last executing test programs: 119.255086ms ago: executing program 2 (id=3): r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, 0x0, 0x8801) fsopen(&(0x7f0000000600)='proc\x00', 0x0) r1 = socket$inet6(0xa, 0x802, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x3b, &(0x7f0000000000)=ANY=[], 0x40) getsockopt$inet6_opts(r1, 0x29, 0x39, 0x0, &(0x7f0000000040)) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) pipe(0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x1c0) mkdir(&(0x7f0000000080)='./bus\x00', 0xe8) mount$overlay(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100), 0x0, &(0x7f0000000140)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}, {@volatile}]}) r2 = syz_open_procfs(0x0, &(0x7f0000000180)='mounts\x00') read$FUSE(r2, &(0x7f0000000640)={0x2020}, 0x2020) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x1, 0x4, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f0000000280)=@new_dev={0x44, 0x3c9, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x40}}}, &(0x7f00000002c0)=0x0) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = dup(r4) syz_ublk_setup_queues(r5, r3, &(0x7f0000000300)={0x0, 0xbada, 0xc000, 0xfffff7fe, 0xa8, 0x0, r5}, &(0x7f0000000380)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0x4705, 0x40, 0x1000000, 0x22a}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xfffffffc, 0x8, 0x2000000, 0x144}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x1f70, 0x400, 0x1, 0x77}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x0, 0x8000, 0x1, 0xffffffff}}], 0x1, 0x0, 0x0) 113.426356ms ago: executing program 3 (id=4): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_linger(r0, 0x1, 0x45, &(0x7f0000000080), 0x8) creat(&(0x7f0000000000)='./file0\x00', 0x40) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f00000001c0), 0x80, &(0x7f0000000200)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) r2 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='.\x00', 0x0, 0x0) fchown(r2, 0x0, 0xee01) fchmodat(0xffffffffffffff9c, &(0x7f0000000100)='.\x00', 0xfffffed3) capset(&(0x7f0000000280)={0x20071026}, &(0x7f00000002c0)={0x0, 0x7, 0x4, 0x81, 0xffffffff}) openat(0xffffffffffffff9c, &(0x7f0000000300)='./file2\x00', 0x48040, 0x6ab858183a7ef6ba) creat(&(0x7f0000000140)='./file0\x00', 0x4) 97.468427ms ago: executing program 0 (id=1): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x16f) mount(0x0, &(0x7f0000000040)='./dev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./dev/console\x00', 0x1, 0x0) r1 = fsopen(&(0x7f0000000100)='ramfs\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) prctl$PR_SET_MM_EXE_FILE(0x36, 0xd, 0xffffffffffffffff) r2 = fsmount(r0, 0x0, 0x0) fchdir(r2) writev(r2, &(0x7f0000000100), 0x10000000000000dc) 84.919988ms ago: executing program 1 (id=2): r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) mmap$binder(&(0x7f00000a0000)=nil, 0x2000, 0x1, 0x11, r0, 0x0) creat(&(0x7f00000048c0)='./file0\x00', 0x20) r1 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x42, 0x0) mount$fuse(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000300), 0x1000000, &(0x7f00000004c0)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=00000000000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0]) capset(&(0x7f0000000540)={0x19980330}, &(0x7f0000000580)) read$FUSE(r1, &(0x7f00000005c0)={0x2020, 0x0, 0x0}, 0x2020) write$FUSE_INIT(r1, &(0x7f0000002600)={0x50, 0x0, r2, {0x7, 0x1f, 0x0, 0x34808521, 0x4, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xa4001f7e}}, 0x50) syz_fuse_handle_req(r1, &(0x7f0000002680)="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", 0x2000, &(0x7f0000004680)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000004740)={0x20, 0x0, 0x0, {0x0, 0x11}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = openat(0xffffffffffffff9c, 0x0, 0x24c01, 0x8) io_setup(0x6, &(0x7f00000047c0)=0x0) io_submit(r4, 0x2, &(0x7f0000004800)=[&(0x7f0000004840)={0xfffffffe, 0x20011004, 0x4, 0x1, 0x0, r3, &(0x7f0000004880)='!', 0xffffff49, 0x3000000000000500}]) dup3(r3, r1, 0x0) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='comm\x00') 0s ago: executing program 0 (id=5): r0 = openat$dm_control(0xffffff9c, &(0x7f0000000100), 0x2, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000006c0)='./proc\x00', 