last executing test programs: 944.449343ms ago: executing program 0 (id=70): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/block/parameters/events_dfl_poll_msecs\x00', 0x1, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000200)='fd/3\x00') sendfile(r0, r0, 0x0, 0x7) 935.723094ms ago: executing program 0 (id=71): openat$dm_control(0xffffffffffffff9c, &(0x7f0000001300), 0x88841, 0x0) r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000001180), 0x2, 0x0) r1 = openat$dm_control(0xffffffffffffff9c, &(0x7f00000015c0), 0x2, 0x0) ioctl$DM_DEV_CREATE(r1, 0xc138fd03, &(0x7f0000001600)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x9000, 0x0, 0x0, {0x0, {'syz', 0x0, '0\x00'}}}) ioctl$DM_TARGET_MSG(r0, 0xc138fd0e, &(0x7f0000001740)={0x4, 0x0, 0x0, 0x158, 0x138, 0x0, 0x0, 0x1000, 0x0, 0x0, @by_dev={r2}, {0x0, @core='@stats_print_clear 0'}}) 904.944027ms ago: executing program 0 (id=72): mkdirat(0xffffffffffffff9c, &(0x7f00000006c0)='./mydev\x00', 0x1ff) mount(0x0, &(0x7f0000000700)='./mydev\x00', &(0x7f0000000740)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./mydev/ttyS0\x00', 0x2, 0xe1) ioctl$TCSETS(r0, 0x5402, &(0x7f00000007c0)={0x3, 0x8, 0x1000, 0x8, 0x38, "050052029851b42cd3010000000100"}) ioctl$TIOCVHANGUP(r0, 0x5437, 0x0) 891.838789ms ago: executing program 0 (id=73): r0 = openat$kvm(0x0, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$x86(r2, &(0x7f0000000240)={0x0, &(0x7f0000000280)=[@enable_nested={0x12c, 0x18}, @nested_create_vm={0x12d, 0x18}, @nested_intel_vmwrite_mask={0x154, 0x38, {0x0, @host16=0xc06, 0x3}}, @nested_vmlaunch={0x12f, 0x18}], 0x80}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 787.260339ms ago: executing program 0 (id=78): r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c) mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0) madvise(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x1) munmap(&(0x7f0000002000/0x4000)=nil, 0x4000) 778.72778ms ago: executing program 0 (id=79): socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0x0, 0x0}) mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./mnt\x00', 0x777) mount$9p_fd(0x0, &(0x7f0000000400)='./mnt\x00', &(0x7f0000000500), 0x0, &(0x7f0000000600)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r0}}) (async) write$P9_RVERSION(r1, &(0x7f0000000100)={0x15, 0x65, 0xffff, 0x1000, 0x8, '9P2000.u'}, 0x15) write$P9_RATTACH(r1, &(0x7f0000000200)={0x10}, 0x10) 715.334447ms ago: executing program 2 (id=82): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000840)={0x2, 0x0, @ioapic={0x0, 0x2, 0x10001, 0xfffffffd, 0x0, [{0x2, 0x2, 0x87, '\x00', 0x8}, {0x9, 0x8, 0x2, '\x00', 0xa}, {0xff, 0xff, 0xd3, '\x00', 0x67}, {0x0, 0x2, 0xf5, '\x00', 0xf}, {0x9, 0x89, 0xc, '\x00', 0xfb}, {0x0, 0x9, 0x54, '\x00', 0xff}, {0x71, 0xd5, 0xf1, '\x00', 0x7f}, {0x3, 0x80, 0x1, '\x00', 0x8}, {0x7f, 0x5, 0xb, '\x00', 0x8}, {0xd7, 0xd, 0x8, '\x00', 0xa}, {0x0, 0x28, 0x7, '\x00', 0xdc}, {0x40, 0x1, 0x5, '\x00', 0x2}, {0xfe, 0x3, 0x3}, {0xcf, 0xfa, 0xb, '\x00', 0x5}, {0xf, 0x6, 0x5, '\x00', 0x10}, {0x39, 0x2, 0x6, '\x00', 0x8}, {0x9, 0x6, 0x2, '\x00', 0x8}, {0x5, 0x7, 0x5, '\x00', 0xc}, {0x7, 0x1, 0x7}, {0x0, 0x80, 0x1, '\x00', 0x81}, {0x1, 0x9, 0x80, '\x00', 0x7f}, {0x10, 0x3, 0x3, '\x00', 0x10}, {0x0, 0x23, 0xf3, '\x00', 0x4}, {0x7, 0x6, 0x4, '\x00', 0x8}]}}) 613.706157ms ago: executing program 2 (id=89): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x1a, &(0x7f00000005c0)=0x40000401, 0x4) bind$inet6(r0, &(0x7f0000000600)={0xa, 0x4e22, 0x0, @empty, 0xffffffff}, 0x1c) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f0000000040)={0xa, 0x4e22, 0xfffffffd, @loopback, 0xffff}, 0x1c) 591.380039ms ago: executing program 2 (id=92): r0 = fsopen(&(0x7f0000000100)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x4) fchdir(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x101042, 0x15) read$FUSE(r2, &(0x7f00000022c0)={0x2020}, 0x3d0) 565.278892ms ago: executing program 2 (id=95): setns(0xc9, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'syzkaller1\x00', 0x5001}) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000280)={'syzkaller1\x00', 0x1}) write$tun(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="03031b003000320006006300000000446cff00000000000000000000ffffac141419ff020000000000000000000000000001"], 0x76) 437.121425ms ago: executing program 2 (id=99): mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x1c0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000280), 0x42, 0x0) mount$fuse(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000300), 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode=0000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) newfstatat(0xffffffffffffff9c, &(0x7f0000006ac0)='.