Extracting prog: 53.289367943s Minimizing prog: 14m41.671180465s Simplifying prog options: 1m41.033811444s Extracting C: 35.967003355s Simplifying C: 0s extracting reproducer from 25 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r2, 0x14) (async) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) (async) listen(r0, 0x0) (async) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) (async) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue single: successfully extracted reproducer found reproducer with 22 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r2, 0x14) (async) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) (async) listen(r0, 0x0) (async) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r2, 0x14) (async) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) (async) listen(r0, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6 detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r2, 0x14) (async) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) tkill(r2, 0x14) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) gettid() (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_create detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-rt_sigprocmask-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-gettid-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) gettid() (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-socket$inet6_tcp-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) (async) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-syz_emit_ethernet-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) syz_emit_ethernet(0x4a, &(0x7f0000000180)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd6000400000140600fe880000000000000000000000000101fe8000000000000000000000000000aa4e244e24", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB='P\x00\x00\x00\x00\x00\x00'], 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-setsockopt$inet6_tcp_TCP_MD5SIG-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x4e20, 0x3, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}, 0x6}}, 0x0, 0x0, 0x3, 0x0, "9ecf3315567f14d56a87d1b2cc409e2a652dbbf6c50480937c6fa85af81bc6fc54b71f034d5ac33e31d612d976920300000000000000503621ec6679995d916cb4361795dd7dbae51d07384b7c2e6949"}, 0xd8) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-listen-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) listen(r0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-bind$inet6-timer_settime detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r1}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r2 = gettid() tkill(r2, 0x14) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-gettid-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) gettid() timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-timer_settime-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) tkill(0x0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_create-gettid-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-rt_sigprocmask-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-gettid-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) (async) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: r0 = gettid() rt_sigprocmask(0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000001080)={0x0, 0x12, 0x4, @tid=r0}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r1 = gettid() tkill(r1, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program crashed: WARNING in posixtimer_send_sigqueue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime program did not crash simplifying guilty program options testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-rt_sigprocmask-timer_create-timer_settime-gettid-tkill-timer_settime detailed listing: executing program 0: gettid() rt_sigprocmask(0x0, &(0x7f0000000040)={[0xfffffffffffffffb]}, 0x0, 0x8) timer_create(0x0, 0x0, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) r0 = gettid() tkill(r0, 0x14) timer_settime(0x0, 0x0, &(0x7f0000040fe0)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) program did not crash reproducing took 17m51.961379935s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8685 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050 Modules linked in: CPU: 1 UID: 0 PID: 8685 Comm: syz.0.1297 Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050 Code: ff ff 4c 89 e7 e8 98 ff 9d 00 e9 7e f8 ff ff 41 bf 02 00 00 00 e9 87 f8 ff ff 48 89 54 24 10 48 89 44 24 08 e8 59 51 3b 00 90 <0f> 0b 90 48 8d 7b 10 48 8b 44 24 08 48 b9 00 00 00 00 00 fc ff df RSP: 0018:ffffc900006b0d50 EFLAGS: 00010046 RAX: 0000000080010003 RBX: ffff888051b552c0 RCX: 1ffff1100a36aa5b