Extracting prog: 24m20.054109315s Minimizing prog: 12m8.943717518s Simplifying prog options: 0s Extracting C: 29.815211922s Simplifying C: 11m5.640039677s 29 programs, timeouts [30s 1m40s 6m0s] extracting reproducer from 29 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash single: failed to extract reproducer bisect: bisecting 29 programs with base timeout 30s testing program (duration=37s, {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}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 0: r0 = socket$can_raw(0x1d, 0x3, 0x1) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000e80)={'vcan0\x00', 0x0}) bind$can_raw(r0, &(0x7f0000000ec0)={0x1d, r1}, 0x10) setsockopt$CAN_RAW_ERR_FILTER(r0, 0x65, 0x2, &(0x7f0000000040)=0x4, 0x4) executing program 0: io_setup(0x6, &(0x7f00000003c0)=0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) io_submit(r0, 0x1, &(0x7f00000015c0)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) ioctl$SNDCTL_SEQ_OUTOFBAND(r1, 0x40085112, &(0x7f0000000040)=@e={0xff, 0x0, 0x0, 0x0, @SEQ_NOTEON=@special}) executing program 0: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000400)=ANY=[], 0x8) connect$inet6(r0, &(0x7f00000003c0)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) write(r0, &(0x7f00000000c0)="8f2a3065bd8c001d0304000e0580a7b6070d63e286a5cefe", 0x5ac) executing program 0: mkdir(&(0x7f0000000280)='./file0\x00', 0x0) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB='/'], 0x2) mount$fuse(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0xa6d214, 0x0) umount2(&(0x7f0000000600)='./file0\x00', 0x0) executing program 0: r0 = socket$inet(0x2, 0x6, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000)="8907040400", 0x5) bind$inet(r0, &(0x7f0000000100)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xe}}, 0x10) connect$inet(r0, &(0x7f0000000080)={0x2, 0x0, @broadcast}, 0x10) executing program 3: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0xc, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000000)={r2, 0x200, 0x3, 0x1}, 0x10) executing program 3: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000004640)={&(0x7f0000000300)=@newqdisc={0x38, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_pie={{0x8}, {0xc, 0x2, [@TCA_PIE_TUPDATE={0x8, 0x3, 0xffffffff}]}}]}, 0x38}}, 0x0) executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'veth1_to_bridge\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000140)=@newqdisc={0x58, 0x24, 0x3fe3aa0262d8c583, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_sfb={{0x8}, {0x2c, 0x2, @TCA_SFB_PARMS={0x4}}}]}, 0x58}}, 0x0) executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = getpgrp(0xffffffffffffffff) r2 = getpid() kcmp$KCMP_EPOLL_TFD(r1, r2, 0x7, r0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff, 0xfffffffe}) executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f00000003c0)={0x1, 0x0, @pic={0x0, 0x7, 0x80, 0x1d, 0x2, 0x2, 0x0, 0x7f, 0x77, 0x0, 0x8, 0x0, 0x8}}) executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001180)=@newlink={0x4c, 0x10, 0x409, 0x0, 0x4, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @bridge_slave={{0x11}, {0x14, 0x5, 0x0, 0x1, [@IFLA_BRPORT_STATE={0x5}, @IFLA_BRPORT_BACKUP_PORT={0x8, 0x22, r2}]}}}]}, 0x4c}}, 0x0) executing program 1: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000500)={&(0x7f0000000040)=@hci, 0x80, &(0x7f0000000100)=[{&(0x7f0000000400)=""/248, 0xd68210}], 0x1, 0x0, 0x1f00000000000000, 0x200000}, 0x1f00) sendmsg$tipc(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)="a2", 0xfffffdef}], 0x1}, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xe, &(0x7f0000000000), 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000050cb5340450c10108e492940a80909021b00090000000009040002010035040009058dff86"], 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) read$char_usb(r1, 0x0, 0x0) syz_usb_disconnect(r0) executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) pipe2$watch_queue(&(0x7f0000000200), 0x80) executing program 1: r0 = socket(0x2b, 0x1, 0x0) listen(r0, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1}, 0x1c) listen(r0, 0x0) executing program 2: add_key$keyring(&(0x7f00000003c0), &(0x7f00000002c0)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r0 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x1100c08) keyctl$describe(0x6, r0, 0x0, 0x0) executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b6, &(0x7f0000000080)={0x0, 0xa8af, 0x0, 0x0, 0x3d7}, &(0x7f0000ff0000), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000000040)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) executing program 4: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000003c0)=@newqdisc={0x8c, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe], 0x0, [0x8, 0x4]}}]}}]}, 0x8c}, 0x1, 0x7a00, 0x0, 0x20048095}, 0x0) executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000980)=ANY=[], 0x8) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1c}}}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x37, 0x0, 0x0) executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) r1 = dup2(r0, r0) ioctl$DRM_IOCTL_MODE_GET_LEASE(r0, 0xc01064c8, &(0x7f0000000180)={0x1, 0x0, &(0x7f0000000140)=[0x0]}) ioctl$DRM_IOCTL_MODE_GETGAMMA(r1, 0xc02064a4, &(0x7f0000000340)={r2, 0x0, 0x0, 0x0, 0x0}) executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000000c0)=ANY=[@ANYBLOB="2100000000000002000100c0"]) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000000000)=""/65, 0x328000, 0x800}, 0x20) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000940)={&(0x7f0000000140)={0x2c, r1, 0x801, 0x0, 0x0, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}]}, 0x2c}}, 0x0) executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000500), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000300)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="090d2000000000f0ff000700000008000300", @ANYRES32=r2, @ANYBLOB="0800051d000000001400060076657468115f746f5f7465616d0000000400cc000800050004000000140004002e"], 0x58}}, 0x0) executing program 2: r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x0) r1 = syz_open_dev$evdev(&(0x7f0000000000), 0x3, 0x80402) write$binfmt_elf64(r1, &(0x7f00000003c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x40}, [{0x2, 0x9}]}, 0x78) ppoll(&(0x7f0000000540)=[{r0}], 0x1, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f00000044c0)=[{{0x0, 0x0, &(0x7f0000001d40)=[{&(0x7f0000001c00)="d3", 0x1}, {&(0x7f0000001c40)="527b218e6d8f9f54ef484eea85dbda15d16c52faabf5f5d0ae", 0x19}, {&(0x7f0000001c80)="bd39920bbe0a906d1f9532b49d9127c48cd6a4551d98f4b508e72e1f61036d791181bd3d699c97512919d812b00741341a7b45bdb1b8a52fcfd029f9b22c38f33cd555efcdf2510f3b8e5cf1dcc52d284bb77981e5cd8d", 0x57}, {&(0x7f0000001d00)="91f003ae09a5f0", 0x7}], 0x4}}], 0x1, 0x0) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: bisecting 29 programs bisect: split chunks (needed=false): <28> bisect: split chunk #0 of len 28 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=34s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001180)=@newlink={0x4c, 0x10, 0x409, 0x0, 0x4, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @bridge_slave={{0x11}, {0x14, 0x5, 0x0, 0x1, [@IFLA_BRPORT_STATE={0x5}, @IFLA_BRPORT_BACKUP_PORT={0x8, 0x22, r2}]}}}]}, 0x4c}}, 0x0) executing program 1: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000500)={&(0x7f0000000040)=@hci, 0x80, &(0x7f0000000100)=[{&(0x7f0000000400)=""/248, 0xd68210}], 0x1, 0x0, 0x1f00000000000000, 0x200000}, 0x1f00) sendmsg$tipc(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)="a2", 0xfffffdef}], 0x1}, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xe, &(0x7f0000000000), 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000050cb5340450c10108e492940a80909021b00090000000009040002010035040009058dff86"], 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) read$char_usb(r1, 0x0, 0x0) syz_usb_disconnect(r0) executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) pipe2$watch_queue(&(0x7f0000000200), 0x80) executing program 1: r0 = socket(0x2b, 0x1, 0x0) listen(r0, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1}, 0x1c) listen(r0, 0x0) executing program 2: add_key$keyring(&(0x7f00000003c0), &(0x7f00000002c0)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r0 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x1100c08) keyctl$describe(0x6, r0, 0x0, 0x0) executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b6, &(0x7f0000000080)={0x0, 0xa8af, 0x0, 0x0, 0x3d7}, &(0x7f0000ff0000), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000000040)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) executing program 4: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000003c0)=@newqdisc={0x8c, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe], 0x0, [0x8, 0x4]}}]}}]}, 0x8c}, 0x1, 0x7a00, 0x0, 0x20048095}, 0x0) executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000980)=ANY=[], 0x8) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1c}}}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x37, 0x0, 0x0) executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) r1 = dup2(r0, r0) ioctl$DRM_IOCTL_MODE_GET_LEASE(r0, 0xc01064c8, &(0x7f0000000180)={0x1, 0x0, &(0x7f0000000140)=[0x0]}) ioctl$DRM_IOCTL_MODE_GETGAMMA(r1, 0xc02064a4, &(0x7f0000000340)={r2, 0x0, 0x0, 0x0, 0x0}) executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000000c0)=ANY=[@ANYBLOB="2100000000000002000100c0"]) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000000000)=""/65, 0x328000, 0x800}, 0x20) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000940)={&(0x7f0000000140)={0x2c, r1, 0x801, 0x0, 0x0, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}]}, 0x2c}}, 0x0) executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000500), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000300)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="090d2000000000f0ff000700000008000300", @ANYRES32=r2, @ANYBLOB="0800051d000000001400060076657468115f746f5f7465616d0000000400cc000800050004000000140004002e"], 0x58}}, 0x0) executing program 2: r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x0) r1 = syz_open_dev$evdev(&(0x7f0000000000), 0x3, 0x80402) write$binfmt_elf64(r1, &(0x7f00000003c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x40}, [{0x2, 0x9}]}, 0x78) ppoll(&(0x7f0000000540)=[{r0}], 0x1, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f00000044c0)=[{{0x0, 0x0, &(0x7f0000001d40)=[{&(0x7f0000001c00)="d3", 0x1}, {&(0x7f0000001c40)="527b218e6d8f9f54ef484eea85dbda15d16c52faabf5f5d0ae", 0x19}, {&(0x7f0000001c80)="bd39920bbe0a906d1f9532b49d9127c48cd6a4551d98f4b508e72e1f61036d791181bd3d699c97512919d812b00741341a7b45bdb1b8a52fcfd029f9b22c38f33cd555efcdf2510f3b8e5cf1dcc52d284bb77981e5cd8d", 0x57}, {&(0x7f0000001d00)="91f003ae09a5f0", 0x7}], 0x4}}], 0x1, 0x0) program crashed: possible deadlock in process_measurement bisect: the chunk can be dropped bisect: testing without sub-chunk 2/3 testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 1: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000980)=ANY=[], 0x8) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x1c}}}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x37, 0x0, 0x0) executing program 2: r0 = syz_open_dev$dri(&(0x7f0000000080), 0x1, 0x0) r1 = dup2(r0, r0) ioctl$DRM_IOCTL_MODE_GET_LEASE(r0, 0xc01064c8, &(0x7f0000000180)={0x1, 0x0, &(0x7f0000000140)=[0x0]}) ioctl$DRM_IOCTL_MODE_GETGAMMA(r1, 0xc02064a4, &(0x7f0000000340)={r2, 0x0, 0x0, 0x0, 0x0}) executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f00000000c0)=ANY=[@ANYBLOB="2100000000000002000100c0"]) executing program 1: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000000000)=""/65, 0x328000, 0x800}, 0x20) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000000), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000100)={'batadv0\x00', 0x0}) sendmsg$BATADV_CMD_SET_MESH(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000940)={&(0x7f0000000140)={0x2c, r1, 0x801, 0x0, 0x0, {}, [@BATADV_ATTR_ORIG_INTERVAL={0x8}, @BATADV_ATTR_NETWORK_CODING_ENABLED={0x5}, @BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}]}, 0x2c}}, 0x0) executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000500), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000300)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000140)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="090d2000000000f0ff000700000008000300", @ANYRES32=r2, @ANYBLOB="0800051d000000001400060076657468115f746f5f7465616d0000000400cc000800050004000000140004002e"], 0x58}}, 0x0) executing program 2: r0 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040), 0x0) r1 = syz_open_dev$evdev(&(0x7f0000000000), 0x3, 0x80402) write$binfmt_elf64(r1, &(0x7f00000003c0)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x40}, [{0x2, 0x9}]}, 0x78) ppoll(&(0x7f0000000540)=[{r0}], 0x1, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000280)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-ssse3\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$sock(r1, &(0x7f00000044c0)=[{{0x0, 0x0, &(0x7f0000001d40)=[{&(0x7f0000001c00)="d3", 0x1}, {&(0x7f0000001c40)="527b218e6d8f9f54ef484eea85dbda15d16c52faabf5f5d0ae", 