\x00', &(0x7f0000006b00)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x2000) setreuid(r1, 0x0) stat(&(0x7f0000006dc0)='./file0/file0\x00', 0x0) 414.648507ms ago: executing program 2 (id=101): r0 = userfaultfd(0x80001) pselect6(0x40, &(0x7f0000000180)={0x0, 0x9, 0x0, 0x4, 0x8000801, 0x3, 0x8100002, 0x5}, 0x0, &(0x7f00000001c0)={0xc, 0x1, 0x5, 0x0, 0x9, 0x0, 0x7f, 0x4}, 0x0, 0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)={0xaa, 0x79}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbee6, 0x8031, 0xffffffffffffffff, 0x28f41000) read(r0, &(0x7f0000000080)=""/145, 0x91) 204.967758ms ago: executing program 1 (id=105): r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, 0x0) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000300)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x100000, 0x0, 0x0, {0x0, {'syz', 0x0, '3\x00'}}}) r2 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000440), 0x8c00, 0x0) ioctl$DM_TABLE_LOAD(r2, 0xc138fd09, &(0x7f00000008c0)={0x4, 0x0, 0x0, 0x1a8, 0x138, 0x1, 0x0, 0x0, 0x0, 0x0, @by_dev={r1}, [@striped={0x0, 0x2400, 0x0, 0x70, 'striped\x00', {0x3, 0x20, '7', [{0x20, {@ram={'/dev/ram', 0x0}, 0x20, '1'}}, {0x20, {@rnull={'/dev/syzrnull', 0x0}, 0x20, '16'}}, {0x20, {@ram={'/dev/ram', 0x0}, 0x20, '8191'}}]}}]}) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, r2) 172.448812ms ago: executing program 1 (id=106): r0 = userfaultfd(0x80001) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)={0xaa, 0x79}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}, 0x1}) madvise(&(0x7f000084a000/0x1000)=nil, 0x1000, 0x18) munmap(&(0x7f0000800000/0x800000)=nil, 0x800000) read(r0, &(0x7f00000002c0)=""/153, 0x99) 136.310346ms ago: executing program 3 (id=108): mkdir(&(0x7f00000005c0)='./file0\x00', 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./file2\x00', 0x0) mount$overlay(0x0, &(0x7f0000000640)='./file0\x00', &(0x7f0000000680), 0x0, &(0x7f00000006c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}], [], 0x2c}) chdir(&(0x7f0000000700)='./file0\x00') r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000740)='cgroup.controllers\x00', 0x275a, 0x0) ioctl$FS_IOC_RESVSP(r0, 0xc0189436, &(0x7f0000000800)={0x0, 0x3, 0x8000000000000000, 0x8, 0x3}) 120.080307ms ago: executing program 3 (id=109): r0 = socket$packet(0x11, 0x2, 0x300) setsockopt$packet_int(r0, 0x107, 0xa, &(0x7f0000000900)=0x2, 0x4) setsockopt$packet_rx_ring(r0, 0x107, 0x5, &(0x7f0000000940)=@req3={0x1000, 0x3a, 0x1000, 0x3a, 0x770, 0x0, 0x6}, 0x1c) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000980)={'veth0_to_hsr\x00', 0x0}) sendto$packet(r1, &(0x7f00000009c0)='\t', 0x1, 0x100400c1, &(0x7f0000000a00)={0x11, 0x8100, r2, 0x1, 0x87, 0x6, @random="ca339e8922a4"}, 0x14) 104.293879ms ago: executing program 3 (id=110): r0 = socket(0x28, 0x5, 0x0) bind$vsock_stream(r0, &(0x7f0000000280), 0x10) listen(r0, 0x0) r1 = socket(0x28, 0x5, 0x0) connect$vsock_stream(r1, &(0x7f00000002c0)={0x28, 0x0, 0x0, @local}, 0x10) connect$bt_sco(r1, &(0x7f0000006d80)={0x1f, @none}, 0x8) 90.98867ms ago: executing program 3 (id=111): r0 = socket$inet6(0xa, 0x2, 0x0) sendmmsg$inet6(r0, &(0x7f0000000000)=[{{&(0x7f0000000080)={0xa, 0x4e20, 0x20000000, @dev={0xfe, 0x80, '\x00', 0x64}, 0x10}, 0x1c, 0x0}}, {{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000100)='\'', 0x1}], 0x1}}], 0x2, 0x4e8c0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f0000000140)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xe}}, 0x10) sendmmsg$inet(r1, &(0x7f0000000180)=[{{&(0x7f0000000240)={0x2, 0x4e22, @multicast2}, 0x10, 0x0}}, {{0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000440)="b3fe10", 0x3}], 0x1}}], 0x2, 0xc044) sendto$inet6(r0, 0x0, 0x97, 0x8000, 0x0, 0x0) 79.075851ms ago: executing program 3 (id=112): mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) dup(0xffffffffffffffff) r0 = socket$inet(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000000380)=0x1, 0x4) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) connect$inet(r0, &(0x7f0000000540)={0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0xae}}, 0x10) 67.088343ms ago: executing program 3 (id=113): r0 = syz_kvm_setup_syzos_vm$x86(0xffffffffffffffff, &(0x7f0000c00000/0x400000)=nil) r1 = openat$kvm(0x0, &(0x7f0000000080), 