RDX: ffff888027754880 RSI: ffffffff815ec2e7 RDI: 0000000000000001 RBP: ffff888027754880 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: ffff888051b55364 R13: 1ffff920000d61af R14: ffff888051b55398 R15: ffff888051b55380 FS: 00007f85b86d06c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc563e3aa23 CR3: 000000004fc56000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: posix_timer_fn+0x31/0x60 kernel/time/posix-timers.c:323 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 04 4b f6 48 89 df e8 ce 83 4b f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 68 3c f6 65 8b 05 96 23 d8 74 85 c0 74 16 5b RSP: 0018:ffffc9000d86fd58 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff888051b552f0 RCX: 1ffffffff20bdd41 RDX: 0000000000000000 RSI: ffffffff8b6cd840 RDI: ffffffff8bd1e7e0 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905f2c57 R11: 0000000000000002 R12: ffffc9000d86fe50 R13: 0000000000000000 R14: 1ffff92001b0dfb1 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] unlock_timer kernel/time/posix-timers.c:128 [inline] do_timer_settime+0x315/0x400 kernel/time/posix-timers.c:908 __do_sys_timer_settime kernel/time/posix-timers.c:928 [inline] __se_sys_timer_settime kernel/time/posix-timers.c:914 [inline] __x64_sys_timer_settime+0x26a/0x2c0 kernel/time/posix-timers.c:914 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f85b7985d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f85b86d0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df RAX: ffffffffffffffda RBX: 00007f85b7b75fa0 RCX: 00007f85b7985d19 RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f85b7a01a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f85b7b75fa0 R15: 00007ffdfa98eef8 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 86 04 4b f6 call 0xf64b0499 13: 48 89 df mov %rbx,%rdi 16: e8 ce 83 4b f6 call 0xf64b83e9 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 c5 68 3c f6 call 0xf63c68f9 34: 65 8b 05 96 23 d8 74 mov %gs:0x74d82396(%rip),%eax # 0x74d823d1 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8685 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050 Modules linked in: CPU: 1 UID: 0 PID: 8685 Comm: syz.0.1297 Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050 Code: ff ff 4c 89 e7 e8 98 ff 9d 00 e9 7e f8 ff ff 41 bf 02 00 00 00 e9 87 f8 ff ff 48 89 54 24 10 48 89 44 24 08 e8 59 51 3b 00 90 <0f> 0b 90 48 8d 7b 10 48 8b 44 24 08 48 b9 00 00 00 00 00 fc ff df RSP: 0018:ffffc900006b0d50 EFLAGS: 00010046 RAX: 0000000080010003 RBX: ffff888051b552c0 RCX: 1ffff1100a36aa5b RDX: ffff888027754880 RSI: ffffffff815ec2e7 RDI: 0000000000000001 RBP: ffff888027754880 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: ffff888051b55364 R13: 1ffff920000d61af R14: ffff888051b55398 R15: ffff888051b55380 FS: 00007f85b86d06c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc563e3aa23 CR3: 000000004fc56000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: posix_timer_fn+0x31/0x60 kernel/time/posix-timers.c:323 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 04 4b f6 48 89 df e8 ce 83 4b f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 68 3c f6 65 8b 05 96 23 d8 74 85 c0 74 16 5b RSP: 0018:ffffc9000d86fd58 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff888051b552f0 RCX: 1ffffffff20bdd41 RDX: 0000000000000000 RSI: ffffffff8b6cd840 RDI: ffffffff8bd1e7e0 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905f2c57 R11: 0000000000000002 R12: ffffc9000d86fe50 R13: 0000000000000000 R14: 1ffff92001b0dfb1 R15: dffffc0000000000 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] unlock_timer kernel/time/posix-timers.c:128 [inline] do_timer_settime+0x315/0x400 kernel/time/posix-timers.c:908 __do_sys_timer_settime kernel/time/posix-timers.c:928 [inline] __se_sys_timer_settime kernel/time/posix-timers.c:914 [inline] __x64_sys_timer_settime+0x26a/0x2c0 kernel/time/posix-timers.c:914 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f85b7985d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f85b86d0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000df RAX: ffffffffffffffda RBX: 00007f85b7b75fa0 RCX: 00007f85b7985d19 RDX: 0000000020040fe0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f85b7a01a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f85b7b75fa0 R15: 00007ffdfa98eef8 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 86 04 4b f6 call 0xf64b0499 13: 48 89 df mov %rbx,%rdi 16: e8 ce 83 4b f6 call 0xf64b83e9 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 c5 68 3c f6 call 0xf63c68f9 34: 65 8b 05 96 23 d8 74 mov %gs:0x74d82396(%rip),%eax # 0x74d823d1 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx