Extracting prog: 6m8.738661874s
Minimizing prog: 1h26m25.565664765s
Simplifying prog options: 0s
Extracting C: 3m33.342339996s
Simplifying C: 35m51.57370919s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD-prlimit64-getpid-sched_setscheduler-write$binfmt_elf64
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r4 = getpid()
sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x4)
write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x78)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD-prlimit64-getpid-sched_setscheduler-write$binfmt_elf64
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r4 = getpid()
sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x4)
write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x78)

program crashed: INFO: task hung in blkdev_fallocate
single: successfully extracted reproducer
found reproducer with 20 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD-prlimit64-getpid-sched_setscheduler
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
r4 = getpid()
sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x4)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD-prlimit64-getpid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
getpid()

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD-prlimit64
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp-ioctl$UI_BEGIN_FF_UPLOAD
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$UI_BEGIN_FF_UPLOAD(0xffffffffffffffff, 0xc06855c8, &(0x7f0000000300)={0x5, 0xffff8000, {0x57, 0x0, 0xd8c, {0x97d9}, {0x2, 0xd35}, @ramp={0x0, 0x3fcc, {0x1, 0x1c, 0x51f, 0xffff}}}, {0x57, 0xab7d, 0xfffc, {0x9, 0xfe1b}, {0xa39, 0x7}, @const={0x8, {0x6, 0x9, 0x3, 0x3}}}})

program crashed: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS-socket$inet_tcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, 0x0, 0x0)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet-setsockopt$SO_ATTACH_FILTER
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
r3 = socket$packet(0x11, 0x3, 0x300)
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, 0x0, 0x0)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-socket$packet
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)
socket$packet(0x11, 0x3, 0x300)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, 0x0)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate-sendmsg$IPSET_CMD_CREATE
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)
sendmsg$IPSET_CMD_CREATE(r2, 0x0, 0x4000000)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r2 = socket$netlink(0x10, 0x3, 0x4)
writev(r2, &(0x7f0000000080)=[{0x0}], 0x1)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-writev
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
r1 = socket$netlink(0x10, 0x3, 0x4)
writev(r1, &(0x7f0000000080)=[{0x0}], 0x1)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-socket$netlink-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
socket$netlink(0x10, 0x3, 0x4)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-connect$l2tp-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
connect$l2tp(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x0, @rand_addr=0x64010101}, 0x10)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-dup-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-openat$nullb-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
fallocate(0xffffffffffffffff, 0x11, 0x0, 0x100000061200)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-add_key$keyring-dup-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
add_key$keyring(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff)
r0 = dup(0xffffffffffffffff)
fallocate(r0, 0x11, 0x0, 0x100000061200)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-ptrace$peeksig-openat$nullb-dup-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
ptrace$peeksig(0x4209, 0x0, 0x0, 0x0)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$nullb-dup-fallocate
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0xc1)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0), 0x8142, 0x0)
r1 = dup(r0)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program crashed: INFO: task hung in blkdev_fallocate
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, 0x0, 0x8142, 0x0)
r1 = dup(r0)
fallocate(r1, 0x11, 0x0, 0x100000061200)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-fallocate
program crashed: INFO: task hung in blkdev_fallocate
reproducing took 2h11m59.22040564s
repro crashed as (corrupted=false):
INFO: task syz-executor732:5849 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26784 pid:5849  tgid:5849  ppid:5846   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>
INFO: task syz-executor732:5850 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26784 pid:5850  tgid:5850  ppid:5848   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>
INFO: task syz-executor732:5851 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26136 pid:5851  tgid:5851  ppid:5847   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
1 lock held by klogd/5212:
2 locks held by getty/5605:
 #0: ffff888034b600a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900032f32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor732/5844:
1 lock held by syz-executor732/5849:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5850:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5851:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5868:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xff4/0x1040 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5205 Comm: syslogd Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x6f6/0x22d0 arch/x86/kernel/unwind_orc.c:494
Code: 00 00 fc ff df 0f b6 04 08 84 c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 4c 39 f8 4c 0f 46 f1 48 8d 43 fc 48 0f 47 e8 4c 0f 46 e3 <49> 39 ee 76 a9 e9 55 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c cd
RSP: 0018:ffffc9001071f290 EFLAGS: 00000287
RAX: ffffffff902f0d40 RBX: ffffffff902f0d44 RCX: ffffffff902f0d48
RDX: 00000000000b0001 RSI: ffffffff90a4c1fa RDI: ffffffff814186f0
RBP: ffffffff902f0d48 R08: 0000000000000009 R09: 0000000000000000
R10: ffffc9001071f3c0 R11: fffff520020e3e84 R12: ffffffff902f0d44
R13: ffffffff902f0d28 R14: ffffffff902f0d48 R15: ffffffff8141af27
FS:  00007f8d82a9c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056494189e680 CR3: 000000007d1d0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x76/0x430 mm/page_owner.c:297
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xdf9/0x1140 mm/page_alloc.c:2657
 __slab_free+0x31b/0x3d0 mm/slub.c:4490
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 alloc_empty_file+0x9e/0x1d0 fs/file_table.c:228
 path_openat+0x107/0x3590 fs/namei.c:3973
 do_filp_open+0x27f/0x4e0 fs/namei.c:4014
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1398
 do_sys_open fs/open.c:1413 [inline]
 __do_sys_openat fs/open.c:1429 [inline]
 __se_sys_openat fs/open.c:1424 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1424
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d82bf09a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffde459ed10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000564f0575d910 RCX: 00007f8d82bf09a4
RDX: 0000000000000d41 RSI: 00007f8d82d8f443 RDI: 00000000ffffff9c
RBP: 00007f8d82d8f443 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41
R13: 00000000673fb8ac R14: 0000000000000006 R15: 0000564f0575da60
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.423 msecs

final repro crashed as (corrupted=false):
INFO: task syz-executor732:5849 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26784 pid:5849  tgid:5849  ppid:5846   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>
INFO: task syz-executor732:5850 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26784 pid:5850  tgid:5850  ppid:5848   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>
INFO: task syz-executor732:5851 blocked for more than 143 seconds.
      Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor732 state:D stack:26136 pid:5851  tgid:5851  ppid:5847   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
 __down_write_common kernel/locking/rwsem.c:1304 [inline]
 __down_write kernel/locking/rwsem.c:1313 [inline]
 down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
 filemap_invalidate_lock include/linux/fs.h:863 [inline]
 blkdev_fallocate+0x20e/0x490 block/fops.c:810
 vfs_fallocate+0x569/0x6e0 fs/open.c:327
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:356 [inline]
 __se_sys_fallocate fs/open.c:354 [inline]
 __x64_sys_fallocate+0xbc/0x110 fs/open.c:354
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb703e62b29
RSP: 002b:00007ffc90e8f218 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb703e62b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000100000061200 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc90e8f438 R14: 00007ffc90e8f240 R15: 00007ffc90e8f230
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/30:
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
1 lock held by klogd/5212:
2 locks held by getty/5605:
 #0: ffff888034b600a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900032f32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor732/5844:
1 lock held by syz-executor732/5849:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5850:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5851:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810
1 lock held by syz-executor732/5868:
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock include/linux/fs.h:863 [inline]
 #0: ffff888148f5f0c0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:810

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
 watchdog+0xff4/0x1040 kernel/hung_task.c:379
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5205 Comm: syslogd Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x6f6/0x22d0 arch/x86/kernel/unwind_orc.c:494
Code: 00 00 fc ff df 0f b6 04 08 84 c0 75 27 48 63 03 48 01 d8 48 8d 4b 04 4c 39 f8 4c 0f 46 f1 48 8d 43 fc 48 0f 47 e8 4c 0f 46 e3 <49> 39 ee 76 a9 e9 55 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 7c cd
RSP: 0018:ffffc9001071f290 EFLAGS: 00000287
RAX: ffffffff902f0d40 RBX: ffffffff902f0d44 RCX: ffffffff902f0d48
RDX: 00000000000b0001 RSI: ffffffff90a4c1fa RDI: ffffffff814186f0
RBP: ffffffff902f0d48 R08: 0000000000000009 R09: 0000000000000000
R10: ffffc9001071f3c0 R11: fffff520020e3e84 R12: ffffffff902f0d44
R13: ffffffff902f0d28 R14: ffffffff902f0d48 R15: ffffffff8141af27
FS:  00007f8d82a9c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056494189e680 CR3: 000000007d1d0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x76/0x430 mm/page_owner.c:297
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xdf9/0x1140 mm/page_alloc.c:2657
 __slab_free+0x31b/0x3d0 mm/slub.c:4490
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 alloc_empty_file+0x9e/0x1d0 fs/file_table.c:228
 path_openat+0x107/0x3590 fs/namei.c:3973
 do_filp_open+0x27f/0x4e0 fs/namei.c:4014
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1398
 do_sys_open fs/open.c:1413 [inline]
 __do_sys_openat fs/open.c:1429 [inline]
 __se_sys_openat fs/open.c:1424 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1424
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d82bf09a4
Code: 24 20 48 8d 44 24 30 48 89 44 24 28 64 8b 04 25 18 00 00 00 85 c0 75 2c 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 60 48 8b 15 55 a4 0d 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffde459ed10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000564f0575d910 RCX: 00007f8d82bf09a4
RDX: 0000000000000d41 RSI: 00007f8d82d8f443 RDI: 00000000ffffff9c
RBP: 00007f8d82d8f443 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41
R13: 00000000673fb8ac R14: 0000000000000006 R15: 0000564f0575da60
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.423 msecs