Extracting prog: 33m44.23792913s Minimizing prog: 2h13m17.171005564s Simplifying prog options: 0s Extracting C: 4m18.588143281s Simplifying C: 32m11.228700166s extracting reproducer from 31 programs testing a last program of every proc single: executing 6 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}}): syz_init_net_socket$bt_l2cap-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-sendmsg$key-getpid-mprotect-shutdown-mkdirat-mount-openat-socket$inet_tcp-socket$inet_tcp-bind$inet-listen-connect$inet-accept$inet-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_ATTACH-bpf$MAP_UPDATE_ELEM-sendto-sendto detailed listing: executing program 0: syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) prctl$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) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) getpid() mprotect(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x6) shutdown(0xffffffffffffffff, 0x32ce970513f32900) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:01.0/remove\x00', 0x1, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) listen(r1, 0x8) connect$inet(r2, &(0x7f0000000010)={0x2, 0x4e20, @loopback}, 0x10) r3 = accept$inet(r1, 0x0, 0x0) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)=@base={0xf, 0x4, 0x4, 0x1, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x10, 0xa, &(0x7f0000000300)=@raw=[@generic={0xbf, 0x6, 0x1}, @generic={0xb7, 0x2, 0x0, 0x0, 0x64}, @generic={0x85, 0x0, 0x0, 0x0, 0x3e}, @generic={0xbf, 0x1, 0x6}, @map_fd={0x18, 0x2, 0x1, 0x0, r4}, @generic={0xb7, 0x3}, @generic={0xb7, 0x4}, @generic={0x85, 0x0, 0x0, 0x0, 0x3c}, @generic={0x95}], &(0x7f0000000400)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sk_msg=0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x94) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000100)=ANY=[@ANYRES32=r4, @ANYRES32=r5, @ANYBLOB='\a'], 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000600)={r4, &(0x7f0000000640), &(0x7f0000000680)=@tcp=r3}, 0x20) sendto(r3, &(0x7f0000000700)='abcd', 0x4, 0x0, 0x0, 0x0) sendto(r3, &(0x7f0000000800)='012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345', 0x60, 0x0, 0x0, 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$nl_route-sendmsg$nl_route-sched_setscheduler-prctl$PR_SCHED_CORE-sched_setaffinity-syz_open_dev$MSR-read$msr-memfd_create-socketpair$tipc-sendmmsg$sock-socket$nl_xfrm-ioctl$KVM_SET_CPUID2-close-sendmsg$nl_xfrm-sendmsg$key-socket$inet6-socket-bpf$MAP_CREATE_TAIL_CALL-bpf$PROG_LOAD-bpf$BPF_PROG_ATTACH-connect$unix-socket$nl_route-getsockname$packet-socket$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, 0x0, 0x4000000) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x10000000000002) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000000300)=""/102400, 0x19000) memfd_create(&(0x7f0000000000)='-B\xd5NI\xc5j\x9appp\xf0\b\x84\xa2m\x00\v\x1c\x004\xa6Ey\xdb\xd1\xa7\xb1S\xf1:)\x00\xca\x83\x11\v}k+\xeb\xc3\xc0O\xae\xd2\xd7Uw\x00\xbc\xfa2\xb3\xbb\x8d\xac\xac\xbe\xe1}knh#\xcf)\x0f\xc8\xc0\"\x9cc\x10d\xee\xa9\x8b\x06\x97k\xde\xc5\xe96\xddU)\xc98M\xcd\xfb\xcc\x82n=\x7f=\xcdJx\xaa\xcf~\xb901nEy\x82\x83\x80\xd3O\x00|hP\x00\x00\x00\x00\x00\x00\x00\x05\x86\xfe\xd9\xa5\xc6\nSy\xa3N\xba-]\'q\xc6\xfb\x02\x9a\xa9Z\xa8\x80Bx\xbd74\xcf\"\xa5\xea$\x95\xfd\x06T\xef\x89\xe4j\x06\xdc\x15\xe7\xc3\xb5H\xf7\xdc\xee\x182\xab\xe2?\"\xbewm\x9d\xd8x\xd92\xeeS/\xd2\xcd[\x9dcO1\xcb\x12lZ$\xa7\x9d\xf8b\xf6}\xc5``\xfe0\x8a\'v-\x99`?\x97\x8c\xdd\xd6\xfa\xa2\x06>\xf3\xe2uI\xe65C\xdb\x84\xe6eU\xe8RK\xd6=s\xcd\x9d\x1f#3\xc5\x16\xd0\xbbD\xc5\xde\xc8/\v\xa5W\xbep\x87\x15\x10\xcdm\xa7\x93\x01\x1c,9V8\xdc\xfd\xb7\xc0\xfc\x04\x00p\xad\x12\xb2\xbf\xfbFZ\x1a\f\x99\x05\xe4\x1eP\xed\x87\x89\xbeo\xfbv\xb6\x8a\x1c\xe4\xd8\xb58\xaf\x11[\xc3\x98w-\xf0\xb2z\xc7\xaf;\x92\xad4\x1b\x92L\x97<\xbdh\x80\xf2\xc0\xd0n)K\xf2#Nc\xdd\xe4\xb4\xfb\x94\x18\xc2-TWA\x13\xfe\xea\xad\v\xc4\xa5\x02\xf9\xed]\xf4\\\x01\xab\xdc\xb6\xcdP\x93\xf2\xc3\x96\xf2\xc0\xd6-x\xd5\xd6\xc7\x9d\xa5\x1f\xd2t\xd7\x8f}b\x9749\xd4a7\x18\xe0\x91KV7[\xb8\x8dL\xc8\xc8\x8f>sbE\xf5\xa7\xdb|\xb0m\x16c\x84\r\"\xf2\x92s\xeb\xaf\x1c\x00\xf4\x8dL\xa5\x10\x89FB\xfb8\xf9\x9d\xcbm\x1c\x91\xe9fd$5\xdc\xad\xec\xef\x90\xd9\xefX\xd2m\x9e\xec\x94w\xb3\xf9\xd9\x0eu-z\x81\xbb\xa6\xc0\x00\xa1\xd9\xcbI\xda\xa3\b\x9e@\xb8\xc8k\x00\b\x00\x00X\x9c\xff4Np~\xc4\xc1_\x1c#zX\a\xd41\x1c\x7fH\x91\xd9k\x05\x1f\n\b\b\x88\xd6\xcf4i\xa0B\xe7\x9c\x9c\xe6\xcax\xca\xa1E#6\xe9\xf31\xb0\x87O\xc3\xa3AW\xd0\x1bY3/\x00I#\xfa\xb0\f\xd5!