0x19}, {&(0x7f0000001c80)="bd39920bbe0a906d1f9532b49d9127c48cd6a4551d98f4b508e72e1f61036d791181bd3d699c97512919d812b00741341a7b45bdb1b8a52fcfd029f9b22c38f33cd555efcdf2510f3b8e5cf1dcc52d284bb77981e5cd8d", 0x57}, {&(0x7f0000001d00)="91f003ae09a5f0", 0x7}], 0x4}}], 0x1, 0x0) program did not crash bisect: testing without sub-chunk 3/3 testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4] detailed listing: executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001180)=@newlink={0x4c, 0x10, 0x409, 0x0, 0x4, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @bridge_slave={{0x11}, {0x14, 0x5, 0x0, 0x1, [@IFLA_BRPORT_STATE={0x5}, @IFLA_BRPORT_BACKUP_PORT={0x8, 0x22, r2}]}}}]}, 0x4c}}, 0x0) executing program 1: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000500)={&(0x7f0000000040)=@hci, 0x80, &(0x7f0000000100)=[{&(0x7f0000000400)=""/248, 0xd68210}], 0x1, 0x0, 0x1f00000000000000, 0x200000}, 0x1f00) sendmsg$tipc(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)="a2", 0xfffffdef}], 0x1}, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xe, &(0x7f0000000000), 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000050cb5340450c10108e492940a80909021b00090000000009040002010035040009058dff86"], 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) read$char_usb(r1, 0x0, 0x0) syz_usb_disconnect(r0) executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) pipe2$watch_queue(&(0x7f0000000200), 0x80) executing program 1: r0 = socket(0x2b, 0x1, 0x0) listen(r0, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1}, 0x1c) listen(r0, 0x0) executing program 2: add_key$keyring(&(0x7f00000003c0), &(0x7f00000002c0)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r0 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x1100c08) keyctl$describe(0x6, r0, 0x0, 0x0) executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b6, &(0x7f0000000080)={0x0, 0xa8af, 0x0, 0x0, 0x3d7}, &(0x7f0000ff0000), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000000040)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) executing program 4: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000003c0)=@newqdisc={0x8c, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe], 0x0, [0x8, 0x4]}}]}}]}, 0x8c}, 0x1, 0x7a00, 0x0, 0x20048095}, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: the chunk can be dropped bisect: split chunks (needed=true): <10> bisect: split chunk #0 of len 10 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4, 4] detailed listing: executing program 4: prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008032, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) pipe2$watch_queue(&(0x7f0000000200), 0x80) executing program 1: r0 = socket(0x2b, 0x1, 0x0) listen(r0, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1}, 0x1c) listen(r0, 0x0) executing program 2: add_key$keyring(&(0x7f00000003c0), &(0x7f00000002c0)={'syz', 0x1}, 0x0, 0x0, 0xffffffffffffffff) r0 = add_key$keyring(&(0x7f0000000100), &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$setperm(0x5, r0, 0x1100c08) keyctl$describe(0x6, r0, 0x0, 0x0) executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = syz_io_uring_setup(0x4b6, &(0x7f0000000080)={0x0, 0xa8af, 0x0, 0x0, 0x3d7}, &(0x7f0000ff0000), &(0x7f0000000000)) io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f0000000040)=[{0x0}, {0x0}], 0x2) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000340), 0xa002a0}], &(0x7f00000005c0), 0x2}, 0x20) executing program 4: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000003c0)=@newqdisc={0x8c, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfe], 0x0, [0x8, 0x4]}}]}}]}, 0x8c}, 0x1, 0x7a00, 0x0, 0x20048095}, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4, 4, 4, 4] detailed listing: executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001180)=@newlink={0x4c, 0x10, 0x409, 0x0, 0x4, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x2c, 0x12, 0x0, 0x1, @bridge_slave={{0x11}, {0x14, 0x5, 0x0, 0x1, [@IFLA_BRPORT_STATE={0x5}, @IFLA_BRPORT_BACKUP_PORT={0x8, 0x22, r2}]}}}]}, 0x4c}}, 0x0) executing program 1: socketpair$tipc(0x1e, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r0, &(0x7f0000000500)={&(0x7f0000000040)=@hci, 0x80, &(0x7f0000000100)=[{&(0x7f0000000400)=""/248, 0xd68210}], 0x1, 0x0, 0x1f00000000000000, 0x200000}, 0x1f00) sendmsg$tipc(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000000140)="a2", 0xfffffdef}], 0x1}, 0x0) setsockopt$sock_attach_bpf(r0, 0x1, 0xe, &(0x7f0000000000), 0x4) executing program 