Extracting prog: 17m51.837093762s Minimizing prog: 2h52m1.576135955s Simplifying prog options: 0s Extracting C: 2m16.839231425s Simplifying C: 1h0m10.56825601s extracting reproducer from 24 programs testing a last program of every proc single: executing 4 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_IOAS_MAP$PAGES-ioctl$IOMMU_TEST_OP_CREATE_ACCESS-ioctl$IOMMU_TEST_OP_ACCESS_PAGES$syz-socket$nl_netfilter-sched_setattr-socket-socketpair$unix-sendmsg$nl_route-sendmsg$TIPC_NL_LINK_SET-sendmmsg-syz_emit_ethernet detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r2 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x88800, 0x0) ioctl$IOMMU_IOAS_ALLOC(r2, 0x3b81, &(0x7f00000003c0)={0xc, 0x0, 0x0}) ioctl$IOMMU_IOAS_MAP$PAGES(r2, 0x3b85, &(0x7f0000000040)={0x28, 0x7, r3, 0x0, &(0x7f0000800000/0x800000)=nil, 0x800000}) ioctl$IOMMU_TEST_OP_CREATE_ACCESS(r2, 0x3ba0, &(0x7f0000000340)={0x48, 0x5, r3, 0x0, 0xffffffffffffffff, 0x1}) ioctl$IOMMU_TEST_OP_ACCESS_PAGES$syz(r2, 0x3ba0, &(0x7f0000000080)={0x48, 0x7, r4, 0x0, 0x10001, 0x0, 0x1, 0xd6fe2, 0x11403f}) socket$nl_netfilter(0x10, 0x3, 0xc) sched_setattr(0x0, &(0x7f0000000dc0)={0x38, 0x5, 0x8, 0x9, 0x0, 0x9, 0x0, 0xaa, 0xfa11, 0xffffffff}, 0x0) r5 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000180)) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="440000001300a7cc4a372eaf541d002007000000", @ANYRES32, @ANYBLOB="00000000100000001c001a80080002802d00ff0008000200", @ANYBLOB="35874207"], 0x44}, 0x1, 0x0, 0x0, 0x50}, 0x20000080) sendmsg$TIPC_NL_LINK_SET(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[], 0x50}}, 0x0) sendmmsg(r5, &(0x7f0000000000), 0x400000000000047, 0x3f00) syz_emit_ethernet(0x7e, &(0x7f0000000300)=ANY=[@ANYBLOB="bbbbbbbbbbbbaaaaaaaaaaaa96dd60f81fcb00080000000010000000000000000000000000ff020090c9df6da75ce3d4c9e5cf9158ef3c78000000006000000000000000fc01000000000000000000000000000000000000000020000000ffff7f0000012f000400000000060001"], 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-dup-setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD-sendmsg$inet6-socket$nl_route-sendmsg$nl_route-setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS-pipe2$9p-write$P9_RSETATTR-splice-write$P9_RREAD-write$tun detailed listing: executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) r1 = dup(r0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000040)=[@in6={0xa, 0x4e24, 0xfffffffe, @loopback, 0x5}], 0x1c) sendmsg$inet6(r0, &(0x7f0000000800)={&(0x7f0000000080)={0xa, 0x4e24, 0xb, @loopback, 0x4}, 0x1c, &(0x7f0000000380)=[{&(0x7f00000000c0)="91", 0x1}], 0x1}, 0x48043) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[], 0x30}, 0x1, 0x0, 0x0, 0x4004000}, 0x40080) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000200)={0x0, @in6={{0xa, 0xce20, 0x6, @empty, 0x2a}}, 0x7, 0x1, 0xf06, 0x3, 0xb4, 0x7f, 0x9}, 0x9c) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000000)={0x7, 0x1b, 0x2}, 0xffffff9a) splice(r3, 0x0, r0, 0x0, 0x317e, 0x4) write$P9_RREAD(r1, &(0x7f0000000840)=ANY=[@ANYBLOB, @ANYRESOCT=r3], 0xb) write$tun(r1, &(0x7f0000000840)=ANY=[], 0x11b0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key-sendmsg$key-bind$inet-connect$inet-setsockopt$inet_IP_XFRM_POLICY-sendmmsg detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r4, &(0x7f0000000140)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902"], 0x10}}, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16) connect$inet(r3, &(0x7f0000000480)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f00000002c0)={{{@in=@multicast2, @in6=@mcast1, 0x4e20, 0x4, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0xee01}, {0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x3, 0xfffffffffffffffe}, {0x0, 0x0, 0xfffffffffffffffc, 0xff}, 0x0, 0x0, 0x1}, {{@in=@dev={0xac, 0x14, 0x14, 0x3c}, 0x0, 0x32}, 0x0, @in=@private=0xa010100, 0x0, 0x2, 0x0, 0xb7, 0xfffffffe, 0xffffff7e}}, 0xe8) sendmmsg(r3, &(0x7f0000007fc0), 0x800001d, 0x1c) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 22 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key-sendmsg$key-bind$inet-connect$inet-setsockopt$inet_IP_XFRM_POLICY detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r4, &(0x7f0000000140)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902"], 0x10}}, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16) connect$inet(r3, &(0x7f0000000480)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_IP_XFRM_POLICY(r3, 