\x9fR[\x0e\xdb`\xdb\x82M\'k\x16(\xfa\xc2\xec\x96e\\Q\xe9\x19\xe1u\x86\xcb\xc3\xb0\xb8\x19\xb9l\x1fk!R\xb1P\x8b\xda\xffE\x89\x97\n\x17m\xd10\x1a\xe7Qz\xd8\bi\x8dRw+\xa1^N\xaf\x1b\x1dg\x8f$\xbe\x93\x8d\x8b\xfd\r\xee<\x84\x95\x82)TH\xcac9\x98\x13WW@;\xb4\xd5\x0f\xa1\xb3xX(\x80\xe8\x89\xed e.\xe04\xba\x9c=\xc6\x04\f\xbf\x06\xce5\xf99GD8@\xd2\r\xd0\xdf@\xe3\xbe\"qq#]\x86W\tA\xa7\x91\x85\xae\x9c\x8dO\xa6\xa3\xf9i\x83\xc5\xa8C\x164\xef\xa4\\\a\xaa%\x94!3k]~\xfc1\xe5w\"\xa3\x8d\xe7\xd4x\xb3\xfa(\xc9\xc2bb\xb1\xa8\xe1\xc2\xec\xca\x7f\xe1\x1e\xb9\xd4\x80-6L\x91\x9b\xad\x85`\xf2+\xfbN+\x0e\xa6\xc4M\xda\xfc\xa1gZ)STB\xd1\xd1\xf1', 0x8) socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) sendmmsg$sock(r2, &(0x7f00000044c0), 0x4000000000001c0, 0x0) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) ioctl$KVM_SET_CPUID2(0xffffffffffffffff, 0x4008ae90, 0x0) close(0x3) sendmsg$nl_xfrm(r3, 0x0, 0x24040800) sendmsg$key(0xffffffffffffffff, 0x0, 0x4000050) r4 = socket$inet6(0xa, 0x4, 0x0) r5 = socket(0x10, 0x80000, 0x0) r6 = bpf$MAP_CREATE_TAIL_CALL(0x0, 0x0, 0x50) r7 = bpf$PROG_LOAD(0x5, &(0x7f0000019300)={0x3, 0x8, &(0x7f00000004c0)=ANY=[@ANYRES32=r4, @ANYRES32=r6], &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$BPF_PROG_ATTACH(0x8, &(0x7f00000193c0)=ANY=[@ANYRES32=r3, @ANYRES32=r7, @ANYBLOB='\r\x00\x00\x00,\x00\x00\x00', @ANYRES32, @ANYBLOB="067f1ef853484e72579731cf69a1285055b58fdba970d1bd71811de72269c3d1d8b8bc30", @ANYRES32=0x0, @ANYRES64=0x0], 0x20) connect$unix(r5, &(0x7f0000000040)=@file={0x1}, 0x6e) socket$nl_route(0x10, 0x3, 0x0) getsockname$packet(r5, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) socket$nl_route(0x10, 0x3, 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}}): ioctl$XFS_IOC_SCRUB_METADATA-syz_open_dev$sg-ioctl$SG_SET_FORCE_PACK_ID-fcntl$dupfd-readv-mprotect-write$snddsp detailed listing: executing program 0: ioctl$XFS_IOC_SCRUB_METADATA(0xffffffffffffffff, 0xc040583c, &(0x7f0000000340)={0x1a, 0x1, 0x7, 0x80000001}) r0 = syz_open_dev$sg(&(0x7f0000000140), 0xa, 0x28102) ioctl$SG_SET_FORCE_PACK_ID(r0, 0x227b, &(0x7f00000001c0)=0x2001) r1 = fcntl$dupfd(r0, 0x0, r0) readv(r1, &(0x7f0000000180)=[{&(0x7f0000000200)=""/132, 0x84}], 0x1) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) write$snddsp(r1, &(0x7f0000000340)="87ecc00c05dbb58b776f34f9b779d998d21e0e3353", 0x15) 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}}): ioctl$TIOCSETD-bpf$PROG_LOAD-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_LISTEN-close_range detailed listing: executing program 0: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000300)={0xffffffffffffffff}, 0x106, 0x8}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r2, &(0x7f0000000100)={0x7, 0x8, 0xfa00, {r3, 0x2000000a}}, 0x10) close_range(r2, r2, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_chdev-getpid-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_bdev detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000003000), r5, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit single: successfully extracted reproducer found reproducer with 10 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_chdev-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_chdev-getpid-syz_io_uring_submit$UBLK detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_chdev-getpid-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2) getpid() io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-syz_open_dev$ublk_chdev-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) syz_open_dev$ublk_chdev(&(0x7f0000002000), r5, 0x2) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-syz_io_uring_submit$UBLK-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000600)=@ublk_set_params_sqe={0x2e, 0x0, 0x0, r0, 0xc0207508, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x30, &(0x7f0000000680)={0x30, 0x1, {0x0, 0x9, 0xc, 0xc, 0x9, 0x8}}}}) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r5 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0x0, 0xffff, 0x0, 0x0, r5}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(0xffffffffffffffff, 0x1, 0x1, 0x1, 0x0, 0x0) r2 = getpid() syz_io_uring_submit$UBLK(0x0, 0x0, 0x0, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r1, 0xffff, 0x0, 0x0, r2}}) io_uring_enter(0xffffffffffffffff, 0x1, 0x1, 0x1, 0x0, 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}}): syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r4 = syz_ublk_add_dev(r0, r1, r2, r3, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r0, 0x1, 0x1, 0x1, 0x0, 0x0) r5 = getpid() syz_io_uring_submit$UBLK(r1, r2, r3, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r4, 0xffff, 0x0, 0x0, r5}}) io_uring_enter(r0, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, 0x0, 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, 0x0, &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), 0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r4 = syz_ublk_add_dev(r1, 0x0, r2, r3, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r5 = getpid() syz_io_uring_submit$UBLK(0x0, r2, r3, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r4, 0xffff, 0x0, 0x0, r5}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, 0x0, &(0x7f0000000140)=0x0) r4 = syz_ublk_add_dev(r1, r2, 0x0, r3, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r5 = getpid() syz_io_uring_submit$UBLK(r2, 0x0, r3, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r4, 0xffff, 0x0, 0x0, r5}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, 0x0) r4 = syz_ublk_add_dev(r1, r2, r3, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x48, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r5 = getpid() syz_io_uring_submit$UBLK(r2, r3, 0x0, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r4, 0xffff, 0x0, 0x0, r5}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, 0x0, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x0, 0x0}}, &(0x7f0000000300)) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) getpid() syz_io_uring_submit$UBLK(r2, r3, r4, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit 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}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter program crashed: INFO: task hung in io_wq_put_and_exit testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ublk_ctrl-syz_ublk_setup_io_uring-syz_ublk_add_dev-io_uring_enter-getpid-syz_io_uring_submit$UBLK-io_uring_enter detailed listing: executing program 0: r0 = openat$ublk_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = syz_ublk_setup_io_uring(0x20, &(0x7f0000000040), &(0x7f00000000c0)=0x0, &(0x7f0000000100)=0x0, &(0x7f0000000140)=0x0) r5 = syz_ublk_add_dev(r1, r2, r3, r4, &(0x7f0000000200)={0x2e, 0x0, 0x0, r0, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000500)=@new_dev={0x1, 0x4}}}, 0x0) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) r6 = getpid() syz_io_uring_submit$UBLK(r2, r3, r4, &(0x7f0000000c00)=@ublk_start_dev_sqe={0x2e, 0x0, 0x0, r0, 0xc0207506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', {r5, 0xffff, 0x0, 0x0, r6}}) io_uring_enter(r1, 0x1, 0x1, 0x1, 0x0, 0x0) program crashed: INFO: task hung in io_wq_put_and_exit validation run: crashed=true reproducing took 3h36m10.749946844s repro crashed as (corrupted=false): INFO: task syz.0.20:5939 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.20 state:D stack:25512 pid:5939 ppid:5893 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+0xc1/0x2d0 kernel/time/timer.c:2144 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x2c6/0x5a0 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1267 [inline] io_wq_put_and_exit+0x493/0x820 