2: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="1201000050cb5340450c10108e492940a80909021b00090000000009040002010035040009058dff86"], 0x0) r1 = syz_open_dev$char_usb(0xc, 0xb4, 0x0) read$char_usb(r1, 0x0, 0x0) syz_usb_disconnect(r0) executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: the chunk can be dropped bisect: split chunks (needed=true): <5> bisect: split chunk #0 of len 5 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 4, 4] detailed listing: executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunks (needed=true): <2> bisect: split chunk #0 of len 2 into 2 parts bisect: testing without sub-chunk 1/2 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}}): [4, 4] detailed listing: executing program 4: r0 = open$dir(&(0x7f0000000000)='.\x00', 0x0, 0x0) fsetxattr$system_posix_acl(r0, &(0x7f0000000080)='system.posix_acl_default\x00', &(0x7f00000004c0), 0x24, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$system_posix_acl(&(0x7f0000000480)='./file0\x00', &(0x7f00000000c0)='system.posix_acl_default\x00', 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash bisect: testing without sub-chunk 2/2 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}}): [4, 4] detailed listing: executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: the chunk can be dropped bisect: split chunks (needed=true): <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 2 programs left: executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) bisect: trying to concatenate bisect: concatenate 2 entries minimizing program #0 before concatenation testing program (duration=45s, {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}}): [3, 4] detailed listing: executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 4] detailed listing: executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully testing program (duration=45s, {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}}): [2, 4] detailed listing: executing program 0: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x200000000006, 0x0, 0x0, 0x7ffc1ffb}]}) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 4] detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully minimized 4 calls -> 2 calls minimizing program #1 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 3] detailed listing: executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) program did not crash testing program (duration=45s, {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}}): [2, 3] detailed listing: executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {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}}): [2, 3] detailed listing: executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {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}}): [2, 3] detailed listing: executing program 3: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) executing program 0: mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) program did not crash minimized 4 calls -> 4 calls testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program crashed: possible deadlock in upgrade_mmap_lock_carefully bisect: concatenation succeeded found reproducer with 6 syscalls minimizing guilty program testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-mmap-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-openat$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, &(0x7f0000000100), 0xfecc) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script detailed listing: executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f00002ec000/0x200000)=nil, 0x200000, 0x0, 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x1000007, 0x2172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x4000, 0x3, &(0x7f0000005000/0x4000)=nil) write$binfmt_script(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully simplifying C reproducer testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully testing compiled C program (duration=45s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-remap_file_pages-openat$cgroup_ro-mmap-mremap-write$binfmt_script program crashed: possible deadlock in upgrade_mmap_lock_carefully reproducing took 48m4.453114981s repro crashed as (corrupted=false): mmap: syz-executor415 (5226) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. ====================================================== WARNING: possible circular locking dependency detected 