0x200, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) syz_kvm_setup_syzos_vm$x86(r2, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$x86(r0, &(0x7f0000000500)={0x0, &(0x7f0000000540)=[@enable_nested={0x12c, 0x18}, @nested_create_vm={0x12d, 0x18, 0x2}, @nested_intel_vmwrite_mask={0x154, 0x38, {0x2, @host_nat=0x6c02, 0x548803b5, 0x300000, 0x4000000000000001}}, @nested_vmlaunch={0x12f, 0x18, 0x2}], 0x80}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 54.935504ms ago: executing program 1 (id=114): syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) r0 = getpid() syz_pidfd_open(r0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000001c0)='net/llc/socket\x00') readlinkat(r1, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000540)=""/76, 0x4c) 41.778365ms ago: executing program 1 (id=115): r0 = getpgid(0x0) r1 = syz_pidfd_open(r0, 0x0) unshare(0x22020600) mmap$IORING_OFF_SQ_RING(0x110c230000, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) r2 = pidfd_getfd(r1, r1, 0x0) setns(r2, 0x66020000) 26.505027ms ago: executing program 1 (id=116): syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) mkdir(&(0x7f00000000c0)='./bus\x00', 0x13e) mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0) chdir(&(0x7f00000003c0)='./bus\x00') mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f00000002c0)='./cgroup.cpu/syz1\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./cgroup\x00', 0x0, 0x20003f, 0x0) 0s ago: executing program 1 (id=117): mkdirat(0xffffffffffffff9c, &(0x7f0000001480)='./file0\x00', 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f00000014c0), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000001500)='./file0\x00', &(0x7f0000001540), 0x0, &(0x7f0000001580)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=r0, @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) faccessat2(0xffffffffffffff9c, &(0x7f0000001600)='./file0\x00', 0x4, 0x0) syz_fuse_handle_req(r0, &(0x7f0000001640)="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0x2000, &(0x7f0000003640)={&(0x7f0000003700)={0x50, 0x0, 0x465a, {0x7, 0x28, 0x4, 0x508818, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x40, 0xff}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuse_handle_req(r0, 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", 0x2000, &(0x7f00000057c0)={&(0x7f0000005880)={0x50, 0xffffffffffffff8c, 0xad64, {0x7, 0x2b, 0x0, 0x2c000, 0xfffe, 0x0, 0x80000001, 0x0, 0x0, 0x0, 0x4}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts. [ 21.837004][ T36] audit: type=1400 audit(1793599153.139:64): avc: denied { mounton } for pid=286 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.838127][ T286] cgroup: Unknown subsys name 'net' [ 21.859853][ T36] audit: type=1400 audit(1793599153.139:65): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.887107][ T36] audit: type=1400 audit(1793599153.169:66): avc: denied { unmount } for pid=286 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.887286][ T286] cgroup: Unknown subsys name 'devices' [ 22.011606][ T286] cgroup: Unknown subsys name 'hugetlb' [ 22.017266][ T286] cgroup: Unknown subsys name 'rlimit' [ 22.129469][ T36] audit: type=1400 audit(1793599153.429:67): avc: denied { setattr } for pid=286 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.153165][ T36] audit: type=1400 audit(1793599153.429:68): avc: denied { mounton } for pid=286 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 22.162279][ T288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.178065][ T36] audit: type=1400 audit(1793599153.429:69): avc: denied { mount } for pid=286 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 22.209635][ T36] audit: type=1400 audit(1793599153.489:70): avc: denied { relabelto } for pid=288 comm="mkswap" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.235298][ T36] audit: type=1400 audit(1793599153.489:71): avc: denied { write } for pid=288 comm="mkswap" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.268121][ T36] audit: type=1400 audit(1793599153.569:72): avc: denied { read } for pid=286 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.293776][ T36] audit: type=1400 audit(1793599153.569:73): avc: denied { open } for pid=286 comm="syz-executor" path="/root/swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.294181][ T286] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.127686][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.135029][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.142225][ T296] bridge_slave_0: entered allmulticast mode [ 23.148410][ T296] bridge_slave_0: entered promiscuous mode [ 