io_uring/io-wq.c:1295 io_uring_clean_tctx+0x12f/0x1b0 io_uring/tctx.c:204 io_uring_cancel_generic+0x610/0x6c0 io_uring/io_uring.c:3507 io_uring_files_cancel include/linux/io_uring.h:69 [inline] do_exit+0x5f4/0x2530 kernel/exit.c:836 do_group_exit+0x22d/0x2f0 kernel/exit.c:1032 __do_sys_exit_group kernel/exit.c:1043 [inline] __se_sys_exit_group kernel/exit.c:1041 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041 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: 0033:0x7fb4dd99e0d9 RSP: 002b:00007ffc7e42dc08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4dd99e0d9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc7e42dc6c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003 R13: 00000000000927c0 R14: 0000000000018a21 R15: 00007ffc7e42dcc0 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline] #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline] #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 kernel/locking/lockdep.c:6633 2 locks held by kworker/u4:9/1102: 2 locks held by getty/5534: #0: ffff88814d2ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x428/0x1370 drivers/tty/n_tty.c:2217 2 locks held by dhcpcd/6134: #0: ffff88805afbc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1780 [inline] #0: ffff88805afbc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xd40 net/packet/af_packet.c:3264 #1: ffffffff8d137778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #1: ffffffff8d137778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x306/0x880 kernel/rcu/tree_exp.h:1004 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 nmi_cpu_backtrace+0x3a6/0x3e0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x2f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf59/0xfa0 kernel/hung_task.c:379 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 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1145 Comm: kworker/u4:11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_unbound nsim_dev_trap_report_work RIP: 0010:check_region_inline mm/kasan/generic.c:-1 [inline] RIP: 0010:kasan_check_range+0x12/0x290 mm/kasan/generic.c:187 Code: 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc 66 0f 1f 00 b0 01 48 85 f6 0f 84 b4 01 00 00 55 41 57 <41> 56 41 55 41 54 53 4c 8d 04 37 49 39 f8 0f 82 13 02 00 00 49 89 RSP: 0018:ffffc900048df4c8 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffffff816893c2 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff911ed5e8 RBP: ffffc900048df728 R08: dffffc0000000000 R09: 1ffffffff223dac1 R10: dffffc0000000000 R11: fffffbfff223dac2 R12: 0000000000000003 R13: ffff888023da0b80 R14: 000000000000077a R15: ffff888023da0b80 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e63eb79660 CR3: 000000002f542000 CR4: 00000000003506f0 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class kernel/locking/lockdep.c:228 [inline] check_wait_context kernel/locking/lockdep.c:4798 [inline] __lock_acquire+0x952/0x7d80 kernel/locking/lockdep.c:5087 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162 __debug_check_no_obj_freed lib/debugobjects.c:1034 [inline] debug_check_no_obj_freed+0x9e/0x520 lib/debugobjects.c:1075 slab_free_hook mm/slub.c:1786 [inline] slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 skb_kfree_head net/core/skbuff.c:946 [inline] skb_free_head net/core/skbuff.c:958 [inline] skb_release_data+0x609/0x7f0 net/core/skbuff.c:988 skb_release_all net/core/skbuff.c:1054 [inline] __kfree_skb net/core/skbuff.c:1068 [inline] consume_skb+0xb2/0x110 net/core/skbuff.c:1284 nsim_dev_trap_report drivers/net/netdevsim/dev.c:821 [inline] nsim_dev_trap_report_work+0x723/0xa90 drivers/net/netdevsim/dev.c:851 process_one_work kernel/workqueue.c:2657 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815 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 final repro crashed as (corrupted=false): INFO: task syz.0.20:5939 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.20 state:D stack:25512 pid:5939 ppid:5893 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+0xc1/0x2d0 