Extracting prog: 1h4m0.073961538s Minimizing prog: 9m26.630328009s Simplifying prog options: 0s Extracting C: 43.210476429s Simplifying C: 27m5.79828774s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$NFQNL_MSG_CONFIG-syz_usb_connect-openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine single: failed to extract reproducer bisect: bisecting 24 programs with base timeout 30s testing program (duration=36s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [18, 4, 4, 15, 4, 8, 13, 16, 3, 4, 4, 8, 3, 15, 8, 17, 13, 2, 7, 2, 4, 15, 4, 3] detailed listing: executing program 3: openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x322c2, 0x95) mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x0) mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f00000001c0)='ext4\x00', 0x8414, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) chdir(&(0x7f0000000140)='./file0\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuset.memory_pressure\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f0000000940)={'#! ', './file1'}, 0xb) mkdirat(0xffffffffffffff9c, 0x0, 0x180) mount(0x0, 0x0, 0x0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) read$FUSE(r1, 0x0, 0x0) symlinkat(0x0, 0xffffffffffffff9c, 0x0) renameat2(0xffffffffffffff9c, 0x0, 0xffffffffffffffff, 0x0, 0x2) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000380)={0x1, &(0x7f00000003c0)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) close_range(r2, 0xffffffffffffffff, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000900)='./dev\x00', &(0x7f0000000940)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000980)='./dev/ttyGS0\x00', 0x2, 0x0) write(r0, 0x0, 0x0) executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 3: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x47, &(0x7f0000000240)=ANY=[@ANYBLOB="120100020000004051045f500001010203020902350001020080300904000005ff00000007058102000200070501020002000705820200020007050202"], 0x0) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./dev/ttyUSB0\x00', 0x2, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) quotactl$Q_SETQUOTA(0xffffffff80000801, 0x0, 0xffffffffffffffff, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) executing program 1: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) select(0x0, 0x0, 0x0, 0x0, 0x0) ioctl$TCXONC(r0, 0x540a, 0x0) ioctl$TCXONC(r0, 0x540a, 0x3) executing program 2: mkdirat(0xffffffffffffff9c, 0x0, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) r0 = syz_open_dev$usbfs(&(0x7f0000000300), 0x77, 0x1013c1) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x15) ioctl$USBDEVFS_CONNECTINFO(r0, 0x80045503, &(0x7f0000000340)) mlockall(0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) executing program 2: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = fsopen(&(0x7f0000000040)='autofs\x00', 0x0) fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f0000000100)='fd', 0x0, r0) write$tun(r0, 0x0, 0xfdef) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) r2 = fsmount(r1, 0x0, 0x2) r3 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) setpgid(r3, r3) setpgid(0x0, r3) fchdir(r2) statfs(&(0x7f0000000180)='./file0\x00', 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) sendmmsg$unix(r4, &(0x7f0000000280)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000300)=@file={0x1, './file0\x00'}, 0x6e, 0x0}}], 0x2, 0x0) executing program 1: openat$sequencer(0xffffffffffffff9c, 0x0, 0x80200, 0x0) socket$nl_route(0x10, 0x3, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000480)={0x8, 0x100008b}, 0x0) syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) sched_setscheduler(0x0, 0x1, &(0x7f0000000580)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f00000005c0), 0x80200, 0x0) r0 = syz_open_dev$sndmidi(&(0x7f0000000780), 0x2, 0x141102) writev(r0, &(0x7f00000007c0)=[{&(0x7f0000002980)="94", 0xf000}, {0x0}], 0x2) r1 = socket$netlink(0x10, 0x3, 0xc) bind$netlink(r1, &(0x7f0000000040)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="90000000000101060000000000000000020000003400018014000180080001000102030408000200050607081c00028005000100060000000600020004d2000006000300001500003400028014000180080001000506070808000200010203041c000280050001000600000006000200001500000600030004d20000080007000000012c0c00058008000100667470"], 0x90}}, 0x0) syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) sendmsg$IPCTNL_MSG_CT_DELETE(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000800)={0x14, 0x2, 0x1, 0x5, 0x0, 0x0, {0x3, 0x0, 0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x840}, 0x0) executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0xc, 0x0, &(0x7f0000000240)=[@acquire, @enter_looper], 0x53}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000280)={0x20, 0x0, &(0x7f00000002c0)=[@request_death, @clear_death]}) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000900)='./dev\x00', &(0x7f0000000940)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000980)='./dev/ttyGS0\x00', 0x2, 0x0) write(r0, &(0x7f0000000a00), 0x0) executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000001440)={0x2, 