23.162061][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.169103][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.176313][ T296] bridge_slave_1: entered allmulticast mode [ 23.182488][ T296] bridge_slave_1: entered promiscuous mode [ 23.200737][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.207784][ T293] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.214924][ T293] bridge_slave_0: entered allmulticast mode [ 23.221299][ T293] bridge_slave_0: entered promiscuous mode [ 23.227672][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.234756][ T293] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.241874][ T293] bridge_slave_1: entered allmulticast mode [ 23.248008][ T293] bridge_slave_1: entered promiscuous mode [ 23.275466][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.282688][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.289926][ T295] bridge_slave_0: entered allmulticast mode [ 23.296187][ T295] bridge_slave_0: entered promiscuous mode [ 23.302387][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.309422][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.316552][ T294] bridge_slave_0: entered allmulticast mode [ 23.322844][ T294] bridge_slave_0: entered promiscuous mode [ 23.331244][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.338275][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.345408][ T295] bridge_slave_1: entered allmulticast mode [ 23.351623][ T295] bridge_slave_1: entered promiscuous mode [ 23.362388][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.369428][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.376582][ T294] bridge_slave_1: entered allmulticast mode [ 23.382791][ T294] bridge_slave_1: entered promiscuous mode [ 23.527806][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.534895][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.542201][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.549227][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.557824][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.564883][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.572262][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.579292][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.587773][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.594831][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.602207][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.609227][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.627291][ T293] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.634351][ T293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.641657][ T293] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.648767][ T293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.688796][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.696601][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.704130][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.711976][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.719201][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.726521][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.733859][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.741162][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.755979][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.763039][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.770811][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.777825][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.791076][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.798129][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.821505][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.828563][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.836119][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.843352][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.851226][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.858270][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.865861][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.872977][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.892669][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.899744][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.935031][ T296] veth0_vlan: entered promiscuous mode [ 23.942620][ T295] veth0_vlan: entered promiscuous mode [ 23.954563][ T294] veth0_vlan: entered promiscuous mode [ 23.966876][ T296] veth1_macvtap: entered promiscuous mode [ 23.988606][ T295] veth1_macvtap: entered promiscuous mode [ 23.996972][ T293] veth0_vlan: entered promiscuous mode [ 24.010992][ T294] veth1_macvtap: entered promiscuous mode [ 24.034696][ T293] veth1_macvtap: entered promiscuous mode [ 24.046158][ T295] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 24.133999][ T321] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 24.419979][ T65] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.545076][ T360] FAULT_INJECTION: forcing a failure. [ 24.545076][ T360] name failslab, interval 1, probability 0, space 0, times 1 [ 24.558044][ T360] CPU: 0 UID: 0 PID: 360 Comm: syz.2.19 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 24.558077][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 24.558097][ T360] Call Trace: [ 24.558104][ T360] [ 24.558111][ T360] __dump_stack+0x21/0x30 [ 24.558134][ T360] dump_stack_lvl+0x140/0x1c0 [ 24.558152][ T360] ? __cfi_dump_stack_lvl+0x10/0x10 [ 24.558171][ T360] dump_stack+0x19/0x20 [ 24.558187][ T360] should_fail_ex+0x3c2/0x510 [ 24.558223][ T360] should_failslab+0xac/0x100 [ 24.558244][ T360] __kmalloc_node_noprof+0x69/0x500 [ 24.558272][ T360] ? __kvmalloc_node_noprof+0x128/0x300 [ 24.558296][ T360] __kvmalloc_node_noprof+0x128/0x300 [ 24.558318][ T360] ? kasan_save_alloc_info+0x3a/0x50 [ 24.558341][ T360] ? __cfi___kvmalloc_node_noprof+0x10/0x10 [ 24.558362][ T360] ? __kmalloc_cache_noprof+0x220/0x470 [ 24.558386][ T360] ? alloc_fdtable+0xd2/0x4f0 [ 24.558402][ T360] alloc_fdtable+0x11b/0x4f0 [ 24.558416][ T360] ? __cfi_lockref_get+0x10/0x10 [ 24.558438][ T360] dup_fd+0x6af/0x9c0 [ 24.558453][ T360] ? copy_fs_struct+0x160/0x2d0 [ 24.558477][ T360] ksys_unshare+0x46a/0x920 [ 24.558493][ T360] ? fput+0x1a4/0x230 [ 24.558504][ T360] ? __cfi_ksys_unshare+0x10/0x10 [ 24.558519][ T360] ? __kasan_check_write+0x18/0x20 [ 24.558533][ T360] __x64_sys_unshare+0x3c/0x50 [ 24.558547][ T360] x64_sys_call+0x2998/0x2ee0 [ 24.558558][ T360] do_syscall_64+0x57/0xf0 [ 24.558568][ T360] ? clear_bhb_loop+0x50/0xa0 [ 24.558580][ T360] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.558592][ T360] RIP: 0033:0x7f4729f9f559 [ 24.558609][ T360] 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 [ 24.558618][ T360] RSP: 002b:00007f472ae9c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 [ 24.558633][ T360] RAX: ffffffffffffffda RBX: 00007f472a225fa0 RCX: 00007f4729f9f559 [ 24.558642][ T360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000062020680 [ 24.558649][ T360] RBP: 00007f472a036b50 R08: 0000000000000000 R09: 0000000000000000 [ 24.558656][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 24.558662][ T360] R13: 00007f472a226038 R14: 00007f472a225fa0 R15: 00007fff61925078 [ 24.558671][ T360] [ 24.589930][ T65] usb 1-1: Using ep0 maxpacket: 8 [ 24.796985][ T65] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 24.807233][ T65] usb 1-1: config 1 has 2 interfaces, different from the descriptor's value: 3 [ 24.817601][ T65] usb 1-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid wMaxPacketSize 0 [ 24.828944][ T65] usb 1-1: New USB device found, idVendor=0582, idProduct=0025, bcdDevice= 0.40 [ 24.839600][ T65] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 24.847692][ T65] usb 1-1: Product: syz [ 24.852502][ T65] usb 1-1: Manufacturer: syz [ 24.857165][ T65] usb 1-1: SerialNumber: syz [ 25.380582][ T393] ======================================================= [ 25.380582][ T393] WARNING: The mand mount option has been deprecated and [ 25.380582][ T393] and is ignored by this kernel. Remove the mand [ 25.380582][ T393] option from the mount to silence this warning. [ 25.380582][ T393] ======================================================= [ 25.466189][ T65] usb 1-1: uac_clock_source_is_valid(): cannot get clock validity for id 0 [ 25.474968][ T65] usb 1-1: clock source 0 is not valid, cannot use [ 25.482048][ T65] usb 1-1: 1:1: cannot get freq (v2/v3): err -32 [ 25.590650][ T9] usb 4-1: new full-speed USB device number 2 using dummy_hcd [ 25.713672][ T65] usb 1-1: USB disconnect, device number 2 [ 25.739403][ T416] process 'syz.1.43' launched './file1' with NULL argv: empty string added [ 25.740455][ T9] usb 4-1: not running at top speed; connect to a high speed hub [ 25.757564][ T9] usb 4-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 25.767737][ T9] usb 4-1: New USB device found, idVendor=046d, idProduct=0825, bcdDevice= 1.00 [ 25.778790][ T9] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.789581][ T9] usb 4-1: Found UVC 1.00 device (046d:0825) [ 25.851740][ T426] FAULT_INJECTION: forcing a failure. [ 25.851740][ T426] name fail_usercopy, interval 1, probability 0, space 0, times 1 [ 25.864835][ T426] CPU: 1 UID: 0 PID: 426 Comm: syz.2.48 Not tainted syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 25.864868][ T426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 25.864882][ T426] Call Trace: [ 25.864889][ T426] [ 25.864897][ T426] __dump_stack+0x21/0x30 [ 25.864920][ T426] dump_stack_lvl+0x140/0x1c0 [ 25.864936][ T426] ? __cfi_dump_stack_lvl+0x10/0x10 [ 25.864946][ T426] ? check_stack_object+0x10f/0x150 [ 25.864962][ T426] dump_stack+0x19/0x20 [ 25.864972][ T426] should_fail_ex+0x3c2/0x510 [ 25.864988][ T426] should_fail+0xf/0x20 [ 25.865006][ T426] should_fail_usercopy+0x1e/0x30 [ 25.865025][ T426] _copy_from_user+0x20/0xa0 [ 25.865045][ T426] copy_clone_args_from_user+0x20c/0x740 [ 25.865066][ T426] ? futex_wait+0x2b8/0x7c0 [ 25.865086][ T426] ? __delayed_free_task+0x40/0x40 [ 25.865097][ T426] __se_sys_clone3+0x143/0x360 [ 25.865111][ T426] ? do_futex+0x32a/0x510 [ 25.865121][ T426] ? __x64_sys_clone3+0x80/0x80 [ 25.865135][ T426] ? __se_sys_futex+0x13c/0x320 [ 25.865150][ T426] ? fput+0x1a4/0x230 [ 25.865172][ T426] ? __kasan_check_write+0x18/0x20 [ 25.865198][ T426] __x64_sys_clone3+0x5f/0x80 [ 25.865222][ T426] x64_sys_call+0x28fc/0x2ee0 [ 25.865232][ T426] do_syscall_64+0x57/0xf0 [ 25.865242][ T426] ? clear_bhb_loop+0x50/0xa0 [ 25.865254][ T426] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.865266][ T426] RIP: 0033:0x7f4729f9f559 [ 25.865277][ T426] 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 [ 25.865286][ T426] RSP: 002b:00007f472ae9bef8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 [ 25.865307][ T426] RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f4729f9f559 [ 25.865321][ T426] RDX: 00007f472ae9bf10 RSI: 0000000000000058 RDI: 00007f472ae9bf10 [ 25.865333][ T426] RBP: 00007f472a036b50 R08: 0000000000000000 R09: 0000000000000058 [ 25.865345][ T426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 25.865357][ T426] R13: 00007f472a226038 R14: 00007f472a225fa0 R15: 00007fff61925078 [ 25.865370][ T426] [ 26.039758][ T383] usb 2-1: new full-speed USB device number 2 using dummy_hcd [ 26.090143][ T9] usb 4-1: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround. [ 26.099809][ T9] uvcvideo 4-1:1.1: Failed to query (129) UVC probe control : -71 (exp. 26). [ 26.108616][ T9] uvcvideo 4-1:1.1: Failed to initialize the device (-71). [ 26.117532][ T9] usb 4-1: USB disconnect, device number 2 [ 26.270967][ T383] usb 2-1: config 0 interface 0 altsetting 21 has 1 endpoint descriptor, different from the interface descriptor's value: 2 [ 26.284166][ T383] usb 2-1: config 0 interface 0 has no altsetting 0 [ 26.291103][ T383] usb 2-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.00 [ 26.300161][ T383] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.308703][ T383] usb 2-1: config 0 descriptor?? [ 26.724315][ T383] logitech 0003:046D:C294.0001: hidraw0: USB HID v10.01 Device [HID 046d:c294] on usb-dummy_hcd.1-1/input0 [ 26.748735][ T383] logitech 0003:046D:C294.0001: no inputs found [ 26.945289][ T36] kauditd_printk_skb: 94 callbacks suppressed [ 26.945313][ T36] audit: type=1400 audit(1793599158.249:168): avc: denied { create } for pid=475 comm="syz.2.59" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=blk_file permissive=1 [ 26.964663][ T383] usb 2-1: USB disconnect, device number 2 [ 26.977968][ T36] audit: type=1400 audit(1793599158.279:169): avc: denied { read write } for pid=475 comm="syz.2.59" name="file0" dev="tmpfs" ino=103 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=blk_file permissive=1 [ 27.002679][ T480] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 27.007260][ T36] audit: type=1400 audit(1793599158.279:170): avc: denied { open } for pid=475 comm="syz.2.59" path="/16/file0" dev="tmpfs" ino=103 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=blk_file permissive=1 [ 27.050835][ T36] audit: type=1400 audit(1793599158.279:171): avc: denied { unlink } for pid=296 comm="syz-executor" name="file0" dev="tmpfs" ino=103 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=blk_file permissive=1 [ 27.098097][ T36] audit: type=1400 audit(1793599158.399:172): avc: denied { mount } for pid=487 comm="syz.0.65" name="/" dev="securityfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:security_t tclass=filesystem permissive=1 [ 27.133178][ T36] audit: type=1400 audit(1793599158.439:173): avc: denied { mount } for pid=490 comm="syz.0.66" name="/" dev="devtmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 