kernel/time/timer.c:2144 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x2c6/0x5a0 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1267 [inline] io_wq_put_and_exit+0x493/0x820 io_uring/io-wq.c:1295 io_uring_clean_tctx+0x12f/0x1b0 io_uring/tctx.c:204 io_uring_cancel_generic+0x610/0x6c0 io_uring/io_uring.c:3507 io_uring_files_cancel include/linux/io_uring.h:69 [inline] do_exit+0x5f4/0x2530 kernel/exit.c:836 do_group_exit+0x22d/0x2f0 kernel/exit.c:1032 __do_sys_exit_group kernel/exit.c:1043 [inline] __se_sys_exit_group kernel/exit.c:1041 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1041 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: 0033:0x7fb4dd99e0d9 RSP: 002b:00007ffc7e42dc08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4dd99e0d9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc7e42dc6c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003 R13: 00000000000927c0 R14: 0000000000018a21 R15: 00007ffc7e42dcc0 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline] #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline] #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 kernel/locking/lockdep.c:6633 2 locks held by kworker/u4:9/1102: 2 locks held by getty/5534: #0: ffff88814d2ac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x428/0x1370 drivers/tty/n_tty.c:2217 2 locks held by dhcpcd/6134: #0: ffff88805afbc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1780 [inline] #0: ffff88805afbc130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xd40 net/packet/af_packet.c:3264 #1: ffffffff8d137778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #1: ffffffff8d137778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x306/0x880 kernel/rcu/tree_exp.h:1004 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 nmi_cpu_backtrace+0x3a6/0x3e0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x17a/0x2f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xf59/0xfa0 kernel/hung_task.c:379 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 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1145 Comm: kworker/u4:11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_unbound nsim_dev_trap_report_work RIP: 0010:check_region_inline mm/kasan/generic.c:-1 [inline] RIP: 0010:kasan_check_range+0x12/0x290 mm/kasan/generic.c:187 Code: 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc 66 0f 1f 00 b0 01 48 85 f6 0f 84 b4 01 00 00 55 41 57 <41> 56 41 55 41 54 53 4c 8d 04 37 49 39 f8 0f 82 13 02 00 00 49 89 RSP: 0018:ffffc900048df4c8 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffffff816893c2 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff911ed5e8 RBP: ffffc900048df728 R08: dffffc0000000000 R09: 1ffffffff223dac1 R10: dffffc0000000000 R11: fffffbfff223dac2 R12: 0000000000000003 R13: ffff888023da0b80 R14: 000000000000077a R15: ffff888023da0b80 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e63eb79660 CR3: 000000002f542000 CR4: 00000000003506f0 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class kernel/locking/lockdep.c:228 [inline] check_wait_context kernel/locking/lockdep.c:4798 [inline] __lock_acquire+0x952/0x7d80 kernel/locking/lockdep.c:5087 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162 __debug_check_no_obj_freed lib/debugobjects.c:1034 [inline] debug_check_no_obj_freed+0x9e/0x520 lib/debugobjects.c:1075 slab_free_hook mm/slub.c:1786 [inline] slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 skb_kfree_head net/core/skbuff.c:946 [inline] skb_free_head net/core/skbuff.c:958 [inline] skb_release_data+0x609/0x7f0 net/core/skbuff.c:988 skb_release_all net/core/skbuff.c:1054 [inline] __kfree_skb net/core/skbuff.c:1068 [inline] consume_skb+0xb2/0x110 net/core/skbuff.c:1284 nsim_dev_trap_report drivers/net/netdevsim/dev.c:821 [inline] nsim_dev_trap_report_work+0x723/0xa90 drivers/net/netdevsim/dev.c:851 process_one_work kernel/workqueue.c:2657 [inline] process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815 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