0x40, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000001480)=0x4, 0x4) connect$inet(r0, &(0x7f00000014c0)={0x2, 0x0, @broadcast}, 0x10) socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000001280)=ANY=[@ANYBLOB="20000000110001009a2701deffdbdf25100000000b"], 0x20}], 0x1, 0x0, 0x0, 0xc010}, 0x40080) executing program 0: syz_clone(0x80842111, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000004c0)='children\x00') pread64(r0, &(0x7f0000000ac0)=""/4102, 0x1006, 0x9) executing program 3: prlimit64(0x0, 0xe, &(0x7f00000004c0)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000500)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000540)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000740)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000007c0), 0x651, 0x0) recvmmsg(r1, &(0x7f0000000800), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000840)=0x6) r3 = openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000980)='net/dev_mcast\x00') recvmsg$unix(r3, &(0x7f0000019f00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000019e40)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x90}, 0x40012101) pread64(r4, &(0x7f00000009c0)=""/102400, 0x19000, 0x41e) executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 0: fcntl$lock(0xffffffffffffffff, 0x6, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) userfaultfd(0x1) socket(0x80000000000000a, 0x2, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r0 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000100)={0x43, 0x0, 0x3, 0x3}, 0x10) r1 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r1, 0x10f, 0x87, &(0x7f0000000300)={0x43, 0x3, 0x3, 0x3}, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NODE_ADDR(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)={0x24, r3, 0x201, 0x400000, 0x0, {{}, {}, {0x8, 0x11, 0x4}}}, 0x24}}, 0x0) executing program 2: r0 = syz_usb_connect(0x2, 0x24, &(0x7f0000000480)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xb48, 0x1005, 0x100, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x1, 0x0, 0x80, 0x32, "", [{{0x9, 0x4, 0x1, 0x0, 0x0, 0xff}}]}}]}}, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0}) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) executing program 1: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDFONTOP_GET(r0, 0x4b72, 0x0) executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000002040)={0x2, 0x0, @remote}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, 0x0, 0x0) sendmmsg(r0, &(0x7f0000002100), 0x800001d, 0x810) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x47, &(0x7f0000000240)=ANY=[@ANYBLOB="120100020000004051045f500001010203020902350001020080300904000005ff00000007058102000200070501020002000705820200020007050202"], 0x0) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./dev/ttyUSB0\x00', 0x2, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) quotactl$Q_SETQUOTA(0xffffffff80000801, 0x0, 0xffffffffffffffff, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a3200000000140000001100"], 0x7c}}, 0x8800) sendmsg$NFT_BATCH(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)={{0x14}, [@NFT_MSG_NEWRULE={0x44, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x18, 0x4, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, @redir={{0xa}, @val={0x4}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0x6c}}, 0x0) program crashed: possible deadlock in blkdev_buffered_write bisect: bisecting 24 programs bisect: split chunks (needed=false): <23> bisect: split chunk #0 of len 23 into 3 parts bisect: testing without sub-chunk 1/3 testing program (duration=34s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 4, 4, 8, 3, 15, 8, 17, 13, 2, 7, 2, 4, 15, 4, 3] detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0xc, 0x0, &(0x7f0000000240)=[@acquire, @enter_looper], 0x53}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000280)={0x20, 0x0, &(0x7f00000002c0)=[@request_death, @clear_death]}) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000900)='./dev\x00', &(0x7f0000000940)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000980)='./dev/ttyGS0\x00', 0x2, 0x0) write(r0, &(0x7f0000000a00), 0x0) executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000001440)={0x2, 0x40, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000001480)=0x4, 0x4) connect$inet(r0, &(0x7f00000014c0)={0x2, 0x0, @broadcast}, 0x10) socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000001280)=ANY=[@ANYBLOB="20000000110001009a2701deffdbdf25100000000b"], 0x20}], 0x1, 0x0, 0x0, 0xc010}, 0x40080) executing program 0: syz_clone(0x80842111, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000004c0)='children\x00') pread64(r0, &(0x7f0000000ac0)=""/4102, 0x1006, 0x9) executing program 3: prlimit64(0x0, 0xe, &(0x7f00000004c0)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000500)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000540)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000740)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000007c0), 0x651, 