0x0, 0x11, &(0x7f00000002c0)={{{@in=@multicast2, @in6=@mcast1, 0x4e20, 0x4, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0xee01}, {0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x3, 0xfffffffffffffffe}, {0x0, 0x0, 0xfffffffffffffffc, 0xff}, 0x0, 0x0, 0x1}, {{@in=@dev={0xac, 0x14, 0x14, 0x3c}, 0x0, 0x32}, 0x0, @in=@private=0xa010100, 0x0, 0x2, 0x0, 0xb7, 0xfffffffe, 0xffffff7e}}, 0xe8) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key-sendmsg$key-bind$inet-connect$inet detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r4, &(0x7f0000000140)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902"], 0x10}}, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16) connect$inet(r3, &(0x7f0000000480)={0x2, 0x4e23, @multicast2}, 0x10) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key-sendmsg$key-bind$inet detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) r4 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r4, &(0x7f0000000140)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902"], 0x10}}, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x16) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key-sendmsg$key detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r3 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r3, &(0x7f0000000140)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000240)=ANY=[@ANYBLOB="0207000902"], 0x10}}, 0x0) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp-socket$key detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$key(0xf, 0x3, 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-mprotect-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-fcntl$lock-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-timer_create-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) r2 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-gettid-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) gettid() fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-pwritev2-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x5a00, 0x0, 0x3) timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r1 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in sys_clone testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) r1 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: WARNING in rcu_check_gp_start_stall testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(&(0x7f0000000140)='./file1\x00', 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in kthread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) gettid() timer_create(0x0, 0x0, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, 0x0, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: possible deadlock in l2cap_conn_del a never seen crash title: possible deadlock in l2cap_conn_del, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) syz_open_dev$sndmidi(0x0, 0x2, 0x141102) open(0x0, 0x66842, 0x2f) r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x7}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) prctl$PR_SET_IO_FLUSHER(0x43, 0x1) prctl$PR_SET_IO_FLUSHER(0x43, 0x0) socket$inet_udp(0x2, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 4h23m6.953805955s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5900/1:b..l rcu: (detected by 0, t=10503 jiffies, g=13205, q=409 ncpus=2) task:syz-executor state:R running task stack:22248 pid:5900 ppid:5893 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6701 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6868 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6892 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 vprintk_emit+0x587/0x610 kernel/printk/printk.c:2342 dev_vprintk_emit+0x339/0x3f0 drivers/base/core.c:4970 dev_printk_emit+0xef/0x140 drivers/base/core.c:4981 __netdev_printk+0x3bf/0x4a0 net/core/dev.c:11608 netdev_info+0x11f/0x170 net/core/dev.c:11663 nsim_udp_tunnel_set_port+0x28f/0x430 drivers/net/netdevsim/udp_tunnels.c:34 udp_tunnel_nic_device_sync_one net/ipv4/udp_tunnel_nic.c:-1 [inline] udp_tunnel_nic_device_sync_by_port net/ipv4/udp_tunnel_nic.c:246 [inline] __udp_tunnel_nic_device_sync+0xaa2/0x1430 net/ipv4/udp_tunnel_nic.c:289 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:312 [inline] __udp_tunnel_nic_add_port+0xaff/0xdb0 net/ipv4/udp_tunnel_nic.c:531 udp_tunnel_nic_add_port include/net/udp_tunnel.h:348 [inline] udp_tunnel_notify_add_rx_port+0x294/0x3e0 net/ipv4/udp_tunnel_core.c:127 