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted ------------------------------------------------------ syz-executor415/5226 is trying to acquire lock: ffff888011e9d718 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] ffff888011e9d718 (&mm->mmap_lock){++++}-{3:3}, at: upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 but task is already holding lock: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 mm/shmem.c:3211 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:815 [inline] process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250 ima_file_mmap+0x13d/0x2b0 security/integrity/ima/ima_main.c:455 security_mmap_file+0x7e7/0xa40 security/security.c:2977 __do_sys_remap_file_pages mm/mmap.c:1692 [inline] __se_sys_remap_file_pages+0x6e6/0xa50 mm/mmap.c:1624 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 -> #0 (&mm->mmap_lock){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_killable+0xab/0x260 kernel/locking/rwsem.c:1588 mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 lock_mm_and_find_vma+0x107/0x2f0 mm/memory.c:6185 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x1bf/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 fault_in_readable+0x165/0x2b0 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x259/0x6d0 mm/filemap.c:4044 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3221 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sb->s_type->i_mutex_key#12); lock(&mm->mmap_lock); lock(&sb->s_type->i_mutex_key#12); lock(&mm->mmap_lock); *** DEADLOCK *** 2 locks held by syz-executor415/5226: #0: ffff8880728dc420 (sb_writers#5){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline] #0: ffff8880728dc420 (sb_writers#5){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 fs/read_write.c:679 #1: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 mm/shmem.c:3211 stack backtrace: CPU: 1 UID: 0 PID: 5226 Comm: syz-executor415 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_killable+0xab/0x260 kernel/locking/rwsem.c:1588 mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 lock_mm_and_find_vma+0x107/0x2f0 mm/memory.c:6185 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x1bf/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:fault_in_readable+0x165/0x2b0 mm/gup.c:2235 Code: b3 ff 4c 8d b3 ff 0f 00 00 48 89 d8 4d 01 e6 49 81 e6 00 f0 ff ff 49 39 c6 72 6b e8 65 ca b3 ff 4c 39 f3 74 6e 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 2f 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10 RSP: 0018:ffffc900036dfa40 EFLAGS: 00050287 RAX: ffffffff81e1114b RBX: 0000000020001000 RCX: ffff88801dfa1e00 RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000 RBP: ffffc900036dfaf8 R08: ffffffff81e110e8 R09: ffffffff84b94759 R10: 0000000000000002 R11: ffff88801dfa1e00 R12: 000000000000fecc R13: dffffc0000000000 R14: 0000000020010000 R15: 1ffff920006dbf50 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x259/0x6d0 mm/filemap.c:4044 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3221 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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: 0033:0x7f3aa8e84a19 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcd4080448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3aa8ece11f RCX: 00007f3aa8e84a19 RDX: 000000000000fecc RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f3aa8ece0fd R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020005000 R11: 0000000000000246 R12: 00007f3aa8ed313c R13: 00007f3aa8ece082 R14: 0000000000000001 R15: 0000000000000001 ---------------- Code disassembly (best guess): 0: b3 ff mov $0xff,%bl 2: 4c 8d b3 ff 0f 00 00 lea 0xfff(%rbx),%r14 9: 48 89 d8 mov %rbx,%rax c: 4d 01 e6 add %r12,%r14 f: 49 81 e6 00 f0 ff ff and $0xfffffffffffff000,%r14 16: 49 39 c6 cmp %rax,%r14 19: 72 6b jb 0x86 1b: e8 65 ca b3 ff call 0xffb3ca85 20: 4c 39 f3 cmp %r14,%rbx 23: 74 6e je 0x93 25: 4c 89 64 24 10 mov %r12,0x10(%rsp) * 2a: 44 8a 23 mov (%rbx),%r12b <-- trapping instruction 2d: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax 32: 84 c0 test %al,%al 34: 75 18 jne 0x4e 36: 44 88 64 24 40 mov %r12b,0x40(%rsp) 3b: 48 rex.W 3c: 81 .byte 0x81 3d: c3 ret 3e: 00 10 add %dl,(%rax) final repro crashed as (corrupted=false): mmap: syz-executor415 (5226) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. ====================================================== WARNING: possible circular locking dependency detected 