0x0) recvmmsg(r1, &(0x7f0000000800), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000840)=0x6) r3 = openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000980)='net/dev_mcast\x00') recvmsg$unix(r3, &(0x7f0000019f00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000019e40)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x90}, 0x40012101) pread64(r4, &(0x7f00000009c0)=""/102400, 0x19000, 0x41e) executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 0: fcntl$lock(0xffffffffffffffff, 0x6, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) userfaultfd(0x1) socket(0x80000000000000a, 0x2, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r0 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000100)={0x43, 0x0, 0x3, 0x3}, 0x10) r1 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r1, 0x10f, 0x87, &(0x7f0000000300)={0x43, 0x3, 0x3, 0x3}, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NODE_ADDR(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)={0x24, r3, 0x201, 0x400000, 0x0, {{}, {}, {0x8, 0x11, 0x4}}}, 0x24}}, 0x0) executing program 2: r0 = syz_usb_connect(0x2, 0x24, &(0x7f0000000480)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xb48, 0x1005, 0x100, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x1, 0x0, 0x80, 0x32, "", [{{0x9, 0x4, 0x1, 0x0, 0x0, 0xff}}]}}]}}, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0}) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) executing program 1: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDFONTOP_GET(r0, 0x4b72, 0x0) executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000002040)={0x2, 0x0, @remote}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, 0x0, 0x0) sendmmsg(r0, &(0x7f0000002100), 0x800001d, 0x810) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x47, &(0x7f0000000240)=ANY=[@ANYBLOB="120100020000004051045f500001010203020902350001020080300904000005ff00000007058102000200070501020002000705820200020007050202"], 0x0) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./dev/ttyUSB0\x00', 0x2, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) quotactl$Q_SETQUOTA(0xffffffff80000801, 0x0, 0xffffffffffffffff, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a3200000000140000001100"], 0x7c}}, 0x8800) sendmsg$NFT_BATCH(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)={{0x14}, [@NFT_MSG_NEWRULE={0x44, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x18, 0x4, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, @redir={{0xa}, @val={0x4}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0x6c}}, 0x0) program crashed: possible deadlock in blkdev_buffered_write bisect: the chunk can be dropped bisect: testing without sub-chunk 2/3 testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [13, 2, 7, 2, 4, 15, 4, 3] detailed listing: executing program 0: fcntl$lock(0xffffffffffffffff, 0x6, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) userfaultfd(0x1) socket(0x80000000000000a, 0x2, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) r0 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000100)={0x43, 0x0, 0x3, 0x3}, 0x10) r1 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r1, 0x10f, 0x87, &(0x7f0000000300)={0x43, 0x3, 0x3, 0x3}, 0x10) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TIPC_CMD_SET_NODE_ADDR(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000100)={0x24, r3, 0x201, 0x400000, 0x0, {{}, {}, {0x8, 0x11, 0x4}}}, 0x24}}, 0x0) executing program 2: r0 = syz_usb_connect(0x2, 0x24, &(0x7f0000000480)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x40, 0xb48, 0x1005, 0x100, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x1, 0x0, 0x80, 0x32, "", [{{0x9, 0x4, 0x1, 0x0, 0x0, 0xff}}]}}]}}, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0}) syz_usb_ep_read(r0, 0x1, 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) executing program 1: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDFONTOP_GET(r0, 0x4b72, 0x0) executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000002040)={0x2, 0x0, @remote}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, 0x0, 0x0) sendmmsg(r0, &(0x7f0000002100), 0x800001d, 0x810) executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x47, &(0x7f0000000240)=ANY=[@ANYBLOB="120100020000004051045f500001010203020902350001020080300904000005ff00000007058102000200070501020002000705820200020007050202"], 0x0) openat(0xffffffffffffff9c, &(0x7f00000002c0)='./dev/ttyUSB0\x00', 0x2, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) quotactl$Q_SETQUOTA(0xffffffff80000801, 0x0, 0xffffffffffffffff, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a3200000000140000001100"], 0x7c}}, 0x8800) sendmsg$NFT_BATCH(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000340)={{0x14}, [@NFT_MSG_NEWRULE={0x44, 0x6, 0xa, 0x40b, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x18, 0x4, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, @redir={{0xa}, @val={0x4}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x1}}}, 0x6c}}, 0x0) program did not crash bisect: testing without sub-chunk 3/3 testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 4, 4, 8, 3, 15, 8, 17, 7] detailed listing: executing program 0: r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f00000001c0)={0xc, 0x0, &(0x7f0000000240)=[@acquire, @enter_looper], 0x53}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000280)={0x20, 0x0, &(0x7f00000002c0)=[@request_death, @clear_death]}) executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000900)='./dev\x00', &(0x7f0000000940)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000980)='./dev/ttyGS0\x00', 0x2, 0x0) write(r0, &(0x7f0000000a00), 0x0) executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000005c0)=ANY=[@ANYBLOB="c4000000190001000000000010000000070000000000000000000000000000016401010200000000000000000000000000000500000000000a00008006000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="00000000000000000000000000000000a7c9043d000000000000000000000000000000000000000008000000000000000000000000000000fbffffffffffffff000000000000000002000000000000000000000000000000040000000000000000000000b86b6e0000010001000000000c", @ANYRES64=r0], 0xc4}, 0x1, 0x0, 0x0, 0x4008011}, 0x0) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r1, &(0x7f0000000700)={0x0, 0x0, &(0x7f0000000740)={&(0x7f0000000780)=ANY=[@ANYBLOB="d40000001b001d0328bd7000fcdbdf25ffffffff000000000000000000000000fe8000000000000000000000000000264e2000014e2404000200000087000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="08000000000000000100010000000000f4ffffffffffffff04000000000000000200000000000000ba410000000091ad07000000000000000000008000000000ffffff7f0000000003000000000000000400000000000000080000000000000003000000b86b6e"], 0xd4}}, 0x0) executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000001440)={0x2, 0x40, @local}, 0x10) setsockopt$sock_int(r0, 0x1, 0x6, &(0x7f0000001480)=0x4, 0x4) connect$inet(r0, &(0x7f00000014c0)={0x2, 0x0, @broadcast}, 0x10) socket$pppl2tp(0x18, 0x1, 0x1) socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r1, &(0x7f0000001200)={0x0, 0x0, &(0x7f0000001240)=[{&(0x7f0000001280)=ANY=[@ANYBLOB="20000000110001009a2701deffdbdf25100000000b"], 0x20}], 0x1, 0x0, 0x0, 0xc010}, 0x40080) executing program 0: syz_clone(0x80842111, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000004c0)='children\x00') pread64(r0, &(0x7f0000000ac0)=""/4102, 0x1006, 0x9) executing program 3: prlimit64(0x0, 0xe, &(0x7f00000004c0)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000500)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000540)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000740)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000007c0), 0x651, 0x0) recvmmsg(r1, &(0x7f0000000800), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000840)=0x6) r3 = openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000980)='net/dev_mcast\x00') recvmsg$unix(r3, &(0x7f0000019f00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000019e40)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x90}, 0x40012101) pread64(r4, &(0x7f00000009c0)=""/102400, 0x19000, 0x41e) executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write bisect: the chunk can be dropped bisect: split chunks (needed=true): <8> bisect: split chunk #0 of len 8 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=31s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 15, 8, 17, 7] detailed listing: executing program 0: syz_clone(0x80842111, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f00000004c0)='children\x00') pread64(r0, &(0x7f0000000ac0)=""/4102, 0x1006, 0x9) executing program 3: prlimit64(0x0, 0xe, &(0x7f00000004c0)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000500)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000540)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f0000000740)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000007c0), 0x651, 0x0) recvmmsg(r1, &(0x7f0000000800), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000840)=0x6) r3 = openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r4 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000980)='net/dev_mcast\x00') recvmsg$unix(r3, &(0x7f0000019f00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000019e40)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x20, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x90}, 0x40012101) pread64(r4, &(0x7f00000009c0)=""/102400, 0x19000, 0x41e) executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write bisect: the chunk can be dropped bisect: testing without sub-chunk 2/2 bisect: no need to test this chunk, it's definitely needed bisect: split chunks (needed=true): <4> bisect: split chunk #0 of len 4 into 2 parts bisect: testing without sub-chunk 1/2 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [8, 17, 7] detailed listing: executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [17, 7] detailed listing: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash bisect: testing without sub-chunk 2/2 testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [8, 7] detailed listing: executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash bisect: split chunks (needed=true): <1>, <1> bisect: split chunk #0 of len 1 into 2 parts bisect: no way to further split the chunk bisect: split chunk #1 of len 1 into 2 parts bisect: no way to further split the chunk bisect: 3 programs left: executing program 1: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) r2 = dup(r1) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000000c80)={0x0, r2}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) bisect: trying to concatenate bisect: concatenate 3 entries minimizing program #0 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [7, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) dup(r1) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [6, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, 0x0) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [5, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r0, 0x4028af11, &(0x7f0000000440)={0x0, 0x1, 0x0, 0x0, 0x0, 0x10000}) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [4, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$int_in(r0, 0x40000000af01, 0x0) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [2, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [1, 17, 7] detailed listing: executing program 0: mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 17, 7] detailed listing: executing program 0: executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) semctl$SETALL(r4, 0x0, 0x11, &(0x7f0000000040)=[0x6, 0x7fff]) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write minimized 8 calls -> 0 calls minimizing program #1 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 16, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) r4 = semget(0x1, 0x4, 0x39c) semop(r4, &(0x7f0000000000)=[{0x1, 0x8001, 0x1000}], 0x1) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 15, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) semget(0x1, 0x4, 0x39c) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 14, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) bind$inet(0xffffffffffffffff, 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 13, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 12, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) read$msr(r3, &(0x7f000000bc00)=""/102392, 0x18ff8) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 11, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) syz_open_dev$MSR(&(0x7f0000000280), 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 10, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 9, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 8, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0xd6d1c000) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 7, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000240)=0x6) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 6, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) getpid() executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 5, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 4, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000200)=0x81) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 3, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) getpgrp(0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 2, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f00000001c0)=0x7) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 1, 7] detailed listing: executing program 1: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000080)={0x8, 0x80000100008b}, 0x0) executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 7] detailed listing: executing program 1: executing program 0: executing program 3: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write minimized 17 calls -> 0 calls minimizing program #2 before concatenation testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, 0xffffffffffffffff, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(0xffffffffffffffff, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) syz_usb_connect(0x0, 0x0, 0x0, 0x0) r0 = dup(0xffffffffffffffff) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r0, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r0, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 6] detailed listing: executing program 1: executing program 2: executing program 0: sendmsg$NFQNL_MSG_CONFIG(0xffffffffffffffff, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [0, 0, 5] detailed listing: executing program 1: executing program 2: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write minimized 7 calls -> 5 calls testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write bisect: concatenation succeeded found reproducer with 5 syscalls minimizing guilty program testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, 0xffffffffffffffff, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(0xffffffffffffffff, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = dup(0xffffffffffffffff) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r0, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r0, 