geneve_socket_create drivers/net/geneve.c:614 [inline] geneve_sock_add+0x547/0x970 drivers/net/geneve.c:689 geneve_open+0xd3/0x140 drivers/net/geneve.c:731 __dev_open+0x2cb/0x430 net/core/dev.c:1519 __dev_change_flags+0x1e8/0x6a0 net/core/dev.c:8723 dev_change_flags+0x7c/0x1a0 net/core/dev.c:8795 do_setlink+0xb69/0x3f40 net/core/rtnetlink.c:2917 __rtnl_newlink net/core/rtnetlink.c:3715 [inline] rtnl_newlink+0x1848/0x2170 net/core/rtnetlink.c:3762 rtnetlink_rcv_msg+0x843/0xf90 net/core/rtnetlink.c:6484 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x4a9/0x6b0 net/socket.c:2201 __do_sys_sendto net/socket.c:2213 [inline] __se_sys_sendto net/socket.c:2209 [inline] __x64_sys_sendto+0xde/0xf0 net/socket.c:2209 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5ecd55e90e RSP: 002b:00007fff6854c7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00005555594cd500 RCX: 00007f5ecd55e90e RDX: 000000000000002c RSI: 00007f5ece354670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fff6854c824 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f5ece354670 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10551 jiffies! g13205 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26664 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6701 schedule+0xbd/0x170 kernel/sched/core.c:6775 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 5959 Comm: syz.1.23 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:216 Code: 10 46 7c 7e 65 8b 15 11 46 7c 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 24 16 00 00 00 74 2c 8b 91 00 16 00 00 <83> fa 02 75 21 48 8b 91 08 16 00 00 48 8b 32 48 8d 7e 01 8b 89 04 RSP: 0018:ffffc900031c7ca0 EFLAGS: 00000246 RAX: ffffffff81558d02 RBX: 0000000000000000 RCX: ffff888078595a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900031c7ea0 RBP: ffffc900031c7ea0 R08: ffffffff8e8c772f R09: 1ffffffff1d18ee5 R10: dffffc0000000000 R11: fffffbfff1d18ee6 R12: 00007ffca923c2f8 R13: dffffc0000000000 R14: 1ffff92000638fa8 R15: 00000000ffffffff FS: 000055555b936500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 0000000076ef9000 CR4: 00000000003506f0 Call Trace: __set_current_blocked+0x32/0x240 kernel/signal.c:3090 __ia32_sys_rt_sigreturn+0x22f/0x850 arch/x86/kernel/signal_64.c:261 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fae8593f459 Code: 11 06 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25 RSP: 002b:00007ffca923c300 EFLAGS: 00000206 ORIG_RAX: 000000000000000f RAX: ffffffffffffffda RBX: 00007fae85c25fa0 RCX: 00007fae8593f459 RDX: 00007ffca923c300 RSI: 00007ffca923c430 RDI: 0000000000000021 RBP: 00007fae85a35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007fae85c25fac R14: 00007fae85c25fa0 R15: 00007fae85c25fa0 sched: RT throttling activated report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-open-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prctl$PR_SET_IO_FLUSHER-prctl$PR_SET_IO_FLUSHER-socket$inet_udp program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=8013, q=75 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954904-4294944401), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10504 jiffies! g8013 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27848 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6701 schedule+0xbd/0x170 kernel/sched/core.c:6775 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5808 Comm: syz-executor285 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:entry_SYSCALL_64_after_hwframe+0x59/0xd2 Code: 45 31 e4 45 31 ed 45 31 f6 45 31 ff 48 89 e7 48 63 f0 66 90 b9 48 00 00 00 65 48 8b 14 25 b0 7f 02 00 89 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 d5 19 00 00 e8 b0 c1 ee ff 0f 1f 44 00 00 48 8b RSP: 0018:ffffc900046cff58 EFLAGS: 00000046 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000048 RDX: 0000000000000000 RSI: 000000000000009d RDI: ffffc900046cff58 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555566a7e480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 000000007cb9e000 CR4: 00000000003506f0 Call Trace: RIP: 0033:0x7f76a88fc4c9 Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcc0ebfb18 EFLAGS: 00000246 ORIG_RAX: 000000000000009d RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f76a88fc4c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f76a89770b2 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f76a89770b2 R13: 00007f76a897512a R14: 00007ffcc0ebfb60 R15: 0000000000000000