmap+0x3b7/0x4b0 mm/vma.c:1684 do_vmi_munmap+0x252/0x2d0 mm/vma.c:1732 __vm_munmap+0x241/0x3e0 mm/vma.c:3415 __do_sys_munmap mm/mmap.c:1094 [inline] __se_sys_munmap mm/mmap.c:1091 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1091 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888013481f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888013482000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888013482080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888013482100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888013482180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in dev_driver_string+0x35/0xd0 drivers/base/core.c:2476 Read of size 8 at addr ffff8880134820e0 by task syz.0.17/5544 CPU: 0 UID: 0 PID: 5544 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 dev_driver_string+0x35/0xd0 drivers/base/core.c:2476 __dynamic_dev_dbg+0x1ae/0x2e0 lib/dynamic_debug.c:906 display_close+0x1f9/0x240 drivers/media/rc/imon.c:580 __fput+0x40d/0xa50 fs/file_table.c:512 fput_close_sync+0x11f/0x240 fs/file_table.c:618 filp_close_sync+0x6e/0xa0 fs/open.c:1573 __range_close fs/file.c:919 [inline] __do_sys_close_range fs/file.c:1003 [inline] __se_sys_close_range+0xa77/0xef0 fs/file.c:954 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e0139f559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd65588368 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007ffd65588450 RCX: 00007f0e0139f559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 000000000002674e R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32620000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0e01625fac R14: 00007f0e01625fa8 R15: 00007f0e01625fa0 Allocated by task 5413: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] usb_set_configuration+0x3c5/0x2260 drivers/usb/core/message.c:2102 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620 device_add+0x7d7/0xb80 drivers/base/core.c:3776 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2713 hub_port_connect drivers/usb/core/hub.c:5585 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 10: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6509 [inline] kfree+0x1c5/0x650 mm/slub.c:6802 device_release+0xc4/0x1f0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x222/0x550 lib/kobject.c:737 usb_disable_device+0x611/0x8d0 drivers/usb/core/message.c:1491 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2355 hub_port_connect drivers/usb/core/hub.c:5425 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888013482000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 224 bytes inside of freed 2048-byte region [ffff888013482000, ffff888013482800) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13480 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 ffff88801c042000 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801c042000 dead000000000100 dead000000000122 head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5314, tgid 5314 (syz-executor), ts 121890220655 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab+0x7d/0x620 mm/slub.c:3462 new_slab mm/slub.c:3513 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7418 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __kmalloc_cache_noprof+0x39b/0x600 mm/slub.c:5559 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] rxrpc_alloc_connection+0x7b/0x590 net/rxrpc/conn_object.c:62 rxrpc_prealloc_service_connection+0x26/0x300 net/rxrpc/conn_service.c:123 rxrpc_service_prealloc_one+0x2d6/0xe10 net/rxrpc/call_accept.c:86 rxrpc_kernel_charge_accept+0xc7/0x120 net/rxrpc/call_accept.c:489 afs_charge_preallocation+0x3ec/0x570 fs/afs/rxrpc.c:766 afs_open_socket+0x33c/0x3f0 fs/afs/rxrpc.c:112 afs_net_init+0x67d/0x880 fs/afs/main.c:116 ops_init+0x35d/0x5d0 net/core/net_namespace.c:137 setup_net+0x118/0x350 net/core/net_namespace.c:443 page last free pid 5295 tgid 5295 ts 112176681398 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] free_unref_folios+0xdc2/0x14e0 mm/page_alloc.c:3022 folios_put_refs+0x9e9/0xb30 mm/folio.c:1036 free_pages_and_swap_cache+0x2ba/0x490 mm/swap_state.c:592 __tlb_batch_free_encoded_pages mm/mmu_gather.c:138 [inline] tlb_batch_pages_flush mm/mmu_gather.c:151 [inline] tlb_flush_mmu_free mm/mmu_gather.c:417 [inline] tlb_flush_mmu+0x6d3/0xa30 mm/mmu_gather.c:424 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549 unmap_region+0x2a5/0x330 mm/vma.c:535 vms_clear_ptes mm/vma.c:1383 [inline] vms_complete_munmap_vmas+0x427/0xbe0 mm/vma.c:1425 do_vmi_align_munmap+0x3b7/0x4b0 mm/vma.c:1684 do_vmi_munmap+0x252/0x2d0 mm/vma.c:1732 __vm_munmap+0x241/0x3e0 mm/vma.c:3415 __do_sys_munmap mm/mmap.c:1094 [inline] __se_sys_munmap mm/mmap.c:1091 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1091 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888013481f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888013482000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888013482080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888013482100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888013482180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================