0x1ff) r1 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000700)={@remote}, 0x14) setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000740)={@dev={0xfe, 0x80, '\x00', 0xd}}, 0x14) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000780), 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, 0x0) ioctl$TUNSETNOCSUM(r2, 0x400454c8, 0x0) setsockopt$inet6_mreq(r1, 0x29, 0x1c, &(0x7f00000007c0)={@remote}, 0x14) r3 = socket$inet6(0x10, 0x1, 0x7) sendto$inet6(r3, 0x0, 0x0, 0x0, 0x0, 0x0) recvfrom(r3, 0x0, 0x0, 0x100, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000800)={'lo\x00'}) ioctl$sock_inet6_SIOCSIFADDR(0xffffffffffffffff, 0x8916, 0x0) recvfrom$inet6(r3, 0x0, 0x0, 0x0, 0x0, 0x0) umount2(&(0x7f0000000840)='./proc\x00', 0x2) r4 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r4, &(0x7f0000000880)={0x0, 0x0, &(0x7f00000008c0)=[{&(0x7f0000000900)={0x20, 0x11, 0x100, 0x0, 0x25dfdbff, "", [@nested={0x10, 0x0, 0x0, 0x0, [@typed={0xb, 0x0, 0x0, 0x0, @binary="56ccabd869c203"}]}]}, 0x20}], 0x1, 0x0, 0x0, 0xc010}, 0x20040080) ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000002440)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x80800, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}, @uuid={'LVM-syz', 0x0, '1\x00'}}}) r6 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r6, &(0x7f0000000540)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0x1}}, 0x10) r7 = socket$tipc(0x1e, 0x2, 0x0) bind$tipc(r7, &(0x7f0000000580)=@name={0x1e, 0x2, 0x0, {{0x42}}}, 0x10) bind$tipc(r7, &(0x7f00000005c0)=@nameseq={0x1e, 0x1, 0x3, {0x42, 0x2000002, 0xfffffffe}}, 0x10) setsockopt$TIPC_GROUP_JOIN(r6, 0x10f, 0x87, &(0x7f0000000600)={0x42, 0x3, 0x2}, 0x10) sendmsg$tipc(r6, &(0x7f0000000640)={&(0x7f0000000680)=@name={0x1e, 0x2, 0x3, {{0x42, 0x3}, 0x2}}, 0x10, 0x0}, 0x4000891) ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x1b8, 0x138, 0x1, 0x0, 0x0, 0x0, 0x0, @by_dev={r5}, [@snapshot={0x0, 0x2018, 0x0, 0x80, 'snapshot\x00', {@ram={'/dev/ram', 0x1}, 0x20, @ram_num={'1:', 0x1}, 0x20, 'P', 0x20, '7', ' 2 discard_zeroes_cow discard_passdown_origin'}}]}) socketpair(0xa, 0x4, 0x50d, &(0x7f0000000000)={0xffffffffffffffff}) pwrite64(r8, &(0x7f00000003c0)="203ea8738cb7885903f3deb48c2fafc99f1d07a44b2e559de5a0c31ee65b2f98e4dbc6497655abfd7c0a5f81d2e6ae44f8563f3cd95e25b93ba15bf04c6208c041a5072167a40cc6b4e2bb986f0fcc93083548b90e303d085a91e74d6bef88e10f96c97dcc1c0b9a911940db9933849f8aaf712dc958f9c803a1fca878c3ccdef5e483e69704bc633cfa1d9dcc01094c71413cf5", 0x94, 0x800) openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. [ 23.190822][ T36] audit: type=1400 audit(1792529095.190:64): avc: denied { mounton } for pid=287 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 [ 23.194407][ T287] cgroup: Unknown subsys name 'net' [ 23.213501][ T36] audit: type=1400 audit(1792529095.190:65): avc: denied { mount } for pid=287 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 [ 23.240940][ T36] audit: type=1400 audit(1792529095.220:66): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.241302][ T287] cgroup: Unknown subsys name 'devices' [ 23.349640][ T287] cgroup: Unknown subsys name 'hugetlb' [ 23.355280][ T287] cgroup: Unknown subsys name 'rlimit' [ 23.451061][ T36] audit: type=1400 audit(1792529095.450:67): avc: denied { setattr } for pid=287 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 [ 23.474247][ T36] audit: type=1400 audit(1792529095.450:68): avc: denied { mounton } for pid=287 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 [ 23.499073][ T36] audit: type=1400 audit(1792529095.450:69): avc: denied { mount } for pid=287 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 [ 23.523163][ T289] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 23.532083][ T36] audit: type=1400 audit(1792529095.530:70): avc: denied { relabelto } for pid=289 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" [ 23.557905][ T36] audit: type=1400 audit(1792529095.530:71): avc: denied { write } for pid=289 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" [ 23.608987][ T36] audit: type=1400 audit(1792529095.610:72): avc: denied { read } for pid=287 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" [ 23.634583][ T36] audit: type=1400 