27.155195][ T36] audit: type=1400 audit(1793599158.439:174): avc: denied { read write } for pid=490 comm="syz.0.66" name="control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 27.178815][ T36] audit: type=1400 audit(1793599158.439:175): avc: denied { open } for pid=490 comm="syz.0.66" path="/10/dev/mapper/control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 27.212210][ T36] audit: type=1400 audit(1793599158.519:176): avc: denied { unmount } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=filesystem permissive=1 [ 27.259843][ T36] audit: type=1400 audit(1793599158.569:177): avc: denied { ioctl } for pid=502 comm="syz.0.71" path="/dev/mapper/control" dev="devtmpfs" ino=198 ioctlcmd=0xfd03 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1                                                                                                                                                 [ 28.331569][ T294] ? __x64_sys_umount+0x12e/0x180 [ 28.336597][ T294] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.342003][ T294] ? __kasan_check_read+0x15/0x20 [ 28.347084][ T294] resume_user_mode_work+0x35/0x50 [ 28.352311][ T294] syscall_exit_to_user_mode+0x63/0xb0 [ 28.357883][ T294] do_syscall_64+0x63/0xf0 [ 28.362321][ T294] ? clear_bhb_loop+0x50/0xa0 [ 28.367040][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.373098][ T294] RIP: 0033:0x7fc4e7da0797 [ 28.377524][ T294] Code: a2 c7 05 5c 9f 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 28.397192][ T294] RSP: 002b:00007ffcdb15ce78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.405650][ T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e7da0797 [ 28.413658][ T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdb15cf30 [ 28.421840][ T294] RBP: 00007ffcdb15cf30 R08: 00007ffcdb15df30 R09: 00000000ffffffff [ 28.429942][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcdb15dfc0 [ 28.439591][ T294] R13: 00007fc4e7e35f93 R14: 0000000000006e04 R15: 00007ffcdb15e000 [ 28.447699][ T294] [ 28.450859][ T294] ---[ end trace 0000000000000000 ]--- syzkaller [ 28.456780][ T294] ================================================================== syzkaller login[ 28.465552][ T294] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 28.473172][ T294] Write of size 4 at addr 0000000000000168 by task syz-executor/294 : [ 28.481153][ T294] [ 28.483642][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Tainted: G W syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 28.483662][ T294] Tainted: [W]=WARN [ 28.483666][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.483673][ T294] Call Trace: [ 28.483676][ T294] [ 28.483681][ T294] __dump_stack+0x21/0x30 [ 28.483694][ T294] dump_stack_lvl+0x140/0x1c0 [ 28.483704][ T294] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.483714][ T294] print_report+0x3d/0x70 [ 28.483723][ T294] kasan_report+0x162/0x1a0 [ 28.483734][ T294] ? ihold+0x24/0x70 [ 28.483744][ T294] ? ihold+0x24/0x70 [ 28.483753][ T294] kasan_check_range+0x25a/0x2b0 [ 28.483767][ T294] __kasan_check_write+0x18/0x20 [ 28.483779][ T294] ihold+0x24/0x70 [ 28.483788][ T294] vfs_rmdir+0x25c/0x560 [ 28.483800][ T294] incfs_kill_sb+0x102/0x220 [ 28.483814][ T294] deactivate_locked_super+0xd2/0x270 [ 28.483826][ T294] deactivate_super+0xb8/0xe0 [ 28.483838][ T294] cleanup_mnt+0x438/0x4d0 [ 28.483848][ T294] __cleanup_mnt+0x1d/0x40 [ 28.483857][ T294] task_work_run+0x1e8/0x260 [ 28.483871][ T294] ? __cfi_task_work_run+0x10/0x10 [ 28.483884][ T294] ? __x64_sys_umount+0x12e/0x180 [ 28.483896][ T294] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.483908][ T294] ? __kasan_check_read+0x15/0x20 [ 28.483920][ T294] resume_user_mode_work+0x35/0x50 [ 28.483932][ T294] syscall_exit_to_user_mode+0x63/0xb0 [ 28.483946][ T294] do_syscall_64+0x63/0xf0 [ 28.483955][ T294] ? clear_bhb_loop+0x50/0xa0 [ 28.483968][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.483980][ T294] RIP: 0033:0x7fc4e7da0797 [ 28.483990][ T294] Code: a2 c7 05 5c 9f 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 28.483998][ T294] RSP: 002b:00007ffcdb15ce78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.484010][ T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e7da0797 [ 28.484018][ T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdb15cf30 [ 28.484024][ T294] RBP: 00007ffcdb15cf30 R08: 00007ffcdb15df30 R09: 00000000ffffffff [ 28.484032][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcdb15dfc0 [ 28.484038][ T294] R13: 00007fc4e7e35f93 R14: 0000000000006e04 R15: 00007ffcdb15e000 [ 28.484047][ T294] [ 28.484051][ T294] ================================================================== [ 28.724833][ T294] Disabling lock debugging due to kernel taint [ 28.734257][ T294] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 28.742083][ T294] #PF: supervisor write access in kernel mode [ 28.748179][ T294] #PF: error_code(0x0002) - not-present page [ 28.754425][ T294] PGD 800000010013e067 P4D 800000010013e067 PUD 0 [ 28.761045][ T294] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 28.767107][ T294] CPU: 0 UID: 0 PID: 294 Comm: syz-executor Tainted: G B W syzkaller #0 c6d530d213d6421e3ceaeda0202ca36fa97e3e13 [ 28.780211][ T294] Tainted: [B]=BAD_PAGE, [W]=WARN [ 28.785216][ T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 28.795258][ T294] RIP: 0010:ihold+0x2a/0x70 [ 28.799755][ T294] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 28.819349][ T294] RSP: 0018:ffffc9000160fcc8 EFLAGS: 00010246 [ 28.825404][ T294] RAX: ffff888120b51300 RBX: 0000000000000000 RCX: ffff888120b513c0 [ 28.833378][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.841335][ T294] RBP: ffffc9000160fcd8 R08: ffffffff893d7947 R09: 1ffffffff127af28 [ 28.849305][ T294] R10: dffffc0000000000 R11: fffffbfff127af29 R12: 0000000000000000 [ 28.857278][ T294] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 28.865254][ T294] FS: 000055556260d500(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 28.874185][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.880775][ T294] CR2: 0000000000000168 CR3: 0000000126316000 CR4: 00000000003526b0 [ 28.888766][ T294] DR0: 0000000000000000 DR1: 0000000000003000 DR2: 0000000000000000 [ 28.896728][ T294] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 28.904696][ T294] Call Trace: [ 28.907965][ T294] [ 28.910911][ T294] vfs_rmdir+0x25c/0x560 [ 28.915147][ T294] incfs_kill_sb+0x102/0x220 [ 28.919732][ T294] deactivate_locked_super+0xd2/0x270 [ 28.925110][ T294] deactivate_super+0xb8/0xe0 [ 28.929777][ T294] cleanup_mnt+0x438/0x4d0 [ 28.934196][ T294] __cleanup_mnt+0x1d/0x40 [ 28.938609][ T294] task_work_run+0x1e8/0x260 [ 28.943193][ T294] ? __cfi_task_work_run+0x10/0x10 [ 28.948297][ T294] ? __x64_sys_umount+0x12e/0x180 [ 28.953314][ T294] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.958677][ T294] ? __kasan_check_read+0x15/0x20 [ 28.963690][ T294] resume_user_mode_work+0x35/0x50 [ 28.968797][ T294] syscall_exit_to_user_mode+0x63/0xb0 [ 28.974276][ T294] do_syscall_64+0x63/0xf0 [ 28.978691][ T294] ? clear_bhb_loop+0x50/0xa0 [ 28.983376][ T294] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.989271][ T294] RIP: 0033:0x7fc4e7da0797 [ 28.993677][ T294] Code: a2 c7 05 5c 9f 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 29.013448][ T294] RSP: 002b:00007ffcdb15ce78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 29.021859][ T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e7da0797 [ 29.029819][ T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdb15cf30 [ 29.037777][ T294] RBP: 00007ffcdb15cf30 R08: 00007ffcdb15df30 R09: 00000000ffffffff [ 29.045735][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcdb15dfc0 [ 29.053712][ T294] R13: 00007fc4e7e35f93 R14: 0000000000006e04 R15: 00007ffcdb15e000 [ 29.061675][ T294] [ 29.064681][ T294] Modules linked in: [ 29.068584][ T294] CR2: 0000000000000168 [ 29.072718][ T294] ---[ end trace 0000000000000000 ]--- [ 29.078171][ T294] RIP: 0010:ihold+0x2a/0x70 [ 29.082670][ T294] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 29.102354][ T294] RSP: 0018:ffffc9000160fcc8 EFLAGS: 00010246 [ 29.108410][ T294] RAX: ffff888120b51300 RBX: 0000000000000000 RCX: ffff888120b513c0 [ 29.116375][ T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.124345][ T294] RBP: ffffc9000160fcd8 R08: ffffffff893d7947 R09: 1ffffffff127af28 [ 29.132338][ T294] R10: dffffc0000000000 R11: fffffbfff127af29 R12: 0000000000000000 [ 29.140306][ T294] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 [ 29.148353][ T294] FS: 000055556260d500(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 29.157272][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.163844][ T294] CR2: 0000000000000168 CR3: 0000000126316000 CR4: 00000000003526b0 [ 29.171980][ T294] DR0: 0000000000000000 DR1: 0000000000003000 DR2: 0000000000000000 [ 29.179949][ T294] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 29.187931][ T294] Kernel panic - not syncing: Fatal exception [ 29.194116][ T294] Kernel Offset: disabled [ 29.198530][ T294] Rebooting in 86400 seconds..