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Not tainted ------------------------------------------------------ syz-executor415/5226 is trying to acquire lock: ffff888011e9d718 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] ffff888011e9d718 (&mm->mmap_lock){++++}-{3:3}, at: upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 but task is already holding lock: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 mm/shmem.c:3211 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write+0x99/0x220 kernel/locking/rwsem.c:1577 inode_lock include/linux/fs.h:815 [inline] process_measurement+0x439/0x1fb0 security/integrity/ima/ima_main.c:250 ima_file_mmap+0x13d/0x2b0 security/integrity/ima/ima_main.c:455 security_mmap_file+0x7e7/0xa40 security/security.c:2977 __do_sys_remap_file_pages mm/mmap.c:1692 [inline] __se_sys_remap_file_pages+0x6e6/0xa50 mm/mmap.c:1624 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 -> #0 (&mm->mmap_lock){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_killable+0xab/0x260 kernel/locking/rwsem.c:1588 mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 lock_mm_and_find_vma+0x107/0x2f0 mm/memory.c:6185 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x1bf/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 fault_in_readable+0x165/0x2b0 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x259/0x6d0 mm/filemap.c:4044 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3221 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sb->s_type->i_mutex_key#12); lock(&mm->mmap_lock); lock(&sb->s_type->i_mutex_key#12); lock(&mm->mmap_lock); *** DEADLOCK *** 2 locks held by syz-executor415/5226: #0: ffff8880728dc420 (sb_writers#5){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline] #0: ffff8880728dc420 (sb_writers#5){.+.+}-{0:0}, at: vfs_write+0x224/0xc90 fs/read_write.c:679 #1: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff8880271c9ce8 (&sb->s_type->i_mutex_key#12){+.+.}-{3:3}, at: shmem_file_write_iter+0x80/0x120 mm/shmem.c:3211 stack backtrace: CPU: 1 UID: 0 PID: 5226 Comm: syz-executor415 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_killable+0xab/0x260 kernel/locking/rwsem.c:1588 mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline] upgrade_mmap_lock_carefully+0xb6/0x160 mm/memory.c:6132 lock_mm_and_find_vma+0x107/0x2f0 mm/memory.c:6185 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x1bf/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:fault_in_readable+0x165/0x2b0 mm/gup.c:2235 Code: b3 ff 4c 8d b3 ff 0f 00 00 48 89 d8 4d 01 e6 49 81 e6 00 f0 ff ff 49 39 c6 72 6b e8 65 ca b3 ff 4c 39 f3 74 6e 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 2f 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10 RSP: 0018:ffffc900036dfa40 EFLAGS: 00050287 RAX: ffffffff81e1114b RBX: 0000000020001000 RCX: ffff88801dfa1e00 RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000 RBP: ffffc900036dfaf8 R08: ffffffff81e110e8 R09: ffffffff84b94759 R10: 0000000000000002 R11: ffff88801dfa1e00 R12: 000000000000fecc R13: dffffc0000000000 R14: 0000000020010000 R15: 1ffff920006dbf50 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x259/0x6d0 mm/filemap.c:4044 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3221 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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: 0033:0x7f3aa8e84a19 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcd4080448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3aa8ece11f RCX: 00007f3aa8e84a19 RDX: 000000000000fecc RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f3aa8ece0fd R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020005000 R11: 0000000000000246 R12: 00007f3aa8ed313c R13: 00007f3aa8ece082 R14: 0000000000000001 R15: 0000000000000001 ---------------- Code disassembly (best guess): 0: b3 ff mov $0xff,%bl 2: 4c 8d b3 ff 0f 00 00 lea 0xfff(%rbx),%r14 9: 48 89 d8 mov %rbx,%rax c: 4d 01 e6 add %r12,%r14 f: 49 81 e6 00 f0 ff ff and $0xfffffffffffff000,%r14 16: 49 39 c6 cmp %rax,%r14 19: 72 6b jb 0x86 1b: e8 65 ca b3 ff call 0xffb3ca85 20: 4c 39 f3 cmp %r14,%rbx 23: 74 6e je 0x93 25: 4c 89 64 24 10 mov %r12,0x10(%rsp) * 2a: 44 8a 23 mov (%rbx),%r12b <-- trapping instruction 2d: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax 32: 84 c0 test %al,%al 34: 75 18 jne 0x4e 36: 44 88 64 24 40 mov %r12b,0x40(%rsp) 3b: 48 rex.W 3c: 81 .byte 0x81 3d: c3 ret 3e: 00 10 add %dl,(%rax)