0x0, 0xffffffdb) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, 0x0, 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash extracting C reproducer testing compiled C program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program crashed: possible deadlock in blkdev_buffered_write simplifying C reproducer testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program crashed: possible deadlock in blkdev_buffered_write 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program crashed: possible deadlock in blkdev_buffered_write testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program crashed: possible deadlock in blkdev_buffered_write testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing compiled C program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout program did not crash testing program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program did not crash validation run: crashed=false testing program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write validation run: crashed=true testing program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write validation run: crashed=true testing program (duration=45s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-madvise-write$binfmt_aout detailed listing: executing program 0: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) r1 = dup(r0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xa, 0x13, r1, 0x2000) madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x17) write$binfmt_aout(r1, 0x0, 0xffffffdb) program crashed: possible deadlock in blkdev_buffered_write validation run: crashed=true reproducing took 1h49m58.10449413s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5977 is trying to acquire lock: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_buffered_write+0xd7/0x160 block/fops.c:738 but task is already holding lock: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_write_iter+0x6c5/0x810 block/fops.c:815 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&sb->s_type->i_mutex_key#10); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** May be due to missing lock nesting notation locks held by syz.0.17/5977: 1, last CPU#0: #0: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] #0: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_write_iter+0x6c5/0x810 block/fops.c:815 stack backtrace: CPU: 0 UID: 0 PID: 5977 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_deadlock_bug+0x27a/0x290 kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x25db/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 down_read+0x45/0x320 kernel/locking/rwsem.c:1574 inode_lock_shared include/linux/fs.h:1039 [inline] blkdev_buffered_write+0xd7/0x160 block/fops.c:738 blkdev_write_iter+0x6d5/0x810 block/fops.c:816 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:1036 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc7bcf9e559 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa3957468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc7bd225fa0 RCX: 00007fc7bcf9e559 RDX: 00000000ffffffdb RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc7bd0358b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc7bd225fac R14: 00007fc7bd225fa0 R15: 00007fc7bd225fa0 final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected syzkaller #0 Not tainted -------------------------------------------- syz.0.17/5977 is trying to acquire lock: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_buffered_write+0xd7/0x160 block/fops.c:738 but task is already holding lock: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_write_iter+0x6c5/0x810 block/fops.c:815 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&sb->s_type->i_mutex_key#10); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** May be due to missing lock nesting notation locks held by syz.0.17/5977: 1, last CPU#0: #0: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] #0: ffff8880288d35e8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_write_iter+0x6c5/0x810 block/fops.c:815 stack backtrace: CPU: 0 UID: 0 PID: 5977 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_deadlock_bug+0x27a/0x290 kernel/locking/lockdep.c:3085 check_deadlock kernel/locking/lockdep.c:3137 [inline] validate_chain kernel/locking/lockdep.c:3939 [inline] __lock_acquire+0x25db/0x2de0 kernel/locking/lockdep.c:5288 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942 down_read+0x45/0x320 kernel/locking/rwsem.c:1574 inode_lock_shared include/linux/fs.h:1039 [inline] blkdev_buffered_write+0xd7/0x160 block/fops.c:738 blkdev_write_iter+0x6d5/0x810 block/fops.c:816 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:1036 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc7bcf9e559 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa3957468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fc7bd225fa0 RCX: 00007fc7bcf9e559 RDX: 00000000ffffffdb RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc7bd0358b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc7bd225fac R14: 00007fc7bd225fa0 R15: 00007fc7bd225fa0