audit(1792529095.610:73): avc: denied { open } for pid=287 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" [ 23.635261][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.195125][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.202229][ T294] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.209357][ T294] bridge_slave_0: entered allmulticast mode [ 25.215661][ T294] bridge_slave_0: entered promiscuous mode [ 25.229099][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.236163][ T294] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.243283][ T294] bridge_slave_1: entered allmulticast mode [ 25.249638][ T294] bridge_slave_1: entered promiscuous mode [ 25.257440][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.264503][ T295] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.271602][ T295] bridge_slave_0: entered allmulticast mode [ 25.277961][ T295] bridge_slave_0: entered promiscuous mode [ 25.290789][ T297] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.297942][ T297] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.305034][ T297] bridge_slave_0: entered allmulticast mode [ 25.311460][ T297] bridge_slave_0: entered promiscuous mode [ 25.319537][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.326591][ T295] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.333737][ T295] bridge_slave_1: entered allmulticast mode [ 25.340051][ T295] bridge_slave_1: entered promiscuous mode [ 25.352390][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.359510][ T297] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.366599][ T297] bridge_slave_1: entered allmulticast mode [ 25.372973][ T297] bridge_slave_1: entered promiscuous mode [ 25.390920][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.398055][ T296] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.405218][ T296] bridge_slave_0: entered allmulticast mode [ 25.411573][ T296] bridge_slave_0: entered promiscuous mode [ 25.418141][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.425197][ T296] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.432501][ T296] bridge_slave_1: entered allmulticast mode [ 25.438810][ T296] bridge_slave_1: entered promiscuous mode [ 25.599415][ T297] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.606506][ T297] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.613904][ T297] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.620989][ T297] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.636190][ T295] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.643294][ T295] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.650623][ T295] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.657724][ T295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.680347][ T296] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.687563][ T296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.694860][ T296] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.701966][ T296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.720589][ T294] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.727687][ T294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.735023][ T294] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.742137][ T294] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.761667][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.769065][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.776301][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.783969][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.791350][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.798689][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.805945][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.813392][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.837703][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.844816][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.855054][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.862167][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.890015][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.897090][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.904816][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.911908][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.939960][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.947013][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.954645][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.961720][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.969519][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.976559][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.984241][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.991321][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.012248][ T297] veth0_vlan: entered promiscuous mode [ 26.035700][ T297] veth1_macvtap: entered promiscuous mode [ 26.061714][ T294] veth0_vlan: entered promiscuous mode [ 26.071747][ T296] veth0_vlan: entered promiscuous mode [ 26.097765][ T295] veth0_vlan: entered promiscuous mode [ 26.112112][ T296] veth1_macvtap: entered promiscuous mode [ 26.131056][ T294] veth1_macvtap: entered promiscuous mode [ 26.141598][ T297] 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. [ 26.158975][ T295] veth1_macvtap: entered promiscuous mode [ 26.222455][ T316] capability: warning: `syz.3.4' uses deprecated v2 capabilities in a way that may be insecure [ 26.245037][ T321] capability: warning: `syz.1.2' uses 32-bit capabilities (legacy support in use) [ 26.276741][ T323] ================================================================== [ 26.284885][ T323] BUG: KASAN: slab-use-after-free in snapshot_ctr+0x586/0x1350 [ 26.292518][ T323] Read of size 8 at addr ffff888106b01f18 by task syz.0.5/323 [ 26.300027][ T323] [ 26.302402][ T323] CPU: 0 UID: 0 PID: 323 Comm: syz.0.5 Not tainted syzkaller #0 f4dc25654f8255e5780388d900d0b326847aed68 [ 26.302442][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 26.302472][ T323] Call Trace: [ 26.302482][ T323] [ 26.302493][ T323] __dump_stack+0x21/0x30 [ 26.302545][ T323] dump_stack_lvl+0x140/0x1c0 [ 26.302585][ T323] ? __cfi_dump_stack_lvl+0x10/0x10 [ 26.302629][ T323] ? __cfi__printk+0x10/0x10 [ 26.302664][ T323] print_address_description+0x71/0x210 [ 26.302701][ T323] print_report+0x4a/0x70 [ 26.302736][ T323] kasan_report+0x162/0x1a0 [ 26.302773][ T323] ? snapshot_ctr+0x586/0x1350 [ 26.302801][ T323] ? snapshot_ctr+0x586/0x1350 [ 26.302827][ T323] __asan_report_load8_noabort+0x18/0x20 [ 26.302858][ T323] snapshot_ctr+0x586/0x1350 [ 26.302883][ T323] ? dm_split_args+0xa1/0x740 [ 26.302907][ T323] ? __cfi_snapshot_ctr+0x10/0x10 [ 26.302934][ T323] ? dm_split_args+0x5d0/0x740 [ 26.302958][ T323] dm_table_add_target+0x59f/0xcb0 [ 26.302983][ T323] table_load+0x2eb/0x7d0 [ 26.303015][ T323] ? __check_object_size+0x99/0x870 [ 26.303049][ T323] ? __cfi_table_load+0x10/0x10 [ 26.303101][ T323] ? __kasan_check_write+0x18/0x20 [ 26.303134][ T323] ? __cfi_table_load+0x10/0x10 [ 26.303168][ T323] dm_ctl_ioctl+0x8f3/0xde0 [ 26.303212][ T323] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 26.303258][ T323] ? __fget_files+0x2bc/0x330 [ 26.303286][ T323] ? bpf_lsm_file_ioctl+0xd/0x20 [ 26.303314][ T323] ? security_file_ioctl+0x3e/0x110 [ 26.303350][ T323] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 26.303384][ T323] __se_sys_ioctl+0x123/0x1b0 [ 26.303412][ T323] __x64_sys_ioctl+0x7f/0xa0 [ 26.303438][ T323] x64_sys_call+0x1878/0x2ee0 [ 26.303468][ T323] do_syscall_64+0x57/0xf0 [ 26.303495][ T323] ? clear_bhb_loop+0x50/0xa0 [ 26.303531][ T323] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.303565][ T323] RIP: 0033:0x7ff0c379f559 [ 26.303611][ T323] 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 [ 26.303638][ T323] RSP: 002b:00007ff0c46da028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 26.303677][ T323] RAX: ffffffffffffffda RBX: 00007ff0c3a25fa0 RCX: 00007ff0c379f559 [ 26.303700][ T323] RDX: 0000200000000140 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 26.303720][ T323] RBP: 00007ff0c3836b20 R08: 0000000000000000 R09: 0000000000000000 [ 26.303739][ T323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 26.303756][ T323] R13: 00007ff0c3a26038 R14: 00007ff0c3a25fa0 R15: 00007fffb796ac18 [ 26.303782][ T323] [ 26.303793][ T323] [ 26.564946][ T323] Allocated by task 323: [ 26.569217][ T323] kasan_save_track+0x3e/0x80 [ 26.573969][ T323] kasan_save_alloc_info+0x3a/0x50 [ 26.579142][ T323] __kasan_kmalloc+0x96/0xb0 [ 26.584141][ T323] __kmalloc_cache_node_noprof+0x225/0x430 [ 26.590018][ T323] dm_get_table_device+0x1e3/0x6c0 [ 26.595172][ T323] dm_get_device+0x32b/0x7f0 [ 26.599845][ T323] snapshot_ctr+0x292/0x1350 [ 26.604490][ T323] dm_table_add_target+0x59f/0xcb0 [ 26.609662][ T323] table_load+0x2eb/0x7d0 [ 26.614057][ T323] dm_ctl_ioctl+0x8f3/0xde0 [ 26.618625][ T323] __se_sys_ioctl+0x123/0x1b0 [ 26.623346][ T323] __x64_sys_ioctl+0x7f/0xa0 [ 26.627973][ T323] x64_sys_call+0x1878/0x2ee0 [ 26.632693][ T323] do_syscall_64+0x57/0xf0 [ 26.637162][ T323] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.643119][ T323] [ 26.645467][ T323] Freed by task 323: [ 26.649389][ T323] kasan_save_track+0x3e/0x80 [ 26.654137][ T323] kasan_save_free_info+0x44/0x50 [ 26.659206][ T323] __kasan_slab_free+0x5f/0x80 [ 26.664022][ T323] kfree+0x158/0x440 [ 26.667969][ T323] dm_put_table_device+0x298/0x2e0 [ 26.673129][ T323] dm_get_device+0x571/0x7f0 [ 26.677756][ T323] snapshot_ctr+0x435/0x1350 [ 26.682384][ T323] dm_table_add_target+0x59f/0xcb0 [ 26.687543][ T323] table_load+0x2eb/0x7d0 [ 26.691941][ T323] dm_ctl_ioctl+0x8f3/0xde0 [ 26.696493][ T323] __se_sys_ioctl+0x123/0x1b0 [ 26.701215][ T323] __x64_sys_ioctl+0x7f/0xa0 [ 26.705843][ T323] x64_sys_call+0x1878/0x2ee0 [ 26.710587][ T323] do_syscall_64+0x57/0xf0 [ 26.715051][ T323] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.720992][ T323] [ 26.723366][ T323] The buggy address belongs to the object at ffff888106b01f00 [ 26.723366][ T323] which belongs to the cache kmalloc-96 of size 96 [ 26.737311][ T323] The buggy address is located 24 bytes inside of [ 26.737311][ T323] freed 96-byte region [ffff888106b01f00, ffff888106b01f60) [ 26.750969][ T323] [ 26.753299][ T323] The buggy address belongs to the physical page: [ 26.759724][ T323] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106b01 [ 26.768595][ T323] flags: 0x4000000000000000(zone=1) [ 26.773830][ T323] page_type: f5(slab) [ 26.777837][ T323] raw: 4000000000000000 ffff888100041280 ffffea00041dcbc0 dead000000000004 [ 26.786489][ T323] raw: 0000000000000000 0000000080200020 00000001f5000000 0000000000000000 [ 26.795076][ T323] page dumped because: kasan: bad access detected [ 26.801501][ T323] page_owner tracks the page as allocated [ 26.807230][ T323] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 4494668359, free_ts 0 [ 26.824788][ T323] post_alloc_hook+0x37d/0x3b0 [ 26.829577][ T323] prep_new_page+0x2d/0x180 [ 26.834133][ T323] get_page_from_freelist+0x4aea/0x4ba0 [ 26.839699][ T323] __alloc_pages_noprof+0x35a/0x7e0 [ 26.844920][ T323] alloc_slab_page+0x6b/0x1e0 [ 26.849633][ T323] allocate_slab+0x69/0x430 [ 26.854175][ T323] ___slab_alloc+0x591/0x8c0 [ 26.858794][ T323] __kmalloc_cache_noprof+0x2cd/0x470 [ 26.864193][ T323] call_usermodehelper_setup+0x97/0x300 [ 26.869748][ T323] kobject_uevent_env+0x65f/0x7e0 [ 26.874781][ T323] kobject_uevent+0x21/0x40 [ 26.879289][ T323] device_add+0x599/0xbf0 [ 26.883629][ T323] nvmem_register+0xecf/0x1450 [ 26.888411][ T323] devm_nvmem_register+0x1e/0x80 [ 26.893376][ T323] devm_rtc_nvmem_register+0xc1/0x120 [ 26.898757][ T323] cmos_do_probe+0xcaf/0x10e0 [ 26.903445][ T323] page_owner free stack trace missing [ 26.908823][ T323] [ 26.911164][ T323] Memory state around the buggy address: [ 26.916797][ T323] ffff888106b01e00: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.924951][ T323] ffff888106b01e80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [ 26.933019][ T323] >ffff888106b01f00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 26.941083][ T323] ^ [ 26.945936][ T323] ffff888106b01f80: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc [ 26.954017][ T323] ffff888106b02000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.962096][ T323] ================================================================== [ 26.984016][ T323] Disabling lock debugging due to kernel taint [ 26.990710][ T323] device-mapper: table: 252:0: device 1:1 not in table devices list [ 26.998899][ T323] device-mapper: table: 252:0: snapshot: COW device cannot be the same as origin device (-EINVAL) [ 27.013542][ T323] device-mapper: ioctl: error adding target to table [ 27.020437][ T323] device-mapper: table: 252:0: dm_table_destroy: dm_put_device call missing for 1:1